NAVTEX Marine Forecast (Portsmouth, VA)

FZNT24 KWNM 180847
OFFN02

NAVTEX Marine Forecast for Mid-Atlantic states waters
NWS Ocean Prediction Center Washington DC
447 AM EDT Sat Apr 18 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 high pressure ridge will shift just S of the waters
today into Sun, then weaken Sun night. A cold front will stall
across the central and N portions today, then return N as a warm
front tonight and Sun. A strong cold front will move E across the
area Sun and Sun night, before a secondary cold front moves over
the N portion Mon. High pressure will build E into the region Mon
night through Tue night. The high will weaken and slide over the
southern waters Wed as a cold front moves into the northern
waters Wed and Wed night.  

Sandy Hook to 37.5N

.TODAY...E winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog with
vsby 1 nm or less. 
.TONIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less. 
.SUN...NW winds 20 to 30 kt. Seas 5 to 9 ft. Scattered showers
and tstms with vsby 1 nm or less. 
.SUN NIGHT...N to NW winds 20 to 30 kt. Seas 6 to 9 ft. Chance
of rain. 
.MON...NW winds 15 to 25 kt. Seas 3 to 6 ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 4 to 6 ft. 
.TUE...N winds 10 to 20 kt. Seas 3 to 6 ft. 
.TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 

37.5N to Cape Hatteras

...GALE WARNING...

.TODAY...S to SE winds 5 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. Areas of
fog with vsby 1 nm or less. 
.SUN...N to NW winds 20 to 30 kt. Seas 5 to 9 ft. Scattered
showers and tstms with vsby 1 nm or less. 
.SUN NIGHT...N winds 25 to 35 kt. Seas 6 to 10 ft. Chance of
rain. 
.MON...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. 
.TUE...N winds 15 to 25 kt. Seas 4 to 7 ft. 
.TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...SW winds 15 to 25 kt. Seas 3 to 5 ft. 
.WED NIGHT...W to SW winds 15 to 25 kt. Seas 3 to 6 ft. 

Cape Hatteras to Murrells Inlet

...GALE WARNING...

.TODAY...SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers
and chance of tstms with vsby 1 nm or less. 
.TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...N winds 20 to 30 kt. Seas 5 to 9 ft. Scattered showers
and tstms. 
.SUN NIGHT...N to NE winds 25 to 35 kt. Seas 7 to 10 ft.
Scattered showers and tstms. 
.MON...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE...N to NE winds 15 to 25 kt. Seas 4 to 7 ft. 
.TUE NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 6 ft. 
.WED...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft.