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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • 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:WSW wind 7 to 10 kt. A chance of showers and thunderstorms, mainly between 1am and 2am. Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind around 8 kt becoming NNE in the evening. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

      NE 8kt
      < 1ft

    • Labor Day

      Labor Day:ENE wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Seas 1 ft or less.

      ⇑ENE 18kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind 13 to 15 kt, with gusts as high as 21 kt. Showers and thunderstorms likely, mainly before 8pm. Seas 1 ft or less.

      ENE 15kt
      < 1ft

    • Tuesday

      Tuesday:ENE wind 13 to 16 kt increasing to 16 to 19 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑ENE 19kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind 8 to 13 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

      E 13kt
      < 1ft

    • Wednesday

      Wednesday:ENE wind 8 to 12 kt. A slight chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      ENE 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Sep 4, 2026
Forecast Valid: 1am EDT Sep 5, 2026-6pm EDT Sep 11, 2026

View Nearby Observations

Detailed Forecast


Saturday
Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
Saturday Night
WSW wind 7 to 10 kt. A chance of showers and thunderstorms, mainly between 1am and 2am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Sunday Night
S wind around 8 kt becoming NNE in the evening. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Labor Day
ENE wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Seas 1 ft or less.
Monday Night
ENE wind 13 to 15 kt, with gusts as high as 21 kt. Showers and thunderstorms likely, mainly before 8pm. Seas 1 ft or less.
Tuesday
ENE wind 13 to 16 kt increasing to 16 to 19 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
E wind 8 to 13 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday
ENE wind 8 to 12 kt. A slight chance of showers, with thunderstorms also possible 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 pm EDT Sep 4, 2026
Forecast Valid: 1am EDT Sep 5, 2026-6pm EDT Sep 11, 2026
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