National Weather Service Marine Forecast FZNT23 KWNM

FZNT23 KWNM 210839
OFFN01

NAVTEX Marine Forecast for NE US waters
NWS Ocean Prediction Center Washington DC
439 AM EDT Sun Jun 21 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
Broad complex low pressure will slowly move E across the Gulf of Saint Lawrence and Newfoundland today and tonight with a series of weak cold fronts or troughs progressing over the waters. High pressure will briefly build over the waters Mon and Mon night before retreating to the E as a cold front approaches from the W. The cold front will cross the waters Tue and Tue night. Then high pressure builds over the waters Wed and Wed night. Another weak low may cross the waters Thu and Thu night.

Eastport Maine to Cape Cod

TODAY
SW winds less than 10 kt. Seas 3 to 6 ft.

TONIGHT
Variable winds less than 10 kt. Seas 3 to 4 ft.

MON
S winds less than 10 kt. Seas 3 to 4 ft.

MON NIGHT
SE winds 10 to 20 kt. Seas 3 to 6 ft. Chance of rain with vsby 1 nm or less.

TUE
S winds 10 to 20 kt. Seas 3 to 6 ft.

TUE NIGHT
N to NW winds 5 to 15 kt. Seas 3 to 5 ft.

WED
W to SW winds 5 to 15 kt. Seas 3 to 5 ft.

WED NIGHT
S to SW winds less than 10 kt. Seas 3 to 4 ft.

THU
S winds 5 to 15 kt. Seas 3 to 4 ft.

THU NIGHT
S winds 5 to 15 kt. Seas 3 to 4 ft.

Cape Cod to Nantucket Shoals and Georges Bank

TODAY
W to SW winds 10 to 20 kt. Seas 4 to 8 ft.

TONIGHT
W winds 10 to 20 kt. Seas 3 to 6 ft.

MON
S to SW winds 5 to 15 kt. Seas 3 to 4 ft.

MON NIGHT
S winds 10 to 20 kt. Seas 3 to 6 ft.

TUE
S winds 15 to 25 kt. Seas 4 to 7 ft.

TUE NIGHT
W to SW winds 15 to 25 kt. Seas 4 to 8 ft.

WED
NW winds 10 to 20 kt. Seas 4 to 6 ft.

WED NIGHT
Variable winds less than 10 kt. Seas 3 to 5 ft.

THU
S to SE winds less than 10 kt. Seas 3 to 4 ft.

THU NIGHT
SE winds 5 to 15 kt. Seas 3 to 4 ft.

South of New England

TODAY
W to SW winds 5 to 15 kt. Seas 3 to 5 ft.

TONIGHT
W to SW winds 5 to 15 kt. Seas 3 to 4 ft.

MON
S to SE winds 15 to 25 kt. Seas 3 to 5 ft. Chance of rain with vsby 1 nm or less.

MON NIGHT
S winds 15 to 25 kt. Seas 4 to 6 ft. Scattered showers and tstms with vsby 1 nm or less.

TUE
W to SW winds 10 to 20 kt. Seas 4 to 6 ft.

TUE NIGHT
N to NW winds 10 to 20 kt. Seas 3 to 6 ft.

WED
Variable winds 5 to 15 kt. Seas 3 to 5 ft.

WED NIGHT
SW winds less than 10 kt. Seas 3 to 4 ft.

THU
S winds 10 to 20 kt. Seas 3 to 4 ft.

THU NIGHT
S winds 5 to 15 kt. Seas 3 to 4 ft.