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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

Today
⇑WNW 16kt
< 1ft
Tonight
NW 16kt
< 1ft
Monday
NW 14kt
< 1ft
Monday Night
NNW 11kt
< 1ft
Tuesday
SW 8kt
< 1ft
Tuesday Night
SW 9kt
< 1ft
Wednesday
WSW 12kt
< 1ft
Wednesday Night
SW 9kt
< 1ft
Thursday
SSW 13kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 4:48 am EST Feb 22, 2026
Forecast Valid: 6am EST Feb 22, 2026-6pm EST Feb 28, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT FROM 1 PM EST THIS AFTERNOON THROUGH

Today

SSW wind 5 to 8 kt becoming WNW 11 to 16 kt in the morning. Winds could gust as high as 26 kt. A chance of showers before 11am. Patchy fog before 9am. Seas 1 ft or less.

Tonight

NW wind 12 to 16 kt, with gusts as high as 25 kt. Mostly clear. Seas 1 ft or less.

Monday

NW wind 12 to 14 kt, with gusts as high as 23 kt. Sunny. Seas 1 ft or less.

Monday Night

NNW wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.

Tuesday

NW wind 5 to 8 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

SW wind 7 to 9 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

WSW wind 9 to 12 kt, with gusts as high as 20 kt. Partly sunny. Seas 1 ft or less.

Wednesday Night

SW wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SSW wind 8 to 13 kt, with gusts as high as 21 kt. A slight chance of showers. Seas 1 ft or less.

*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.