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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind 10 to 12 kt. Sunny. Seas around 2 ft.

      S 12kt
      2ft

    • Tonight

      Tonight:S wind 5 to 10 kt becoming variable and less than 5 kt after midnight. A slight chance of showers between 3am and 5am.   Seas 2 to 3 ft.

      S 10kt⇓
      2-3ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSE 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 11am.   Seas around 3 ft.

      ⇑SSE 10kt
      3ft

    • Friday Night

      Friday Night:S wind 6 to 8 kt. A chance of showers and thunderstorms after 2am.   Seas around 3 ft.

      S 8kt
      3ft

    • Saturday

      Saturday:S wind 6 to 9 kt. A chance of showers and thunderstorms, mainly between 11am and 2pm.   Seas around 3 ft.

      S 9kt
      3ft

    • Saturday Night

      Saturday Night:S wind around 7 kt. A slight chance of showers before 8pm, then a chance of showers and thunderstorms after 2am.   Seas around 3 ft.

      S 7kt
      3ft

    • Sunday

      Sunday:S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly before 2pm.   Seas 2 to 3 ft.

      S 10kt
      2-3ft

    • Sunday Night

      Sunday Night:S wind around 8 kt. A slight chance of showers and thunderstorms.   Seas around 3 ft.

      S 8kt
      3ft

    • Memorial Day

      Memorial Day:S wind 6 to 11 kt. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm.   Seas around 3 ft.

      S 11kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT May 21, 2026
Forecast Valid: 1pm EDT May 21, 2026-6pm EDT May 27, 2026

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Detailed Forecast


This Afternoon
S wind 10 to 12 kt. Sunny. Seas around 2 ft.
Tonight
S wind 5 to 10 kt becoming variable and less than 5 kt after midnight. A slight chance of showers between 3am and 5am. Seas 2 to 3 ft.
Friday
Variable winds less than 5 kt becoming SSE 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 11am. Seas around 3 ft.
Friday Night
S wind 6 to 8 kt. A chance of showers and thunderstorms after 2am. Seas around 3 ft.
Saturday
S wind 6 to 9 kt. A chance of showers and thunderstorms, mainly between 11am and 2pm. Seas around 3 ft.
Saturday Night
S wind around 7 kt. A slight chance of showers before 8pm, then a chance of showers and thunderstorms after 2am. Seas around 3 ft.
Sunday
S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly before 2pm. Seas 2 to 3 ft.
Sunday Night
S wind around 8 kt. A slight chance of showers and thunderstorms. Seas around 3 ft.
Memorial Day
S wind 6 to 11 kt. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Seas around 3 ft.

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: 33.01°N 79.35°W
Last Update: 8:30 am EDT May 21, 2026
Forecast Valid: 1pm EDT May 21, 2026-6pm EDT May 27, 2026
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