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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:Variable winds less than 5 kt becoming E 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 10am. Seas 1 ft or less.

      ⇑E 8kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

      ⇑ENE 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:E wind around 6 kt becoming NE after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

      NE 6kt
      < 1ft

    • Wednesday

      Wednesday:NE wind 9 to 12 kt. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      NE 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind 11 to 13 kt. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      N 13kt
      < 1ft

    • Thursday

      Thursday:N wind 13 to 16 kt, with gusts as high as 22 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

      N 16kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind 14 to 16 kt. Partly cloudy. Seas 1 ft or less.

      N 16kt
      < 1ft

    • Friday

      Friday:N wind 10 to 14 kt, with gusts as high as 22 kt. Mostly sunny. Seas 1 ft or less.

      N 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:35 am EDT Sep 21, 2026
Forecast Valid: 6am EDT Sep 21, 2026-6pm EDT Sep 27, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming E 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 10am. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.
Tuesday Night
E wind around 6 kt becoming NE after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Wednesday
NE wind 9 to 12 kt. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Wednesday Night
N wind 11 to 13 kt. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Thursday
N wind 13 to 16 kt, with gusts as high as 22 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
N wind 14 to 16 kt. Partly cloudy. Seas 1 ft or less.
Friday
N wind 10 to 14 kt, with gusts as high as 22 kt. Mostly 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: 2:35 am EDT Sep 21, 2026
Forecast Valid: 6am EDT Sep 21, 2026-6pm EDT Sep 27, 2026
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