For Sunker Rock :
No gale warning.
The reliability of the situation is very good.
Cloudy spells, sometimes dense. Possibility of showers In the evening, very cloudy skies becoming totally overcast.
Chance of light rain. SW wind force 4 from the middle of the day. Gusts reaching 23 knots in the middle of the day. Smooth to slight sea. Low, short swell from SSE. Excellent visibility becoming good in the evening.