High 1024 hPa centered on Switzerland remaining almost stationary.
For Plage d"Ambleteuse : No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny despite some cloud arriving in late morning.In the evening, skies with few clouds. SSW wind force 4 continuing all day. Gusts reaching 22 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from NW. Excellent visibility.
semaphore stations
Station Boulogne-Sem located 9 km from Plage d'Ambleteuse