A northerly, moderate and mostly variable flow prevails over the North and the East of the basin. Over the South-West, it is easterly, moderate and mostly variable.
For Heist :
No gale warning.
The reliability of the situation is assessed at 95%.
Bright spells increasing during the morning, predominantly sunny in the afternoon. No precipitation. In the evening, skies with few clouds covering over progressively.
No precipitation. NNE force 4 in the morning turning NNW in the evening. Gusts reaching 21 knots in the middle of the day. Slight sea. Low, short swell from NNW. Excellent visibility.