A northeasterly, moderate and variable flow prevails over the whole area.
For Penarth Marina :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies becoming somewhat cloudy. In the evening, skies with few clouds.
S force 3 in the middle of the day turning WNW in the evening. Gusts reaching 21 knots in the middle of the day. Smooth sea. Low, short swell from ENE. Excellent visibility.