222
FZNT23 KWNM 201517
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
1117 AM EDT Tue Apr 20 2021

Conditions given represent the highest within that period.

...Please refer to Coastal Waters Forecasts (CWF) available
through NOAA Weather Radio and other means for detailed coastal
waters forecasts...

.SYNOPSIS...A high pressure ridge will persist today, and then
shift E of the area tonight into early Wed as a strong cold front
approaches from the W. The cold front will move E over the waters
later Wed into Wed night as an intensifying low pressure tracks
NE along the coast. The cold front will clear E of the waters by
early Thu, with a secondary cold front crossing the area later
Thu into Thu night. A series of low pressure troughs will move SE
across the waters Fri and Fri night. A high pressure ridge will
build E across the region Sat into Sat night. A developing low
pressure system will approach the waters from the SW later Sat
night.

Eastport Maine to Cape Cod

...GALE WARNING...

.TODAY...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
3 to 5 ft.
.TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. Slight
chance of showers.
.WED...S winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers.
.WED NIGHT...W winds 25 to 35 kt. Seas 6 to 11 ft. Numerous
showers and scattered tstms.
.THU...W winds 30 to 40 kt. Seas 9 to 16 ft.
.THU NIGHT...W winds 25 to 35 kt. Seas 10 to 15 ft.
.FRI...W winds 25 to 35 kt. Seas 9 to 13 ft.
.FRI NIGHT...W winds 15 to 25 kt. Seas 7 to 11 ft.
.SAT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft.
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft.

Cape Cod to Nantucket Shoals and Georges Bank

...GALE WARNING...

.TODAY...W to SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas
3 to 4 ft.
.TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...S winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers.
.WED NIGHT...W winds 25 to 35 kt. Seas 7 to 12 ft. Numerous
showers and scattered tstms.
.THU...W winds 30 to 40 kt. Seas 11 to 17 ft.
.THU NIGHT...W winds 30 to 40 kt. Seas 11 to 18 ft.
.FRI...W winds 25 to 35 kt. Seas 11 to 15 ft.
.FRI NIGHT...W winds 20 to 30 kt. Seas 9 to 15 ft.
.SAT...W winds 10 to 20 kt. Seas 5 to 9 ft.
.SAT NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft.

South of New England

...GALE WARNING...

.TODAY...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft.
.TONIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...S winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers
and tstms.
.WED NIGHT...W winds 25 to 35 kt. Seas 7 to 13 ft. Scattered
showers and tstms.
.THU...W winds 25 to 35 kt. Seas 10 to 15 ft.
.THU NIGHT...W winds 25 to 35 kt. Seas 9 to 15 ft.
.FRI...W winds 20 to 30 kt. Seas 8 to 12 ft.
.FRI NIGHT...W winds 20 to 30 kt. Seas 7 to 10 ft.
.SAT...SW winds 10 to 20 kt. Seas 4 to 7 ft.
.SAT NIGHT...S to SE winds 20 to 30 kt. Seas 4 to 7 ft.