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Displaying items by tag: tides

Experts have been puzzled by reports of strange tidal activity on the South Coast at the weekend, as TheJournal.ie reports.

On Saturday afternoon (18 June), Union Hall in West Cork saw levels in its harbours drop by as much as 70cm in a mere five minutes, before the waters flooded back — and similar incidents were reported in Wexford and across the Irish Sea in Pembrokeshire.

The bizarre situation has baffled experts, with some suggesting it could be linked to earthquakes off the Azores.

But one oceanographer believes it could be the result of an extremely rare conflation of separate atmospheric events.

Gerard McCarthy told CorkBeo that the surprise tidal moves may be the effect of a meteotsunami — a large wave caused by stormy conditions at sea — combined with the natural sloshing action, or seiching, of the waters at Union Hall.

CorkBeo has more on the story HERE.

Published in Weather
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Calls have been made for greater public awareness over the risks of incoming tides after three people were rescued off Sandymount earlier this week.

A multi-agency response involving Dun Laoghaire RNLI and the Irish Coast Guard’s Dublin-based helicopter Rescue 116 led to the casualties’ successful retrieval after they became stranded on a sandbank on Tuesday (26 April).

Speaking to Independent.ie, a local councillor called for a major advertising campaign to highlight the dangers of tides at Sandymount, which has become notorious for such incidents.

“This happens far too often and the Coast Guard use a huge amount of resources every year to rescue people who find themselves in this situation,” Fine Gael’s Cllr James Geoghegan said. Independent.ie has more on the story HERE.

The news comes in the same week as a joint appeal from the coastguard, RNLI and Water Safety Ireland to take care when on or near the water this May Bank Holiday weekend, as reported earlier on Afloat.ie.

Published in Water Safety

A dog and his walker were rescued after they got cut off by the tide at Sandymount this afternoon (Thursday 4 February).

Dun Laoghaire RNLI’s inshore lifeboat assisted with recovering the duo from the water and bringing them to safety at Poolbeg beach.

National Ambulance Service paramedics arrived to give the owner a medical check-up.

At the same time, an Irish Coast Guard member and a paramedic gave Hugo the dog some TLC after his dramatic experience, as Hugo can’t swim.

Dun Laoghaire’s coastguard unit reminds the public if you see anyone in difficulty in or near the water, dial 112/999 immediately and ask for the coastguard.

Published in Rescue

The “power and mystery” of the Earth’s tides is the theme of a new three-part television series involving TG4 and several broadcasters, with Chinese backing writes Lorna Siggins.

Marine Institute scientist MacDara Ó Cuaig is presenting the Irish language version of the series, entitled Taoide, which was filmed across four continents.

The project, involving Chinese production company LIC, was funded by broadcasters TG4, BBC ALBA, BBC Northern Ireland and S4C, and the distribution company Sky Vision.

The consortium describes the three-part series as a “visually stunning exploration” of one of the globe’s most powerful natural forces.

To mark the fact that this year is the International Year of Indigenous Languages, each participating country in the co-production has received its own “bespoke” edit of the documentaries in its own indigenous language.

Television producer/director Donncha Mac Con Iomaire teamed up with Welsh company Cwmni Da to produce the Irish language version for TG4, which Mr Ó Cuaig is presenting.

TG4 says that the collaboration has already inspired the setting up of a new “Celtic Development Fund” to develop similar co-productions.

This series is being distributed in Greater China, Hong Kong, Macau and Taiwan by LIC.

Sky Vision is currently negotiating its sale to other broadcasters worldwide.

Each partner put in around £100,000, according to Cwmni Da managing director Dylan Huws in Wales.

“This means they’re getting a high-end documentary series which has been filmed all over the world,” he said.

“TG4 is delighted to join forces with our broadcasting partners in the other Celtic nations to commission an Irish language version of this ambitious series,” TG4 commissioning editor Proinsias Ní Ghráinne said, adding that the theme has a “particular resonance” for this island.

The first episode of Taoide will be broadcast on TG4 on Wednesday, May 1st, at 9.30pm, with two further episodes on May 8th and 15th.

Published in Maritime TV
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#Coastguard - Dun Laoghaire Coast Guard was alerted at 10am yesterday morning (Wednesday 16 May) to respond to a woman and her dog who were cut off by the tide on Merrion Strand, near the seaward side of the Dublin incinerator area.

Dublin Coast Guard’s Marine Rescue Coordination Centre (MRCC) activated a procedure with consent to ping the location of the casualty’s phone to give co-ordinates to the responding emergency services.

Dun Laoghaire RNLI and the Dublin-based Irish Coast Guard helicopter Rescue 116 responded to the area and were directed in by the Dun Laoghaire coastguard team.

Rescue 116 proceeded to land on the sand bank while Dun Laoghaire RNLI’s inshore lifeboat stood by to assist. A Dublin Fire Brigade RIB from Dublin Port also responded.

The casualty and her dog were airlifted from the sand bank to awaiting coastguard personal on the beach. After checks by Dublin Fire Brigade paramedics, they were taken back from the beach to land.

Dun Laoghaire Coast Guard noted yesterday’s “very fast” spring tide which caught this dog walker unawares. Tide times for Dublin can be found online HERE.

#Tides - Irish Sailing has published the latest tide times for 2018 and 2019 for mariners in Dublin Bay (North Wall), Galway, Belfast and Cork Harbour (Cobh).

All times and related tidal variations (adjusted for Irish Summer Time) are estimates and none are verified by any national hydrographic office, so are to be referred to as a guideline only.

Published in ISA
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#Kinsale - Harbour users in Kinsale can now check tide times online thanks to a new Twitter account.

Kindle Tides (@KinsaleTides) does exactly what the name suggests, tweeting daily with the latest tide information for the Co Cork harbour in an easy-to-use format.

Published in Kinsale
Tagged under

As the UK Bank holiday approaches the UK coastguard has issed a warning to check tides and stay safe. With the school holidays well underway and the busy bank holiday weekend around the corner, coastguards and the Shipping Minister are coming together to remind families, children and visitors of the importance of checking weather and tide times to stay safe whilst at the beach and along the coast.

Already this summer coastguards have dealt with many beach-related incidents, with a particularly high number of people being caught out by the tide and needing to be rescued after becoming stranded.  Since 1st July, almost 150 such rescues have been carried out around the UK coast, with around 80% involving children.

This latest advice is part of an ongoing programme by the Maritime and Coastguard Agency to remind those who visit our coast to have a great time and remain safe. So before you go check out the weather, sea conditions and the tide times (you can find this information on the web or many beaches display it at their entrance).  That way you can enjoy the sea safely.

In addition to checking the tide times, remember that inflatable boats and toys can be great fun, but they are more suitable for use in swimming pools than at the beach.  If you do use one at the beach, make sure that it is tethered to an adult who is in the sea with you and never use it if there is an offshore wind.  Inflatable boats and toys can easily be blown off shore, then overturn. If you are blown out to sea on an inflatable boat or toy wave your arms in the air and shout for help. If you are out of your depth, don't attempt to swim back to shore.

Be careful around cliffs and rocks – they can be slippery and crumbly. Don't climb them unless you are properly kitted out. And don't attempt to rescue people or dogs from cliffs – call 999 and ask for the coastguard.

Coastguards are also encouraging parents, grandparents and other adults to ensure that children are properly supervised on the coast. We deal with numerous cases of lost children every year and it can be very distressing for children and adults alike. Some beaches provide beach band schemes which help to re-unite children with their families if they become separated, so take advantage of these schemes if appropriate.

Try to go to a lifeguarded beach if you can and stay within the flagged area.

If you notice that someone is in difficulty, either alert the lifeguard if one is available or call the Coastguard on 999.

