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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Tonight
SSW 11kt
2ft
Sunday
⇑E 8kt
2ft
Sunday Night
ENE 10kt
2ft
Labor Day
ENE 19kt
2-3ft
Monday Night
ENE 19kt
4ft
Tuesday
ENE 19kt
4ft
Tuesday Night
E 15kt
4ft
Wednesday
ENE 12kt
3ft
Wednesday Night
E 6kt⇓
2-3ft

Associated Zone Forecast which includes this point

Last Update: 6:37 pm EDT Sep 5, 2026
Forecast Valid: 7pm EDT Sep 5, 2026-6pm EDT Sep 12, 2026

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Detailed Forecast

Tonight

SSW wind 7 to 11 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly between 1am and 5am. Some of the storms could be severe. Seas around 2 ft.

Sunday

Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.

Sunday Night

ENE wind 8 to 10 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 10pm, then a chance of showers and thunderstorms after 10pm. Seas around 2 ft.

Labor Day

ENE wind 16 to 19 kt. Showers likely and possibly a thunderstorm. Seas 2 to 3 ft.

Monday Night

ENE wind 17 to 19 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Seas around 4 ft.

Tuesday

ENE wind 17 to 19 kt. A chance of showers and thunderstorms. Seas around 4 ft.

Tuesday Night

E wind 11 to 15 kt, with gusts as high as 21 kt. A slight chance of showers and thunderstorms. Seas around 4 ft.

Wednesday

ENE wind 10 to 12 kt. A slight chance of showers, with thunderstorms also possible after 2pm. Seas around 3 ft.

Wednesday Night

E wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of thunderstorms before 8pm. Seas 2 to 3 ft.

*Notices:

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.
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.