For Rainbows :
No gale warning.
The reliability of the situation is very good.
Skies changeable to very cloudy. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, good clear periods but cloud building.
Risk of showers in the early hours. ENE wind force 4 continuing all day. Gusts reaching 24 knots in the morning. Rough sea becoming moderate in the middle of the day. Low, fairly long swell from N then short from NNE in the middle of the day then, fairly long swell from NNE. Excellent visibility.