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FZNT21 KWBC 202017

OFFNT1



Offshore Waters Forecast

NWS Ocean Prediction Center Washington DC

417 PM EDT Fri Jun 20 2025



New England continental shelf and slope waters from 25 nm

offshore to the Hague Line, except to 1000 fm south of New

England.



Seas given as significant wave height, which is the average

height of the highest 1/3 of the waves. Individual waves may be

more than twice the significant wave height.



Locally higher winds and seas can be expected in and near tstms.



ANZ898-210815-

417 PM EDT Fri Jun 20 2025



.SYNOPSIS FOR NEW ENGLAND WATERS...A weak cold front or low

pressure trough will move across the area this evening. A weak 

high pressure ridge will move E over the waters Sat, then pass E 

of the area Sat night. A weak area of low pressure will move SE 

into the Gulf of Maine Sun evening, then continue moving E away 

from the area Sun night into Mon, with a weak cold front trailing

SW from the low. Weak troughing will persist along the Maine 

coast behind the low through Tue, followed by another cold front 

approaching and entering the waters from the NW Tue night. The 

front will slow and become stationary across the area Wed and 

weaken through Wed night.



$$



ANZ800-210815-

Gulf of Maine to the Hague Line-

417 PM EDT Fri Jun 20 2025



.TONIGHT...W winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas

5 to 9 ft. 

.SAT...W winds 5 to 15 kt. Seas 3 to 5 ft. 

.SAT NIGHT...S to SW winds 5 to 15 kt, becoming S 10 to 20 kt.

Seas 3 to 4 ft. 

.SUN...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered

showers and slight chance of tstms. 

.SUN NIGHT...W to NW winds 5 to 15 kt, becoming N to NE 5 to

10 kt. Seas 3 to 6 ft. 

.MON...NE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. 

.MON NIGHT...S winds 5 to 15 kt, becoming SW 10 to 15 kt. Seas

3 to 4 ft. 

.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. 

.TUE NIGHT...W winds 5 to 10 kt, becoming N to NE 10 to 20 kt.

Seas 3 to 4 ft. 

.WED...NE winds 10 to 20 kt, becoming E to NE 5 to 15 kt. Seas

3 to 5 ft. 

.WED NIGHT...E to SE winds 5 to 10 kt, becoming S to SE. Seas

3 to 4 ft. 



$$



ANZ805-210815-

Georges Bank between Cape Cod and 68W north of 1000 FM-

417 PM EDT Fri Jun 20 2025



.TONIGHT...W winds 15 to 25 kt. Seas 4 to 8 ft. 

.SAT...W winds less than 10 kt. Seas 3 to 5 ft. 

.SAT NIGHT...S to SW winds 5 to 15 kt, increasing to 10 to

20 kt. Seas 3 to 4 ft. 

.SUN...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers

and slight chance of tstms. 

.SUN NIGHT...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt.

Seas 3 to 6 ft. 

.MON...N to NE winds less than 10 kt. Seas 3 to 5 ft. 

.MON NIGHT...Variable winds less than 10 kt, becoming S to SW.

Seas 3 to 4 ft. 

.TUE...SW winds 5 to 15 kt. Seas 3 to 4 ft. 

.TUE NIGHT...SW winds 5 to 15 kt, becoming N to NE 10 to 20 kt.

Seas 3 to 4 ft. 

.WED...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas

3 to 4 ft. 

.WED NIGHT...E winds less than 10 kt, becoming variable. Seas

3 to 4 ft. 



$$



ANZ900-210815-

Georges Bank between 68W and the Hague Line-

417 PM EDT Fri Jun 20 2025



.TONIGHT...W winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas

6 to 9 ft. 

.SAT...W to NW winds 5 to 10 kt. Seas 4 to 6 ft. 

.SAT NIGHT...W to SW winds less than 10 kt, becoming S to SW.

Seas 3 to 4 ft. 

.SUN...S winds 15 to 25 kt, becoming SW 20 to 25 kt. Seas 3 to

6 ft. Scattered showers and slight chance of tstms with vsby

1 nm or less. 

.SUN NIGHT...W to SW winds 10 to 20 kt, becoming W to NW 5 to

15 kt. Seas 4 to 6 ft. 

.MON...N to NE winds less than 10 kt. Seas 3 to 5 ft. 

.MON NIGHT...Variable winds less than 10 kt, becoming S to SW.

Seas 3 to 4 ft. 

.TUE...SW winds 5 to 15 kt. Seas 3 to 4 ft. 

.TUE NIGHT...SW winds 5 to 10 kt, becoming N to NE 5 to 15 kt.

Seas 3 to 4 ft. 

.WED...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. 

.WED NIGHT...E winds less than 10 kt, becoming variable. Seas

3 to 4 ft. 



$$



ANZ810-210815-

South of New England between the Great South Channel and Montauk

Point to 1000 FM-

417 PM EDT Fri Jun 20 2025



.TONIGHT...W winds 15 to 25 kt. Seas 4 to 8 ft. 

.SAT...W to SW winds 5 to 10 kt. Seas 3 to 5 ft. 

.SAT NIGHT...SW winds less than 10 kt, increasing to 5 to 15 kt.

Seas 3 to 4 ft. 

.SUN...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers

and slight chance of tstms. 

.SUN NIGHT...W winds 15 to 20 kt, becoming W to NW 5 to 15 kt.

Seas 4 to 6 ft. 

.MON...N winds less than 10 kt, becoming variable. Seas 3 to

5 ft. 

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

.TUE...SW winds 5 to 15 kt. Seas 3 to 4 ft. 

.TUE NIGHT...W to SW winds 5 to 15 kt, becoming N to NE. Seas

3 to 4 ft. 

.WED...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas

3 to 4 ft. 

.WED NIGHT...E winds 5 to 15 kt, becoming variable. Seas 3 to

4 ft. 



$$



ANZ815-210815-

South of Long Island between Montauk Point and Sandy Hook to

1000 FM-

417 PM EDT Fri Jun 20 2025



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

.SAT...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft. 

.SAT NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt.

Seas 3 to 4 ft. 

.SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft. 

.SUN NIGHT...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt.

Seas 3 to 6 ft. 

.MON...Variable winds less than 10 kt, becoming SE. Seas 3 to

4 ft. 

.MON NIGHT...S winds less than 10 kt, becoming W to SW. Seas

3 to 4 ft. 

.TUE...SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft.

.TUE NIGHT...W to SW winds 5 to 15 kt, becoming N to NW. Seas

3 to 4 ft. 

.WED...NE winds 10 to 20 kt, becoming E to NE 10 to 15 kt. Seas

3 to 4 ft. 

.WED NIGHT...E winds 5 to 15 kt, becoming variable. Seas 3 to

4 ft. 



$$



.Forecaster Joseph. Ocean Prediction Center.