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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:S wind 5 to 7 kt. Patchy fog after 8pm. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Sunday

      Sunday:SW wind 8 to 11 kt. A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Patchy fog before 11am. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 5 to 7 kt. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Monday

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

      ⇑SSW 9kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas 1 ft or less.

      SSW 6kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:SSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Partly sunny. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 12 to 16 kt. A slight chance of showers. Seas 1 ft or less.

      S 16kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:30 pm EST Mar 7, 2026
Forecast Valid: 4pm EST Mar 7, 2026-6pm EDT Mar 14, 2026

View Nearby Observations

Detailed Forecast


Tonight
S wind 5 to 7 kt. Patchy fog after 8pm. Seas 1 ft or less.
Sunday
SW wind 8 to 11 kt. A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Patchy fog before 11am. Seas 1 ft or less.
Sunday Night
SSW wind 5 to 7 kt. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. A slight chance of showers after 1pm. Seas 1 ft or less.
Monday Night
SSW wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Wednesday Night
S wind 12 to 16 kt. A slight chance of showers. 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 60 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: 1:30 pm EST Mar 7, 2026
Forecast Valid: 4pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
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