High 1030 hPa centered off Breton Cape moving at 26 knots to the North-East to be centered on the North of England.
For Boulogne-sur-Mer : No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon.No precipitation.In the evening, clear skies. SE force 1 turning WNW force 2 in the middle of the day then NE. Gusts reaching 9 knots in the middle of the day. Smooth sea. Low, short swell from SW. Excellent visibility.
semaphore stations
Station Boulogne-Sem located 2 km from Boulogne-sur-Mer