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.
Overcast in the morning, very cloudy with possibility of thunder storms in the afternoon. Risk of showers in the morning, light showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Light showers. ENE force 1 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. Poor visibility becoming excellent in the middle of the day.