642  
FZNT21 KWBC 191509  
OFFNT1  
 
OFFSHORE WATERS FORECAST  
NWS OCEAN PREDICTION CENTER WASHINGTON DC  
1109 AM EDT TUE AUG 19 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.  
 
ANZ898-200315-  
1109 AM EDT TUE AUG 19 2025  
   
SYNOPSIS FOR NEW ENGLAND WATERS
 
HIGH PRESSURE OVER THE REGION  
TODAY WILL GRADUALLY SHIFT E OF THE AREA TONIGHT THROUGH WED  
NIGHT. HURRICANE ERIN IS EXPECTED TO PASS NE THROUGH THE OUTER  
MID-ATLANTIC WATERS THU NIGHT INTO FRI, REMAINING S OF THE  
WATERS, THEN MOVE FARTHER AWAY FROM THE AREA FRI NIGHT INTO SAT.  
LONG PERIOD S SWELL FROM HURRICANE ERIN WILL MOVE INTO THE  
REGION TODAY, THEN CONTINUE THROUGH THU NIGHT BEFORE BACKING TO  
THE SE AND E FRI NIGHT. A HIGH PRESSURE RIDGE WILL MOVE E ACROSS  
THE WATERS FRI NIGHT AND SAT, THEN SHIFT E OF THE AREA SAT NIGHT.  
FOR MORE INFORMATION ON HURRICANE ERIN, PLEASE CLOSELY MONITOR  
THE LATEST FORECASTS FROM THE NATIONAL HURRICANE CENTER.  
 

 
 
ANZ800-200315-  
GULF OF MAINE TO THE HAGUE LINE-  
1109 AM EDT TUE AUG 19 2025  
   
TODAY
 
NE WINDS 5 TO 10 KT, BECOMING VARIABLE. SEAS 3 TO 4 FT.   
TONIGHT
 
VARIABLE WINDS 5 KT OR LESS, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 TO 5 FT.    
WED
 
S TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 6 FT.    
WED NIGHT
 
E TO SE WINDS LESS THAN 10 KT. SEAS 4 TO 7 FT.  
CHANCE OF SHOWERS.    
THU
 
E WINDS 5 TO 15 KT, INCREASING TO 10 TO 20 KT. SEAS 7 TO  
11 FT.    
THU NIGHT
 
E TO NE WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.    
FRI
 
NE WINDS 20 TO 30 KT. SEAS 11 TO 19 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT, BECOMING N 5 TO 15 KT. SEAS  
10 TO 17 FT.    
SAT
 
N TO NE WINDS 5 TO 15 KT, BECOMING S TO SE. SEAS 6 TO  
11 FT.    
SAT NIGHT
 
S TO SW WINDS 10 TO 20 KT. SEAS 5 TO 9 FT.  
 

 
 
ANZ805-200315-  
GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM-  
1109 AM EDT TUE AUG 19 2025  
   
..TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT
 
 
   
TODAY
 
NE WINDS 5 TO 15 KT, BECOMING N TO NE. SEAS 4 TO 7 FT.    
TONIGHT
 
VARIABLE WINDS 5 KT OR LESS, BECOMING VARIABLE LESS  
THAN 10 KT. SEAS 4 TO 7 FT.    
WED
 
E TO SE WINDS 5 TO 15 KT. SEAS 5 TO 9 FT.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 7 TO 12 FT. CHANCE OF  
SHOWERS.    
THU
 
E WINDS 20 TO 30 KT. SEAS 13 TO 21 FT.    
THU NIGHT
 
E TO NE WINDS 30 TO 40 KT. SEAS 16 TO 28 FT.    
FRI
 
TROPICAL STORM CONDITIONS POSSIBLE.    
FRI NIGHT
 
N WINDS 20 TO 30 KT. SEAS 13 TO 21 FT.    
SAT
 
N WINDS 10 TO 20 KT, BECOMING E TO NE 5 TO 15 KT. SEAS  
8 TO 14 FT.    
SAT NIGHT
 
S TO SE WINDS 5 TO 15 KT. SEAS 6 TO 10 FT.  
 

