A westerly, very strong and mostly variable flow prevails over the whole area.
For Saint-Colomban :
Warning moderate gale offshore.
The reliability of the situation is assessed at 80%.
Very cloudy with risk of thundery outbreaks in the morning, then clear spells developing. Some light showers in the morning, possibility of showers in the afternoon. In the evening, good clear periods but cloud building.
No precipitation. SSW force 6 turning WSW in the middle of the day then becoming force 5. Gusts reaching 43 knots until the middle of the day. Slight sea. Low, short swell from SE. Excellent visibility.