Waterways Ireland advises all masters and users of the Erne System that the channel east of Castle Island, Enniskillen will be closed from Monday 4 July to the end of September to create a water activity area.

The designated area will be clearly marked by floating buoys. Access to Castle Museum Jetty will be maintained when approaching from the north of Castle Island.

Mariners should use the navigation channel to the west of Castle Island and proceed at slow speed and with minimum wash adhering to any instructions or displayed signage. Mariners should be aware of small non-motorised craft also operating in the navigation.

Elsewhere in Northern Ireland, masters and users of the Lower Bann are advised that Carnroe Lock remains closed due to ongoing essential repair works.

“As we move towards completion of the remedial works, Waterways Ireland will further advise by means of a Marine Notice on a reopening date,” the cross-border body for Ireland’s inland waterways said.

Updated Monday 4 July: A previous version of this article contained an incorrect link.

#InlandWaterways - Waterways Ireland has advised all masters and users of the Erne system that the channel east of Castle Island near Enniskillen will be closed till Tuesday 11 June to facilitate a number of events on the water.

Mariners are directed to follow the marked navigation channel and signs to the west of Castle Island and proceed at a slow speed and with minimum wash. They should note any advise or instructions given by event organisers when in this section of the navigation.

Public jetties in the vicinity will remain accessible throughout, though some minor restrictions may be in place as and when required. Further information is available from the Lough Erne warden at 028 6632 3004.

Elsewhere, there will also be restricted mooring for masters and owners on the River Shannon at Carrick-on-Shannon to facilitate spectator viewing of the Carrick 400 event.

On Sunday 2 June the quay wall from the downstream face of the town bridge to the floating moorings will be out of bounds for mooring from 7pm till midnight.

In other waterways news, recent water quality testing has shown the harbour at Kilcock on the Royal Canal to now be within normal bathing water standards.