332
FZUS51 KBOX 251405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 AM EDT SAT APR 25 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-260300-
1005 AM EDT SAT APR 25 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES WILL REMAIN NEAR SOUTHERN NEW ENGLAND TODAY. LOW PRES IS
EXPECTED TO TRACK THROUGH THE SOUTHERN OFFSHORE WATERS SUN BEFORE
MOVING INTO THE MARITIMES. HIGH PRES THEN REASSERTS ITSELF INTO THE
REGION EARLY NEXT WEEK.
ANZ250-260300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 9 SECONDS AND E 2 FT AT 14 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 9 SECONDS AND E 2 FT AT 13 SECONDS.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 11 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SE
3 FT AT 8 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 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.
ANZ251-260300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT, BECOMING E. SEAS AROUND
2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
6 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND E 2 FT AT 13 SECONDS.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 8 SECONDS AND E 2 FT AT 11 SECONDS.
MON AND MON NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND E 2 FT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A
CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ231-260300-
CAPE COD BAY-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 7 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS
AND NW 1 FOOT AT 2 SECONDS, BECOMING N 1 FOOT AT 2 SECONDS AND SE
1 FOOT AT 8 SECONDS.
MON
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE
1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
WED
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 2 TO 3 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.
ANZ254-260300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TONIGHT
W WINDS AROUND 5 KT, BECOMING NE AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 13 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN.
SUN NIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 3 SECONDS AND S 2 FT AT 8 SECONDS. A CHANCE OF RAIN IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT 8 SECONDS. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND NE 3 FT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 8 FT. A CHANCE OF 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.
ANZ255-260300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
TONIGHT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 4 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND SE 3 FT AT
7 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON AND MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND N 4 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 9 SECONDS AND N 3 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 8 FT. A CHANCE OF 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.
ANZ256-260300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND E 2 FT AT 13 SECONDS.
RAIN LIKELY.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E 1 FOOT AT
13 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND N 3 FT AT
4 SECONDS.
TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT.
TUE NIGHT AND WED
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ232-260300-
NANTUCKET SOUND-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN.
SUN NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND E
1 FOOT AT 3 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND E 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF 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.
ANZ233-260300-
VINEYARD SOUND-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS AROUND 10 KT, BECOMING E. SEAS 1 FOOT
OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS
AND N 1 FOOT AT 3 SECONDS.
SUN
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF RAIN
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 2 FT AT 10 SECONDS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A
CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 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.
ANZ234-260300-
BUZZARDS BAY-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT, BECOMING E. SEAS 1 FOOT OR
LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS
AND N 1 FOOT AT 3 SECONDS.
SUN
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND NW
1 FOOT AT 3 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 6 SECONDS. A CHANCE OF RAIN.
SUN NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND
NE 1 FOOT AT 2 SECONDS. A CHANCE OF RAIN IN THE EVENING.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE
2 FT AT 9 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 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.
ANZ235-260300-
RHODE ISLAND SOUND-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT, BECOMING SE. SEAS AROUND
2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
6 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND E 2 FT AT
4 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
NE WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND NE 2 FT AT
4 SECONDS.
TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ237-260300-
BLOCK ISLAND SOUND-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
SE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN
IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
RAIN LIKELY.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 5 SECONDS AND S 2 FT AT
8 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND NE 2 FT AT
4 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
WED
NE WINDS AROUND 10 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 5 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.
ANZ230-260300-
BOSTON HARBOR-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON AND MON NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
TUE
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. WAVES 2 TO 3 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.
ANZ236-260300-
NARRAGANSETT BAY-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
E WINDS AROUND 5 KT, BECOMING SE. WAVES 1 FOOT
OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF RAIN.
SUN NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 2 TO 3 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.
ANZ280-260300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND E 2 FT AT
13 SECONDS.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 10 SECONDS AND E 2 FT AT 12 SECONDS.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND NW 1 FOOT
AT 3 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 8 SECONDS AND S 2 FT AT 8 SECONDS.
TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 7 TO 9 FT. A CHANCE OF 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.
ANZ281-260300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND E 3 FT AT 14 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 13 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF RAIN.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND N 2 FT AT
4 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS AND E 2 FT AT 12 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT,
INCREASING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT AT
7 SECONDS AND S 2 FT AT 7 SECONDS, BECOMING NE 7 FT AT 7 SECONDS
AND N 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
TUE
NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 10 FT.
WED AND WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 8 TO 10 FT. A CHANCE OF 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.
ANZ282-260300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND N 2 FT AT 5 SECONDS.
SUN
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 4 SECONDS AND E 3 FT AT 13 SECONDS. RAIN.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS AND E 2 FT AT
12 SECONDS. RAIN LIKELY IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 7 FT AT 8 SECONDS AND NE 4 FT AT 5 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND NE 4 FT AT
5 SECONDS. A CHANCE OF SHOWERS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 7 TO 10 FT.
WED AND WED NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 7 TO 10 FT. A CHANCE OF 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.
ANZ283-260300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 AM EDT SAT APR 25 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF RAIN IN
THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT, BECOMING NE 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS, BECOMING SE 5 FT AT 6 SECONDS AND SE 5 FT AT
9 SECONDS. RAIN.
SUN NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
6 FT AT 8 SECONDS AND NE 5 FT AT 5 SECONDS. A CHANCE OF RAIN IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON AND MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS AND NE 4 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND N 3 FT AT
4 SECONDS.
WED AND WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 7 TO 9 FT. A CHANCE OF 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.
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