For Blue Lagoon :
No gale warning.
The reliability of the situation is very good.
Changeable skies with risk of storms. Possibility of showers In the evening, cloud and long sunny periods.
Possibility of showers SE force 3 in the middle of the day turning E force 2 in the evening. Gusts reaching 12 knots in the middle of the day. Moderate sea. Low, fairly long swell from S. Excellent visibility becoming poor in the evening.