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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

This Afternoon
SSW 10kt
2ft
Tonight
SW 8kt⇓
2ft
Sunday
⇑SSW 7kt
2ft
Sunday Night
SSW 7kt⇓
2ft
Monday
⇑SW 9kt
1-2ft
Monday Night
⇑NNE 17kt
2ft
Tuesday
NE 20kt⇓
3-4ft
Tuesday Night
E 11kt⇓
3-4ft
Wednesday
⇑SSE 9kt
2-3ft

Associated Zone Forecast which includes this point

Last Update: 2:37 pm EDT May 9, 2026
Forecast Valid: 3pm EDT May 9, 2026-6pm EDT May 16, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 10 kt. A slight chance of showers and thunderstorms. Seas around 2 ft.

Tonight

SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly after 3am. Seas around 2 ft.

Sunday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Seas around 2 ft.

Sunday Night

SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms after 2am. Seas around 2 ft.

Monday

Variable winds less than 5 kt becoming SW 5 to 9 kt in the morning. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Seas 1 to 2 ft.

Monday Night

N wind 8 to 11 kt becoming NNE 14 to 17 kt in the evening. Winds could gust as high as 23 kt. Showers and possibly a thunderstorm before 11pm, then showers likely. Seas around 2 ft.

Tuesday

NE wind 17 to 20 kt decreasing to 13 to 16 kt in the afternoon. Winds could gust as high as 26 kt. A chance of showers before 8am. Seas 3 to 4 ft.

Tuesday Night

E wind 8 to 11 kt decreasing to 5 to 8 kt after midnight. Mostly clear. Seas 3 to 4 ft.

Wednesday

Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. Sunny. Seas 2 to 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.