For More Weather Information:

Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

Today
E 14kt
< 1ft
Tonight
ESE 8kt⇓
< 1ft
Saturday
⇑SE 6kt
< 1ft
Saturday Night
⇑ENE 10kt
< 1ft
Sunday
E 17kt
< 1ft
Sunday Night
ESE 10kt
< 1ft
Monday
ESE 9kt
< 1ft
Monday Night
S 6kt⇓
< 1ft
Tuesday
ENE 11kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT May 29, 2026
Forecast Valid: 11am EDT May 29, 2026-6pm EDT Jun 4, 2026

View Nearby Observations

Detailed Forecast

Today

E wind around 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly between noon and 3pm. Seas 1 ft or less.

Tonight

ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly after 3am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming ENE 5 to 10 kt after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

E wind around 17 kt, with gusts as high as 25 kt. A chance of showers, mainly before 8am. Seas 1 ft or less.

Sunday Night

ESE wind 6 to 10 kt. A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

Monday

ESE wind 5 to 9 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Monday Night

S wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

N wind 7 to 11 kt becoming ENE in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Winds and waves 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.