Shipping Minister Mike Penning said:

"As an island nation, enjoying a seaside holiday is a great British tradition.  The UK has some of the finest coastline in the world, and I want everyone to be able to enjoy it safely.  Already this year we have seen how something as simple as familiarising yourself with the tide times before you set out can make all the difference.  That is why I am encouraging anyone thinking of heading for the coast to take a few sensible precautions so they return home safely and with fond memories of a great day out.    I would also like to pay tribute to our coastguard staff and volunteers who do such a great job to keep those who use our coastline as safe as possible."

Published in Marine Warning
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Irish Water Safety is today warning the public of the increased risk to people becoming stranded whilst walking or picking shellfish on our beaches over the weekend.

The moon will be at its closest to earth since 1993 on Saturday March 19th.
This "Lunar Perigee", or 'Super Moon' as some astrologers refer to it as, is the opposite of the "Lunar Apogee", when the Moon is furthest from Earth. Generally, the Moon looks about 12-14% larger at its perigee compared to its apogee.

This has the effect of causing very high and low tides, or increasing the range of the tide. This will expose large areas of beach and rocks which we normally don't see. Many people enjoy walking on our beaches and exploring these new areas of beach and in particular people enjoy picking shellfish to eat which become exposed during these very low tides.

The risk to the public will be of becoming stranded as the tide advances back in which can leave people in a position where they are cut off from the shore. Members of the public are cautioned to be aware of this risk and carry your mobile phone. Should you get in to trouble then call 112 or 999 and ask for Marine Rescue, giving your exact location and in particular if you are near to any conspicuous landmarks nearby to assist the Rescue Services in locating your whereabouts.

All seafarers, surfers, swimmers and divers should be aware of the increased tidal streams that will be running around our coast over the weekend; people could find themselves in peril as a result of these strong and fast tidal conditions which have not been experienced for some time now.

Published in Marine Warning

At 5.30 pm last night Liverpool Coastguard were alerted to a local 15 year old girl in difficulty by the Leasowe Lighthouse on Moreton Common, Wirral, on Merseyside on the far side of the Irish Sea . She was completely cut off by the tide about 100 metres out on the nearby sandbank.

The Hoylake Coastguard Rescue Team were alerted as was the RNLI New Brighton hovercraft and West Kirby inshore lifeboat.

In the meantime the local Coastguard Sector Manager Steve Travis along with his team deployed their mud sled and recovered the girl to dry land.

By 6.30 pm this evening the girl was safely back at home with her mum.

Paul Kirby, Duty Watch Manager at Liverpool Coastguard said

"Our thanks are due to Steve and his team and the RNLI crews from Hoylake and West Kirby for responding so promptly to our call.

As the evenings are now darker after the clocks went back, swift tides and sandbanks can present a major problem for the unwary in the darkness. Please take care when going anywhere near tidal waters and make sure you know the times of the tides."

Published in Coastguard

General Information on using Waterways Ireland inland navigations

Safety on the Water

All users of the navigations are strongly recommended to make themselves aware of safety on the water for whatever activity they are involved in and to read the advice offered by the various governing bodies and by:

The Dept. of Transport, Ireland: www.gov.ie/transport and The Maritime and Coastguard Agency, UK, The RNLI – Water Safety Ireland for information in terms of drowning prevention and water safety.

Registration of Vessels

All vessels using the Shannon Navigation, which includes the Shannon-Erne Waterways and the Erne System must be registered with Waterways Ireland. Only open undecked boats with an engine of 15 horsepower or less on the Shannon Navigation, and vessels of 10 horsepower or less on the Erne System, are exempt. Registration is free of charge.

Craft registration should be completed online at: https://www.waterwaysireland.org/online-services/craft-registration

Permits for use of the Grand and Royal Canals and the Barrow Navigation

All vessels using the Grand and Royal Canals and the Barrow Navigation must display appropriate valid Permit(s) i.e A Combined Mooring and Passage Permit (€126) and if not intending to move every five days, an Extended Mooring Permit (€152).

