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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SE wind around 9 kt becoming S. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      SSE 9kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly between 8pm and 1am. Seas 1 ft or less.

      SSW 7kt⇓
      < 1ft

    • Saturday

      Saturday:ENE wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      ⇑ENE 15kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 7 to 9 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      E 9kt
      < 1ft

    • Sunday

      Sunday:E wind 8 to 13 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      E 13kt
      < 1ft

    • Sunday Night

      Sunday Night:E wind around 9 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      E 9kt
      < 1ft

    • Monday

      Monday:SE wind 10 to 13 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      SE 13kt
      < 1ft

    • Monday Night

      Monday Night:SSE wind around 11 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      SSE 11kt
      < 1ft

    • Tuesday

      Tuesday:S wind 9 to 11 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      S 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 10:45 am EDT May 9, 2025
Forecast Valid: 12pm EDT May 9, 2025-6pm EDT May 15, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 9 kt becoming S. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Tonight
SSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly between 8pm and 1am. Seas 1 ft or less.
Saturday
ENE wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Saturday Night
E wind 7 to 9 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday
E wind 8 to 13 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday Night
E wind around 9 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday
SE wind 10 to 13 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday Night
SSE wind around 11 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Tuesday
S wind 9 to 11 kt. Showers and possibly a thunderstorm. 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 75 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: 10:45 am EDT May 9, 2025
Forecast Valid: 12pm EDT May 9, 2025-6pm EDT May 15, 2025
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