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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind around 9 kt. Showers likely, mainly after 5pm.   Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Tonight

      Tonight:SSW wind around 6 kt becoming W after midnight. Showers, mainly before 2am.   Seas 1 ft or less.

      SW 6kt
      < 1ft

    • Thursday

      Thursday:NNW wind 7 to 11 kt. A chance of showers, mainly before 9am.   Seas 1 ft or less.

      NNW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      NNW 9kt⇓
      < 1ft

    • Friday

      Friday:WSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑WSW 12kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 10 to 12 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.

      W 12kt
      < 1ft

    • Saturday

      Saturday:NW wind around 12 kt. Sunny. Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:NNE wind around 8 kt. Mostly clear. Seas 1 ft or less.

      NNE 8kt
      < 1ft

    • Sunday

      Sunday:NNE wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

      NNE 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 12:43 pm EST Feb 4, 2026
Forecast Valid: 1pm EST Feb 4, 2026-6pm EST Feb 10, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SW wind around 9 kt. Showers likely, mainly after 5pm. Seas 1 ft or less.
Tonight
SSW wind around 6 kt becoming W after midnight. Showers, mainly before 2am. Seas 1 ft or less.
Thursday
NNW wind 7 to 11 kt. A chance of showers, mainly before 9am. Seas 1 ft or less.
Thursday Night
NNW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Friday
WSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
WSW wind 10 to 12 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.
Saturday
NW wind around 12 kt. Sunny. Seas 1 ft or less.
Saturday Night
NNE wind around 8 kt. Mostly clear. Seas 1 ft or less.
Sunday
NNE wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 46 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.
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ABOUT THIS FORECAST

Point Forecast: 32.76°N 79.9°W
Last Update: 12:43 pm EST Feb 4, 2026
Forecast Valid: 1pm EST Feb 4, 2026-6pm EST Feb 10, 2026
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