High 1019 hPa centered on Northern Ireland moving at 42 knots to the East-South-East to be centered on the North of France.
For Diélette - Tréauville : No gale warning.
We are 80% 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, relatively cloudless skies clearing. ENE wind force 2 continuing all day. Gusts reaching 10 knots in the middle of the day. Smooth sea. Low, short swell from WNW. Excellent visibility.
semaphore stations
Station Barneville Cart located 20 km from Diélette - Tréauville