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:W wind 5 to 7 kt becoming SSW. A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers and thunderstorms, mainly between 9pm and 11pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:N wind 5 to 8 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.

      N 8kt⇓
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SE 8kt
      < 1ft

    • Friday Night

      Friday Night:S wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSE 6 to 11 kt in the morning. A slight chance of showers and thunderstorms. Seas 1 ft or less.

      ⇑SSE 11kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind 6 to 10 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Sunday

      Sunday:SSW wind 7 to 10 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Seas 1 ft or less.

      ⇑SSW 16kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Jul 29, 2026
Forecast Valid: 12pm EDT Jul 29, 2026-6pm EDT Aug 4, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
W wind 5 to 7 kt becoming SSW. A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. A slight chance of showers and thunderstorms, mainly between 9pm and 11pm. Seas 1 ft or less.
Thursday
N wind 5 to 8 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
S wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSE 6 to 11 kt in the morning. A slight chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
S wind 6 to 10 kt. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Sunday
SSW wind 7 to 10 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely 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 Jul 29, 2026
Forecast Valid: 12pm EDT Jul 29, 2026-6pm EDT Aug 4, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data