For Black Sand Beach :
No gale warning.
The reliability of the situation is good.
Cloudy spells, dense at times in the morning, very cloudy with possibility of thunder storms in the afternoon. No precipitation in the morning, showers in the afternoon. In the evening, very cloudy with risk of storms.
Showers towards the end of the night. W force 3 in the morning becoming WNW force 2 in the evening. Gusts reaching 15 knots until the middle of the day. Moderate sea becoming rough in the middle of the day. Moderate, fairly long swell from SSW. Excellent visibility becoming good in the middle of the day then poor.