High 1028 hPa centered on the North of the Bay of Biscay moving at 31 knots to the East-North-East to be centered on the West of Belgium.
Für Saint Sampson Harbour : No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies becoming less cloudy.Possibility of showersIn the evening, light cloudy spells. WSW force 4 in the middle of the day becoming force 3 in the evening. Gusts reaching 17 knots in the middle of the day. Slight sea. Low, fairly long swell from SW. Excellent visibility.
Semaphoren
Station Guernsey AP liegt 9 km von Saint Sampson Harbour entfernt