A northerly and variable flow prevails over the whole area.
For Cayeux :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy, risk of thundery outbreaks during the afternoon. Light showers all day. In the evening, good clear periods but lots of cloud, too.
Light showers. NE force 2 freshening N force 4 in the middle of the day then force 3. Gusts reaching 19 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day.