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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind around 9 kt. A slight chance of showers after 4am.   Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Wednesday

      Wednesday:SW wind 7 to 10 kt. Showers likely, mainly after 4pm.   Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 5 to 7 kt becoming W after midnight. Showers.   Seas 1 ft or less.

      W 7kt
      < 1ft

    • Thursday

      Thursday:N wind around 11 kt. A chance of showers, mainly before 1pm.   Seas 1 ft or less.

      N 11kt
      < 1ft

    • Thursday Night

      Thursday Night:NNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      NNW 8kt⇓
      < 1ft

    • Friday

      Friday:WSW wind 6 to 9 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 9 to 11 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.

      W 11kt
      < 1ft

    • Saturday

      Saturday:NW wind 6 to 8 kt becoming N in the afternoon. Sunny. Seas 1 ft or less.

      NNW 8kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds less than 5 kt becoming NE around 6 kt after midnight. Mostly clear. Seas 1 ft or less.

      ⇑NE 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 6:08 pm EST Feb 3, 2026
Forecast Valid: 7pm EST Feb 3, 2026-6pm EST Feb 10, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSW wind around 9 kt. A slight chance of showers after 4am. Seas 1 ft or less.
Wednesday
SW wind 7 to 10 kt. Showers likely, mainly after 4pm. Seas 1 ft or less.
Wednesday Night
SW wind 5 to 7 kt becoming W after midnight. Showers. Seas 1 ft or less.
Thursday
N wind around 11 kt. A chance of showers, mainly before 1pm. Seas 1 ft or less.
Thursday Night
NNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Friday
WSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
WSW wind 9 to 11 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.
Saturday
NW wind 6 to 8 kt becoming N in the afternoon. Sunny. Seas 1 ft or less.
Saturday Night
Variable winds less than 5 kt becoming NE around 6 kt after midnight. Mostly clear. 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: 6:08 pm EST Feb 3, 2026
Forecast Valid: 7pm EST Feb 3, 2026-6pm EST Feb 10, 2026
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