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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers before 10pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:ENE wind around 10 kt. Showers likely, mainly between 11am and 3pm. Seas 1 ft or less.

      ENE 10kt
      < 1ft

    • Friday Night

      Friday Night:NE wind around 6 kt. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Seas 1 ft or less.

      NE 6kt
      < 1ft

    • Saturday

      Saturday:N wind 7 to 12 kt, with gusts as high as 20 kt. Showers, with thunderstorms also possible after 8am. Seas 1 ft or less.

      N 12kt
      < 1ft

    • Saturday Night

      Saturday Night:N wind 8 to 10 kt. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Seas 1 ft or less.

      N 10kt
      < 1ft

    • Sunday

      Sunday:N wind around 9 kt. Sunny. Seas 1 ft or less.

      N 9kt
      < 1ft

    • Sunday Night

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

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSE 8kt
      < 1ft

    • Monday Night

      Monday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      S 6kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Apr 30, 2026
Forecast Valid: 8pm EDT Apr 30, 2026-6pm EDT May 7, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. A slight chance of showers before 10pm. Seas 1 ft or less.
Friday
ENE wind around 10 kt. Showers likely, mainly between 11am and 3pm. Seas 1 ft or less.
Friday Night
NE wind around 6 kt. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Seas 1 ft or less.
Saturday
N wind 7 to 12 kt, with gusts as high as 20 kt. Showers, with thunderstorms also possible after 8am. Seas 1 ft or less.
Saturday Night
N wind 8 to 10 kt. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Seas 1 ft or less.
Sunday
N wind around 9 kt. Sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. 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: 8:32 pm EDT Apr 30, 2026
Forecast Valid: 8pm EDT Apr 30, 2026-6pm EDT May 7, 2026
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