A northwesterly, moderate and variable flow prevails over the whole area.
For Plage du Guillec :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast with reduced visibility in the morning, increasing sunny spells in the afternoon. Rain in the morning, light showers dying away progressively in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. WSW force 3 turning WNW force 4 in the middle of the day then W. Gusts reaching 23 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from NW. Visibility reduced by mist becoming poor in the middle of the day then excellent.