829  
FZUS51 KBOX 281104  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
704 AM EDT SAT MAR 28 2026  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-290000-  
704 AM EDT SAT MAR 28 2026  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS  
 
A LARGE HIGH PRES TO THE W WILL LEAD TO N TO NE WINDS TODAY, BUT NOT  
NEARLY AS STRONG. TRANQUIL BOATING WEATHER LINGERS INTO EARLY NEXT  
WEEK AS A HIGH PRES MOVE OFFSHORE THE MID ATLC COAST. A LOW PRES  
MOVING ACROSS THE GREAT LAKES INTO THE SAINT LAWRENCE VALLEY FOR WED  
MAY BRING SOME SHOWERS TO THE WATERS.  
 
 
 
ANZ250-290000-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.   
TONIGHT  
S WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO  
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT  
5 SECONDS AND NW 2 FT AT 3 SECONDS.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 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.    
SUN NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT  
8 SECONDS.    
MON AND MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E 1 FOOT AT  
8 SECONDS.    
TUE  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND E 1 FOOT AT  
8 SECONDS. A CHANCE OF RAIN.    
TUE NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
4 TO 6 FT. A CHANCE OF RAIN.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. RAIN 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.  
 
 
 
ANZ251-290000-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.  
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND SE 1 FOOT  
AT 9 SECONDS.    
TONIGHT  
S WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO  
20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT  
3 SECONDS AND NE 2 FT AT 6 SECONDS.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT  
AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
SW 3 FT AT 4 SECONDS AND E 1 FOOT AT 4 SECONDS.    
MON AND MON NIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT  
8 SECONDS.    
TUE  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.  
A CHANCE OF RAIN.    
TUE NIGHT AND WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 3 TO 5 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. RAIN 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.  
 
 
 
ANZ231-290000-  
CAPE COD BAY-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS.   
TONIGHT  
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS  
UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT  
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.    
SUN  
W WINDS AROUND 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS  
UP TO 25 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N  
2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND NE 1 FOOT AT  
5 SECONDS.    
MON AND MON NIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT  
AT 8 SECONDS.    
TUE  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S 2 FT AT 9 SECONDS. A  
CHANCE OF RAIN.    
TUE NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. RAIN 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.  
 
 
 
ANZ254-290000-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT  
AT 6 SECONDS AND S 3 FT AT 8 SECONDS.    
TONIGHT  
N WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS  
UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT  
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.    
SUN  
NW WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS  
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW  
3 FT AT 4 SECONDS AND NE 2 FT AT 5 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT  
8 SECONDS.    
MON AND 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 5 SECONDS AND SE 4 FT AT  
8 SECONDS.    
TUE  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND S 4 FT AT 5 SECONDS.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 8 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
9 FT. A CHANCE OF RAIN.    
WED NIGHT  
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. RAIN 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.  
 
 
 
ANZ255-290000-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT  
AT 8 SECONDS AND N 3 FT AT 4 SECONDS.    
TONIGHT  
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND  
NE 2 FT AT 5 SECONDS.    
SUN  
NW WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS  
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT  
AT 5 SECONDS AND NE 2 FT AT 5 SECONDS.    
SUN NIGHT  
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 NE 1 FOOT AT  
5 SECONDS.    
MON  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND SE 7 FT AT 9 SECONDS.   
MON NIGHT  
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL:  
SW 6 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.    
TUE  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
7 TO 10 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO  
10 FT. A CHANCE OF RAIN.    
WED NIGHT  
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. RAIN 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.  
 
 
 
ANZ256-290000-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT THIS  
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND N  
3 FT AT 4 SECONDS.    
TONIGHT  
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW  
3 FT AT 4 SECONDS AND NE 2 FT AT 4 SECONDS.    
SUN  
NW WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS  
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW  
4 FT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.    
SUN NIGHT  
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 1 FOOT AT  
5 SECONDS.    
MON AND MON NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 6 FT AT  
8 SECONDS.    
TUE  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
7 TO 10 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO  
10 FT. A CHANCE OF RAIN.    
WED NIGHT  
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
6 TO 9 FT. RAIN 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.  
 
