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Charleston, SC Local Forecast Office

5NM N Rattlesnake Shoal MR

Marine Point Forecast

[NOTICE]

This Afternoon
E 9kt
< 1ft
Tonight
Light Wind
< 1ft
Wednesday
⇑S 8kt
< 1ft
Wednesday Night
S 6kt
< 1ft
Thursday
⇑S 10kt
< 1ft
Thursday Night
SSW 9kt
< 1ft
Friday
⇑SSW 11kt
< 1ft
Friday Night
SSW 7kt⇓
< 1ft
Saturday
⇑SSE 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT Aug 25, 2026
Forecast Valid: 2pm EDT Aug 25, 2026-6pm EDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 9 kt. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. A chance of showers and thunderstorms, mainly between 7am and 3pm. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Thursday Night

SSW wind 7 to 9 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

Friday

SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Friday Night

SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Showers likely and possibly a thunderstorm. 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.