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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:SW wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 21 kt. Showers and thunderstorms likely, mainly before 10am. Seas 1 ft or less.

      ⇑SW 13kt
      < 1ft

    • Tonight

      Tonight:SW wind 5 to 9 kt becoming W after midnight. Increasing clouds. Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Thursday

      Thursday:N wind around 7 kt becoming ENE in the afternoon. A chance of showers, mainly before 2pm. Seas 1 ft or less.

      N 7kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A slight chance of showers before 8pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:ENE wind around 9 kt. A chance of showers. Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind around 6 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      ENE 6kt
      < 1ft

    • Saturday

      Saturday:NNE wind 8 to 11 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      NNE 11kt
      < 1ft

    • Saturday Night

      Saturday Night:N wind 7 to 9 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.

      N 9kt
      < 1ft

    • Sunday

      Sunday:N wind 7 to 10 kt becoming NE in the afternoon. Mostly sunny. Seas 1 ft or less.

      N 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Apr 29, 2026
Forecast Valid: 5am EDT Apr 29, 2026-6pm EDT May 5, 2026

View Nearby Observations

Detailed Forecast


Today
SW wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 21 kt. Showers and thunderstorms likely, mainly before 10am. Seas 1 ft or less.
Tonight
SW wind 5 to 9 kt becoming W after midnight. Increasing clouds. Seas 1 ft or less.
Thursday
N wind around 7 kt becoming ENE in the afternoon. A chance of showers, mainly before 2pm. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A slight chance of showers before 8pm. Seas 1 ft or less.
Friday
ENE wind around 9 kt. A chance of showers. Seas 1 ft or less.
Friday Night
ENE wind around 6 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Saturday
NNE wind 8 to 11 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Saturday Night
N wind 7 to 9 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.
Sunday
N wind 7 to 10 kt becoming NE in the afternoon. Mostly 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: 2:40 am EDT Apr 29, 2026
Forecast Valid: 5am EDT Apr 29, 2026-6pm EDT May 5, 2026
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