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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Today
Light Wind
2ft
Tonight
⇑ENE 19kt
2ft

Small Craft Advisory
Sunday
E 23kt⇓
4-5ft

Small Craft Advisory
Sunday Night
E 13kt
3-4ft

Small Craft Advisory
Monday
ESE 12kt
3ft
Monday Night
ESE 6kt⇓
3ft
Tuesday
NE 10kt
2-3ft
Tuesday Night
NE 12kt
3ft
Wednesday
NNE 13kt
3ft

Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT May 30, 2026
Forecast Valid: 7am EDT May 30, 2026-6pm EDT Jun 5, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Seas around 2 ft.

Tonight

Variable winds less than 5 kt becoming ENE 14 to 19 kt after midnight. A chance of showers and thunderstorms, then showers likely after 3am. Seas around 2 ft.

Sunday

E wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. A slight chance of showers before 8am. Seas 4 to 5 ft.

Sunday Night

E wind 11 to 13 kt becoming SE after midnight. Showers likely and possibly a thunderstorm after 2am. Seas 3 to 4 ft.

Monday

ESE wind around 12 kt. Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 3 ft.

Monday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly after 2am. Seas around 3 ft.

Tuesday

N wind 6 to 10 kt becoming NE in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Seas 2 to 3 ft.

Tuesday Night

NE wind 10 to 12 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas around 3 ft.

Wednesday

NNE wind around 13 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas around 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.