A northeasterly and very variable flow prevails over the whole area.
For Heist : No gale warning.
The reliability of the situation is assessed at 90%.
Clouds dispersing during the morning, sunny in the afternoon.No precipitation.In the evening, clear skies. NNE force 3 in the morning freshening force 5 in the middle of the day. Gusts reaching 28 knots in the evening. Slight sea. Low, short swell from NNW. Poor visibility becoming excellent in the middle of the day.