For Hilton Head Reef - Tank 3 :
No gale warning.
The reliability of the situation is very good.
Fairly clear skies progressively clouding over in the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, clear skies.
WSW force 4 turning NW in the middle of the day then N force 5. Gusts reaching 29 knots in the evening. Slight sea becoming moderate in the evening. Low, short swell from SE. Excellent visibility.