News Headlines
- South Carolina Earthquake Preparedness Week Oct 11-17. Participate in the Great Southeast ShakeOut at 1015 AM Thursday.
- October 10, 2026 Tornadoes Associated with the remnants of Hurricane Isaias
- Experimental Flood Inundation Mapping Services Now Available
- TAF Service for the Hilton Head Island Airport (KHXD) To Begin 7 AM EST December 7, 2026.
Last Update: 724 AM EDT Fri Oct 16 2026
For More Weather Information:
Charleston Harbor MR
Marine Zone Forecast
Today
SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Patchy fog early this morning.
Tonight
SW winds 10 kt, becoming W after midnight.
Sat
N winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft. A slight chance of showers.
Sat Night
N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
Sun
NE winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
Sun Night
NE winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Waves 2 to 3 ft.
Mon
N winds 15 to 20 kt. Waves 1 to 2 ft.
Mon Night
N winds 15 to 20 kt. Waves 1 to 2 ft.
Tue
N winds 10 to 15 kt.
Tue Night
N winds 10 kt.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 77 degrees.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 77 degrees.
Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 77 degrees.
Additional Forecasts and Information
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