High 1026 hPa centered on West Channel remaining almost stationary.
For Trevou-Treguignec :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Friday to Saturday SW force 1 becoming force 2 in the middle of the night then SSW. Gusts reaching 7 knots at the end of the night.
Smooth to slight sea becoming slight at the end of the night. Low, short swell from NW. Visibility reduced by mist becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Saturday 12 september : Improving during the day:the sky will clear.
Bright spells increasing during the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
SSW force 2 in the morning turning WNW force 3 in the middle of the day. Gusts reaching 15 knots in the evening. Slight sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then poor.