For Blue Lagoon :
No gale warning.
The reliability of the situation is very good.
Lots of good clear periods. No precipitation. In the evening, relatively clear skies becoming changeable.
SE force 4 in the middle of the day becoming force 3 in the evening. Gusts reaching 18 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from SSW. Excellent visibility becoming excellent in the evening.