Permit applications should be completed online at: https://www.waterwaysireland.org/online-services/canal-permits

Passage on the Royal and Grand Canals – Dublin Area

For boat passage through the locks east of Lock 12 into / out of Dublin on either the Royal or Grand Canals, Masters are requested to contact the Waterways Ireland Eastern Regional Office (M-F 9.30am-4.30pm) on tel: +353(0)1 868 0148 or email [email protected] prior to making passage in order to plan the necessary lock-keeping assistance arrangements.

On the Grand Canal a minimum of two days notice prior to the planned passage should be given, masters should note that with the exception of pre-arranged events, a maximum of 2 boats per day will be taken through the locks, travelling either east or west.

Movements in or out of the city will be organised by prior arrangement to take place as a single movement in one day. Boaters will be facilitated to travel the system if their passage is considered to be safe by Waterways Ireland and they have the valid permit(s) for mooring and passage.

Newcomen Lifting Bridge

On the Royal Canal two weeks’ notice of bridge passage (Newcomen Lifting Bridge) is required for the pre-set lift date, and lock assistance will then also be arranged. A minimum of 2 boats is required for a bridge lift to go ahead.

Waterways Ireland Eastern Regional Office (Tel: +353(0)1 868 0148 or [email protected] ) is the point of contact for the bridge lift.

A maximum number of boats passing will be implemented to keep to the times given above for the planned lifts (16 for the Sat / Sun lifts & 8 for the weekday lifts). Priority will be given on a first come first served basis.

On day of lift, boaters and passengers must follow guidance from Waterways Ireland staff about sequence of passage under bridge & through Lock 1, and must remain within signed and designated areas.

Events Held on the Waterways

All organised events taking place on the waterways must have the prior approval of Waterways Ireland. This is a twelve week process and application forms must be accompanied with the appropriate insurance, signed indemnity and risk assessment. The application should be completed on the Waterways Ireland events page at :

https://www.waterwaysireland.org/online-services/event-approval

Time Limits on Mooring in Public Harbours

On the Shannon Navigation and the Shannon-Erne Waterway craft may berth in public harbours for five consecutive days or a total of seven days in any one month.

On the Erne System, revised Bye Laws state that: No master or owner shall permit a vessel, boat or any floating or sunken object to remain moored at or in the vicinity of any public mooring, including mooring at any other public mooring within 3 kilometres of that location, for more than 3 consecutive days and shall not moor at that same mooring or any other public mooring within 3 kilometres of that location within the following 3 consecutive days without prior permission by an authorised official.

Winter Mooring on the Shannon Navigation and Shannon Erne Waterway

Winter mooring may be availed of by owners during the period 1 Nov to 31 Mar by prior arrangement and payment of a charge of €63.50 per craft. Craft not availing of Winter Mooring must continue to comply with the “5 Day Rule”. Winter Mooring applications should be completed online at : https://www.waterwaysireland.org/online-services/winter-moorings-booking

Owners should be aware that electricity supply and water supply to public moorings is disconnected for the winter months. This is to protect against frost damage, to reduce running costs and to minimise maintenance requirements during the winter months.

Vessel owners are advised that advance purchasing of electricity on the power bollards leading up to the disconnection date should be minimal. Electricity credit existing on the bollards will not be recoverable after the winter decommissioning date. Both services will be reinstated prior to the commencement of the next boating season.

Smart Cards

Waterways Ireland smart cards are used to operate locks on the Shannon Erne Waterway, to access the service blocks, to use the pump-outs along the navigations, to avail of electrical power at Waterways Ireland jetties.

