A westerly, strong and mostly variable flow prevails over the whole area.
For Lough Swilly Marina :
Warning strong breeze offshore.
The reliability of the situation is good.
Skies changeable to very cloudy. Showers all day. In the evening, cloudy spells, sometimes dense.
Chance of light rain. SSW force 4 turning W in the middle of the day then SW force 3. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming poor in the evening.