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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 11pm and 2am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E around 6 kt in the afternoon. A chance of showers and thunderstorms, mainly between 1pm and 4pm. Seas 1 ft or less.

      ⇑E 6kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. A slight chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

      ⇑ESE 6kt
      < 1ft

    • Monday Night

      Monday Night: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 9 kt in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Seas 1 ft or less.

      ⇑ENE 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NE wind around 7 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      NE 7kt
      < 1ft

    • Wednesday

      Wednesday:NE wind 12 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      NE 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:45 am EDT Sep 19, 2026
Forecast Valid: 5am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 11pm and 2am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming E around 6 kt in the afternoon. A chance of showers and thunderstorms, mainly between 1pm and 4pm. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. A slight chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.
Monday Night
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 9 kt in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Seas 1 ft or less.
Tuesday Night
NE wind around 7 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday
NE wind 12 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. 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: 2:45 am EDT Sep 19, 2026
Forecast Valid: 5am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
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