453
FZNT23 KWNM 170837
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
437 AM EDT Sun Aug 17 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...High pressure across the area will shift SE of the
region today. A cold front will slowly move S across the waters
tonight into Mon, then pass S of the area late Mon and Mon night
as high pressure builds S across the region. The high will remain
over the area Tue, then shift E of the area Tue night through Wed
night. Hurricane Erin will move N then NE while passing to the S
and SE of the waters Wed through Thu night. Long period SE to S
swell from Hurricane Erin will move into the region Mon and Mon
night, then continue through Wed night before backing to the SE
and E Thu and Thu night. For more information on Hurricane Erin,
please closely monitor the latest forecasts from the National
Hurricane Center.

Eastport Maine to Cape Cod

.TODAY...S winds 10 to 20 kt. Seas 3 to 4 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft. Chance of
showers and tstms.
.MON...N to NE winds 15 to 25 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 5 to 15 kt. Seas 4 to 7 ft.
.TUE...E winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E to SE winds 5 to 15 kt. Seas 4 to 6 ft.
.WED...E to SE winds 5 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...E to NE winds 10 to 20 kt. Seas 6 to 11 ft.
.THU...NE winds 15 to 25 kt. Seas 9 to 15 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 13 to 19 ft.

Cape Cod to Nantucket Shoals and Georges Bank

...TROPICAL STORM CONDITIONS POSSIBLE THU...

.TODAY...S to SW winds 5 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...N to NE winds 15 to 25 kt. Seas 3 to 6 ft. Chance of
showers and tstms.
.MON...NE winds 15 to 25 kt. Seas 5 to 8 ft. Chance of showers
and slight chance of tstms.
.MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 8 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 11 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 14 ft.
.WED NIGHT...NE winds 20 to 30 kt. Seas 13 to 21 ft.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.

South of New England

...TROPICAL STORM CONDITIONS POSSIBLE THU...

.TODAY...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.TONIGHT...NE winds 20 to 30 kt. Seas 3 to 5 ft. Chance of
showers and tstms.
.MON...NE winds 20 to 30 kt. Seas 5 to 9 ft. Chance of showers
and slight chance of tstms.
.MON NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 10 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 11 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 14 ft.
.WED NIGHT...NE winds 20 to 30 kt. Seas 13 to 21 ft.
.THU...Tropical storm conditions possible.
.THU NIGHT...N winds 20 to 30 kt. Seas 13 to 22 ft.