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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSE wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of showers after 5am. Seas 1 ft or less.

      SSE 6kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SE 6kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. Showers and possibly a thunderstorm. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming NNE 5 to 9 kt in the morning. Showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      ⇑NNE 9kt
      < 1ft

    • Monday Night

      Monday Night:NE wind 10 to 12 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Seas 1 ft or less.

      NE 12kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 17 to 21 kt, with gusts as high as 29 kt. A chance of showers. Seas 1 ft or less.

      NE 21kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NE wind 15 to 18 kt, with gusts as high as 26 kt. A chance of showers. Seas 1 ft or less.

      NE 18kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:45 pm EDT Oct 2, 2026
Forecast Valid: 4pm EDT Oct 2, 2026-6pm EDT Oct 9, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSE wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of showers after 5am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming NNE 5 to 9 kt in the morning. Showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Monday Night
NE wind 10 to 12 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Seas 1 ft or less.
Tuesday
NE wind 17 to 21 kt, with gusts as high as 29 kt. A chance of showers. Seas 1 ft or less.
Tuesday Night
NE wind 15 to 18 kt, with gusts as high as 26 kt. 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 79 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: 2:45 pm EDT Oct 2, 2026
Forecast Valid: 4pm EDT Oct 2, 2026-6pm EDT Oct 9, 2026
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