A northwesterly, moderate and variable flow prevails over the whole area.
For Plage de Saint-Efflam :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, possibility of a few spots in the afternoon. In the evening, lots of good clear periods.
No precipitation. NW wind force 3 continuing all day. Gusts reaching 19 knots in the morning. Slight sea. Low, fairly long swell from WSW. Excellent visibility becoming excellent in the middle of the day then good.