High 1031 hPa centered at 90 nautical miles in the West-South-West of Fastnet Rock (South-West Ireland) moving at 7 knots to the East to be centered on the Celtic Sea.
For Crique du Grand Mathieu : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Warm sun all day.In the evening, clear skies. ENE force 2 turning W force 3 in the middle of the day then NW. Gusts reaching 12 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility.
semaphore stations
Station Pte De Chemoulin located 14 km from Crique du Grand Mathieu