A northeasterly, very strong and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, very strong and mostly variable.
For Niendorf :
Warning fresh gale offshore.
The reliability of the situation is good.
Very cloudy skies with short clear spells. Risk of black ice in the morning, possibility of a few spots in the afternoon. In the evening, relatively cloudless skies clearing.
E force 4 turning NE force 5 in the middle of the day then N force 3. Gusts reaching 28 knots in the middle of the day. Slight sea. Low, short swell from ENE. Excellent visibility.