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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 11 to 14 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

      WSW 14kt
      < 1ft

    • Tonight

      Tonight:SSW wind around 11 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Thursday

      Thursday:SW wind 11 to 14 kt, with gusts as high as 23 kt. A chance of showers.   Seas 1 ft or less.

      SW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind around 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1am.   Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Friday

      Friday:SSW wind 7 to 9 kt. Showers.   Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers, with thunderstorms also possible after 1am.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

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

      NNE 6kt
      < 1ft

    • Saturday Night

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

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑E 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:33 am EST Feb 25, 2026
Forecast Valid: 7am EST Feb 25, 2026-6pm EST Mar 3, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

Today
WSW wind 11 to 14 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.
Tonight
SSW wind around 11 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.
Thursday
SW wind 11 to 14 kt, with gusts as high as 23 kt. A chance of showers. Seas 1 ft or less.
Thursday Night
SSW wind around 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.
Friday
SSW wind 7 to 9 kt. Showers. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Showers, with thunderstorms also possible after 1am. Seas 1 ft or less.
Saturday
NNE wind around 6 kt becoming ENE in the afternoon. A chance of showers, mainly before 1pm. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

Winds and seas higher in and near tstms.

*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: 32.81°N 79.73°W
Last Update: 7:33 am EST Feb 25, 2026
Forecast Valid: 7am EST Feb 25, 2026-6pm EST Mar 3, 2026
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