Offshore Forecast
Issued by NWS

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990
FZNT23 KWNM 030836
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
436 AM EDT Wed Sep 3 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...Weak high pressure will remain over the area through
Thu as weak lows move NE along a surface front nearly stationary
just SE of the waters. High pressure gradually shifts E Thu night
and Fri ahead of a cold front. This slow-moving front approaches
the coast Fri, and weakens as it moves E across the waters Fri
and Fri night. Another cold front approaches from the W Sat,
moves into the area Sat night, and finally passes through the
area by late Sun night. High pressure builds in from the W behind
the front.

Eastport Maine to Cape Cod

.TODAY...S winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog far NE
portion with vsby 1 nm or less.
.TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog
far NE portion with vsby 1 nm or less.
.THU...S winds 10 to 20 kt. Seas 3 to 4 ft. Areas of fog far NE
portion with vsby 1 nm or less.
.THU NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. Isolated
showers.
.FRI...S winds 15 to 25 kt. Seas 3 to 5 ft.
.FRI NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 6 ft.
.SAT...S winds 20 to 30 kt. Seas 4 to 7 ft.
.SAT NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...Winds becoming N to NW 10 to 20 kt. Seas 3 to 4 ft.

Cape Cod to Nantucket Shoals and Georges Bank

.TODAY...NE winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers
and tstms.
.TONIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Isolated
showers and tstms mainly S portion.
.THU...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. Isolated
showers and tstms mainly S portion.
.THU NIGHT...S winds 5 to 15 kt. Seas 3 to 5 ft. Isolated
showers.
.FRI...S winds 10 to 20 kt. Seas 3 to 4 ft.
.FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...S winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN...S to SW winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft.

South of New England

.TODAY...E to NE winds 10 to 20 kt. Seas 3 to 6 ft. Isolated
showers.
.TONIGHT...Variable winds 5 to 15 kt. Seas 3 to 5 ft. Isolated
showers and tstms.
.THU...S winds 10 to 20 kt. Seas 3 to 4 ft. Isolated showers and
tstms.
.THU NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Isolated
showers. Scattered showers and tstms overnight.
.FRI...S winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT...S winds 15 to 25 kt. Seas 3 to 6 ft.
.SAT NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft.
.SUN...W to SW winds 15 to 25 kt. Seas 4 to 6 ft.
.SUN NIGHT...Winds becoming N 10 to 20 kt. Seas 3 to 5 ft.