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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:NNE wind 7 to 10 kt. Partly cloudy. Seas 1 ft or less.

      NNE 10kt
      < 1ft

    • Saturday

      Saturday:NNE wind around 11 kt. Mostly sunny. Seas 1 ft or less.

      NNE 11kt
      < 1ft

    • Saturday Night

      Saturday Night:NE wind 6 to 10 kt. Partly cloudy. Seas 1 ft or less.

      NE 10kt
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. A slight chance of showers after 1am. Seas 1 ft or less.

      ⇑N 7kt
      < 1ft

    • Monday

      Monday:NNE wind 10 to 12 kt. Mostly cloudy. Seas 1 ft or less.

      NNE 12kt
      < 1ft

    • Monday Night

      Monday Night:NE wind around 10 kt becoming ESE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

      NE 10kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 9 to 12 kt becoming W in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WNW wind around 10 kt becoming NNW after midnight. A chance of showers. Seas 1 ft or less.

      WNW 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:32 pm EST Nov 28, 2025
Forecast Valid: 11pm EST Nov 28, 2025-6pm EST Dec 5, 2025

View Nearby Observations

Detailed Forecast


Overnight
NNE wind 7 to 10 kt. Partly cloudy. Seas 1 ft or less.
Saturday
NNE wind around 11 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
NE wind 6 to 10 kt. Partly cloudy. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Sunday Night
Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. A slight chance of showers after 1am. Seas 1 ft or less.
Monday
NNE wind 10 to 12 kt. Mostly cloudy. Seas 1 ft or less.
Monday Night
NE wind around 10 kt becoming ESE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.
Tuesday
SSW wind 9 to 12 kt becoming W in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.
Tuesday Night
WNW wind around 10 kt becoming NNW after midnight. A chance of showers. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 62 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 Nov 28, 2025
Forecast Valid: 11pm EST Nov 28, 2025-6pm EST Dec 5, 2025
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