An easterly, strong and variable flow prevails over the North-West and the South-East of the basin. Over the South-West, it is southerly, moderate and very variable. Over the North-East, it is westerly, weak and variable.
For Saint Sampson Harbour :
No gale warning.
We are 65% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy skies to overcast. Light showers all day. In the evening, very cloudy skies becoming totally overcast.
Chance of light rain. W force 2 turning E force 3 in the middle of the day then ENE force 4. Gusts reaching 22 knots in the evening. Slight sea. Low, fairly long swell from NNW. Poor visibility becoming poor in the middle of the day then excellent.