900
FZNT23 KWNM 210924
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
524 AM EDT Thu Aug 21 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...The center of Hurricane Erin is expected to track NE
through the outer Mid-Atlantic waters today into early Fri,
remaining S and then SE of the waters. Erin will then move
farther away from the area over the N Atlantic late Fri into Sat.
Long period S swell from Hurricane Erin will continue through
tonight before backing to the SE and E by later Fri and Fri
night. A high pressure ridge will move E across the waters Fri
night and Sat, then shift E of the area Sat night into Sun. A
cold front will gradually approach the waters from the W late Sun
night, then move E across the area Mon and Mon night as
developing low pressure tracks NE along the front. For more
information on Hurricane Erin, please closely monitor the latest
forecasts from the National Hurricane Center.

Eastport Maine to Cape Cod

...TROPICAL STORM WARNING...

.TODAY...E winds 15 to 25 kt. Seas 6 to 11 ft. Chance of
showers.
.TONIGHT...NE winds 25 to 35 kt. Seas 11 to 19 ft. Chance of
showers.
.FRI...N winds 25 to 35 kt. Seas 16 to 23 ft.
.FRI NIGHT...N to NW winds 15 to 25 kt. Seas 11 to 18 ft.
.SAT...S winds 10 to 20 kt. Seas 6 to 11 ft.
.SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 8 ft.
.SUN...S winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 6 ft.
.MON...S to SE winds 10 to 20 kt. Seas 3 to 4 ft.
.MON NIGHT...W to SW winds 20 to 30 kt. Seas 4 to 6 ft.

Cape Cod to Nantucket Shoals and Georges Bank

...HURRICANE WARNING...

.TODAY...E winds 45 to 55 kt. Seas 16 to 32 ft. Tstms and chance
of showers.
.TONIGHT...N to NE winds 55 to 70 kt. Seas 27 to 42 ft. Showers
and tstms.
.FRI...N winds 40 to 55 kt. Seas 25 to 40 ft. Tstms and chance
of showers.
.FRI NIGHT...N winds 20 to 30 kt. Seas 16 to 27 ft. Chance of
showers.
.SAT...N to NE winds 15 to 25 kt. Seas 8 to 14 ft.
.SAT NIGHT...S to SE winds 5 to 15 kt. Seas 6 to 10 ft.
.SUN...S to SE winds 10 to 20 kt. Seas 5 to 9 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 8 ft.
.MON...S winds 20 to 30 kt. Seas 5 to 8 ft.
.MON NIGHT...W winds 15 to 25 kt. Seas 5 to 8 ft.

South of New England

...TROPICAL STORM WARNING...

.TODAY...NE winds 45 to 55 kt. Seas 16 to 32 ft. Scattered
showers and tstms.
.TONIGHT...N winds 40 to 55 kt. Seas 24 to 37 ft. Chance of
showers and scattered tstms.
.FRI...N winds 25 to 35 kt. Seas 15 to 26 ft. Chance of showers.
.FRI NIGHT...N to NW winds 20 to 30 kt. Seas 11 to 17 ft.
.SAT...S to SW winds 15 to 25 kt. Seas 7 to 11 ft.
.SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 9 ft.
.SUN...S winds 10 to 20 kt. Seas 5 to 8 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 8 ft.
.MON...S to SW winds 15 to 25 kt. Seas 5 to 7 ft.
.MON NIGHT...W winds 10 to 20 kt. Seas 3 to 6 ft.