 
 
ANZ232-290000-  
NANTUCKET SOUND-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT 8 SECONDS.   
TONIGHT  
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS  
UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW  
2 FT AT 3 SECONDS AND NE 2 FT AT 4 SECONDS.    
SUN  
W WINDS AROUND 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS  
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW  
3 FT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL:  
SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.    
MON AND MON NIGHT  
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 SE 2 FT AT  
9 SECONDS.    
TUE  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
4 TO 6 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. A CHANCE OF RAIN.    
WED NIGHT  
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. RAIN 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.  
 
 
 
ANZ233-290000-  
VINEYARD SOUND-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.  
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT  
8 SECONDS.    
TONIGHT  
W WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO  
20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT  
4 SECONDS AND S 2 FT AT 7 SECONDS.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT  
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND NE 1 FOOT AT  
5 SECONDS.    
MON AND MON NIGHT  
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE  
DETAIL: SW 4 FT AT 7 SECONDS.    
TUE  
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT  
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF RAIN.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. A CHANCE OF RAIN.    
WED NIGHT  
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. RAIN 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.  
 
 
 
ANZ234-290000-  
BUZZARDS BAY-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND  
2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.    
TONIGHT  
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND NE 1 FOOT AT  
3 SECONDS.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN  
THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND NE 1 FOOT  
AT 5 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT  
5 SECONDS.    
SUN NIGHT  
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 NE 1 FOOT AT  
5 SECONDS.    
MON AND MON NIGHT  
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 SW 4 FT AT  
8 SECONDS.    
TUE  
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT  
AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
3 TO 5 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. RAIN 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.  
 
 
 
ANZ235-290000-  
RHODE ISLAND SOUND-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT THIS  
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S  
3 FT AT 8 SECONDS.    
TONIGHT  
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 S 2 FT AT  
7 SECONDS.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT  
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.    
SUN NIGHT  
SW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT  
8 SECONDS.    
MON AND 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.    
TUE  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 1 FOOT AT  
3 SECONDS. A CHANCE OF RAIN.    
TUE NIGHT  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 8 FT.    
WED  
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO  
8 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. RAIN 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.  
 
 
 
ANZ237-290000-  
BLOCK ISLAND SOUND-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW  
THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS  
AND N 2 FT AT 4 SECONDS.    
TONIGHT  
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 S 2 FT AT  
7 SECONDS.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT  
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT  
8 SECONDS.    
MON AND MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS.    
TUE  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.  
A CHANCE OF RAIN.    
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 5 TO  
8 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. RAIN 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.  
 
 
 
ANZ230-290000-  
BOSTON HARBOR-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE  
5 TO 10 KT THIS AFTERNOON. WAVES AROUND 2 FT.    
TONIGHT  
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.  
WAVES AROUND 2 FT.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE  
AFTERNOON. WAVES AROUND 2 FT.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. WAVES AROUND 2 FT.    
MON AND MON NIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT.    
TUE THROUGH WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
WAVES 2 TO 3 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. RAIN 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.  
 
 
 
ANZ236-290000-  
NARRAGANSETT BAY-  
704 AM EDT SAT MAR 28 2026  
   
TODAY  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.  
WAVES AROUND 2 FT.    
TONIGHT  
NW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.    
SUN  
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT  
IN THE AFTERNOON.    
SUN NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
2 TO 3 FT.    
MON AND MON NIGHT  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
WAVES 2 TO 3 FT.    
TUE  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO  
4 FT. A CHANCE OF RAIN.    
TUE NIGHT  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES  
3 TO 5 FT.    
WED  
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 6 TO  
7 FT. A CHANCE OF RAIN.    
WED NIGHT  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
5 TO 7 FT. RAIN 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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