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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSW wind 6 to 8 kt. Patchy smoke before 1am. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Friday

      Friday:WSW wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Saturday

      Saturday:SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 5 to 8 kt. A slight chance of showers and thunderstorms 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

    • Sunday

      Sunday:NW wind 5 to 9 kt becoming E in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      E 9kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind 5 to 9 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Monday

      Monday:ENE wind 10 to 12 kt. A slight chance of showers. Seas 1 ft or less.

      ENE 12kt
      < 1ft

    • Monday Night

      Monday Night:E wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      E 6kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Apr 23, 2026
Forecast Valid: 10pm EDT Apr 23, 2026-6pm EDT Apr 30, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSW wind 6 to 8 kt. Patchy smoke before 1am. Seas 1 ft or less.
Friday
WSW wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SSW wind 6 to 8 kt. Mostly clear. Seas 1 ft or less.
Saturday
SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Saturday Night
SW wind 5 to 8 kt. A slight chance of showers and thunderstorms 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.
Sunday
NW wind 5 to 9 kt becoming E in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Sunday Night
ENE wind 5 to 9 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Monday
ENE wind 10 to 12 kt. A slight chance of showers. Seas 1 ft or less.
Monday Night
E wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Winds and waves higher in and near tstms.

*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: 8:32 pm EDT Apr 23, 2026
Forecast Valid: 10pm EDT Apr 23, 2026-6pm EDT Apr 30, 2026
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