Low 997 hPa centered on Wales moving at 9 knots to the South-East and rising to 1012 hPa to be centered on East Channel.
For Penfoul :
No gale warning.
The reliability of the situation is fairly good.
For the night from Saturday to Sunday WSW wind force 4 continuing all night. Gusts reaching 25 knots in the middle of the night.
Rough sea. Moderate, fairly long swell from WNW. Excellent visibility. Daytime of Sunday 21 september : The sky will remain changeable.
Skies changeable becoming very cloudy in the afternoon. Risk of some spots of rain in the morning, showers late in the day. In the evening, clear periods developing.
Light showers progressively becoming less frequent. W force 4 in the morning turning NNW force 3 in the evening. Gusts reaching 22 knots in the morning. Rough sea. Moderate, fairly long swell from WNW. Excellent visibility.