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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

Late Afternoon
SSW 8kt
< 1ft
Tonight
⇑NE 13kt
< 1ft
Tuesday
NE 16kt
< 1ft
Tuesday Night
E 10kt
< 1ft
Wednesday
SE 9kt
< 1ft
Wednesday Night
S 6kt
< 1ft
Thursday
WNW 8kt
< 1ft
Thursday Night
⇑N 8kt
< 1ft
Friday
NNE 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:40 pm EDT May 11, 2026
Forecast Valid: 4pm EDT May 11, 2026-6pm EDT May 18, 2026

View Nearby Observations

Detailed Forecast

Late Afternoon

SSW wind around 8 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Tonight

Variable winds less than 5 kt becoming NE 8 to 13 kt in the evening. Winds could gust as high as 21 kt. Showers and thunderstorms likely, mainly before 10pm. Seas 1 ft or less.

Tuesday

NE wind 13 to 16 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday Night

E wind 6 to 10 kt. Cloudy, then gradually becoming partly cloudy. Seas 1 ft or less.

Wednesday

SE wind 6 to 9 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

S wind around 6 kt becoming WSW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday

WNW wind 6 to 8 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming N 5 to 8 kt after midnight. Clear. Seas 1 ft or less.

Friday

NNE wind 6 to 8 kt becoming SE in the afternoon. Sunny. 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.