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]

    • This Afternoon

      This Afternoon:SSE wind 6 to 9 kt. A chance of showers and thunderstorms, mainly before 4pm. Seas 1 ft or less.

      SSE 9kt
      < 1ft

    • Tonight

      Tonight:SSE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Seas 1 ft or less.

      SSE 7kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms, mainly between 1pm and 2pm. Seas 1 ft or less.

      ⇑SE 10kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Seas 1 ft or less.

      SE 8kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSE 9kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

      S 6kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 5 to 8 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑SSW 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT Aug 6, 2026
Forecast Valid: 12pm EDT Aug 6, 2026-6pm EDT Aug 12, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SSE wind 6 to 9 kt. A chance of showers and thunderstorms, mainly before 4pm. Seas 1 ft or less.
Tonight
SSE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms, mainly between 1pm and 2pm. Seas 1 ft or less.
Friday Night
SE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
S wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
SSW wind 5 to 8 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. A chance of showers and thunderstorms. 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 85 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: 8:30 am EDT Aug 6, 2026
Forecast Valid: 12pm EDT Aug 6, 2026-6pm EDT Aug 12, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data