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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSW wind 10 to 13 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms between 11pm and 2am. Seas 1 ft or less.

      SSW 13kt
      < 1ft

    • Thursday

      Thursday:SW wind 8 to 11 kt. A chance of showers and thunderstorms, mainly after 3pm. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      SW 8kt⇓
      < 1ft

    • Friday

      Friday:E wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑E 16kt
      < 1ft

    • Friday Night

      Friday Night:E wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      E 10kt
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:E wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑E 13kt
      < 1ft

    • Sunday Night

      Sunday Night:ESE wind 7 to 9 kt. A chance of showers and thunderstorms, then showers likely after 2am. Seas 1 ft or less.

      ESE 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:42 pm EDT May 27, 2026
Forecast Valid: 7pm EDT May 27, 2026-6pm EDT Jun 3, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSW wind 10 to 13 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms between 11pm and 2am. Seas 1 ft or less.
Thursday
SW wind 8 to 11 kt. A chance of showers and thunderstorms, mainly after 3pm. Seas 1 ft or less.
Thursday Night
SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Friday
E wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
E wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
E wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
ESE wind 7 to 9 kt. A chance of showers and thunderstorms, then showers likely after 2am. 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: 7:42 pm EDT May 27, 2026
Forecast Valid: 7pm EDT May 27, 2026-6pm EDT Jun 3, 2026
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