For More Weather Information:

Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WSW wind 7 to 10 kt becoming SSW. A slight chance of showers and thunderstorms after 4pm.   Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Tonight

      Tonight:SW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      SW 9kt⇓
      < 1ft

    • Wednesday

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

      ⇑SE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      SSE 6kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind around 8 kt. Mostly clear. Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Friday

      Friday:S wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑S 12kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind 8 to 10 kt. A chance of showers and thunderstorms, mainly before 2am.   Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Saturday

      Saturday:SW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm.   Seas 1 ft or less.

      ⇑SW 13kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Aug 18, 2026
Forecast Valid: 1pm EDT Aug 18, 2026-6pm EDT Aug 24, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
WSW wind 7 to 10 kt becoming SSW. A slight chance of showers and thunderstorms after 4pm. Seas 1 ft or less.
Tonight
SW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Wednesday Night
SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
SSW wind around 8 kt. Mostly clear. Seas 1 ft or less.
Friday
S wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SSW wind 8 to 10 kt. A chance of showers and thunderstorms, mainly before 2am. Seas 1 ft or less.
Saturday
SW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. 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...

ABOUT THIS FORECAST

Point Forecast: 32.81°N 79.73°W
Last Update: 8:32 am EDT Aug 18, 2026
Forecast Valid: 1pm EDT Aug 18, 2026-6pm EDT Aug 24, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data