437
FZNT23 KWNM 181605
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
1205 PM EDT Mon Aug 18 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...A cold front across the far S waters this morning,
will pass S of the area early today, 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 be near 29.5N 73.5W at 8 AM EDT Wed, then move to near 31.7N
73.1W by 8 PM EDT Wed night, then to 33.9N 71.6W by 8 AM ED Thu,
then continue to move NE through Fri night. Long period S swell
from Hurricane Erin will move into the region Tue, then continue
through Thu night before backing to the SE and E Fri night. A
high pressure ridge will build across the waters late Fri and Fri
night. For more information on Hurricane Erin, please closely
monitor the latest forecasts from the National Hurricane Center.

Eastport Maine to Cape Cod

.TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...NE winds 5 to 15 kt. Seas 3 to 6 ft.
.TUE...E winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft.
.WED...SE winds less than 10 kt. Seas 4 to 7 ft.
.WED NIGHT...E winds 5 to 15 kt. Seas 5 to 9 ft.
.THU...E to NE winds 10 to 20 kt. Seas 8 to 14 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 12 to 19 ft.
.FRI...N winds 20 to 30 kt. Seas 12 to 20 ft.
.FRI NIGHT...W to SW winds 10 to 20 kt. Seas 8 to 12 ft.

Cape Cod to Nantucket Shoals and Georges Bank

...TROPICAL STORM CONDITIONS POSSIBLE THU...

.TODAY...N to NE winds 15 to 25 kt. Seas 5 to 7 ft. Isolated
showers and tstms.
.TONIGHT...NE winds 10 to 20 kt. Seas 5 to 8 ft.
.TUE...E winds 5 to 15 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 5 to 15 kt. Seas 6 to 10 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 13 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 12 to 21 ft.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...Tropical storm conditions possible.
.FRI NIGHT...N to NE winds 20 to 30 kt. Seas 11 to 18 ft.

South of New England

...TROPICAL STORM CONDITIONS POSSIBLE THU...

.TODAY...NE winds 15 to 25 kt. Seas 5 to 8 ft. Isolated showers
and tstms.
.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 5 to 15 kt. Seas 7 to 10 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 13 ft.
.WED NIGHT...E winds 20 to 30 kt. Seas 12 to 21 ft.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...N to NE winds 20 to 30 kt. Seas 13 to 22 ft.
.FRI NIGHT...N to NE winds 10 to 20 kt. Seas 9 to 14 ft.