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Charleston, SC Local Forecast Office

4NM N Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind 8 to 12 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.

      NE 12kt
      < 1ft

    • Saturday

      Saturday:NE wind 9 to 14 kt, with gusts as high as 22 kt. A slight chance of showers after 3pm.   Seas 1 ft or less.

      NE 14kt
      < 1ft

    • Saturday Night

      Saturday Night:ENE wind 8 to 11 kt. Mostly cloudy. Seas 1 ft or less.

      ENE 11kt
      < 1ft

    • Sunday

      Sunday:E wind 9 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      E 14kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind 8 to 11 kt. A chance of showers, with thunderstorms also possible after 11pm.   Seas 1 ft or less.

      ENE 11kt
      < 1ft

    • Monday

      Monday:E wind 9 to 13 kt, with gusts as high as 21 kt. A chance of showers.   Seas 1 ft or less.

      E 13kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind 6 to 9 kt. A slight chance of showers, with thunderstorms also possible after 2am.   Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Tuesday

      Tuesday:E wind 7 to 10 kt. A slight chance of showers and thunderstorms.   Seas 1 ft or less.

      E 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      E 6kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT Oct 3, 2025
Forecast Valid: 6pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025

View Nearby Observations

Detailed Forecast


Tonight
NE wind 8 to 12 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.
Saturday
NE wind 9 to 14 kt, with gusts as high as 22 kt. A slight chance of showers after 3pm. Seas 1 ft or less.
Saturday Night
ENE wind 8 to 11 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
E wind 9 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
ENE wind 8 to 11 kt. A chance of showers, with thunderstorms also possible after 11pm. Seas 1 ft or less.
Monday
E wind 9 to 13 kt, with gusts as high as 21 kt. A chance of showers. Seas 1 ft or less.
Monday Night
ENE wind 6 to 9 kt. A slight chance of showers, with thunderstorms also possible after 2am. Seas 1 ft or less.
Tuesday
E wind 7 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
E wind around 6 kt becoming variable and less than 5 kt after midnight. 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 77 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: 32.83°N 79.89°W
Last Update: 2:30 pm EDT Oct 3, 2025
Forecast Valid: 6pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
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