A northeasterly, weak and very variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and particularly variable.
For Le Tréport :
No gale warning.
The reliability of the situation is poor.
For the night from Tuesday to Wednesday WSW force 3 in the early part of the night becoming W force 2. Gusts reaching 16 knots.
Slight sea. Low, short swell from WNW. Good visibility becoming poor in the middle of the night then poor. Daytime of Wednesday 19 august : The weather will become more uncertain during the day.
Skies changeable to very cloudy. The risk of seeing rain will remain low. In the evening, cloud and long sunny periods.
Chance of light rain. W force 3 becoming force 4 in the middle of the day then WNW. Gusts reaching 17 knots in the middle of the day. Slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then poor.