For Shag Rock :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies with short clear spells. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, very cloudy.
No precipitation. SW force 5 in the morning turning W force 4 in the evening. Gusts reaching 32 knots in the middle of the day. Moderate sea. Low, short swell from S. Good visibility becoming good in the middle of the day then excellent.