For Hilton Head Reef - 100" Barge + tires :
No gale warning.
The reliability of the situation is very good.
Little cloud in the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, clear skies.
NNW force 3 turning S in the middle of the day then SSW. Gusts reaching 16 knots in the evening. Slight sea. Low, fairly long swell from ESE. Excellent visibility.