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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SE wind 9 to 11 kt becoming S after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

      S 11kt
      < 1ft

    • Sunday

      Sunday:S wind 12 to 17 kt becoming SW in the afternoon. Winds could gust as high as 23 kt. Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 2pm. Seas 1 ft or less.

      SW 17kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind around 10 kt. Partly cloudy. Seas 1 ft or less.

      W 10kt
      < 1ft

    • Columbus Day

      Columbus Day:NW wind around 9 kt. Sunny. Seas 1 ft or less.

      NW 9kt
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

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

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Clear. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 pm EDT Oct 10, 2026
Forecast Valid: 8pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast


Tonight
SE wind 9 to 11 kt becoming S after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.
Sunday
S wind 12 to 17 kt becoming SW in the afternoon. Winds could gust as high as 23 kt. Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 2pm. Seas 1 ft or less.
Sunday Night
W wind around 10 kt. Partly cloudy. Seas 1 ft or less.
Columbus Day
NW wind around 9 kt. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Clear. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Clear. 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 76 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: 8:30 pm EDT Oct 10, 2026
Forecast Valid: 8pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
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