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Hazardous Weather Conditions

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Late Afternoon

      Late Afternoon:E wind around 6 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      E 6kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers and thunderstorms before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:WSW wind 5 to 8 kt becoming WNW 12 to 17 kt in the morning. Showers and thunderstorms likely before 8am, then a chance of showers between 8am and 10am. Seas 1 ft or less.

      ⇑WNW 17kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:WNW wind 15 to 18 kt, with gusts as high as 24 kt. Mostly clear. Seas 1 ft or less.

      WNW 18kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:WNW wind around 15 kt, with gusts as high as 22 kt. Sunny. Seas 1 ft or less.

      WNW 15kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NW wind 10 to 12 kt. Mostly clear. Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Tuesday

      Tuesday:NW wind 6 to 8 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

      NW 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 7 to 9 kt. Partly cloudy. Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 10 to 14 kt, with gusts as high as 20 kt. Partly sunny. Seas 1 ft or less.

      SSW 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:33 pm EST Feb 21, 2026
Forecast Valid: 5pm EST Feb 21, 2026-6pm EST Feb 28, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH

Late Afternoon
E wind around 6 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Showers and thunderstorms before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Seas 1 ft or less.
Sunday
WSW wind 5 to 8 kt becoming WNW 12 to 17 kt in the morning. Showers and thunderstorms likely before 8am, then a chance of showers between 8am and 10am. Seas 1 ft or less.
Sunday Night
WNW wind 15 to 18 kt, with gusts as high as 24 kt. Mostly clear. Seas 1 ft or less.
Monday
WNW wind around 15 kt, with gusts as high as 22 kt. Sunny. Seas 1 ft or less.
Monday Night
NW wind 10 to 12 kt. Mostly clear. Seas 1 ft or less.
Tuesday
NW wind 6 to 8 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
SW wind 7 to 9 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 10 to 14 kt, with gusts as high as 20 kt. Partly sunny. 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: 1:33 pm EST Feb 21, 2026
Forecast Valid: 5pm EST Feb 21, 2026-6pm EST Feb 28, 2026
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