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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

This Afternoon
NE 12kt
< 1ft
Tonight
NE 10kt
< 1ft
Tuesday
WSW 9kt
< 1ft
Tuesday Night
N 8kt
< 1ft
Wednesday
NNE 8kt
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
⇑WNW 6kt
< 1ft
Thursday Night
⇑NNE 6kt
< 1ft
Friday
NNE 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:32 pm EST Dec 1, 2025
Forecast Valid: 1pm EST Dec 1, 2025-6pm EST Dec 7, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE

This Afternoon

NE wind around 12 kt. Cloudy. Seas 1 ft or less.

Tonight

NE wind 6 to 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Seas 1 ft or less.

Tuesday

NNW wind 6 to 9 kt becoming SW in the morning. Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Seas 1 ft or less.

Tuesday Night

WNW wind around 8 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

NNE wind 5 to 8 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming NNE around 6 kt after midnight. A slight chance of showers. Seas 1 ft or less.

Friday

NNE wind 7 to 9 kt. A 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.