A northerly, strong and very variable flow prevails over the South-West of the basin. Over the North-East, it is southeasterly, strong and very variable. Over the North-West and the South-East, it is westerly, very strong and very variable.
For Grève des Fosses :
Warning strong breeze offshore.
We are 90% 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, cloudy spells, sometimes dense.
No precipitation. WNW force 3 becoming NW force 4 in the middle of the day then force 5. Gusts reaching 29 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from NW. Visibility reduced by mist becoming good in the middle of the day then excellent.