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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSW wind 7 to 11 kt. Mostly sunny. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Tonight

      Tonight:SW wind 7 to 10 kt becoming W after midnight. A slight chance of showers and thunderstorms, mainly between 9pm and 11pm.   Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Wednesday

      Wednesday:WNW wind 7 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 6 to 9 kt. A chance of showers and thunderstorms, mainly after 2am.   Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Thursday

      Thursday:W wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind around 9 kt. Partly cloudy. Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Friday

      Friday:W wind 5 to 8 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 7 to 11 kt. A chance of showers and thunderstorms before 2am.   Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Saturday

      Saturday:W wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      S 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Aug 11, 2026
Forecast Valid: 12pm EDT Aug 11, 2026-6pm EDT Aug 17, 2026

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Detailed Forecast


This Afternoon
SSW wind 7 to 11 kt. Mostly sunny. Seas 1 ft or less.
Tonight
SW wind 7 to 10 kt becoming W after midnight. A slight chance of showers and thunderstorms, mainly between 9pm and 11pm. Seas 1 ft or less.
Wednesday
WNW wind 7 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.
Wednesday Night
SW wind 6 to 9 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Thursday
W wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
SW wind around 9 kt. Partly cloudy. Seas 1 ft or less.
Friday
W wind 5 to 8 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
SW wind 7 to 11 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Saturday
W wind 5 to 10 kt becoming S in the afternoon. A 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: 8:32 am EDT Aug 11, 2026
Forecast Valid: 12pm EDT Aug 11, 2026-6pm EDT Aug 17, 2026
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