726  
FZUS51 KBOX 030503  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
103 AM EDT SUN MAY 3 2026  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 60 NM  
 
ANZ200-031800-  
103 AM EDT SUN MAY 3 2026  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS  
 
UNSETTLED OVER THE WATERS TONIGHT AS A COASTAL LOW PRES TRACKS JUST  
SW OF THE 40N/70W BENCHMARK TONIGHT INTO SUN. HIGH PRES RETURNS OVER  
THE WATERS EARLY NEXT WEEK. WEATHER TRENDS BACK TO UNSETTLED LATE  
WEEK WITH A LOW PRES AND COLD FRONT MOVING THROUGH BRINGING SHOWERS  
AND THUNDERSTORMS.  
 
 
 
ANZ250-031800-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
103 AM EDT SUN MAY 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING  
THROUGH MONDAY AFTERNOON...  
   
REST OF TONIGHT  
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS. SHOWERS  
LIKELY.    
SUN  
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW  
3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS. SHOWERS LIKELY, MAINLY  
IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND NW 2 FT AT  
4 SECONDS.    
MON  
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT  
AT 9 SECONDS AND SW 4 FT AT 4 SECONDS.    
MON NIGHT THROUGH TUE NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP  
TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND E  
2 FT AT 9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 1 FOOT AT  
10 SECONDS. A CHANCE OF SHOWERS.    
WED NIGHT AND THU  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.  
SEAS 3 TO 5 FT. SHOWERS.   
THU NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 6 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ251-031800-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT 4 SECONDS. A CHANCE OF  
SHOWERS.    
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NW 2 FT AT 4 SECONDS.  
A CHANCE OF SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E  
4 FT AT 9 SECONDS AND NW 2 FT AT 3 SECONDS.    
MON  
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT  
AT 9 SECONDS AND SW 3 FT AT 4 SECONDS.    
MON NIGHT THROUGH TUE NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP  
TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E  
3 FT AT 9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS AROUND  
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT  
10 SECONDS. A CHANCE OF SHOWERS.    
WED NIGHT AND THU  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. SHOWERS.   
THU NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ231-031800-  
CAPE COD BAY-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 10 SECONDS.  
SHOWERS.   
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT  
10 SECONDS. SHOWERS, MAINLY IN THE MORNING.    
SUN NIGHT  
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
NW 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.    
MON  
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW  
3 FT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.    
MON NIGHT AND TUE  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT  
AT 6 SECONDS.    
TUE NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT  
9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. A CHANCE OF SHOWERS.    
WED NIGHT THROUGH THU NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP  
TO 30 KT. SEAS 3 TO 5 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ254-031800-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
103 AM EDT SUN MAY 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING  
THROUGH MONDAY AFTERNOON...  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT  
5 SECONDS. SHOWERS.   
SUN  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND W 3 FT AT 4 SECONDS.  
SHOWERS, MAINLY IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E  
6 FT AT 9 SECONDS AND NW 2 FT AT 4 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS.    
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 2 FT AT  
9 SECONDS.    
TUE AND TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.  
SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
5 FT.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT. A CHANCE OF SHOWERS.    
THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. SHOWERS LIKELY.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ255-031800-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
103 AM EDT SUN MAY 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING  
THROUGH MONDAY AFTERNOON...  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SW 2 FT AT  
5 SECONDS. SHOWERS.   
SUN  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND NW 4 FT AT 4 SECONDS.  
SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,  
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE  
DETAIL: SE 5 FT AT 9 SECONDS AND W 4 FT AT 6 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.    
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT  
9 SECONDS.    
TUE AND TUE NIGHT  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.  
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 4 FT AT  
9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 6 FT. A CHANCE OF SHOWERS.    
THU  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
6 TO 9 FT. SHOWERS LIKELY.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ256-031800-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
103 AM EDT SUN MAY 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING  
THROUGH MONDAY AFTERNOON...  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SW 2 FT AT  
4 SECONDS. SHOWERS.   
SUN  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND SE 4 FT AT 9 SECONDS.  
A CHANCE OF SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W  
4 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.    
MON NIGHT THROUGH TUE NIGHT  
S WINDS 25 TO 30 KT WITH GUSTS UP  
TO 35 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E  
2 FT AT 9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.  
A CHANCE OF SHOWERS.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. SHOWERS LIKELY.    
THU  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. SHOWERS.   
THU NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
7 TO 10 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ232-031800-  
NANTUCKET SOUND-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: E 2 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS.   
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.  
SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE  
2 FT AT 9 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.    
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
TUE AND TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.  
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
4 FT. A CHANCE OF SHOWERS.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 4 FT. SHOWERS LIKELY.    
THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
4 FT. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 6 FT. SHOWERS LIKELY.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ233-031800-  
VINEYARD SOUND-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: W 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.  
SHOWERS.   
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND S 2 FT AT 10 SECONDS.  
A CHANCE OF SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE  
2 FT AT 9 SECONDS.    
MON  
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND  
SE 2 FT AT 9 SECONDS.    
MON NIGHT THROUGH TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP  
TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND E  
1 FOOT AT 9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND E 1 FOOT AT  
7 SECONDS. A CHANCE OF SHOWERS.    
WED NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT. SHOWERS LIKELY.    
THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. SHOWERS.   
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 6 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ234-031800-  
