For Thumb Rock :
Warning strong breeze.
The reliability of the situation is very good.
Good clear periods but lots of cloud, too. Light showers. In the evening, very cloudy.
Drizzle in the early hours. WSW force 6 in the middle of the day turning SSW force 5 in the evening. Gusts reaching 39 knots in the middle of the day. Rough to very rough sea becoming rough in the evening. Moderate, fairly long swell from WNW. Excellent visibility.