News Headlines

For More Weather Information:

Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

Today
SW 8kt
< 1ft
Tonight
Light Wind
< 1ft
Sunday
⇑SE 6kt
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
⇑SE 8kt
< 1ft
Monday Night
SSE 6kt⇓
< 1ft
Tuesday
⇑SSW 12kt
< 1ft
Tuesday Night
SSW 13kt
< 1ft
Wednesday
WSW 11kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT Jul 25, 2026
Forecast Valid: 10am EDT Jul 25, 2026-6pm EDT Jul 31, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind around 8 kt. Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 1am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Sunny. Seas 1 ft or less.

Tuesday Night

SSW wind around 13 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

WSW wind around 11 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 87 degrees.

*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.