A westerly, strong and very variable flow prevails over the whole area.
For Roscoff - Bloscon :
No gale warning.
The reliability of the situation is assessed at 85%.
Clear periods developing. Light showers progressively becoming less frequent. In the evening, cloudy spells, sometimes dense.
No precipitation. W wind force 4 from the middle of the day. Gusts reaching 21 knots in the middle of the day. Moderate sea. Moderate, long swell from NNE. Excellent visibility.