BUZZARDS BAY-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: W 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.  
SHOWERS LIKELY.    
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND  
2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT  
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND  
SE 2 FT AT 9 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT  
8 SECONDS.    
MON NIGHT AND TUE  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 2 FT AT  
8 SECONDS.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO  
5 FT. A CHANCE OF SHOWERS.    
WED NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 4 FT. SHOWERS LIKELY.    
THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. SHOWERS.   
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 6 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ235-031800-  
RHODE ISLAND SOUND-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT  
9 SECONDS. A CHANCE OF SHOWERS.   
SUN  
NW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.   
SUN NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND W  
3 FT AT 5 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.   
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
TUE  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. A CHANCE OF SHOWERS.    
WED NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 6 FT. SHOWERS LIKELY.    
THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. SHOWERS.   
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ237-031800-  
BLOCK ISLAND SOUND-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT  
9 SECONDS. A CHANCE OF SHOWERS.   
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.    
SUN NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W  
2 FT AT 4 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.   
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 2 FT AT  
9 SECONDS.    
TUE AND TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.  
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 2 FT AT  
8 SECONDS.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. A CHANCE OF SHOWERS.    
WED NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT. SHOWERS LIKELY.    
THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO  
5 FT. SHOWERS.   
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ230-031800-  
BOSTON HARBOR-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A  
CHANCE OF SHOWERS.    
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND  
2 FT. A CHANCE OF SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.    
MON  
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.    
MON NIGHT THROUGH TUE NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP  
TO 30 KT. WAVES AROUND 2 FT.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND  
2 FT. A CHANCE OF SHOWERS.    
WED NIGHT THROUGH THU NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP  
TO 25 KT. WAVES AROUND 2 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ236-031800-  
NARRAGANSETT BAY-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A  
CHANCE OF SHOWERS.    
SUN  
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND  
2 FT.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,  
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO  
3 FT.    
MON NIGHT THROUGH TUE NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP  
TO 30 KT. WAVES 2 TO 4 FT.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO  
4 FT. A CHANCE OF SHOWERS.    
WED NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
2 TO 4 FT. SHOWERS LIKELY.    
THU  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO  
3 FT. SHOWERS.   
THU NIGHT  
SW WINDS 20 TO 25 KT. WAVES 4 TO 6 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ280-031800-  
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO  
60 NM-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
NW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE  
DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT 4 SECONDS. SHOWERS.   
SUN  
N WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT  
AT 9 SECONDS AND NW 3 FT AT 4 SECONDS. SHOWERS, MAINLY IN THE  
MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND NW 3 FT AT  
4 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS.    
MON NIGHT  
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT  
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL:  
SW 6 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.    
TUE AND TUE NIGHT  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.  
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
WED  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. A CHANCE OF SHOWERS.    
WED NIGHT AND THU  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.  
SEAS 4 TO 6 FT. SHOWERS.   
THU NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 8 FT. SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ281-031800-  
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT  
5 SECONDS. SHOWERS.   
SUN  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: E 5 FT  
AT 9 SECONDS AND W 3 FT AT 5 SECONDS, BECOMING SE 6 FT AT  
9 SECONDS AND NW 4 FT AT 5 SECONDS. SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND W 4 FT AT  
6 SECONDS.    
MON  
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE AFTERNOON.  
SEAS 5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 5 FT AT  
9 SECONDS.    
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 2 FT AT  
9 SECONDS.    
TUE AND TUE NIGHT  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.  
SEAS 5 TO 8 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
6 FT.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 6 FT. A CHANCE OF SHOWERS.    
THU  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
6 TO 9 FT. SHOWERS LIKELY.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ282-031800-  
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT  
5 SECONDS. SHOWERS.   
SUN  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND W 5 FT AT 6 SECONDS.  
SHOWERS IN THE MORNING.    
SUN NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
5 TO 8 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND E 6 FT AT  
9 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO  
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 5 FT AT 9 SECONDS.    
MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 3 FT AT  
9 SECONDS.    
TUE AND TUE NIGHT  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.  
SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
6 FT.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 6 FT. A CHANCE OF SHOWERS.    
THU  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
8 FT. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
7 TO 10 FT. SHOWERS LIKELY.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
ANZ283-031800-  
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-  
103 AM EDT SUN MAY 3 2026  
   
REST OF TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 3 FT AT  
9 SECONDS. SHOWERS.   
SUN  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: NW  
4 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS, BECOMING W 5 FT AT  
5 SECONDS AND E 5 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE  
MORNING.    
SUN NIGHT  
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W  
5 FT AT 6 SECONDS AND SE 5 FT AT 9 SECONDS.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.    
MON NIGHT THROUGH TUE NIGHT  
S WINDS 25 TO 30 KT WITH GUSTS UP  
TO 40 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E  
3 FT AT 9 SECONDS.    
WED  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E 1 FOOT AT  
10 SECONDS.    
WED NIGHT  
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. A CHANCE OF SHOWERS.    
THU  
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
9 FT. SHOWERS LIKELY.    
THU NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
8 TO 10 FT. SHOWERS LIKELY.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
 
 
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