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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:WSW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.

      WSW 7kt
      < 1ft

    • Sunday

      Sunday:WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Monday

      Monday:WSW wind 8 to 10 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Monday Night

      Monday Night:W wind 5 to 8 kt becoming NE 11 to 14 kt in the evening. Winds could gust as high as 23 kt. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas 1 ft or less.

      ⇑NE 14kt
      < 1ft

    • Tuesday

      Tuesday:NE wind around 16 kt, with gusts as high as 26 kt. Partly sunny. Seas 1 ft or less.

      NE 16kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ENE wind 9 to 13 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.

      ENE 13kt
      < 1ft

    • Wednesday

      Wednesday:ENE wind around 8 kt. A chance of showers. Seas 1 ft or less.

      ENE 8kt
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 pm EDT Mar 21, 2026
Forecast Valid: 8pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026

View Nearby Observations

Detailed Forecast


Tonight
WSW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.
Sunday
WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
SW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.
Monday
WSW wind 8 to 10 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Monday Night
W wind 5 to 8 kt becoming NE 11 to 14 kt in the evening. Winds could gust as high as 23 kt. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas 1 ft or less.
Tuesday
NE wind around 16 kt, with gusts as high as 26 kt. Partly sunny. Seas 1 ft or less.
Tuesday Night
ENE wind 9 to 13 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.
Wednesday
ENE wind around 8 kt. A chance of showers. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. 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 Mar 21, 2026
Forecast Valid: 8pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
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