A northwesterly and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and mostly variable.
For Port-la-Forêt :
No gale warning.
The reliability of the situation is assessed at 85%.
For the night from Wednesday to Thursday NNW wind force 3 continuing all night. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea. Low, short swell from WSW. Good visibility becoming poor in the middle of the night then poor. Daytime of Thursday 22 may : The weather will become more uncertain during the day.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation in the morning, possibility of showers in the afternoon. In the evening, changeable skies clearing completely.
Chance of light rain. NNW force 3 in the morning becoming NW force 4 in the middle of the day. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.