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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

      SW 9kt
      < 1ft

    • Tonight

      Tonight:WSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers, mainly between 3am and 4am.   Seas 1 ft or less.

      WSW 7kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Showers, with thunderstorms also possible after 4pm.   Seas 1 ft or less.

      ⇑SSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:N wind 6 to 8 kt. Showers and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am.   Seas 1 ft or less.

      N 8kt
      < 1ft

    • Sunday

      Sunday:N wind 5 to 8 kt. Mostly sunny. Seas 1 ft or less.

      N 8kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds less than 5 kt becoming NE around 6 kt in the evening. Mostly cloudy. Seas 1 ft or less.

      ⇑NE 6kt
      < 1ft

    • Monday

      Monday:NE wind around 6 kt. Sunny. Seas 1 ft or less.

      NE 6kt
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:30 pm EST Jan 2, 2026
Forecast Valid: 3pm EST Jan 2, 2026-6pm EST Jan 9, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SW wind around 9 kt. Mostly cloudy. Seas 1 ft or less.
Tonight
WSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers, mainly between 3am and 4am. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Showers, with thunderstorms also possible after 4pm. Seas 1 ft or less.
Saturday Night
N wind 6 to 8 kt. Showers and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Seas 1 ft or less.
Sunday
N wind 5 to 8 kt. Mostly sunny. Seas 1 ft or less.
Sunday Night
Variable winds less than 5 kt becoming NE around 6 kt in the evening. Mostly cloudy. Seas 1 ft or less.
Monday
NE wind around 6 kt. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Partly sunny. 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.
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ABOUT THIS FORECAST

Point Forecast: 32.81°N 79.73°W
Last Update: 1:30 pm EST Jan 2, 2026
Forecast Valid: 3pm EST Jan 2, 2026-6pm EST Jan 9, 2026
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