Berthing in Public Harbours

Masters are reminded of the following:

  • Equip their vessel with mooring lines of appropriate length and strength and only secure their craft to mooring bollards and cleats provided for this purpose.
  • Ensure the available berth is suitable to the length of your vessel, do not overhang the mooring especially on finger moorings on floating pontoon moorings.
  • Ensure mooring lines, electric cables and fresh water hoses do not create a trip hazard on public jetties for others users.
  • Carry sufficient fenders to prevent damage to your own vessel, other vessels and WI property.
  • Allow sufficient space between your vessel and the vessel ahead /astern (c.1m) for fire safety purposes and /or to recover somebody from the water.
  • Do not berth more than two vessels side by side and ensure there is safe access/egress at all times between vessels and onto the harbour itself.
  • Do not berth in such a way to prevent use of harbour safety ladders, slipways or pump-outs.
  • Do not allow the bow of your vessel to overhang the walkway of a floating mooring thus creating a hazard for others with an overhanging anchor or bow fendering.
  • Animals are not allowed to be loose or stray at any time.
  • Harbour and jetty infrastructure such as railings, power pedestals, fresh water taps, electric light poles, safety bollards, ladders etc are not designed for the purpose of mooring craft , they will not bear the strain of a vessel and will be damaged.
  • At Carrybridge on the Erne System, Masters of vessels are not permitted to use stern on mooring. Masters of vessels must use the mooring fingers for mooring of vessels and for embarkation / disembarkation from vessels.

Passenger Vessel Berths

Masters of vessels should not berth on passenger vessel berths where it is indicated that an arrival is imminent. Passenger vessels plying the navigations generally only occupy the berths to embark and disembark passengers and rarely remain on the berths for extended periods or overnight.

Lock Lead-in Jetties

Lead-in jetties adjacent to the upstream and downstream gates at lock chambers are solely for the purpose of craft waiting to use the lock and should not be used for long term berthing.

Vessel Wake

Vessel wake, that is, the wave generated by the passage of the boat through the water, can sometimes be large, powerful and destructive depending on the hull shape and engine power of the vessel. This wake can be detrimental to other users of the navigation when it strikes their craft or inundates the shoreline or riverbank. Masters are requested to frequently look behind and check the effect of their wake / wash particularly when passing moored vessels, on entering harbours and approaching jetties and to be aware of people pursuing other activities such as fishing on the riverbank.

Speed Restriction

A vessel or boat shall not be navigated on the Shannon Navigation at a speed in excess of 5 kph when within 200 metres of a bridge, quay, jetty or wharf, when in a harbour or canal or when passing within 100 metres of a moored vessel or boat.

Vessels navigating the Shannon-Erne Waterway should observe the general 5 kph speed limit which applies along the waterway. This is necessary in order to prevent damage to the banks caused by excessive wash from vessels.

Vessels navigating the Erne System should observe the statutory 5kt / 6mph / 10kph speed limit areas.

A craft on the Royal and Grand canals shall not be navigated at a speed in excess of 6km per hour.

A craft on the Barrow Navigation shall not be navigated at a speed in excess of 11km per hour except as necessary for safe navigation in conditions of fast flow.

Bank Erosion

Narrow sections of all the navigations are particularly prone to bank erosion due to the large wash generated by some craft. Masters are requested to be vigilant and to slow down to a speed sufficient to maintain steerage when they observe the wash of their craft inundating the river banks.

Unusual Waterborne Activity

Unusual waterborne vessels may be encountered from time to time, such as, hovercraft or amphibious aircraft / seaplanes. Masters of such craft are reminded to apply the normal “Rule of the Road” when they meet conventional craft on the water and to allow extra room to manoeuvre in the interest of safety.

Sailing Activity

Mariners will encounter large numbers of sailing dinghies from late June to August in the vicinity of Lough Derg, Lough Ree and Lower Lough Erne. Sailing courses are marked by yellow buoys to suit weather conditions on the day. Vessels should proceed at slow speed and with due caution and observe the rules of navigation when passing these fleets, as many of the participants are junior sailors under training.

Rowing

Mariners should expect to meet canoes and vessels under oars on any part of the navigations, but more so in the vicinity of Athlone, Carrick-on-Shannon, Coleraine, Enniskillen and Limerick. Masters are reminded to proceed at slow speed and especially to reduce their wash to a minimum when passing these craft as they can be easily upset and swamped due to their very low freeboard and always be prepared to give way in any given traffic situation.

