National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

For More Weather Information:

Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:WSW wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Tonight

      Tonight:SW wind 8 to 10 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind 6 to 11 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly between 7pm and 2am. Seas 1 ft or less.

      SW 9kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind around 6 kt becoming SW after midnight. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      S 6kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑S 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 7 to 9 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑S 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT Aug 14, 2026
Forecast Valid: 10am EDT Aug 14, 2026-6pm EDT Aug 20, 2026

View Nearby Observations

Detailed Forecast


Today
WSW wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tonight
SW wind 8 to 10 kt. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Saturday
WSW wind 6 to 11 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
SW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly between 7pm and 2am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Sunday Night
S wind around 6 kt becoming SW after midnight. A slight chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
SSW wind 7 to 9 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A slight chance of showers and thunderstorms after 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 32.81°N 79.73°W
Last Update: 8:30 am EDT Aug 14, 2026
Forecast Valid: 10am EDT Aug 14, 2026-6pm EDT Aug 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data