A westerly, strong and very variable flow prevails over the whole area.
For Penarth Marina :
Warning strong breeze offshore.
The reliability of the situation is good.
Good clear periods alternating with cloudy spells, rather dense in the morning. Showers becoming less frequent in the morning, no precipitation in the afternoon. In the evening, relatively clear skies becoming changeable.
W wind force 5 continuing all day. Gusts reaching 31 knots in the middle of the day. Smooth to slight sea. Low, short swell from SW then from N in the middle of the day. Excellent visibility.