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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:ESE wind 5 to 9 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      ESE 9kt
      < 1ft

    • Tuesday

      Tuesday:E wind 6 to 9 kt becoming SE 11 to 14 kt in the afternoon. A chance of showers and thunderstorms after 10am. Seas 1 ft or less.

      ⇑SE 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSE wind 9 to 12 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

      SSE 12kt
      < 1ft

    • Wednesday

      Wednesday:S wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑S 15kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 10 to 13 kt. A chance of showers before 8pm, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      S 13kt
      < 1ft

    • Thursday

      Thursday:SSW wind 10 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly between 8am and 2pm. Seas 1 ft or less.

      SSW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 9 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Friday

      Friday:SSW wind 8 to 13 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      SSW 13kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind 9 to 11 kt. A slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      SSW 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:41 pm EDT Jul 14, 2025
Forecast Valid: 6pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025

View Nearby Observations

Detailed Forecast


Tonight
ESE wind 5 to 9 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Tuesday
E wind 6 to 9 kt becoming SE 11 to 14 kt in the afternoon. A chance of showers and thunderstorms after 10am. Seas 1 ft or less.
Tuesday Night
SSE wind 9 to 12 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Wednesday
S wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
S wind 10 to 13 kt. A chance of showers before 8pm, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Thursday
SSW wind 10 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly between 8am and 2pm. Seas 1 ft or less.
Thursday Night
SSW wind 9 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Friday
SSW wind 8 to 13 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
SSW wind 9 to 11 kt. A slight chance of showers and thunderstorms after 2am. 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 85 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: 1:41 pm EDT Jul 14, 2025
Forecast Valid: 6pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
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