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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:SSW wind 5 to 10 kt. A chance of showers and thunderstorms, mainly between 4pm and 5pm.   Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SW wind 8 to 10 kt. A slight chance of showers and thunderstorms, mainly between midnight and 1am.   Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 7 to 10 kt. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind 7 to 10 kt. A slight chance of showers and thunderstorms before 8pm.   Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Wednesday

      Wednesday:W wind 7 to 11 kt. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      W 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind 8 to 10 kt. A slight chance of showers and thunderstorms before 8pm.   Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Thursday

      Thursday:W wind 7 to 12 kt. Sunny. Seas 1 ft or less.

      W 12kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 8 to 12 kt. Partly cloudy. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Friday

      Friday:W wind 6 to 11 kt becoming SW in the afternoon. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      SW 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Aug 9, 2026
Forecast Valid: 2am EDT Aug 10, 2026-6pm EDT Aug 16, 2026

View Nearby Observations

Detailed Forecast


Monday
SSW wind 5 to 10 kt. A chance of showers and thunderstorms, mainly between 4pm and 5pm. Seas 1 ft or less.
Monday Night
SW wind 8 to 10 kt. A slight chance of showers and thunderstorms, mainly between midnight and 1am. Seas 1 ft or less.
Tuesday
WSW wind 7 to 10 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tuesday Night
WSW wind 7 to 10 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Wednesday
W wind 7 to 11 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
WSW wind 8 to 10 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Thursday
W wind 7 to 12 kt. Sunny. Seas 1 ft or less.
Thursday Night
SSW wind 8 to 12 kt. Partly cloudy. Seas 1 ft or less.
Friday
W wind 6 to 11 kt becoming SW in the afternoon. A slight chance of showers and thunderstorms 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: 8:32 pm EDT Aug 9, 2026
Forecast Valid: 2am EDT Aug 10, 2026-6pm EDT Aug 16, 2026
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