FZNT23 KWNM 191515

OFFN01



NAVTEX Marine Forecast for NE US waters

NWS Ocean Prediction Center Washington DC

1115 AM EDT Tue Aug 19 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 over the region today will gradually

shift E of the area tonight through Wed night. Hurricane Erin is

expected to pass NE through the Outer Mid-Atlantic Waters Thu

night into Fri, remaining S of the waters, then move farther away

from the area Fri night into Sat. Long period S swell from

Hurricane Erin will move into the region today, then continue

through Thu night before backing to the SE and E Fri night. A

high pressure ridge will move E across the waters Fri night and

Sat, then shift E of the area Sat night. For more information on

Hurricane Erin, please closely monitor the latest forecasts from

the National Hurricane Center.  



Eastport Maine to Cape Cod



...TROPICAL STORM CONDITIONS POSSIBLE FRI...



.TODAY...NE winds less than 10 kt, becoming variable. Seas 3 to

5 ft. 

.TONIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft. 

.WED...E to SE winds less than 10 kt. Seas 4 to 6 ft. 

.WED NIGHT...E winds 5 to 15 kt. Seas 4 to 7 ft. Chance of

showers. 

.THU...E winds 15 to 25 kt. Seas 7 to 13 ft. 

.THU NIGHT...NE winds 20 to 30 kt. Seas 11 to 18 ft. 

.FRI...Tropical storm conditions possible. 

.FRI NIGHT...N winds 20 to 30 kt. Seas 11 to 19 ft. 

.SAT...S winds 10 to 20 kt. Seas 8 to 13 ft. 

.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 6 to 10 ft. 



Cape Cod to Nantucket Shoals and Georges Bank



...HURRICANE CONDITIONS POSSIBLE FRI...



.TODAY...E to NE winds 5 to 15 kt, becoming variable. Seas 6 to

10 ft. 

.TONIGHT...Variable winds 5 to 15 kt. Seas 7 to 10 ft. 

.WED...E winds 10 to 20 kt. Seas 8 to 12 ft. 

.WED NIGHT...E winds 15 to 25 kt. Seas 10 to 18 ft. Scattered

showers and tstms. 

.THU...E winds 30 to 40 kt. Seas 17 to 30 ft. 

.THU NIGHT...E to NE winds 45 to 60 kt. Seas 26 to 38 ft. 

.FRI...Hurricane conditions possible. 

.FRI NIGHT...Tropical storm conditions possible. 

.SAT...N to NE winds 15 to 25 kt. Seas 11 to 18 ft. 

.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 7 to 13 ft. 



South of New England



...TROPICAL STORM CONDITIONS POSSIBLE THU...



.TODAY...E winds 5 to 15 kt. Seas 6 to 10 ft. 

.TONIGHT...E winds 5 to 15 kt. Seas 7 to 10 ft. 

.WED...E winds 10 to 20 kt. Seas 8 to 12 ft. Chance of showers. 

.WED NIGHT...E winds 15 to 25 kt. Seas 10 to 18 ft. Chance of

showers and scattered tstms. 

.THU...E to NE winds 30 to 40 kt. Seas 17 to 31 ft. 

.THU NIGHT...N to NE winds 40 to 50 kt. Seas 25 to 35 ft. 

.FRI...Tropical storm conditions possible. 

.FRI NIGHT...N winds 20 to 30 kt. Seas 12 to 19 ft. 

.SAT...S winds 15 to 25 kt. Seas 9 to 14 ft. 

.SAT NIGHT...S winds 10 to 20 kt. Seas 6 to 11 ft.