For Hilton Head Reef - 200" Barge + tires :
No gale warning.
The reliability of the situation is good.
Clear skies. In the evening, clear skies.
WNW force 4 in the middle of the day becoming force 3 in the evening. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from ESE. Excellent visibility.