A southwesterly, moderate and mostly variable flow prevails over the whole area.
For Fastnet Rock :
No gale warning.
The reliability of the situation is very good.
Sunny spells with possibility of mist forming in the morning, changeable skies clouding over completely in the afternoon. Risk of showers in the morning, rain in late afternoon. In the evening, very cloudy skies to overcast.
Showers becoming less frequent. WSW force 4 turning ESE force 3 in the middle of the day then WNW. Gusts reaching 32 knots in the morning. Rough sea. Moderate, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day then good.