For More Weather Information:

Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

This Afternoon
SW 18kt
4ft
Tonight
WSW 13kt
2-3ft
Friday
NNE 13kt
2ft
Friday Night
ESE 6kt⇓
2ft
Saturday
⇑SSW 10kt
2ft
Saturday Night
SSW 9kt⇓
2ft
Sunday
⇑SSW 8kt
2ft
Sunday Night
SW 6kt
2ft
Monday
SW 10kt
2ft

Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT May 7, 2026
Forecast Valid: 3pm EDT May 7, 2026-6pm EDT May 14, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind around 18 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms. Seas around 4 ft.

Tonight

WSW wind 9 to 13 kt becoming N after midnight. A slight chance of showers and thunderstorms before 9pm. Seas 2 to 3 ft.

Friday

NNE wind 10 to 13 kt becoming E in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.

Friday Night

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Cloudy. Seas around 2 ft.

Saturday

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Showers, with thunderstorms also possible after 11am. Seas around 2 ft.

Saturday Night

SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Seas around 2 ft.

Sunday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Seas around 2 ft.

Sunday Night

SW wind around 6 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Monday

SW wind 7 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. 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.