A northerly, moderate and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is westerly, moderate and mostly variable.
For Langstone Harbour - Southsea Marina :
No gale warning.
The reliability of the situation is very good.
Light cloudy spells. In the evening, light cloudy spells.
NW wind force 4 from the middle of the day. Gusts reaching 20 knots in the evening. Smooth sea. Low, short swell from SE. Good visibility becoming excellent in the evening.