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Hazardous Weather Conditions

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:SW wind around 13 kt, with gusts as high as 20 kt. Cloudy. Seas 1 ft or less.

      SW 13kt
      < 1ft

    • Thursday

      Thursday:SSW wind 13 to 16 kt, with gusts as high as 26 kt. A chance of showers, mainly after 5pm. Seas 1 ft or less.

      SSW 16kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:SSW wind 7 to 10 kt. Showers likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Friday

      Friday:SW wind around 7 kt becoming S in the afternoon. Showers. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers likely, mainly before 1am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:N wind around 6 kt becoming ENE in the afternoon. A slight chance of showers before 1pm. Seas 1 ft or less.

      N 6kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds less than 5 kt becoming NE around 6 kt after midnight. Partly cloudy. Seas 1 ft or less.

      ⇑NE 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:30 pm EST Feb 25, 2026
Forecast Valid: 12am EST Feb 26, 2026-6pm EST Mar 4, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH

Overnight
SW wind around 13 kt, with gusts as high as 20 kt. Cloudy. Seas 1 ft or less.
Thursday
SSW wind 13 to 16 kt, with gusts as high as 26 kt. A chance of showers, mainly after 5pm. Seas 1 ft or less.
Thursday Night
SSW wind 7 to 10 kt. Showers likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Seas 1 ft or less.
Friday
SW wind around 7 kt becoming S in the afternoon. Showers. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Showers likely, mainly before 1am. Seas 1 ft or less.
Saturday
N wind around 6 kt becoming ENE in the afternoon. A slight chance of showers before 1pm. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Sunday Night
Variable winds less than 5 kt becoming NE around 6 kt after midnight. Partly cloudy. Seas 1 ft or less.

*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: 7:30 pm EST Feb 25, 2026
Forecast Valid: 12am EST Feb 26, 2026-6pm EST Mar 4, 2026
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