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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 5 to 7 kt. A chance of showers and thunderstorms, mainly before 10pm. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.

      ⇑SSW 9kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly between 4am and 5am. Seas 1 ft or less.

      SSW 7kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind around 7 kt becoming SW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Thursday

      Thursday:SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 7 to 9 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      SW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 pm EDT Aug 23, 2026
Forecast Valid: 9pm EDT Aug 23, 2026-6pm EDT Aug 30, 2026

View Nearby Observations

Detailed Forecast


Tonight
SW wind 5 to 7 kt. A chance of showers and thunderstorms, mainly before 10pm. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.
Monday Night
SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly between 4am and 5am. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
S wind around 7 kt becoming SW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
SW wind 7 to 9 kt. Showers likely and possibly a thunderstorm before 2am, then a 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 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: 8:30 pm EDT Aug 23, 2026
Forecast Valid: 9pm EDT Aug 23, 2026-6pm EDT Aug 30, 2026
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