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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:NNE wind 6 to 8 kt becoming ENE in the afternoon. Mostly cloudy. Seas 1 ft or less.

      NE 8kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:NNE wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

      ⇑NNE 14kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 13 to 15 kt, with gusts as high as 23 kt. A chance of showers after 2am. Seas 1 ft or less.

      ENE 15kt
      < 1ft

    • Saturday

      Saturday:E wind 17 to 20 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 31 kt. Showers likely, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

      ⇑E 23kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 18 to 21 kt becoming SE 14 to 17 kt after midnight. Winds could gust as high as 29 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

      E 21kt⇓
      < 1ft

    • Sunday

      Sunday:SSW wind 11 to 16 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      SSW 16kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 11 to 13 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      SSW 13kt
      < 1ft

    • Columbus Day

      Columbus Day:WNW wind 9 to 11 kt. A chance of showers and thunderstorms before 8am. Seas 1 ft or less.

      WNW 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:36 am EDT Oct 8, 2026
Forecast Valid: 6am EDT Oct 8, 2026-6pm EDT Oct 14, 2026

View Nearby Observations

Detailed Forecast


Today
NNE wind 6 to 8 kt becoming ENE in the afternoon. Mostly cloudy. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Friday
NNE wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.
Friday Night
ENE wind 13 to 15 kt, with gusts as high as 23 kt. A chance of showers after 2am. Seas 1 ft or less.
Saturday
E wind 17 to 20 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 31 kt. Showers likely, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Saturday Night
E wind 18 to 21 kt becoming SE 14 to 17 kt after midnight. Winds could gust as high as 29 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Sunday
SSW wind 11 to 16 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday Night
SSW wind 11 to 13 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Columbus Day
WNW wind 9 to 11 kt. A chance of showers and thunderstorms before 8am. 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: 2:36 am EDT Oct 8, 2026
Forecast Valid: 6am EDT Oct 8, 2026-6pm EDT Oct 14, 2026
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