A southwesterly, very strong and variable flow prevails over the whole area.
For Grève de Traou Treiz :
Warning fresh gale offshore.
We are 90% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Very cloudy skies to overcast. Showers all day. In the evening, very cloudy skies to overcast.
No precipitation. SSW force 3 becoming force 4 in the middle of the day then S force 5. Gusts reaching 30 knots in the evening. Slight sea becoming moderate in the middle of the day. Low, fairly long swell from WNW then moderate, long swell in the middle of the day then from WNW. Excellent visibility.