A southwesterly, moderate and very variable flow prevails over the whole area.
For Plage de Porzic :
No gale warning.
The reliability of the situation is assessed at 85%.
Overcast in the morning, increasing sunny spells in the afternoon. Rain in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. WSW force 4 turning NW in the middle of the day then WNW. Gusts reaching 24 knots from the middle of the day. Slight sea. Low, fairly long swell from SW. Good visibility becoming excellent in the middle of the day.