A southerly and mostly variable flow prevails over the whole area.
For Dinorwic Marina :
No gale warning.
The reliability of the situation is very good.
Cloud and sun in the morning, very cloudy in the afternoon. No precipitation in the morning, light showers in the afternoon. In the evening, clear periods developing.
Showers becoming less frequent. S force 3 in the morning becoming SSW force 2 in the evening. Gusts reaching 13 knots in the morning. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from SW. Good visibility becoming reduced by mist in the middle of the day then reduced by mist.