A northeasterly and variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, strong and very variable.
For Ter Heijde :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy skies. Becoming more changeable for a time in the morning. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. SW force 1 turning W force 2 in the middle of the day then NNE. Gusts reaching 11 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then poor.