High 1027 hPa centered on Switzerland remaining almost stationary.
For Saint-Valery-sur-Somme :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Wednesday to Thursday SW force 1 turning SE in the middle of the night then ESE. Gusts reaching 3 knots at the end of the night.
Smooth sea becoming smooth to slight in the middle of the night. Low, short swell from W. Visibility reduced by mist becoming reduced by mist in the middle of the night then reduced by fog. Daytime of Thursday 18 june : Improving during the day:the sky will clear.
Bright spells increasing during the morning, sunny becoming changeable in the afternoon. No precipitation. In the evening, good clear periods but lots of cloud, too.
Possibility of showers ENE force 1 becoming force 2 in the middle of the day then NNE. Gusts reaching 13 knots in the evening. Smooth to slight sea becoming smooth in the evening. Low, short swell from W. Visibility reduced by fog becoming excellent in the middle of the day then good.