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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Today
SSW 10kt
2-3ft
Tonight
SW 8kt
2ft
Saturday
⇑SSW 12kt
2ft
Saturday Night
S 12kt
2-3ft
Sunday
W 16kt
3ft
Sunday Night
NNE 17kt
3ft
Monday
NNE 19kt⇓
3-4ft
Monday Night
NNW 8kt
2-3ft
Tuesday
NNE 11kt
2-3ft

Associated Zone Forecast which includes this point

Last Update: 4:42 am EDT Apr 17, 2026
Forecast Valid: 6am EDT Apr 17, 2026-6pm EDT Apr 23, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 8 to 10 kt. Sunny. Seas 2 to 3 ft.

Tonight

SW wind 6 to 8 kt. Mostly clear. Seas around 2 ft.

Saturday

SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas around 2 ft.

Saturday Night

S wind around 12 kt. Mostly cloudy. Seas 2 to 3 ft.

Sunday

SW wind 11 to 16 kt becoming W in the afternoon. Winds could gust as high as 22 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas around 3 ft.

Sunday Night

NNE wind around 17 kt, with gusts as high as 24 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas around 3 ft.

Monday

NNE wind 14 to 19 kt becoming ENE 9 to 12 kt in the afternoon. Sunny. Seas 3 to 4 ft.

Monday Night

SE wind 6 to 8 kt becoming NW after midnight. Clear. Seas 2 to 3 ft.

Tuesday

NNE wind around 11 kt becoming E 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.