A southerly and very variable flow prevails over the whole area.
For Saint-Valery-sur-Somme :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Thursday to Friday SE wind force 2 continuing all night. Gusts reaching 9 knots at the end of the night.
Smooth sea. Low, short swell from W. Good visibility becoming poor in the middle of the night then poor. Daytime of Friday 22 may : The weather will be good.
Sunny despite some high cloud in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
SE force 3 in the morning becoming force 2 in the middle of the day. Gusts reaching 12 knots in the morning. Smooth sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.