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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SSW wind 7 to 9 kt. Sunny. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Tonight

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

      Light Wind
      < 1ft

    • Saturday

      Saturday:SSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Sunday

      Sunday:SW wind 8 to 12 kt becoming W in the afternoon. Winds could gust as high as 21 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 12kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind around 11 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.

      N 11kt
      < 1ft

    • Monday

      Monday:NNE wind 9 to 11 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

      NNE 11kt
      < 1ft

    • Monday Night

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

      Light Wind
      < 1ft

    • Tuesday

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

      NNE 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:31 am EDT Apr 17, 2026
Forecast Valid: 1pm EDT Apr 17, 2026-6pm EDT Apr 23, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SSW wind 7 to 9 kt. Sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Saturday
SSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
S wind around 9 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
SW wind 8 to 12 kt becoming W in the afternoon. Winds could gust as high as 21 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.
Sunday Night
N wind around 11 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.
Monday
NNE wind 9 to 11 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
NNE wind around 8 kt becoming E in the afternoon. Sunny. 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: 8:31 am EDT Apr 17, 2026
Forecast Valid: 1pm EDT Apr 17, 2026-6pm EDT Apr 23, 2026
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