A westerly, strong and very variable flow prevails over the whole area.
For Porsay :
Warning moderate gale offshore.
The reliability of the situation is good.
Very cloudy. But clear spells will become more and more widespread. Some light showers in the morning, no precipitation in the afternoon. In the evening, clear skies.
W force 4 becoming force 5 in the middle of the day then SW force 4. Gusts reaching 33 knots in the morning. Rough to very rough sea becoming rough in the middle of the day then moderate. Moderate, fairly long swell from NNW then low in the middle of the day then, short swell from NW. Excellent visibility.