OPC NAVTEX Marine Forecast (Charleston, SC)
Mon Apr 20 11:18 pm
FZNT25 KWNM 210316
OFFN03
NAVTEX Marine Forecast for southeast U.S. waters
NWS Ocean Prediction Center Washington DC
1116 PM EDT Mon Apr 20 2026
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 cold front will move S across the waters tonight
and Tue while weakening. High pressure will build S over the area
Tue, and persist Wed and Wed night. The high will then shift
slowly SE of the area Thu into Fri night while maintaining a
ridge across the region. A weak cold front will pass NE of the
waters Thu night. Another cold front will approach from the N
Fri, then stall N of the area Fri night into Sat night as low
pressure tracks E along the boundary.
Murrells Inlet to 31N
.TONIGHT...N to NE winds 5 to 15 kt. Seas 5 to 8 ft.
.TUE...NE winds 5 to 15 kt. Seas 4 to 7 ft.
.TUE NIGHT...E to SE winds 5 to 15 kt. Seas 4 to 6 ft.
.WED...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SAT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
South of 31N
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...NE winds 5 to 15 kt. Seas 5 to 8 ft.
.TUE NIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft.
.WED...E winds 5 to 10 kt. Seas 3 to 6 ft.
.WED NIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft.
.THU...S to SE winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.
OFFN03
NAVTEX Marine Forecast for southeast U.S. waters
NWS Ocean Prediction Center Washington DC
1116 PM EDT Mon Apr 20 2026
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 cold front will move S across the waters tonight
and Tue while weakening. High pressure will build S over the area
Tue, and persist Wed and Wed night. The high will then shift
slowly SE of the area Thu into Fri night while maintaining a
ridge across the region. A weak cold front will pass NE of the
waters Thu night. Another cold front will approach from the N
Fri, then stall N of the area Fri night into Sat night as low
pressure tracks E along the boundary.
Murrells Inlet to 31N
.TONIGHT...N to NE winds 5 to 15 kt. Seas 5 to 8 ft.
.TUE...NE winds 5 to 15 kt. Seas 4 to 7 ft.
.TUE NIGHT...E to SE winds 5 to 15 kt. Seas 4 to 6 ft.
.WED...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SAT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
South of 31N
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...NE winds 5 to 15 kt. Seas 5 to 8 ft.
.TUE NIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft.
.WED...E winds 5 to 10 kt. Seas 3 to 6 ft.
.WED NIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft.
.THU...S to SE winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.