For Hilton Head Reef - Boat :
No gale warning.
The reliability of the situation is very good.
Skies changeable to very cloudy. The risk of seeing rain will remain low. In the evening, cloud and long sunny periods.
Chance of light rain. WNW force 3 turning WSW force 2 in the middle of the day then S force 4. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from ENE. Excellent visibility becoming excellent in the middle of the day.