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Hazardous Weather Conditions

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:NE wind 17 to 19 kt, with gusts as high as 30 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      NE 19kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNE wind 14 to 16 kt, with gusts as high as 28 kt. Showers and thunderstorms likely. Seas 1 ft or less.

      NNE 16kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:NNE wind 16 to 18 kt, with gusts as high as 27 kt. Showers likely, mainly before 7am. Seas 1 ft or less.

      NNE 18kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:N wind around 16 kt, with gusts as high as 25 kt. A chance of showers. Seas 1 ft or less.

      N 16kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:N wind around 14 kt, with gusts as high as 22 kt. A slight chance of showers. Seas 1 ft or less.

      N 14kt
      < 1ft

    • Sunday Night

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

      N 10kt
      < 1ft

    • Columbus Day

      Columbus Day:NNW wind 8 to 10 kt becoming WNW in the afternoon. Sunny. Seas 1 ft or less.

      WNW 10kt
      < 1ft

    • Monday Night

      Monday Night:WSW wind around 7 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.

      WSW 7kt
      < 1ft

    • Tuesday

      Tuesday:N wind 8 to 10 kt. Sunny. Seas 1 ft or less.

      N 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:35 am EDT Oct 10, 2025
Forecast Valid: 5am EDT Oct 10, 2025-6pm EDT Oct 16, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT...

Today
NE wind 17 to 19 kt, with gusts as high as 30 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Tonight
NNE wind 14 to 16 kt, with gusts as high as 28 kt. Showers and thunderstorms likely. Seas 1 ft or less.
Saturday
NNE wind 16 to 18 kt, with gusts as high as 27 kt. Showers likely, mainly before 7am. Seas 1 ft or less.
Saturday Night
N wind around 16 kt, with gusts as high as 25 kt. A chance of showers. Seas 1 ft or less.
Sunday
N wind around 14 kt, with gusts as high as 22 kt. A slight chance of showers. Seas 1 ft or less.
Sunday Night
N wind around 10 kt. Partly cloudy. Seas 1 ft or less.
Columbus Day
NNW wind 8 to 10 kt becoming WNW in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
WSW wind around 7 kt becoming NW after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
N wind 8 to 10 kt. Sunny. 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: 2:35 am EDT Oct 10, 2025
Forecast Valid: 5am EDT Oct 10, 2025-6pm EDT Oct 16, 2025
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