High 1024 hPa centered off Breton Cape moving at 15 knots to the East-North-East to be centered on Normandy.
Für Port-Blanc : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon.No precipitation.In the evening, clear periods developing. No precipitation. SW force 2 turning NW force 3 in the middle of the day then becoming force 2. Gusts reaching 14 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from NW. Poor visibility becoming excellent in the middle of the day then good.
Semaphoren
Station Ploumanac'H liegt 12 km von Port-Blanc entfernt