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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • Tonight

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

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:NNE wind 8 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      ENE 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Partly sunny. Seas 1 ft or less.

      ⇑SSW 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Thursday

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

      SSW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind around 8 kt. Mostly clear. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Friday

      Friday:WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 8 kt. Partly cloudy. Seas 1 ft or less.

      SSW 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT Apr 20, 2026
Forecast Valid: 6pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
NNE wind 8 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Wednesday Night
SSW wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.
Thursday
W wind 5 to 8 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
SSW wind around 8 kt. Mostly clear. Seas 1 ft or less.
Friday
WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SSW wind around 8 kt. Partly 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: 2:35 pm EDT Apr 20, 2026
Forecast Valid: 6pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
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