A southwesterly, moderate and mostly variable flow prevails over the whole area.
For Penfoul :
No gale warning.
The reliability of the situation is limited.
For the night from Friday to Saturday SSW force 3 in the early part of the night becoming S force 2. Gusts reaching 14 knots in the early part of the night.
Slight sea. Low, fairly long swell from W. Excellent visibility becoming reduced by mist in the middle of the night then reduced by fog. Daytime of Saturday 20 september : Warning:reduced visibility early in the day.
Fog developing into low cloud during the morning, very cloudy in the afternoon. No precipitation in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. S force 4 becoming SSW force 5 in the middle of the day then SW force 4. Gusts reaching 33 knots from the middle of the day. Slight sea becoming moderate in the middle of the day then rough. Low, short swell from W. Visibility reduced by fog becoming excellent in the middle of the day.