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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:E wind 6 to 10 kt. A slight chance of showers and thunderstorms before 10am. Seas 1 ft or less.

      E 10kt
      < 1ft

    • Tonight

      Tonight:E wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      E 6kt⇓
      < 1ft

    • Wednesday

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

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds less than 5 kt becoming NNE 5 to 10 kt after midnight. A chance of showers, with thunderstorms also possible after 11pm. Seas 1 ft or less.

      ⇑NNE 10kt
      < 1ft

    • Thursday

      Thursday:NE wind 16 to 19 kt, with gusts as high as 26 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      NE 19kt
      < 1ft

    • Thursday Night

      Thursday Night:NE wind 17 to 19 kt, with gusts as high as 29 kt. A slight chance of showers, with thunderstorms also possible after 2am. Seas 1 ft or less.

      NE 19kt
      < 1ft

    • Friday

      Friday:NNE wind 18 to 20 kt, with gusts as high as 29 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      NNE 20kt
      < 1ft

    • Friday Night

      Friday Night:NNE wind around 19 kt, with gusts as high as 29 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      NNE 19kt
      < 1ft

    • Saturday

      Saturday:N wind around 20 kt, with gusts as high as 29 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

      N 20kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT Oct 7, 2025
Forecast Valid: 8am EDT Oct 7, 2025-6pm EDT Oct 13, 2025

View Nearby Observations

Detailed Forecast


Today
E wind 6 to 10 kt. A slight chance of showers and thunderstorms before 10am. Seas 1 ft or less.
Tonight
E wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds less than 5 kt becoming NNE 5 to 10 kt after midnight. A chance of showers, with thunderstorms also possible after 11pm. Seas 1 ft or less.
Thursday
NE wind 16 to 19 kt, with gusts as high as 26 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
NE wind 17 to 19 kt, with gusts as high as 29 kt. A slight chance of showers, with thunderstorms also possible after 2am. Seas 1 ft or less.
Friday
NNE wind 18 to 20 kt, with gusts as high as 29 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
NNE wind around 19 kt, with gusts as high as 29 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Saturday
N wind around 20 kt, with gusts as high as 29 kt. A slight chance of showers and thunderstorms. 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: 8:30 am EDT Oct 7, 2025
Forecast Valid: 8am EDT Oct 7, 2025-6pm EDT Oct 13, 2025
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