A southerly, very strong and very variable flow prevails over the whole area.
Für Caernarfon Marina : Warning strong breeze offshore.
The reliability of the situation is very good.
Cloudy spells, sometimes dense.Light showers.In the evening, very cloudy skies becoming totally overcast. Showers towards the end of the night. S wind force 4 from the middle of the day. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the evening.
Semaphoren
Station Valley RAF liegt 22 km von Caernarfon Marina entfernt