The race is the deciding race in the Viking Marine Coastal Series and the Royal Alfred Coastal Series.
ISORA chiefs are preparing for the possibility of fickle winds under Bray Head by posting a revision to sailing instructions (downloadable below). The final course to be sailed will not be selected until later this afternoon.
The warning signal for the burgeoning offshore fleet will sound off Dun Laoghaire Harbour tomorrow at 0955 for the 12–mile coastal race.
Organisers are emphasising that the finish line will not be the Gresystones yellow buoy but a co–ordinate immediately south of the stated position of that buoy.
It is anticipated onboard trackers on each of the competing boats will record the finish time.