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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Late Afternoon

      Late Afternoon:S wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Tonight

      Tonight:SSW wind 7 to 9 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Sunday

      Sunday:SSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

      ⇑SSW 13kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 10 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SW 14kt
      < 1ft

    • Monday

      Monday:W wind 8 to 12 kt becoming SW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Monday Night

      Monday Night:SW wind 9 to 11 kt. A chance of showers and thunderstorms before 5am, then a slight chance of showers. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 10 to 12 kt. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      WSW 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WSW wind around 11 kt. 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.

      WSW 11kt
      < 1ft

    • Wednesday

      Wednesday:W wind 10 to 13 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Seas 1 ft or less.

      W 13kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT Jun 13, 2026
Forecast Valid: 4pm EDT Jun 13, 2026-6pm EDT Jun 20, 2026

View Nearby Observations

Detailed Forecast


Late Afternoon
S wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tonight
SSW wind 7 to 9 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Sunday
SSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.
Sunday Night
SW wind 10 to 14 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Monday
W wind 8 to 12 kt becoming SW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Monday Night
SW wind 9 to 11 kt. A chance of showers and thunderstorms before 5am, then a slight chance of showers. Seas 1 ft or less.
Tuesday
WSW wind 10 to 12 kt. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Tuesday Night
WSW wind around 11 kt. 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
W wind 10 to 13 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 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 83 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: 2:30 pm EDT Jun 13, 2026
Forecast Valid: 4pm EDT Jun 13, 2026-6pm EDT Jun 20, 2026
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