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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

Tonight
SW 7kt⇓
< 1ft
Friday
E 14kt
< 1ft
Friday Night
ESE 8kt
< 1ft
Saturday
⇑SSE 7kt
< 1ft
Saturday Night
ENE 9kt
< 1ft
Sunday
ENE 17kt
< 1ft
Sunday Night
E 12kt
< 1ft
Monday
E 8kt
< 1ft
Monday Night
SSE 6kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT May 28, 2026
Forecast Valid: 7pm EDT May 28, 2026-6pm EDT Jun 4, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly before 1am. Seas 1 ft or less.

Friday

E wind 10 to 14 kt, with gusts as high as 21 kt. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 3pm. Seas 1 ft or less.

Friday Night

ESE wind 5 to 8 kt becoming S after midnight. A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.

Saturday Night

ENE wind 5 to 9 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

ENE wind 15 to 17 kt, with gusts as high as 26 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Sunday Night

E wind 8 to 12 kt. A chance of showers and thunderstorms, mainly after 8pm. Seas 1 ft or less.

Monday

E wind 6 to 8 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday Night

SSE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.

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.