281
FZNT23 KWNM 180343
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
1143 PM 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...A cold front will slowly move S across the waters
tonight into early 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 remain S and E of the
waters, making its closest approach Thu night as it lifts NE
through the Outer Mid-Atlantic Waters. 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 Thu night
through 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

.TONIGHT...N to NE winds 15 to 25 kt. Seas 4 to 7 ft. Scattered
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 3 to 6 ft.
.TUE...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 6 ft.
.WED...S to SE winds 5 to 15 kt. Seas 4 to 7 ft.
.WED NIGHT...E winds 5 to 15 kt. Seas 6 to 11 ft.
.THU...E to NE winds 15 to 25 kt. Seas 10 to 17 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 13 to 19 ft.
.FRI...N winds 20 to 30 kt. Seas 10 to 17 ft.
.FRI NIGHT...W to SW winds 10 to 20 kt. Seas 7 to 11 ft.

Cape Cod to Nantucket Shoals and Georges Bank

...TROPICAL STORM CONDITIONS POSSIBLE THU...

.TONIGHT...SW winds 5 to 15 kt, becoming N to NE 15 to 25 kt.
Seas 3 to 6 ft. Isolated showers and tstms.
.MON...NE winds 15 to 25 kt. Seas 5 to 8 ft. Isolated showers
and tstms.
.MON NIGHT...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 10 to 20 kt. Seas 7 to 11 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 14 ft.
.WED NIGHT...E winds 20 to 30 kt. Seas 13 to 23 ft.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...Tropical storm conditions possible.
.FRI NIGHT...SW winds 15 to 25 kt. Seas 10 to 14 ft.

South of New England

...TROPICAL STORM CONDITIONS POSSIBLE THU...

.TONIGHT...SW winds 5 to 15 kt, becoming NE 15 to 25 kt. Seas
3 to 4 ft. Scattered showers and tstms.
.MON...NE winds 20 to 30 kt. Seas 5 to 8 ft. Isolated showers
and 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 9 to 15 ft.
.WED NIGHT...E winds 20 to 30 kt. Seas 14 to 23 ft.
.THU...Tropical storm conditions possible.
.THU NIGHT...Tropical storm conditions possible.
.FRI...N winds 20 to 30 kt. Seas 9 to 16 ft.
.FRI NIGHT...S to SW winds 10 to 20 kt. Seas 8 to 12 ft.