 
 
ANZ900-200315-  
GEORGES BANK BETWEEN 68W AND THE HAGUE LINE-  
1109 AM EDT TUE AUG 19 2025  
   
..TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT
 
 
   
TODAY
 
NE WINDS 5 TO 10 KT, BECOMING VARIABLE. SEAS 4 TO 6 FT.   
TONIGHT
 
VARIABLE WINDS 5 KT OR LESS, BECOMING VARIABLE LESS  
THAN 10 KT. SEAS 4 TO 7 FT.    
WED
 
E WINDS 5 TO 15 KT. SEAS 5 TO 7 FT.    
WED NIGHT
 
E WINDS 5 TO 15 KT. SEAS 6 TO 10 FT.    
THU
 
E WINDS 15 TO 25 KT. SEAS 12 TO 19 FT.    
THU NIGHT
 
E WINDS 20 TO 30 KT, BECOMING E TO NE 30 TO 40 KT.  
SEAS 13 TO 27 FT.    
FRI
 
TROPICAL STORM CONDITIONS POSSIBLE.    
FRI NIGHT
 
TROPICAL STORM CONDITIONS POSSIBLE.    
SAT
 
N WINDS 10 TO 20 KT, BECOMING N TO NE 5 TO 15 KT. SEAS  
9 TO 16 FT.    
SAT NIGHT
 
S TO SE WINDS LESS THAN 10 KT. SEAS 7 TO 11 FT.  
 

 
 
ANZ810-200315-  
SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL AND MONTAUK  
POINT TO 1000 FM-  
1109 AM EDT TUE AUG 19 2025  
   
..TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT
 
 
   
TODAY
 
E WINDS 10 TO 15 KT, BECOMING VARIABLE 5 TO 15 KT. SEAS  
4 TO 7 FT.    
TONIGHT
 
VARIABLE WINDS 5 KT OR LESS, BECOMING VARIABLE LESS  
THAN 10 KT. SEAS 5 TO 8 FT.    
WED
 
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT. SEAS 6 TO  
10 FT.    
WED NIGHT
 
E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. CHANCE OF  
SHOWERS.    
THU
 
E TO NE WINDS 20 TO 30 KT. SEAS 13 TO 22 FT.    
THU NIGHT
 
E TO NE WINDS 30 TO 40 KT. SEAS 16 TO 28 FT.    
FRI
 
TROPICAL STORM CONDITIONS POSSIBLE.    
FRI NIGHT
 
N TO NE WINDS 20 TO 30 KT, BECOMING N 10 TO 20 KT.  
SEAS 12 TO 20 FT.    
SAT
 
N TO NE WINDS 10 TO 20 KT, BECOMING E TO NE 5 TO 15 KT.  
SEAS 8 TO 14 FT.    
SAT NIGHT
 
S TO SE WINDS 5 TO 10 KT. SEAS 6 TO 10 FT.  
 

 
 
ANZ815-200315-  
SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY HOOK TO  
1000 FM-  
1109 AM EDT TUE AUG 19 2025  
   
TODAY
 
E WINDS 10 TO 15 KT, BECOMING VARIABLE 5 TO 15 KT. SEAS  
5 TO 8 FT.    
TONIGHT
 
VARIABLE WINDS 5 KT OR LESS, BECOMING VARIABLE 5 TO  
15 KT. SEAS 5 TO 8 FT.    
WED
 
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. CHANCE OF  
SHOWERS.    
WED NIGHT
 
E WINDS 15 TO 25 KT. SEAS 8 TO 14 FT. CHANCE OF  
SHOWERS.    
THU
 
E WINDS 25 TO 30 KT, BECOMING NE. SEAS 15 TO 24 FT.    
THU NIGHT
 
NE WINDS 25 TO 30 KT. SEAS 15 TO 26 FT.    
FRI
 
N TO NE WINDS 20 TO 30 KT. SEAS 13 TO 22 FT.    
FRI NIGHT
 
NE WINDS 15 TO 25 KT, BECOMING N TO NE LESS THAN  
10 KT. SEAS 10 TO 17 FT.    
SAT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING S TO SE. SEAS  
7 TO 12 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 8 FT.  
 

 
 
.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HPC Page Main Text Page