Low 1008 hPa centered at 130 nautical miles in the South-West of Fastnet Rock (South-West Ireland) moving at 10 knots to the North-North-West and dropping to 1005 hPa to be centered at 100 nautical miles in the West-South-West of Belmullet (North-West Ireland).
For Plage de Port Biren :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Increasing clear spells. Skies becoming less cloudy in the afternoon. Some light showers in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
SE force 2 turning WSW force 3 in the middle of the day then W force 4. Gusts reaching 19 knots in the evening. Smooth sea. Low, short swell from WSW. Excellent visibility.