OPC NAVTEX Marine Forecast (Boston, MA)
Thu Oct 15 5:11 pm
FZNT23 KWNM 152109
OFFN01
NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
509 PM EDT Thu Oct 15 2026
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 will continue to build SE over the
region tonight, before a warm front lifts N over the waters Fri.
A strong cold front will quickly move E across the area Fri night
into Sat, before a series of low pressure troughs or secondary
cold fronts move SE over the waters Sat into Sun. Another high
will build E across the region Sun into Mon, then begin to shift
E Mon night into Tue as low pressure begins to approach the area
from the S. The low will remain S of the area Tue and Tue night
as another high builds in from the NW.
Eastport Maine to Cape Cod
.TONIGHT...S to SE winds 10 to 20 kt. Seas 5 to 8 ft.
.FRI...S winds 20 to 30 kt. Seas 5 to 8 ft. Chance of showers.
.FRI NIGHT...NW winds 20 to 30 kt. Seas 5 to 9 ft. Chance of
showers and areas of fog with vsby 1 nm or less.
.SAT...NW winds 20 to 30 kt. Seas 6 to 9 ft. Scattered showers.
.SAT NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft.
.SUN...N to NW winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft.
.MON...S winds 10 to 20 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 8 ft.
.TUE...N to NE winds 10 to 20 kt. Seas 6 to 10 ft.
.TUE NIGHT...N to NE winds 15 to 25 kt. Seas 5 to 9 ft.
Cape Cod to Nantucket Shoals and Georges Bank
...GALE WARNING...
.TONIGHT...E to SE winds 10 to 20 kt. Seas 6 to 10 ft.
.FRI...S winds 20 to 30 kt. Seas 4 to 8 ft. Chance of showers.
.FRI NIGHT...SW winds 20 to 30 kt. Seas 6 to 10 ft. Chance of
showers with vsby 1 nm or less.
.SAT...N winds 25 to 35 kt. Seas 6 to 11 ft. Rain.
.SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.
.SUN...NE winds 20 to 30 kt. Seas 9 to 14 ft.
.SUN NIGHT...E winds 20 to 30 kt. Seas 9 to 14 ft.
.MON...E winds 25 to 35 kt. Seas 11 to 19 ft.
.MON NIGHT...E to NE winds 20 to 30 kt. Seas 10 to 18 ft.
.TUE...NE winds 20 to 30 kt. Seas 10 to 15 ft.
.TUE NIGHT...NE winds 20 to 30 kt. Seas 10 to 14 ft.
South of New England
...GALE WARNING...
.TONIGHT...S to SE winds 10 to 20 kt. Seas 4 to 7 ft.
.FRI...SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of showers.
.FRI NIGHT...N to NW winds 20 to 30 kt. Seas 5 to 9 ft. Chance
of rain with vsby 1 nm or less.
.SAT...N winds 25 to 35 kt. Seas 6 to 11 ft. Scattered showers.
.SAT NIGHT...N to NE winds 25 to 35 kt. Seas 8 to
OFFN01
NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
509 PM EDT Thu Oct 15 2026
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 will continue to build SE over the
region tonight, before a warm front lifts N over the waters Fri.
A strong cold front will quickly move E across the area Fri night
into Sat, before a series of low pressure troughs or secondary
cold fronts move SE over the waters Sat into Sun. Another high
will build E across the region Sun into Mon, then begin to shift
E Mon night into Tue as low pressure begins to approach the area
from the S. The low will remain S of the area Tue and Tue night
as another high builds in from the NW.
Eastport Maine to Cape Cod
.TONIGHT...S to SE winds 10 to 20 kt. Seas 5 to 8 ft.
.FRI...S winds 20 to 30 kt. Seas 5 to 8 ft. Chance of showers.
.FRI NIGHT...NW winds 20 to 30 kt. Seas 5 to 9 ft. Chance of
showers and areas of fog with vsby 1 nm or less.
.SAT...NW winds 20 to 30 kt. Seas 6 to 9 ft. Scattered showers.
.SAT NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft.
.SUN...N to NW winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft.
.MON...S winds 10 to 20 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 8 ft.
.TUE...N to NE winds 10 to 20 kt. Seas 6 to 10 ft.
.TUE NIGHT...N to NE winds 15 to 25 kt. Seas 5 to 9 ft.
Cape Cod to Nantucket Shoals and Georges Bank
...GALE WARNING...
.TONIGHT...E to SE winds 10 to 20 kt. Seas 6 to 10 ft.
.FRI...S winds 20 to 30 kt. Seas 4 to 8 ft. Chance of showers.
.FRI NIGHT...SW winds 20 to 30 kt. Seas 6 to 10 ft. Chance of
showers with vsby 1 nm or less.
.SAT...N winds 25 to 35 kt. Seas 6 to 11 ft. Rain.
.SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.
.SUN...NE winds 20 to 30 kt. Seas 9 to 14 ft.
.SUN NIGHT...E winds 20 to 30 kt. Seas 9 to 14 ft.
.MON...E winds 25 to 35 kt. Seas 11 to 19 ft.
.MON NIGHT...E to NE winds 20 to 30 kt. Seas 10 to 18 ft.
.TUE...NE winds 20 to 30 kt. Seas 10 to 15 ft.
.TUE NIGHT...NE winds 20 to 30 kt. Seas 10 to 14 ft.
South of New England
...GALE WARNING...
.TONIGHT...S to SE winds 10 to 20 kt. Seas 4 to 7 ft.
.FRI...SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of showers.
.FRI NIGHT...N to NW winds 20 to 30 kt. Seas 5 to 9 ft. Chance
of rain with vsby 1 nm or less.
.SAT...N winds 25 to 35 kt. Seas 6 to 11 ft. Scattered showers.
.SAT NIGHT...N to NE winds 25 to 35 kt. Seas 8 to