For Hilton Head Reef - Tank 3 :
No gale warning.
The reliability of the situation is very good.
Sunny with some cloud in the afternoon. In the evening, skies with few clouds.
NNE force 5 in the morning becoming force 4 in the middle of the day. Gusts reaching 29 knots in the morning. Rough sea. Low, fairly long swell from ENE. Excellent visibility.