For Blue Lagoon : No gale warning.
The reliability of the situation is very good.
Changeable skies completely clouding over during the morning, very cloudy skies to overcast in the afternoon. No precipitation in the morning, light showers in the afternoon.
In the evening, clear periods developing. Chance of light rain. NNW force 2 becoming NW force 3 in the middle of the day then NNW. Gusts reaching 18 knots in the middle of the day. Good visibility becoming excellent in the middle of the day then poor.