A westerly, very strong and mostly variable flow prevails over the whole area.
For Portsall :
No gale warning.
We are 90% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Mist and fog in the morning, some sun but cloud building in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, very cloudy.
No precipitation. W force 4 in the morning turning SW force 3 in the evening. Gusts reaching 18 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from WNW. Visibility reduced by mist becoming good in the middle of the day then excellent.