For Blue Lagoon :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Hazy skies. No precipitation. In the evening, skies gradually hazing over.
No precipitation. S force 3 in the middle of the day turning ESE force 2 in the evening. Gusts reaching 13 knots in the middle of the day. Rippled sea. Low, short swell from S. Excellent visibility becoming good in the evening.