A southeasterly and variable flow prevails over the whole area.
For Saint-Idesbald : No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy.No precipitation.In the evening, lots of good clear periods. No precipitation. SE force 2 turning E in the middle of the day then becoming force 3. Gusts reaching 11 knots in the evening. Smooth sea temporarily rippled in the middle of the day. Low, short swell from SW. Visibility reduced by mist becoming poor in the middle of the day then poor.
semaphore stations
Station Dunkerque located 20 km from Saint-Idesbald