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Hazardous Weather Conditions

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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:NE wind around 14 kt, with gusts as high as 20 kt. Partly sunny. Seas 1 ft or less.

      NE 14kt
      < 1ft

    • Tonight

      Tonight:NE wind 5 to 8 kt becoming variable and less than 5 kt. Mostly cloudy. Seas 1 ft or less.

      NE 8kt⇓
      < 1ft

    • Thursday

      Thursday:NNE wind around 7 kt becoming ENE in the afternoon. Mostly cloudy. Seas 1 ft or less.

      NE 7kt
      < 1ft

    • Thursday Night

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

      Light Wind
      < 1ft

    • Friday

      Friday:ENE wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A slight chance of showers after 2pm. Seas 1 ft or less.

      ⇑ENE 13kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind around 13 kt, with gusts as high as 21 kt. Showers likely, mainly after 2am. Seas 1 ft or less.

      ENE 13kt
      < 1ft

    • Saturday

      Saturday:E wind 15 to 18 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 28 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

      ⇑E 21kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

      ESE 21kt⇓
      < 1ft

    • Sunday

      Sunday:SSE wind 14 to 18 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      SSE 18kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 9:50 am EDT Oct 7, 2026
Forecast Valid: 12pm EDT Oct 7, 2026-6pm EDT Oct 13, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NE wind around 14 kt, with gusts as high as 20 kt. Partly sunny. Seas 1 ft or less.
Tonight
NE wind 5 to 8 kt becoming variable and less than 5 kt. Mostly cloudy. Seas 1 ft or less.
Thursday
NNE wind around 7 kt becoming ENE in the afternoon. Mostly cloudy. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Friday
ENE wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A slight chance of showers after 2pm. Seas 1 ft or less.
Friday Night
ENE wind around 13 kt, with gusts as high as 21 kt. Showers likely, mainly after 2am. Seas 1 ft or less.
Saturday
E wind 15 to 18 kt increasing to 18 to 21 kt in the afternoon. Winds could gust as high as 28 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Saturday Night
ESE wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.
Sunday
SSE wind 14 to 18 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. 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: 9:50 am EDT Oct 7, 2026
Forecast Valid: 12pm EDT Oct 7, 2026-6pm EDT Oct 13, 2026
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