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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. A slight chance of showers and thunderstorms after 5pm.   Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 8 kt. A slight chance of showers and thunderstorms, mainly between 8pm and midnight.   Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 4pm.   Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind around 7 kt. A slight chance of showers and thunderstorms before 8pm.   Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Monday

      Monday:W wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 7 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Tuesday

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

      ⇑S 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before 2am.   Seas 1 ft or less.

      S 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      ⇑SE 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Aug 15, 2026
Forecast Valid: 8am EDT Aug 15, 2026-6pm EDT Aug 21, 2026

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Detailed Forecast


Today
W wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Tonight
SSW wind 5 to 8 kt. A slight chance of showers and thunderstorms, mainly between 8pm and midnight. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 4pm. Seas 1 ft or less.
Sunday Night
SW wind around 7 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Monday
W wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
SSW wind 7 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. 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 15, 2026
Forecast Valid: 8am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
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