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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 9pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Independence Day

      Independence Day:NNE wind 5 to 8 kt becoming E 10 to 13 kt in the afternoon. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.

      ⇑E 13kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 11 kt. A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 8pm. Seas 1 ft or less.

      E 11kt
      < 1ft

    • Saturday

      Saturday:ENE wind 13 to 16 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.

      ENE 16kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 9 to 12 kt, with gusts as high as 21 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      E 12kt
      < 1ft

    • Sunday

      Sunday:E wind around 11 kt becoming SE 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.

      ESE 11kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 7 to 9 kt becoming SW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Monday

      Monday:W wind 6 to 11 kt becoming SSW in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 7 to 9 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.

      SSW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:48 pm EDT Jul 3, 2025
Forecast Valid: 8pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 9pm. Seas 1 ft or less.
Independence Day
NNE wind 5 to 8 kt becoming E 10 to 13 kt in the afternoon. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.
Friday Night
E wind around 11 kt. A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 8pm. Seas 1 ft or less.
Saturday
ENE wind 13 to 16 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Seas 1 ft or less.
Saturday Night
E wind 9 to 12 kt, with gusts as high as 21 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Sunday
E wind around 11 kt becoming SE 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.
Sunday Night
S wind 7 to 9 kt becoming SW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday
W wind 6 to 11 kt becoming SSW in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday Night
SSW wind 7 to 9 kt. A chance of showers and thunderstorms, mainly before 8pm. 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: 1:48 pm EDT Jul 3, 2025
Forecast Valid: 8pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025
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