A southeasterly, very strong and mostly variable flow prevails over the North of the basin. Over the South, a westerly and strong gale is raging at sea.
For Tregastel :
Warning strong breeze offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies completely clouding over during the morning, very cloudy skies becoming totally covered in the afternoon. A little intermittent drizzle in the morning, light rain in late afternoon. In the evening, very cloudy.
Light showers progressively becoming less frequent. SSE force 3 becoming force 4 in the middle of the day then SSW. Gusts reaching 25 knots in the evening. Moderate sea. Moderate, long swell from WNW. Excellent visibility.