A northeasterly, strong and very variable flow prevails over the South of the basin. Over the North, it is westerly, moderate and variable.
For Heist :
Warning strong breeze offshore.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Hazy skies. No precipitation. In the evening, very cloudy skies becoming totally overcast.
Chance of light rain. NNE force 5 in the middle of the day becoming force 6 in the evening. Gusts reaching 37 knots in the evening. Slight sea becoming moderate in the evening. Low, short swell from NE. Excellent visibility.