A northeasterly, weak and particularly variable flow prevails over the South of the basin. Over the North, it is northwesterly, moderate and particularly variable.
For Saint-Valery-sur-Somme :
No gale warning.
For the night from Thursday to Friday NNE wind force 3 continuing all night. Gusts reaching 20 knots in the early part of the night.
Smooth sea. Low, short swell from NNW. Excellent visibility becoming good at the end of the night. Daytime of Friday 29 may : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Chance of light rain. NNE force 3 in the morning becoming N force 4 in the evening. Gusts reaching 20 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from NW. Good visibility becoming excellent in the middle of the day.