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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 10 to 14 kt. Mostly clear. Seas 1 ft or less.

      SW 14kt
      < 1ft

    • Thursday

      Thursday:W wind 7 to 10 kt becoming SSW 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

      ⇑SSW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 10 to 14 kt, with gusts as high as 21 kt. Mostly clear. Seas 1 ft or less.

      SW 14kt
      < 1ft

    • Friday

      Friday:W wind 8 to 11 kt becoming SW 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas 1 ft or less.

      ⇑SW 15kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 11 to 14 kt, with gusts as high as 21 kt. Partly cloudy. Seas 1 ft or less.

      SW 14kt
      < 1ft

    • Saturday

      Saturday:WSW wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑WSW 14kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 8 to 12 kt. A chance of showers and thunderstorms, mainly between 8pm and 2am. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Sunday

      Sunday:W wind 6 to 8 kt becoming SSW in the afternoon. Showers and thunderstorms likely, mainly after 2pm. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Sunday Night

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

      SW 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT Jul 8, 2026
Forecast Valid: 4pm EDT Jul 8, 2026-6pm EDT Jul 15, 2026

View Nearby Observations

Detailed Forecast


Tonight
SW wind 10 to 14 kt. Mostly clear. Seas 1 ft or less.
Thursday
W wind 7 to 10 kt becoming SSW 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.
Thursday Night
SW wind 10 to 14 kt, with gusts as high as 21 kt. Mostly clear. Seas 1 ft or less.
Friday
W wind 8 to 11 kt becoming SW 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas 1 ft or less.
Friday Night
SW wind 11 to 14 kt, with gusts as high as 21 kt. Partly cloudy. Seas 1 ft or less.
Saturday
WSW wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
SW wind 8 to 12 kt. A chance of showers and thunderstorms, mainly between 8pm and 2am. Seas 1 ft or less.
Sunday
W wind 6 to 8 kt becoming SSW in the afternoon. Showers and thunderstorms likely, mainly after 2pm. Seas 1 ft or less.
Sunday Night
SW wind 5 to 8 kt. Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 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 87 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: 2:35 pm EDT Jul 8, 2026
Forecast Valid: 4pm EDT Jul 8, 2026-6pm EDT Jul 15, 2026
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