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Charleston, SC Local Forecast Office

5NM NW Cape Romain Buoy MR

Marine Point Forecast

[NOTICE]

Tuesday
S 9kt
2-3ft
Tuesday Night
SW 9kt
2-3ft
Wednesday
⇑SW 15kt
3ft
Wednesday Night
SSW 17kt
3-4ft
Thursday
W 19kt
4ft
Thursday Night
NNE 23kt
4ft
Friday
ENE 17kt⇓
4-5ft
Friday Night
Light Wind
3ft
Saturday
⇑E 10kt
3ft

Associated Zone Forecast which includes this point

Last Update: 2:30 am EDT Mar 10, 2026
Forecast Valid: 3am EDT Mar 10, 2026-6pm EDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

Tuesday

SW wind 5 to 9 kt becoming S in the afternoon. A slight chance of showers and thunderstorms before 4pm, then a slight chance of thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Areas of dense fog before 10am. Seas 2 to 3 ft.

Tuesday Night

SW wind around 9 kt. A slight chance of showers before 7pm. Seas 2 to 3 ft.

Wednesday

SW wind 8 to 11 kt increasing to 12 to 15 kt in the afternoon. Patchy fog between 7am and 8am. Seas around 3 ft.

Wednesday Night

SSW wind 15 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 3 to 4 ft.

Thursday

SW wind 17 to 19 kt becoming W in the afternoon. Winds could gust as high as 25 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Seas around 4 ft.

Thursday Night

NNE wind 20 to 23 kt. Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Seas around 4 ft.

Friday

ENE wind 14 to 17 kt decreasing to 8 to 11 kt in the afternoon. Mostly sunny. Seas 4 to 5 ft.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Saturday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Mostly sunny. Seas around 3 ft.

*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.