NAVTEX Marine Forecast (Charleston, SC)

FZNT25 KWNM 242100
OFFN03

NAVTEX Marine Forecast for southeast U.S. waters
NWS Ocean Prediction Center Washington DC
500 PM EDT Wed Sep 24 2025

Conditions given represent the highest within that period.

Locally higher winds and seas can be expected in and near tstms.

...Please refer to Coastal Waters Forecasts (CWF) available
through NOAA Weather Radio and other means for detailed coastal
waters forecasts...

.SYNOPSIS...A high pressure ridge will persist across the area
tonight into Fri. A cold front will approach from the NW Fri into
Sat, then lift back to the N as a warm front Sat night into Sun 
night. Tropical Storm Humberto will track N to the SE and E 
of the waters Mon and Mon night as a hurricane. See the latest 
advisory from the National Hurricane Center. A tropical 
disturbance will approach the area from the S and SE Sun, and 
then move N over the waters Sun night into Mon night. Long period
E to NE swell from distant Hurricane Gabrielle will continue 
tonight into Thu night.  

Murrells Inlet to 31N

.TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers
and tstms. 
.THU...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and
tstms. 
.THU NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms. 
.FRI...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and
tstms. 
.FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.SAT...S winds 5 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...S winds 5 to 15 kt. Seas 3 to 5 ft. 
.SUN...E to SE winds 5 to 15 kt. Seas 3 to 6 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON...E to NE winds 20 to 30 kt. Seas 7 to 12 ft. 
.MON NIGHT...E to NE winds 20 to 30 kt. Seas 8 to 11 ft. 

South of 31N

.TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.FRI...S winds 5 to 15 kt. Seas 3 to 4 ft. Tstms and scattered
showers. 
.FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.SAT...S winds 5 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds 5 to 15 kt. Seas 3 to 5 ft. 
.SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E to NE winds 20 to 30 kt. Seas 6 to 11 ft. 
.MON...W to NW winds 20 to 30 kt. Seas 8 to 12 ft. 
.MON NIGHT...W to NW winds 20 to 30 kt. Seas 8 to 11 ft.