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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Tonight
SW 13kt
3ft
Thursday
SW 11kt
3ft
Thursday Night
WSW 8kt⇓
3ft
Friday
E 19kt
2-3ft
Friday Night
E 12kt
3-4ft
Saturday
SSE 8kt
2ft
Saturday Night
SSE 6kt⇓
2ft
Sunday
⇑E 15kt
2-3ft
Sunday Night
ESE 12kt
3ft

Associated Zone Forecast which includes this point

Last Update: 2:40 pm EDT May 27, 2026
Forecast Valid: 6pm EDT May 27, 2026-6pm EDT Jun 3, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind around 13 kt, with gusts as high as 21 kt. Mostly cloudy. Seas around 3 ft.

Thursday

SW wind 8 to 11 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas around 3 ft.

Thursday Night

WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Showers and thunderstorms likely, mainly before 1am. Seas around 3 ft.

Friday

E wind 16 to 19 kt, with gusts as high as 25 kt. A chance of showers before 2pm. Seas 2 to 3 ft.

Friday Night

E wind 7 to 12 kt becoming SSE after midnight. A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Seas 3 to 4 ft.

Saturday

SSE wind 6 to 8 kt becoming W in the morning. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Saturday Night

SSE wind around 6 kt becoming variable and less than 5 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Sunday

E wind 9 to 12 kt increasing to 12 to 15 kt in the morning. Winds could gust as high as 21 kt. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Sunday Night

ESE wind 10 to 12 kt. A chance of showers and thunderstorms, then showers likely after 8pm. Seas around 3 ft.

Winds and seas higher in and near tstms.

*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.