Low 999 hPa centered on the center of the North Sea moving at 12 knots to the West to be centered on the North of the Irish Sea.
For Saint-Idesbald : Warning strong breeze offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, skies progressively clouding over with storms forming. Light showers. SSW wind force 3. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, short swell from WNW. Excellent visibility.
semaphore stations
Station Dunkerque located 20 km from Saint-Idesbald