A northeasterly, strong and very variable flow prevails over the whole area.
For Lostmarc"h :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, very cloudy skies clearing completely.
Possibility of showers NE wind force 4. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility.