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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:S wind 9 to 12 kt. A chance of showers and thunderstorms, mainly between 8am and 3pm.   Seas 1 ft or less.

      S 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind around 10 kt. Partly cloudy. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Thursday

      Thursday:SSW wind 8 to 13 kt. A chance of showers and thunderstorms before 2pm.   Seas 1 ft or less.

      SSW 13kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Friday

      Friday:SW wind 7 to 11 kt. A slight chance of showers and thunderstorms.   Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Friday Night

      Friday Night:SW wind around 9 kt. Mostly clear. Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Saturday

      Saturday:WSW wind 6 to 11 kt. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      WSW 11kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 7 to 9 kt. A slight chance of showers and thunderstorms before 2am.   Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Sunday

      Sunday:W wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm.   Seas 1 ft or less.

      ⇑W 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:43 am EDT Jul 16, 2025
Forecast Valid: 3am EDT Jul 16, 2025-6pm EDT Jul 22, 2025

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Detailed Forecast


Wednesday
S wind 9 to 12 kt. A chance of showers and thunderstorms, mainly between 8am and 3pm. Seas 1 ft or less.
Wednesday Night
S wind around 10 kt. Partly cloudy. Seas 1 ft or less.
Thursday
SSW wind 8 to 13 kt. A chance of showers and thunderstorms before 2pm. Seas 1 ft or less.
Thursday Night
SSW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.
Friday
SW wind 7 to 11 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
SW wind around 9 kt. Mostly clear. Seas 1 ft or less.
Saturday
WSW wind 6 to 11 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
SW wind 7 to 9 kt. A slight chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Sunday
W wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. 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 86 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: 1:43 am EDT Jul 16, 2025
Forecast Valid: 3am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
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