For More Weather Information:

Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 10 to 13 kt decreasing to 5 to 8 kt after midnight. Mostly clear. Seas 1 ft or less.

      E 13kt⇓
      < 1ft

    • Thursday

      Thursday:NNE wind 7 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      E 10kt
      < 1ft

    • Thursday Night

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

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SE 6kt
      < 1ft

    • Friday Night

      Friday Night:S wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      S 6kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. A chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      ⇑ESE 9kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Seas 1 ft or less.

      ESE 7kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A chance of showers, with thunderstorms also possible after 2pm.   Seas 1 ft or less.

      ⇑E 8kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am.   Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:34 pm EDT Sep 16, 2026
Forecast Valid: 4pm EDT Sep 16, 2026-6pm EDT Sep 23, 2026

View Nearby Observations

Detailed Forecast


Tonight
E wind 10 to 13 kt decreasing to 5 to 8 kt after midnight. Mostly clear. Seas 1 ft or less.
Thursday
NNE wind 7 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
S wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. 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 84 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...

ABOUT THIS FORECAST

Point Forecast: 32.76°N 79.9°W
Last Update: 2:34 pm EDT Sep 16, 2026
Forecast Valid: 4pm EDT Sep 16, 2026-6pm EDT Sep 23, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data