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]

    • Tonight

      Tonight:W wind 6 to 11 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

      W 11kt
      < 1ft

    • Thursday

      Thursday:N wind 5 to 7 kt. Increasing clouds. Seas 1 ft or less.

      N 7kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑E 6kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. A chance of rain, mainly after 1am. Seas 1 ft or less.

      ⇑N 7kt
      < 1ft

    • Saturday

      Saturday:N wind 10 to 13 kt becoming NW 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of rain before 1pm, then snow likely, possibly mixed with rain. Seas 1 ft or less.

      ⇑NW 16kt
      < 1ft

    • Saturday Night

      Saturday Night:NW wind 21 to 23 kt, with gusts as high as 30 kt. Snow likely, mainly before 1am. Seas 1 ft or less.

      NW 23kt
      < 1ft

    • Sunday

      Sunday:NW wind 15 to 20 kt, with gusts as high as 27 kt. Mostly sunny. Seas 1 ft or less.

      NW 20kt
      < 1ft

    • Sunday Night

      Sunday Night:NW wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.

      NW 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:37 pm EST Jan 28, 2026
Forecast Valid: 6pm EST Jan 28, 2026-6pm EST Feb 4, 2026

View Nearby Observations

Detailed Forecast


Tonight
W wind 6 to 11 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.
Thursday
N wind 5 to 7 kt. Increasing clouds. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. A chance of rain, mainly after 1am. Seas 1 ft or less.
Saturday
N wind 10 to 13 kt becoming NW 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of rain before 1pm, then snow likely, possibly mixed with rain. Seas 1 ft or less.
Saturday Night
NW wind 21 to 23 kt, with gusts as high as 30 kt. Snow likely, mainly before 1am. Seas 1 ft or less.
Sunday
NW wind 15 to 20 kt, with gusts as high as 27 kt. Mostly sunny. Seas 1 ft or less.
Sunday Night
NW wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 50 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: 1:37 pm EST Jan 28, 2026
Forecast Valid: 6pm EST Jan 28, 2026-6pm EST Feb 4, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data