A westerly, strong and mostly variable flow prevails over the whole area.
For Portsmouth :
No gale warning.
The reliability of the situation is very good.
Cloud and long sunny periods. Light showers. In the evening, fog developing into low cloud.
No precipitation. WSW wind force 4 from the middle of the day. Gusts reaching 22 knots in the evening. Smooth sea. Low, short swell from SSW. Good visibility becoming poor in the evening.