We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Warm sun all day.In the evening, clear skies. NNE force 3 turning SW in the middle of the day then NNW. Gusts reaching 17 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from WSW. Excellent visibility.