A southeasterly, very strong and variable flow prevails over the whole area.
For Saint-Idesbald :
Warning fresh gale offshore.
The reliability of the situation is assessed at 90%.
Very cloudy skies with short clear spells. No precipitation. In the evening, overcast skies.
Light rain in the early hours. S force 3 becoming SSE force 4 in the middle of the day then force 5. Gusts reaching 35 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from NW. Visibility reduced by mist becoming good in the middle of the day then excellent.