A northerly, weak and very variable flow prevails over the South-West of the basin. Over the South-East, it is easterly, weak and variable. Over the North, it is southerly, moderate and very variable.
For Heist :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies. In the evening, clear skies.
ENE force 2 in the middle of the day turning ESE in the evening. Gusts reaching 12 knots in the evening. Smooth sea. Low, short swell from N. Excellent visibility.