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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

This Afternoon
E 13kt
3ft
Tonight
SE 10kt
3ft
Saturday
⇑SSW 6kt
2ft
Saturday Night
⇑ENE 24kt
2-3ft
Sunday
ENE 23kt⇓
4-5ft
Sunday Night
E 12kt
3-4ft
Monday
SSE 9kt
3ft
Monday Night
S 7kt⇓
2-3ft
Tuesday
NE 10kt
2ft

Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT May 29, 2026
Forecast Valid: 3pm EDT May 29, 2026-6pm EDT Jun 5, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 13 kt. Mostly sunny. Seas around 3 ft.

Tonight

SE wind 5 to 10 kt becoming S after midnight. A slight chance of showers after 4am. Seas around 3 ft.

Saturday

Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. Seas around 2 ft.

Saturday Night

Variable winds less than 5 kt becoming ENE 19 to 24 kt after midnight. Showers and thunderstorms likely. Seas 2 to 3 ft.

Sunday

ENE wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Showers likely, mainly before 8am. Seas 4 to 5 ft.

Sunday Night

E wind 9 to 12 kt becoming SE after midnight. Showers likely after 2am. Seas 3 to 4 ft.

Monday

SSE wind around 9 kt. Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 3 ft.

Monday Night

S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Tuesday

N wind 6 to 10 kt becoming NE in the afternoon. A chance of showers and thunderstorms. Seas around 2 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.