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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.
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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
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