High 1021 hPa centered on Normandy moving at 10 knots to the West-South-West to be centered on Brittany.
For Le Tréport :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sun in the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. SSW force 3 in the morning turning WSW in the middle of the day. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day.