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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 S 5 to 7 kt in the afternoon. A slight chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Tonight

      Tonight:SW wind around 6 kt. Partly cloudy. Seas 1 ft or less.

      SW 6kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Patchy fog between 7am and 8am. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Thursday

      Thursday:SSW wind 10 to 13 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      W 13kt
      < 1ft

    • Thursday Night

      Thursday Night:NNE wind around 12 kt, with gusts as high as 21 kt. Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Seas 1 ft or less.

      NNE 12kt
      < 1ft

    • Friday

      Friday:ENE wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.

      ENE 10kt
      < 1ft

    • Friday Night

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

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming E 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑E 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Mar 10, 2026
Forecast Valid: 9am EDT Mar 10, 2026-6pm EDT Mar 16, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A slight chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.
Tonight
SW wind around 6 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Patchy fog between 7am and 8am. Seas 1 ft or less.
Wednesday Night
SSW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 ft or less.
Thursday
SSW wind 10 to 13 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Thursday Night
NNE wind around 12 kt, with gusts as high as 21 kt. Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Seas 1 ft or less.
Friday
ENE wind 7 to 10 kt. Mostly sunny. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming E 5 to 7 kt in the afternoon. 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: 8:32 am EDT Mar 10, 2026
Forecast Valid: 9am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
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