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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]

    • Today

      Today:WSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Seas 1 ft or less.

      ⇑WSW 15kt
      < 1ft

    • Tonight

      Tonight:SSW wind 7 to 10 kt. Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 ft or less.

      ⇑S 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind around 9 kt. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Wednesday

      Wednesday:S wind 6 to 10 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 7 to 9 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSE 9kt
      < 1ft

    • Thursday Night

      Thursday Night:SSE wind 5 to 7 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SSE 7kt
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. A chance of showers and thunderstorms, mainly before 2pm. Seas 1 ft or less.

      ⇑SE 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 5:38 am EDT Aug 3, 2026
Forecast Valid: 6am EDT Aug 3, 2026-6pm EDT Aug 9, 2026

View Nearby Observations

Detailed Forecast


Today
WSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Seas 1 ft or less.
Tonight
SSW wind 7 to 10 kt. Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 ft or less.
Tuesday Night
S wind around 9 kt. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Wednesday
S wind 6 to 10 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Seas 1 ft or less.
Wednesday Night
S wind 7 to 9 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Thursday Night
SSE wind 5 to 7 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. A chance of showers and thunderstorms, mainly before 2pm. 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: 5:38 am EDT Aug 3, 2026
Forecast Valid: 6am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
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