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]

    • This Afternoon

      This Afternoon:S wind around 11 kt. Sunny. Seas 1 ft or less.

      S 11kt
      < 1ft

    • Tonight

      Tonight:S wind 8 to 10 kt. A chance of showers and thunderstorms, mainly after 9pm. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Saturday

      Saturday:SW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. A chance of showers and thunderstorms, mainly after 10am. Seas 1 ft or less.

      ⇑SW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 7 to 10 kt. A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Sunday

      Sunday:W wind 5 to 9 kt becoming SSW in the afternoon. A chance of showers and thunderstorms before 8am. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Monday

      Monday:SW wind 5 to 8 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

      S 8kt
      < 1ft

    • Monday Night

      Monday Night:S wind around 6 kt. Partly cloudy. Seas 1 ft or less.

      S 6kt
      < 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 after 2pm. Seas 1 ft or less.

      ⇑S 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Aug 21, 2026
Forecast Valid: 2pm EDT Aug 21, 2026-6pm EDT Aug 27, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
S wind around 11 kt. Sunny. Seas 1 ft or less.
Tonight
S wind 8 to 10 kt. A chance of showers and thunderstorms, mainly after 9pm. Seas 1 ft or less.
Saturday
SW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. A chance of showers and thunderstorms, mainly after 10am. Seas 1 ft or less.
Saturday Night
SW wind 7 to 10 kt. A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Sunday
W wind 5 to 9 kt becoming SSW in the afternoon. A chance of showers and thunderstorms before 8am. Seas 1 ft or less.
Sunday Night
SW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.
Monday
SW wind 5 to 8 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
S wind around 6 kt. Partly cloudy. 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 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: 8:32 am EDT Aug 21, 2026
Forecast Valid: 2pm EDT Aug 21, 2026-6pm EDT Aug 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data