A southwesterly, very strong and mostly variable flow prevails over the whole area.
For Caernarfon Marina :
Warning strong breeze offshore.
The reliability of the situation is very good.
Clear skies. In the evening, clear periods developing.
Light showers. SSW wind force 5 from the middle of the day. Gusts reaching 27 knots. Slight sea. Low, fairly long swell from WSW. Excellent visibility.