For Shag Rock :
No gale warning.
The reliability of the situation is very good.
Fog giving way to sun in early morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
NW force 3 in the morning turning S force 2 in the evening. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, short swell from SW. Visibility reduced by mist becoming excellent in the middle of the day then good.