A southerly, very strong and variable flow prevails over the whole area.
For Caernarfon Marina :
Warning fresh gale offshore.
The reliability of the situation is good.
Very cloudy skies. Becoming more changeable for a time in the morning. Risk of showers in the morning, showers dying away in the afternoon. In the evening, very cloudy skies becoming totally overcast.
 Showers towards the end of the night. S wind force 6 continuing all day. Gusts reaching 47 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility.