689
FZNT23 KWNM 200927
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
527 AM EDT Sun Sep 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...High pressure will shift E of the waters early today.
A warm front will lift N into the far S waters later today into
tonight, before low pressure moves E across the far S waters
later tonight and Mon while pulling a cold front over the area.
The cold front will stall S of the area Mon night through Tue
night as low pressure develops along and S of the stalled front,
then lifts 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 into Thu night. The low will strengthen just S of
the region Thu and Thu night. Widespread strong gale force winds,
with storm force wind gusts, and building seas are likely over
most of the waters beginning Tue and continuing through Thu
night. Mariners should consider avoidance plans as this
significant weather system likely impacts most of the region Tue
through Thu night. Please monitor the latest OPC and coastal
marine forecasts.

Eastport Maine to Cape Cod

.TODAY...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...N to NE winds 10 to 20 kt. Seas 3 to 4 ft. Showers.
.MON...N to NE winds 15 to 25 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 3 to 6 ft.
.TUE...NE winds 10 to 20 kt. Seas 4 to 6 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 12 ft.
.WED NIGHT...E to NE winds 20 to 30 kt. Seas 9 to 14 ft.
.THU...NE winds 20 to 30 kt. Seas 11 to 17 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 12 to 18 ft.

Cape Cod to Nantucket Shoals and Georges Bank

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

.TODAY...SE winds 5 to 15 kt. Seas 3 to 6 ft.
.TONIGHT...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. Showers and
scattered tstms.
.MON...NE winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers
and tstms.
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of
showers.
.TUE...NE winds 20 to 30 kt. Seas 6 to 11 ft.
.TUE NIGHT...E winds 30 to 40 kt. Seas 9 to 15 ft.
.WED...E to NE winds 35 to 45 kt. Seas 12 to 20 ft.
.WED NIGHT...E to NE winds 35 to 45 kt. Seas 14 to 21 ft.
.THU...E to NE winds 30 to 40 kt. Seas 13 to 20 ft.
.THU NIGHT...E winds 30 to 40 kt. Seas 12 to 19 ft.

South of New England

...GALE FORCE WINDS POSSIBLE TUE...

.TODAY...S to SE winds 5 to 15 kt. Seas 3 to 6 ft.
.TONIGHT...N to NE winds 10 to 20 kt. Seas 3 to 5 ft. Scattered
showers and slight chance of tstms.
.MON...NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of showers.
.MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 8 ft. Chance of
showers.
.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...NE winds 30 to 40 kt. Seas 11 to 19 ft.
.WED NIGHT...NE winds 30 to 40 kt. Seas 14 to 20 ft.
.THU...NE winds 35 to 45 kt. Seas 14 to 19 ft.
.THU NIGHT...NE winds 35 to 45 kt. Seas 13 to 19 ft.