For Unidentified Steam Shipwreck :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies with few clouds. In the evening, skies with few clouds.
NNW force 3 in the middle of the day becoming force 4 in the evening. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from NW. Excellent visibility becoming poor in the evening.