For Shag Rock :
No gale warning.
The reliability of the situation is very good.
Good clear periods but lots of cloud, too. Possibility of showers In the evening, low cloud developing into fog.
Chance of light rain. SW force 2 in the middle of the day turning W force 1 in the evening. Gusts reaching 6 knots in the middle of the day. Smooth sea. Low, short swell from SW. Poor visibility becoming reduced by mist in the evening.