A northerly, strong and variable flow prevails over the South-West of the basin. Over the East, it is southeasterly, moderate and very variable. Over the North-West, it is westerly, moderate and variable.
For Penarth Marina :
Warning strong breeze offshore.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, light cloudy spells.
ENE force 4 in the morning becoming E force 3 in the middle of the day. Gusts reaching 21 knots in the morning. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from SW. Excellent visibility.