A northwesterly, moderate and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and mostly variable.
For Portreth :
No gale warning.
The reliability of the situation is very good.
Overcast skies. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. NNW wind force 3 from the middle of the day. Gusts reaching 15 knots in the evening. Slight sea. Low, short swell from W. Excellent visibility.