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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

This Afternoon
S 13kt
3ft
Tonight
S 11kt
3ft
Wednesday
SSW 14kt
3ft
Wednesday Night
SW 14kt
3ft
Thursday
SSW 12kt
3ft
Thursday Night
SW 10kt⇓
3ft
Friday
E 16kt
2-3ft
Friday Night
ESE 12kt
3ft
Saturday
E 9kt
2ft

Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT May 26, 2026
Forecast Valid: 3pm EDT May 26, 2026-6pm EDT Jun 2, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 13 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 3 ft.

Tonight

S wind around 11 kt. Increasing clouds. Seas around 3 ft.

Wednesday

SSW wind 11 to 14 kt, with gusts as high as 20 kt. A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Seas around 3 ft.

Wednesday Night

SW wind around 14 kt, with gusts as high as 21 kt. A slight chance of showers and thunderstorms after 2am. Seas around 3 ft.

Thursday

WSW wind 9 to 12 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 3 ft.

Thursday Night

SW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Showers and thunderstorms before 5am, then a chance of showers. Seas around 3 ft.

Friday

E wind 13 to 16 kt, with gusts as high as 22 kt. A chance of showers, with thunderstorms also possible after 11am. Seas 2 to 3 ft.

Friday Night

ESE wind 7 to 12 kt becoming SSE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 3 ft.

Saturday

E wind 7 to 9 kt. Showers and possibly a thunderstorm. 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.