Canoeing

Canoeing is an adventure sport and participants are strongly recommended to seek the advice of the sport’s governing bodies i.e Canoeing Ireland and the Canoe Association of Northern Ireland, before venturing onto the navigations.

Persons in charge of canoes are reminded of the inherent danger to these craft associated with operating close to weirs, sluice gates, locks and other infrastructure particularly when rivers are in flood and large volumes of water are moving through the navigations due to general flood conditions or very heavy localised precipitation e.g. turbulent and broken water, stopper waves. Shooting weirs is prohibited without prior permission of Waterways Ireland.

Canoeists should check with lockkeepers prior entering a lock to ensure passage is done in a safe manner. Portage is required at all unmanned locks.

Canoe Trail Network – "Blueways"

Masters of powered craft are reminded that a canoe trail network is being developed across all navigations and to expect more organised canoeing along these trails necessitating slow speed and minimum wash when encountering canoeists, rowing boats etc

Rockingham and Drummans Island Canals – Lough Key

It is expected that work on Rockingham and Drummans Island Canals on Lough Key will be completed in 2021. Access to these canals will be for non-powered craft only, eg canoes, kayaks, rowing boats.

Fast Powerboats and Personal Watercraft (Jet Skis)

Masters of Fast Powerboats (speed greater than 17kts) and Personal Watercraft (i.e.Jet Skis) are reminded of the inherent dangers associated with high speed on the water and especially in the confines of small bays and narrow sections of the navigations. Keeping a proper look-out, making early alterations to course and /or reducing speed will avoid conflict with slower vessels using the navigation. Personal Watercraft are not permitted to be used on the canals.

Towing Waterskiers, Wakeboarders, Doughnuts etc

Masters of vessels engaged in any of these activities are reminded of the manoeuvring constraints imposed upon their vessel by the tow and of the added responsibilities that they have to the person(s) being towed. These activities should be conducted in areas which are clear of conflicting traffic. It is highly recommended that a person additional to the master be carried to act as a “look-out” to keep the tow under observation at all times.

Prohibition on Swimming

Swimming in the navigable channel, particularly at bridges, is dangerous and is prohibited due to the risk of being run over by a vessel underway in the navigation.

Age Restrictions on operating of powered craft

In the Republic of Ireland, Statutory Instrument 921 of 2005 provides the legal requirements regarding the minimum age for operating of powered craft. The Statutory Instrument contains the following requirements:

- The master or owner of a personal watercraft or a fast power craft shall take all reasonable steps to ensure that a person who has not attained the age of 16 years does not operate or control the craft

- The master or owner of a pleasure craft powered by an engine with a rating of more than 5 horse power or 3.7 kilowatts shall take all reasonable steps to ensure that a person who has not attained the age of 12 years does not operate or control the craft.

Lifejackets and Personal Flotation Devices (PFDs)

Lifejackets and PFD’s are the single most important items of personal protective equipment to be used on a vessel and should be worn especially when the vessel is being manoeuvred such as entering / departing a lock, anchoring, coming alongside or departing a jetty or quayside.

In the Republic of Ireland, Statutory Instrument 921 of 2005 provides the legal requirements regarding the wearing of Personal Flotation Devices. The Statutory Instrument contains the following requirements:

- The master or owner of a pleasure craft (other than a personal watercraft) shall ensure, that there are, at all times on board the craft, sufficient suitable personal flotation devices for each person on board.

- A person on a pleasure craft (other than a personal watercraft) of less than 7 metres length overall shall wear a suitable personal flotation device while on board an open craft or while on the deck of decked craft, other than when the craft is made fast to the shore or at anchor.

- The master or owner of a pleasure craft (other than a personal watercraft) shall take all reasonable steps to ensure that a person who has not attained the age of 16 years complies with paragraph above.

- The master or owner of a pleasure craft (other than a personal watercraft), shall take all reasonable steps to ensure that a person who has not attained the age of 16 years wears a suitable personal flotation device while on board an open craft or while on the deck of a decked craft other than when it is made fast to the shore or at anchor.

