Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until June 19, 04:00 PM EDT

For More Weather Information:

Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

Juneteenth
SW 22kt⇓
< 1ft

Small Craft Advisory
Friday Night
SW 8kt
< 1ft
Saturday
N 7kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
⇑SSE 10kt
< 1ft
Sunday Night
SSE 8kt
< 1ft
Monday
⇑SW 14kt
< 1ft
Monday Night
SW 13kt
< 1ft
Tuesday
SW 13kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:14 am EDT Jun 19, 2026
Forecast Valid: 3am EDT Jun 19, 2026-6pm EDT Jun 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

Juneteenth

SW wind 19 to 22 kt becoming W 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. Showers and thunderstorms likely, mainly before 1pm. Seas 1 ft or less.

Friday Night

SW wind 5 to 8 kt becoming WNW after midnight. A slight chance of showers and thunderstorms after 7pm. Seas 1 ft or less.

Saturday

N wind around 7 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

SSE wind around 8 kt. Partly cloudy. Seas 1 ft or less.

Monday

SW wind 7 to 10 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

SW wind 10 to 13 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

SW wind 8 to 13 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 82 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.