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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming SE 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 9am.   Seas 1 ft or less.

      ⇑SE 10kt
      < 1ft

    • Tonight

      Tonight:SSE wind 5 to 8 kt. A slight chance of showers and thunderstorms after 3am.   Seas 1 ft or less.

      SSE 8kt
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. Showers and thunderstorms likely, mainly before 4pm.   Seas 1 ft or less.

      ⇑SSE 8kt
      < 1ft

    • Saturday Night

      Saturday Night:SSE wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly after 2am.   Seas 1 ft or less.

      SSE 6kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. A chance of showers and thunderstorms.   Seas 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind around 7 kt. A chance of showers and thunderstorms after 2am.   Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Monday

      Monday:WSW wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms.   Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind around 9 kt. A slight chance of showers and thunderstorms.   Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 7 to 12 kt. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      WSW 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Aug 7, 2026
Forecast Valid: 5am EDT Aug 7, 2026-6pm EDT Aug 13, 2026

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Detailed Forecast


Today
Variable winds less than 5 kt becoming SE 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 9am. Seas 1 ft or less.
Tonight
SSE wind 5 to 8 kt. A slight chance of showers and thunderstorms after 3am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. Showers and thunderstorms likely, mainly before 4pm. Seas 1 ft or less.
Saturday Night
SSE wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday Night
SSW wind around 7 kt. A chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Monday
WSW wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday Night
SSW wind around 9 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday
WSW wind 7 to 12 kt. A slight chance of showers and thunderstorms after 2pm. 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 Aug 7, 2026
Forecast Valid: 5am EDT Aug 7, 2026-6pm EDT Aug 13, 2026
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