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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:E wind around 7 kt. Mostly clear. Seas around 2 ft.

      E 7kt
      2ft

    • Sunday

      Sunday:E wind 10 to 12 kt. Showers and thunderstorms likely, mainly before 3pm.   Seas 2 to 3 ft.

      E 12kt
      2-3ft

    • Sunday Night

      Sunday Night:SSE wind 8 to 11 kt becoming S 13 to 18 kt after midnight. Winds could gust as high as 24 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am.   Seas 3 to 4 ft.

      ⇑S 18kt
      3-4ft

    • Monday

      Monday:SSW wind 21 to 26 kt, with gusts as high as 34 kt. Showers and possibly a thunderstorm.   Seas 5 to 6 ft.

      SSW 26kt
      5-6ft

    • Monday Night

      Monday Night:WSW wind 21 to 26 kt becoming WNW after midnight. A chance of showers before 2am.   Seas 6 ft subsiding to 4 ft.

      WSW 26kt
      6ftWaves Subsiding

    • Tuesday

      Tuesday:NW wind 12 to 15 kt decreasing to 8 to 11 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      NW 15kt⇓
      2-3ft

    • Tuesday Night

      Tuesday Night:NW wind 7 to 10 kt becoming N after midnight. Mostly cloudy. Seas around 2 ft.

      N 10kt
      2ft

    • Wednesday

      Wednesday:NE wind 10 to 13 kt. Mostly sunny. Seas around 3 ft.

      NE 13kt
      3ft

    • Wednesday Night

      Wednesday Night:ENE wind around 8 kt becoming NNE after midnight. Mostly cloudy. Seas around 3 ft.

      NNE 8kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Mar 14, 2026
Forecast Valid: 12am EDT Mar 15, 2026-6pm EDT Mar 21, 2026

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Detailed Forecast


Overnight
E wind around 7 kt. Mostly clear. Seas around 2 ft.
Sunday
E wind 10 to 12 kt. Showers and thunderstorms likely, mainly before 3pm. Seas 2 to 3 ft.
Sunday Night
SSE wind 8 to 11 kt becoming S 13 to 18 kt after midnight. Winds could gust as high as 24 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Seas 3 to 4 ft.
Monday
SSW wind 21 to 26 kt, with gusts as high as 34 kt. Showers and possibly a thunderstorm. Seas 5 to 6 ft.
Monday Night
WSW wind 21 to 26 kt becoming WNW after midnight. A chance of showers before 2am. Seas 6 ft subsiding to 4 ft.
Tuesday
NW wind 12 to 15 kt decreasing to 8 to 11 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
NW wind 7 to 10 kt becoming N after midnight. Mostly cloudy. Seas around 2 ft.
Wednesday
NE wind 10 to 13 kt. Mostly sunny. Seas around 3 ft.
Wednesday Night
ENE wind around 8 kt becoming NNE after midnight. Mostly cloudy. 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: 8:32 pm EDT Mar 14, 2026
Forecast Valid: 12am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
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