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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
3ft
Independence Day
⇑ENE 13kt
3ft
Friday Night
E 13kt
3-4ft
Saturday
E 18kt
4-5ft
Saturday Night
E 16kt
4-5ft
Sunday
SE 13kt
4ft
Sunday Night
S 12kt
4ft
Monday
S 11kt
3ft
Monday Night
SW 12kt
2-3ft

Associated Zone Forecast which includes this point

Last Update: 1:48 pm EDT Jul 3, 2025
Forecast Valid: 8pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 5am. Seas around 3 ft.

Independence Day

NNE wind 6 to 9 kt becoming ENE 10 to 13 kt in the afternoon. A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Seas around 3 ft.

Friday Night

E wind around 13 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 3 to 4 ft.

Saturday

E wind 16 to 18 kt, with gusts as high as 24 kt. Showers and possibly a thunderstorm. Seas 4 to 5 ft.

Saturday Night

E wind 13 to 16 kt. Showers likely and possibly a thunderstorm. Seas 4 to 5 ft.

Sunday

E wind around 13 kt becoming SSE in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 4 ft.

Sunday Night

S wind 10 to 12 kt becoming SW after midnight. A chance of showers and thunderstorms. Seas around 4 ft.

Monday

WSW wind 9 to 11 kt becoming S in the afternoon. A chance of showers and thunderstorms. Seas around 3 ft.

Monday Night

SW wind 10 to 12 kt. A chance of showers and thunderstorms, mainly after 2am. 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.