- The master or owner of a pleasure craft (other than a personal watercraft) shall take all reasonable steps to ensure that a person wears a suitable personal flotation device, at all times while – (a) being towed by the craft, (b) on board a vessel or object of any kind which is being towed by the craft.

Further information is available at: http://www.irishstatutebook.ie/eli/2005/si/921/made/en/print

Firing Range Danger Area – Lough Ree

The attention of mariners is drawn to the Irish Defence Forces Firing Range situated in the vicinity of buoys No’s 2 and 3, on Lough Ree on the Shannon Navigation. This range is used regularly for live firing exercises, throughout the year, all boats and vessels should stay clear of the area marked with yellow buoys showing a yellow "X" topmark and displaying the word "Danger".

Shannon Navigation, Portumna Swing Bridge Tolls

No attempt should be made by Masters’ of vessels to pay the bridge toll while making way through the bridge opening. Payment will only be taken by the Collector from Masters when they are secured alongside the jetties north and south of the bridge.

Navigating from Killaloe to Limerick on the Shannon Navigation

The navigation from Killaloe to Limerick involves passage through Ardnacrusha locks, the associated headrace and tailrace and the Abbey River into Limerick City. Careful passage planning is required to undertake this voyage. Considerations include: lock passage at Ardnacrusha, water flow in the navigation, airdraft under bridges on Abbey River in Limerick, state of tide in Limerick

Users are advised to contact the ESB Ardnacrusha hydroelectric power station (00353 (0)87 9970131) 48 hours in advance of commencing their journey to book passage through the locks at Ardnacrusha. It is NOT advised to undertake a voyage if more than one turbine is operating (20MW), due to the increased velocity of flow in the navigation channel, which can be dangerous. To ascertain automatically in real time how many turbines are running, users can phone +353 (0)87 6477229.

For safety reasons the ESB has advised that only powered craft with a capacity in excess of 5 knots are allowed to enter Ardnacrusha Headrace and Tailrace Canals.

Passage through Sarsfield Lock should be booked on +353-87-7972998, on the day prior to travel and it should be noted also that transit is not possible two hours either side of low water.

A Hydrographic survey in 2020 of the navigation channel revealed that the approach from Shannon Bridge to Sarsfield Lock and the Dock area has silted up. Masters of vessels and water users are advised to navigate to the Lock from Shannon bridge on a rising tide one or two hours before High Tide.

Lower Bann Navigation

The attention of all users is drawn to the “Users Code for the Lower Bann”, in particular to that section covering “Flow in the River” outlining the dangers for users both on the banks and in the navigation, associated with high flow rates when the river is in spate. Canoeists should consult and carry a copy of the “Lower Bann Canoe Trail” guide issued by the Canoe Association of Northern Ireland. Users should also contact the DfI Rivers Coleraine, who is responsible for regulating the flow rates on the river, for advisory information on the flow rates to be expected on any given day.

DfI Rivers Coleraine. Tel: 0044 28 7034 2357 Email: [email protected]

Lower Bann Navigation – Newferry – No wake zone

A No Wake Zone exists on the Lower Bann Navigation at Newferry. Masters of vessels are requested to proceed at a slow speed and create no wake while passing the jetties and slipways at Newferry.

Overhead Power Lines (OHPL) and Air draft

All Masters must be aware of the dangers associated with overhead power lines, in particular sailing vessels and workboats with cranes or large air drafts. Voyage planning is a necessity in order to identify the location of overhead lines crossing the navigation.

Overhead power line heights on the River Shannon are maintained at 12.6metres (40 feet) from Normal Summer level for that section of navigation, masters of vessels with a large air draft should proceed with caution and make additional allowances when water levels are high.

If a vessel or its equipment comes into contact with an OHPL the operator should NOT attempt to move the vessel or equipment. The conductor may still be alive or re-energise automatically. Maintain a safe distance and prevent third parties from approaching due to risk of arcing. Contact the emergency services for assistance.

