For Hilton Head Reef - 200" Barge + tires :
No gale warning.
The reliability of the situation is very good.
Cloud and long sunny periods. No precipitation. In the evening, light cloudy spells.
SSE wind force 3 continuing all day. Gusts reaching 16 knots in the evening. Slight sea. Low, short swell from SE. Poor visibility becoming excellent in the middle of the day then poor.