A northerly and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and mostly variable.
For Dinorwic Marina :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies. Rare and fleeting sunny spells. Risk of some spots of rain in the morning, drizzle intensifying and turning to rain in the afternoon. In the evening, very cloudy skies clearing completely.
No precipitation. NNE force 3 in the morning temporarily force 4 in the middle of the day. Gusts reaching 20 knots in the middle of the day. Smooth sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.