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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Thursday
SW 18kt
3-4ft

Small Craft Advisory
Thursday Night
WSW 11kt
2-3ft
Friday
NNE 13kt
2ft
Friday Night
ESE 6kt
2ft
Saturday
⇑SSW 12kt
2ft
Saturday Night
SSW 10kt
2ft
Sunday
⇑SSW 9kt
2ft
Sunday Night
SSW 8kt
2ft
Monday
W 10kt
2-3ft

Associated Zone Forecast which includes this point

Last Update: 2:41 am EDT May 7, 2026
Forecast Valid: 4am EDT May 7, 2026-6pm EDT May 13, 2026

View Nearby Observations

Detailed Forecast

Thursday

SW wind 16 to 18 kt, with gusts as high as 26 kt. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 3 to 4 ft.

Thursday Night

WSW wind 9 to 11 kt becoming NNE after midnight. A chance of thunderstorms before 8pm. Seas 2 to 3 ft.

Friday

NNE wind 10 to 13 kt becoming E in the afternoon. Mostly sunny. Seas around 2 ft.

Friday Night

ESE wind around 6 kt becoming SSE after midnight. A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Seas around 2 ft.

Saturday

Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. A chance of showers and thunderstorms. Seas around 2 ft.

Saturday Night

SSW wind 5 to 10 kt. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas around 2 ft.

Sunday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Sunday Night

SSW wind around 8 kt becoming WSW after midnight. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Seas around 2 ft.

Monday

W wind 8 to 10 kt. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. 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.