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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind 10 to 14 kt. Mostly cloudy. Seas 1 ft or less.

      NE 14kt
      < 1ft

    • Saturday

      Saturday:NNE wind 10 to 13 kt becoming ENE 14 to 17 kt in the afternoon. Winds could gust as high as 24 kt. A slight chance of showers after 1pm.   Seas 1 ft or less.

      ⇑ENE 17kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 12 to 14 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 1 ft or less.

      E 14kt
      < 1ft

    • Sunday

      Sunday:E wind 13 to 17 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms, mainly after 2pm.   Seas 1 ft or less.

      E 17kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind 12 to 15 kt, with gusts as high as 22 kt. A chance of showers, with thunderstorms also possible after 11pm.   Seas 1 ft or less.

      ENE 15kt
      < 1ft

    • Monday

      Monday:E wind 12 to 17 kt, with gusts as high as 23 kt. A chance of showers.   Seas 1 ft or less.

      E 17kt
      < 1ft

    • Monday Night

      Monday Night:E wind 10 to 13 kt, with gusts as high as 20 kt. A slight chance of showers, with thunderstorms also possible after 2am.   Seas 1 ft or less.

      E 13kt
      < 1ft

    • Tuesday

      Tuesday:E wind 10 to 13 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms.   Seas 1 ft or less.

      E 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 6 to 10 kt. Partly cloudy. Seas 1 ft or less.

      E 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Oct 3, 2025
Forecast Valid: 9pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025

View Nearby Observations

Detailed Forecast


Tonight
NE wind 10 to 14 kt. Mostly cloudy. Seas 1 ft or less.
Saturday
NNE wind 10 to 13 kt becoming ENE 14 to 17 kt in the afternoon. Winds could gust as high as 24 kt. A slight chance of showers after 1pm. Seas 1 ft or less.
Saturday Night
E wind 12 to 14 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
E wind 13 to 17 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.
Sunday Night
ENE wind 12 to 15 kt, with gusts as high as 22 kt. A chance of showers, with thunderstorms also possible after 11pm. Seas 1 ft or less.
Monday
E wind 12 to 17 kt, with gusts as high as 23 kt. A chance of showers. Seas 1 ft or less.
Monday Night
E wind 10 to 13 kt, with gusts as high as 20 kt. A slight chance of showers, with thunderstorms also possible after 2am. Seas 1 ft or less.
Tuesday
E wind 10 to 13 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
E wind 6 to 10 kt. Partly cloudy. 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 76 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: 8:32 pm EDT Oct 3, 2025
Forecast Valid: 9pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
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