A westerly and variable flow prevails over the whole area.
For Portsall :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday W wind force 3 continuing all night. Gusts reaching 17 knots in the early part of the night.
Moderate sea. Moderate, short swell from W then low at the end of the night. Poor visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Tuesday 22 july : The sky will remain very cloudy.
Skies very cloudy to overcast in the morning, very cloudy in the afternoon. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, very cloudy.
Showers towards the end of the night. W wind force 4 continuing all day. Gusts reaching 21 knots in the middle of the day. Moderate sea becoming slight in the evening. Low, short swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day.