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]

    • Today

      Today:SW wind 8 to 11 kt. Patchy fog before 10am. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 7 kt. A chance of showers and thunderstorms, mainly between 2am and 5am. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSW 8kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 6 kt. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Seas 1 ft or less.

      SW 6kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:SSW wind 6 to 11 kt. Partly sunny. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 12 to 17 kt. A slight chance of showers. Seas 1 ft or less.

      S 17kt
      < 1ft

    • Thursday

      Thursday:SW wind around 18 kt becoming WNW in the afternoon. Winds could gust as high as 26 kt. Showers likely. Seas 1 ft or less.

      WSW 18kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 5:25 am EDT Mar 8, 2026
Forecast Valid: 5am EDT Mar 8, 2026-6pm EDT Mar 14, 2026

View Nearby Observations

Detailed Forecast


Today
SW wind 8 to 11 kt. Patchy fog before 10am. Seas 1 ft or less.
Tonight
SSW wind 5 to 7 kt. A chance of showers and thunderstorms, mainly between 2am and 5am. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Monday Night
SW wind around 6 kt. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 6 to 11 kt. Partly sunny. Seas 1 ft or less.
Wednesday Night
S wind 12 to 17 kt. A slight chance of showers. Seas 1 ft or less.
Thursday
SW wind around 18 kt becoming WNW in the afternoon. Winds could gust as high as 26 kt. Showers likely. 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 60 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: 5:25 am EDT Mar 8, 2026
Forecast Valid: 5am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data