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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Today
E 20kt
4ft

Small Craft Advisory
Tonight
ESE 13kt
3-4ft
Monday
ENE 11kt
3ft
Monday Night
E 6kt⇓
3ft
Tuesday
⇑NE 16kt
2-3ft
Tuesday Night
NE 20kt
4ft
Wednesday
NNE 20kt
4-5ft
Wednesday Night
NNE 12kt
3-4ft
Thursday
N 11kt
3ft

Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT May 31, 2026
Forecast Valid: 11am EDT May 31, 2026-6pm EDT Jun 6, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 17 to 20 kt, with gusts as high as 26 kt. Partly sunny. Seas around 4 ft.

Tonight

ESE wind around 13 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Seas 3 to 4 ft.

Monday

ESE wind 9 to 11 kt becoming ENE in the morning. Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Seas around 3 ft.

Monday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms. Seas around 3 ft.

Tuesday

NE wind 10 to 13 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A chance of showers, then showers likely and possibly a thunderstorm after 8am. Seas 2 to 3 ft.

Tuesday Night

NE wind 18 to 20 kt. A chance of showers and thunderstorms. Seas around 4 ft.

Wednesday

NNE wind 16 to 20 kt, with gusts as high as 27 kt. A slight chance of showers before 2pm. Seas 4 to 5 ft.

Wednesday Night

NNE wind 8 to 12 kt. Mostly clear. Seas 3 to 4 ft.

Thursday

N wind 9 to 11 kt becoming NNE in the afternoon. Sunny. 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.