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

Hazardous Weather Conditions

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 6 kt. Patchy fog after 1pm. Seas 1 ft or less.

      S 6kt
      < 1ft

    • Tonight

      Tonight:Variable winds less than 5 kt becoming SSW around 6 kt in the evening. Patchy fog. Seas 1 ft or less.

      ⇑SSW 6kt
      < 1ft

    • Sunday

      Sunday:SSW wind 7 to 10 kt. A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy dense fog before 7am. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 5 to 7 kt. A chance of showers and thunderstorms before 4am, then a slight chance of showers. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Seas 1 ft or less.

      ⇑SSW 8kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 6 kt. A slight chance of showers after 1am. Seas 1 ft or less.

      SW 6kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 5 to 9 kt. A slight chance of showers. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 6 kt. Partly cloudy. Seas 1 ft or less.

      SSW 6kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 10:13 am EST Mar 7, 2026
Forecast Valid: 12pm EST Mar 7, 2026-6pm EDT Mar 13, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

This Afternoon
S wind around 6 kt. Patchy fog after 1pm. Seas 1 ft or less.
Tonight
Variable winds less than 5 kt becoming SSW around 6 kt in the evening. Patchy fog. Seas 1 ft or less.
Sunday
SSW wind 7 to 10 kt. A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy dense fog before 7am. Seas 1 ft or less.
Sunday Night
SW wind 5 to 7 kt. A chance of showers and thunderstorms before 4am, then a slight chance of showers. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Seas 1 ft or less.
Monday Night
SW wind around 6 kt. A slight chance of showers after 1am. Seas 1 ft or less.
Tuesday
SSW wind 5 to 9 kt. A slight chance of showers. Seas 1 ft or less.
Tuesday Night
SSW wind around 6 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

*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: 10:13 am EST Mar 7, 2026
Forecast Valid: 12pm EST Mar 7, 2026-6pm EDT Mar 13, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data