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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Today
SE 6kt
2ft
Tonight
S 6kt
2ft
Wednesday
⇑SSW 17kt
2-3ft
Wednesday Night
SW 15kt⇓
3ft
Thursday
NNW 11kt
2-3ft
Thursday Night
NE 6kt
2ft
Friday
NE 11kt
2ft
Friday Night
E 6kt
2ft
Saturday
⇑SW 18kt
3-4ft

Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Apr 28, 2026
Forecast Valid: 11am EDT Apr 28, 2026-6pm EDT May 4, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind around 6 kt becoming SSE in the afternoon. Mostly sunny. Seas around 2 ft.

Tonight

S wind around 6 kt. Partly cloudy. Seas around 2 ft.

Wednesday

SSW wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 24 kt. Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Seas 2 to 3 ft.

Wednesday Night

SW wind 12 to 15 kt decreasing to 9 to 12 kt after midnight. A chance of showers and thunderstorms. Seas around 3 ft.

Thursday

NNW wind 8 to 11 kt becoming N in the afternoon. A chance of showers, mainly before 2pm. Seas 2 to 3 ft.

Thursday Night

NE wind around 6 kt. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Seas around 2 ft.

Friday

NE wind around 11 kt becoming E in the afternoon. A chance of showers, mainly after 2pm. Seas around 2 ft.

Friday Night

E wind around 6 kt becoming S after midnight. A chance of showers and thunderstorms, then showers likely after 2am. Seas around 2 ft.

Saturday

SW wind 12 to 15 kt increasing to 15 to 18 kt in the morning. Winds could gust as high as 26 kt. Showers likely, then showers and possibly a thunderstorm after 8am. Seas 3 to 4 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.