Anglers are also reminded that a minimum ground distance of 30 metres should be maintained from overhead power lines when using a rod and line.

Submarine Cables and Pipes

Masters of vessels are reminded not to anchor their vessels in the vicinity of submarine cables or pipes in case they foul their anchor or damage the cables or pipes. Look to the river banks for signage indicating their presence.

Water Levels - Precautions

Low Water Levels:

When water levels fall below normal summer levels masters should be aware of:

Navigation

To reduce the risk of grounding masters should navigate on or near the centreline of the channel, avoid short cutting in dog-legged channels and navigating too close to navigation markers.

Proceeding at a slow speed will also reduce “squat” effect i.e. where the vessel tends to sit lower in the water as a consequence of higher speed.

Slipways

Reduced slipway length available under the water surface and the possibility of launching trailers dropping off the end of the concrete apron.

More slipway surface susceptible to weed growth requiring care while engaged in launching boats, from slipping and sliding on the slope. Note also that launching vehicles may not be able to get sufficient traction on the slipway once the craft is launched to get up the incline.

Bank Erosion

Very dry riverbanks are more susceptible to erosion from vessel wash.

Lock Share

Maximising on the number of vessels in a lock will ensure that the total volume of water moving downstream is decreased. Lock cycles should be used for vessels travelling each way.

High Water Levels:

When water levels rise above normal summer level masters should be aware of:

Navigation

Navigation marks will have reduced height above the water level or may disappear underwater altogether making the navigable channel difficult to discern.

In narrow sections of the navigations water levels will tend to rise more quickly than in main streams and air draft at bridges will likewise be reduced.

There will also be increased flow rates particularly in the vicinity of navigation infrastructure such as bridges, weirs, locks etc where extra care in manoeuvring vessels will be required.

Harbours and Jetties

Due care is required in harbours and at slipways when levels are at or near the same level as the harbour walkways' as the edge will be difficult to discern especially in reduced light conditions. It is advised that Personal Flotation Devices be worn if tending to craft in a harbour in these conditions.

Slipways

Slipways should only be used for the purpose of launching and recovering of water craft or other objects from the water. Before using a slipway it should be examined to ensure that the surface has sufficient traction/grip for the intended purpose such as launching a craft from a trailer using a vehicle, that there is sufficient depth of water on the slipway to float the craft off the trailer before the concrete apron ends and that the wheels of the trailer do not drop off the edge of the slipway. That life-saving appliances are available in the vicinity, that the vehicle is roadworthy and capable of coping with the weight of the trailer and boat on the incline. It is recommended that slipway operations are conducted by two persons.

Caution to be Used in Reliance upon Aids to Navigation

The aids to navigation depicted on the navigation guides comprise a system of fixed and floating aids to navigation. Prudent mariners will not rely solely on any single aid to navigation, particularly a floating aid to navigation. With respect to buoys, the buoy symbol is used to indicate the approximate position of the buoy body and the ground tackle which secures it to the lake or river bed. The approximate position is used because of the practical limitations in positioning and maintaining buoys in precise geographical locations. These limitations include, but are not limited to, prevailing atmospheric and lake/river conditions, the slope of and the material making up the lake/river bed, the fact that the buoys are moored to varying lengths of chain, and the fact that the buoy body and/or ground tackle positions are not under continuous surveillance. Due to the forces of nature, the position of the buoy body can be expected to shift inside and outside the charted symbol.

Buoys and perches are also moved out of position or pulled over by those mariners who use them to moor up to instead of anchoring. To this end, mariners should always monitor their passage by relating buoy/perch positions with the published navigation guide. Furthermore, a vessel attempting to pass close by always risks collision with a yawing buoy or with the obstruction that the buoy or beacon/perch marks.

Masters of Vessels are requested to use the most up to date Navigation guides when navigating on the Inland Waterways.

Information taken from Special Marine Notice No 1 of 2023