A northeasterly, weak and mostly variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, weak and particularly variable.
For Le Tréport :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday E force 3 turning SE force 2 in the middle of the night then SSE. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea. Low, short swell from NNE then from NW at the end of the night. Excellent visibility. Daytime of Thursday 13 august : The weather will be good.
Sunny despite some cloudy spells but no rain. In the evening, skies with few clouds.
S force 2 in the morning turning WNW force 3 in the middle of the day. Gusts reaching 15 knots from the middle of the day. Smooth to slight sea. Low, short swell from NW. Excellent visibility.