For Hilton Head Reef :
No gale warning.
The reliability of the situation is good.
Sunny after slow dispersal of fog in the morning, some sun but cloud building in the afternoon. No precipitation in the morning, showers late in the day. In the evening, cloudy and humid with a risk of fog.
Light showers progressively becoming less frequent. SSW force 3 in the morning temporarily S force 4 in the middle of the day. Gusts reaching 21 knots in the middle of the day. Slight sea. Low, short swell from SE. Visibility reduced by fog becoming excellent in the middle of the day then reduced by mist.