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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NW wind 6 to 10 kt. Clear. Seas 1 ft or less.

      NW 10kt
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 8kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Saturday

      Saturday:SW wind 10 to 12 kt. Mostly sunny. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 5 to 8 kt becoming NW after midnight. A chance of showers after 1am.   Seas 1 ft or less.

      NW 8kt
      < 1ft

    • Sunday

      Sunday:WNW wind 10 to 12 kt. Showers likely, mainly before 1pm.   Seas 1 ft or less.

      WNW 12kt
      < 1ft

    • Sunday Night

      Sunday Night:WNW wind around 8 kt. Mostly clear. Seas 1 ft or less.

      WNW 8kt
      < 1ft

    • M.L.King Day

      M.L.King Day:W wind 6 to 9 kt. Sunny. Seas 1 ft or less.

      W 9kt
      < 1ft

    • Monday Night

      Monday Night:W wind 7 to 9 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

      WNW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:32 pm EST Jan 15, 2026
Forecast Valid: 12am EST Jan 16, 2026-6pm EST Jan 22, 2026

View Nearby Observations

Detailed Forecast


Overnight
NW wind 6 to 10 kt. Clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SSW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.
Saturday
SW wind 10 to 12 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
SW wind 5 to 8 kt becoming NW after midnight. A chance of showers after 1am. Seas 1 ft or less.
Sunday
WNW wind 10 to 12 kt. Showers likely, mainly before 1pm. Seas 1 ft or less.
Sunday Night
WNW wind around 8 kt. Mostly clear. Seas 1 ft or less.
M.L.King Day
W wind 6 to 9 kt. Sunny. Seas 1 ft or less.
Monday Night
W wind 7 to 9 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 55 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: 7:32 pm EST Jan 15, 2026
Forecast Valid: 12am EST Jan 16, 2026-6pm EST Jan 22, 2026
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