A westerly, very strong and very variable flow prevails over the whole area.
For Portnoo :
No gale warning.
The reliability of the situation is very good.
Skies changeable becoming very cloudy in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, very cloudy.
Chance of light rain. WNW force 4 turning WSW force 3 in the middle of the day then SSE. Gusts reaching 20 knots in the morning. Rough sea becoming moderate in the middle of the day. Moderate, fairly long swell from WNW. Good visibility becoming excellent in the middle of the day.