National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

For More Weather Information:

Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Monday

      Monday:SW wind 7 to 10 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑SSW 13kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 10 to 12 kt. A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 7 to 10 kt becoming SSW 11 to 14 kt in the afternoon. A slight chance of showers and thunderstorms before 7am. Seas 1 ft or less.

      ⇑SSW 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 10 to 12 kt. A slight chance of showers and thunderstorms before 2am. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 7 to 12 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 9 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Thursday

      Thursday:W wind 7 to 10 kt becoming SSW 10 to 13 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSW 13kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 10 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Friday

      Friday:WSW wind 8 to 11 kt increasing to 12 to 15 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑WSW 15kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Jul 6, 2026
Forecast Valid: 4am EDT Jul 6, 2026-6pm EDT Jul 12, 2026

View Nearby Observations

Detailed Forecast


Monday
SW wind 7 to 10 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Monday Night
SSW wind 10 to 12 kt. A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Tuesday
WSW wind 7 to 10 kt becoming SSW 11 to 14 kt in the afternoon. A slight chance of showers and thunderstorms before 7am. Seas 1 ft or less.
Tuesday Night
SSW wind 10 to 12 kt. A slight chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Wednesday
WSW wind 7 to 12 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
SW wind 9 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Thursday
W wind 7 to 10 kt becoming SSW 10 to 13 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Thursday Night
SW wind 10 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Friday
WSW wind 8 to 11 kt increasing to 12 to 15 kt in the afternoon. Sunny. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 87 degrees.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 32.76°N 79.9°W
Last Update: 2:40 am EDT Jul 6, 2026
Forecast Valid: 4am EDT Jul 6, 2026-6pm EDT Jul 12, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data