870
FZNT23 KWNM 182145
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
545 PM EDT Fri Sep 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 cold front over the outer waters will pass S of the
region early tonight. High pressure will build SE across the
region tonight into Sat, then shift E of the waters Sat night. A
warm front will lift N into the area Sun and Sun night, before
low pressure moves E across the waters late Sun night and Mon
while pulling a cold front over the area. The cold front will
stall S of the area Mon through Tue night as low pressure
develops along the boundary, then lift slowly N towards the
waters Wed and Wed night. Strong high pressure will build N of
the region Tue and Tue night, then continue Wed and Wed night.

Eastport Maine to Cape Cod

.TONIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft.
.SAT...Variable winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT NIGHT...S to SE winds less than 10 kt. Seas 3 to 4 ft.
.SUN...S winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft.
.MON...N to NE winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft.
.TUE...NE winds 15 to 25 kt. Seas 5 to 7 ft.
.TUE NIGHT...E to NE winds 20 to 30 kt. Seas 5 to 9 ft.
.WED...E to NE winds 20 to 30 kt. Seas 7 to 10 ft.
.WED NIGHT...E winds 20 to 30 kt. Seas 7 to 11 ft.

Cape Cod to Nantucket Shoals and Georges Bank

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TONIGHT...N to NE winds 10 to 20 kt. Seas 3 to 6 ft. Chance of
showers and tstms.
.SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...SE winds 5 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.MON...N to NE winds 15 to 25 kt. Seas 4 to 7 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 8 ft.
.TUE...NE winds 20 to 30 kt. Seas 6 to 11 ft.
.TUE NIGHT...E to NE winds 30 to 40 kt. Seas 9 to 14 ft.
.WED...E winds 30 to 40 kt. Seas 11 to 17 ft.
.WED NIGHT...E winds 30 to 40 kt. Seas 12 to 18 ft.

South of New England

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...E to NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...E to SE winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN...S to SE winds 10 to 20 kt. Seas 3 to 6 ft.
.SUN NIGHT...N to NE winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...NE winds 15 to 25 kt. Seas 4 to 7 ft.
.MON NIGHT...NE winds 20 to 30 kt. Seas 5 to 8 ft.
.TUE...NE winds 25 to 35 kt. Seas 7 to 12 ft.
.TUE NIGHT...E to NE winds 25 to 35 kt. Seas 9 to 14 ft.
.WED...E to NE winds 30 to 40 kt. Seas 11 to 17 ft.
.WED NIGHT...NE winds 30 to 40 kt. Seas 12 to 18 ft.