High 1027 hPa centered on West Channel remaining almost stationary.
For Tréboul - Sables Blancs :
No gale warning.
The reliability of the situation is assessed at 90%.
Sunny spells with possibility of mist forming in the morning, sunny in the afternoon. No precipitation. In the evening, relatively cloudless skies clearing.
NE force 2 turning N force 3 in the middle of the day then WNW. Gusts reaching 13 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day then excellent.