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:Variable winds 5 kt or less. Showers and possibly a thunderstorm before 8pm, then showers likely. Patchy fog before 7pm, then Patchy fog after 8pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming W around 6 kt in the morning. Showers. Seas 1 ft or less.

      ⇑W 6kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of showers, mainly between 7pm and 1am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A slight chance of showers after 1pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of showers, mainly before 1am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:N wind 7 to 11 kt. A slight chance of showers before 1pm. Seas 1 ft or less.

      N 11kt
      < 1ft

    • Monday Night

      Monday Night:NNE wind around 12 kt. Partly cloudy. Seas 1 ft or less.

      NNE 12kt
      < 1ft

    • Tuesday

      Tuesday:NNE wind 6 to 10 kt. Sunny. Seas 1 ft or less.

      NNE 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:32 pm EST Dec 5, 2025
Forecast Valid: 6pm EST Dec 5, 2025-6pm EST Dec 12, 2025

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Showers and possibly a thunderstorm before 8pm, then showers likely. Patchy fog before 7pm, then Patchy fog after 8pm. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming W around 6 kt in the morning. Showers. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. A chance of showers, mainly between 7pm and 1am. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A slight chance of showers after 1pm. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of showers, mainly before 1am. Seas 1 ft or less.
Monday
N wind 7 to 11 kt. A slight chance of showers before 1pm. Seas 1 ft or less.
Monday Night
NNE wind around 12 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
NNE wind 6 to 10 kt. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. 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 58 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: 1:32 pm EST Dec 5, 2025
Forecast Valid: 6pm EST Dec 5, 2025-6pm EST Dec 12, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data