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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SSW wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Sunday

      Sunday:SW wind 7 to 12 kt becoming NNW in the afternoon. A slight chance of showers after 3pm.   Seas 1 ft or less.

      NNW 12kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind around 9 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

      N 9kt
      < 1ft

    • Monday

      Monday:NNE wind 6 to 9 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      NNE 9kt
      < 1ft

    • Monday Night

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

      NNW 7kt
      < 1ft

    • Tuesday

      Tuesday:NNE wind around 9 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      NNE 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      ESE 6kt⇓
      < 1ft

    • Wednesday

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

      ⇑SSW 9kt
      < 1ft

    • Wednesday Night

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

      SSW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Apr 18, 2026
Forecast Valid: 12am EDT Apr 19, 2026-6pm EDT Apr 25, 2026

View Nearby Observations

Detailed Forecast


Overnight
SSW wind around 9 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
SW wind 7 to 12 kt becoming NNW in the afternoon. A slight chance of showers after 3pm. Seas 1 ft or less.
Sunday Night
N wind around 9 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.
Monday
NNE wind 6 to 9 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
S wind 5 to 7 kt becoming NNW after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
NNE wind around 9 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Wednesday Night
SSW wind around 9 kt. Mostly clear. Seas 1 ft or less.

*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 Apr 18, 2026
Forecast Valid: 12am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
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