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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 km/h becoming SE 13 to 18 km/h in the morning. Sunny. Seas 1 m or less.

      ⇑SE 18km/h
      < 1m

    • Tonight

      Tonight:SE wind 9 to 14 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Seas 1 m or less.

      SE 14km/h⇓
      < 1m

    • Wednesday

      Wednesday:Variable winds less than 5 km/h becoming SE 9 to 14 km/h in the afternoon. Mostly sunny. Seas 1 m or less.

      ⇑SE 14km/h
      < 1m

    • Wednesday Night

      Wednesday Night:S wind 5 to 10 km/h. Mostly clear. Seas 1 m or less.

      S 10km/h
      < 1m

    • Thursday

      Thursday:Variable winds less than 5 km/h becoming SSE 13 to 18 km/h in the morning. Sunny. Seas 1 m or less.

      ⇑SSE 18km/h
      < 1m

    • Thursday Night

      Thursday Night:SSE wind 8 to 11 km/h decreasing to 5 to 8 km/h after midnight. A slight chance of showers and thunderstorms after 2am.   Seas 1 m or less.

      SSE 11km/h⇓
      < 1m

    • Friday

      Friday:SE wind 5 to 10 km/h increasing to 13 to 18 km/h. A chance of showers and thunderstorms, mainly between 8am and 2pm.   Seas 1 m or less.

      ⇑SE 18km/h
      < 1m

    • Friday Night

      Friday Night:SSE wind 11 to 13 km/h. Partly cloudy. Seas 1 m or less.

      SSE 13km/h
      < 1m

    • Saturday

      Saturday:S wind 10 to 13 km/h increasing to 15 to 18 km/h in the afternoon. A slight chance of showers and thunderstorms before 2pm.   Seas 1 m or less.

      ⇑S 18km/h
      < 1m


Associated Zone Forecast which includes this point

Last Update: 8:33 am EDT May 19, 2026
Forecast Valid: 9am EDT May 19, 2026-6pm EDT May 25, 2026

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Detailed Forecast


Today
Variable winds less than 5 km/h becoming SE 13 to 18 km/h in the morning. Sunny. Seas 1 m or less.
Tonight
SE wind 9 to 14 km/h becoming variable and less than 5 km/h after midnight. Mostly clear. Seas 1 m or less.
Wednesday
Variable winds less than 5 km/h becoming SE 9 to 14 km/h in the afternoon. Mostly sunny. Seas 1 m or less.
Wednesday Night
S wind 5 to 10 km/h. Mostly clear. Seas 1 m or less.
Thursday
Variable winds less than 5 km/h becoming SSE 13 to 18 km/h in the morning. Sunny. Seas 1 m or less.
Thursday Night
SSE wind 8 to 11 km/h decreasing to 5 to 8 km/h after midnight. A slight chance of showers and thunderstorms after 2am. Seas 1 m or less.
Friday
SE wind 5 to 10 km/h increasing to 13 to 18 km/h. A chance of showers and thunderstorms, mainly between 8am and 2pm. Seas 1 m or less.
Friday Night
SSE wind 11 to 13 km/h. Partly cloudy. Seas 1 m or less.
Saturday
S wind 10 to 13 km/h increasing to 15 to 18 km/h in the afternoon. A slight chance of showers and thunderstorms before 2pm. Seas 1 m 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: 8:33 am EDT May 19, 2026
Forecast Valid: 9am EDT May 19, 2026-6pm EDT May 25, 2026
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