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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Tonight

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

      SSE 6kt⇓
      < 1ft

    • Friday

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

      ⇑SSE 8kt
      < 1ft

    • Friday Night

      Friday Night:S wind 5 to 7 kt becoming SW after midnight. Mostly clear. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Sunday

      Sunday:NW wind 5 to 7 kt becoming E in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      E 7kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind around 9 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      ENE 9kt
      < 1ft

    • Labor Day

      Labor Day:ENE wind 12 to 15 kt increasing to 16 to 19 kt in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Seas 1 ft or less.

      ⇑ENE 19kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind 13 to 15 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      ENE 15kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 pm EDT Sep 3, 2026
Forecast Valid: 10pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. Sunny. Seas 1 ft or less.
Friday Night
S wind 5 to 7 kt becoming SW after midnight. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
Saturday Night
SW wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Sunday
NW wind 5 to 7 kt becoming E in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Sunday Night
ENE wind around 9 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Labor Day
ENE wind 12 to 15 kt increasing to 16 to 19 kt in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Seas 1 ft or less.
Monday Night
ENE wind 13 to 15 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms. 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: 8:30 pm EDT Sep 3, 2026
Forecast Valid: 10pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
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