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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NNE wind 8 to 11 kt, with gusts as high as 21 kt. Cloudy. Seas 1 ft or less.

      NNE 11kt
      < 1ft

    • Saturday

      Saturday:NE wind 15 to 17 kt, with gusts as high as 25 kt. Cloudy. Seas 1 ft or less.

      NE 17kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:NE wind 10 to 15 kt, with gusts as high as 22 kt. Rain, mainly after 7pm.   Seas 1 ft or less.

      NE 15kt
      < 1ft

    • Sunday

      Sunday:NNE wind 5 to 9 kt becoming SSW in the afternoon. A chance of rain, mainly before 1pm.   Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 12 to 17 kt becoming WSW after midnight. Rain likely and possibly a thunderstorm before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am.   Seas 1 ft or less.

      SW 17kt
      < 1ft

    • Monday

      Monday:W wind around 14 kt. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm.   Seas 1 ft or less.

      W 14kt
      < 1ft

    • Monday Night

      Monday Night:NW wind 11 to 14 kt. Mostly clear. Seas 1 ft or less.

      NW 14kt
      < 1ft

    • Tuesday

      Tuesday:N wind 6 to 9 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.

      N 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 5 to 9 kt. Mostly clear. Seas 1 ft or less.

      WSW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:30 pm EST Jan 23, 2026
Forecast Valid: 12am EST Jan 24, 2026-6pm EST Jan 30, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH

Overnight
NNE wind 8 to 11 kt, with gusts as high as 21 kt. Cloudy. Seas 1 ft or less.
Saturday
NE wind 15 to 17 kt, with gusts as high as 25 kt. Cloudy. Seas 1 ft or less.
Saturday Night
NE wind 10 to 15 kt, with gusts as high as 22 kt. Rain, mainly after 7pm. Seas 1 ft or less.
Sunday
NNE wind 5 to 9 kt becoming SSW in the afternoon. A chance of rain, mainly before 1pm. Seas 1 ft or less.
Sunday Night
S wind 12 to 17 kt becoming WSW after midnight. Rain likely and possibly a thunderstorm before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Seas 1 ft or less.
Monday
W wind around 14 kt. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Seas 1 ft or less.
Monday Night
NW wind 11 to 14 kt. Mostly clear. Seas 1 ft or less.
Tuesday
N wind 6 to 9 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
WSW wind 5 to 9 kt. Mostly clear. Seas 1 ft or less.

*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: 7:30 pm EST Jan 23, 2026
Forecast Valid: 12am EST Jan 24, 2026-6pm EST Jan 30, 2026
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