For Hilton Head Reef - 200" Barge + tires :
No gale warning.
The reliability of the situation is very good.
Skies very cloudy, risk of some thundery outbreaks. Risk of showers in the morning, showers late in the day. In the evening, very cloudy with risk of storms.
Light showers progressively becoming less frequent. NW force 2 turning E in the middle of the day then NE force 4. Gusts reaching 23 knots in the evening. Slight sea. Low, short swell from SSE. Good visibility becoming excellent in the middle of the day then good.