For Blue Lagoon :
No gale warning.
The reliability of the situation is good.
Very cloudy with risk of thunderstorms in the morning, sun and storm clouds in the afternoon. Showers all day. In the evening, changeable skies with risk of storms.
Light showers progressively becoming less frequent. SW force 2 in the morning turning NNW force 1 in the evening. Gusts reaching 9 knots in the middle of the day. Moderate sea. Low, fairly long swell from SSW. Good visibility becoming excellent in the middle of the day then poor.