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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:NNE wind around 6 kt. A chance of showers before 4pm, then a slight chance of showers after 5pm.   Seas 1 ft or less.

      NNE 6kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind 5 to 7 kt. A chance of showers, mainly between 1am and 5am.   Seas 1 ft or less.

      N 7kt
      < 1ft

    • Monday

      Monday:N wind 8 to 12 kt. A chance of showers, mainly between 7am and 1pm.   Seas 1 ft or less.

      N 12kt
      < 1ft

    • Monday Night

      Monday Night:N wind 11 to 13 kt. Mostly cloudy. Seas 1 ft or less.

      N 13kt
      < 1ft

    • Tuesday

      Tuesday:N wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

      N 10kt
      < 1ft

    • Tuesday Night

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

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑WSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Thursday

      Thursday:W wind 6 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

      SW 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:30 am EST Dec 7, 2025
Forecast Valid: 4am EST Dec 7, 2025-6pm EST Dec 13, 2025

View Nearby Observations

Detailed Forecast


Sunday
NNE wind around 6 kt. A chance of showers before 4pm, then a slight chance of showers after 5pm. Seas 1 ft or less.
Sunday Night
N wind 5 to 7 kt. A chance of showers, mainly between 1am and 5am. Seas 1 ft or less.
Monday
N wind 8 to 12 kt. A chance of showers, mainly between 7am and 1pm. Seas 1 ft or less.
Monday Night
N wind 11 to 13 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
N wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Sunny. Seas 1 ft or less.
Wednesday Night
WSW wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.
Thursday
W wind 6 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 57 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: 1:30 am EST Dec 7, 2025
Forecast Valid: 4am EST Dec 7, 2025-6pm EST Dec 13, 2025
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