For Shag Rock :
No gale warning.
The reliability of the situation is very good.
Very cloudy. Possibility of showers In the evening, cloudy spells, sometimes dense.
No precipitation. W force 4 in the middle of the day becoming WNW force 3 in the evening. Gusts reaching 19 knots in the middle of the day. Slight sea. Low, short swell from SW. Excellent visibility becoming good in the evening.