387
FZUS51 KBOX 270205
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 PM EDT SUN APR 26 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-271500-
1005 PM EDT SUN APR 26 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES WELL SOUTH OF THE BENCHMARK LATE TODAY MEANDERS IN THAT
AREA INTO TUE BEFORE DROPPING FURTHER SOUTH. OTHERWISE...HIGH PRES
IN CONTROL OF OUR WATERS EARLY THIS WEEK. LOW PRES THEN APPROACHES
FROM THE WEST WED AND INTENSIFIES OFF THE COAST THU EVENTUALLY
LIFTING INTO MAINE FRI.
ANZ250-271500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
LIGHT AND VARIABLE WINDS, BECOMING NE 5 TO 10 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND NE
1 FOOT AT 4 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS AND NE 3 FT AT 9 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT AND WED
E WINDS AROUND 10 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: E 7 FT AT 10 SECONDS AND NE 1 FOOT AT 3 SECONDS. A CHANCE
OF SHOWERS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS AROUND 10 KT, BECOMING NE 15 TO
20 KT. SEAS 5 TO 7 FT. SHOWERS.
FRI AND FRI NIGHT
NW WINDS 15 TO 20 KT. SEAS 5 TO 7 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.
ANZ251-271500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
SE WINDS AROUND 5 KT, BECOMING NE. SEAS 1 FOOT OR
LESS. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT
4 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 8 SECONDS AND SE 2 FT AT 13 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS AROUND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
E 5 FT AT 10 SECONDS AND NE 2 FT AT 6 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WED
NE WINDS AROUND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND NE 2 FT AT 6 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU
E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS
LIKELY.
FRI
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 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.
ANZ231-271500-
CAPE COD BAY-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING NE. SEAS 1 FOOT OR
LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
8 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND NE 2 FT AT 9 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 9 SECONDS AND NE 2 FT AT 12 SECONDS.
TUE
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND N 2 FT AT
3 SECONDS.
TUE NIGHT AND WED
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 10 SECONDS AND N 1 FOOT AT 3 SECONDS. A CHANCE
OF SHOWERS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 10 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
FRI
NW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
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.
ANZ254-271500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 PM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT MONDAY THROUGH
TUESDAY MORNING...
OVERNIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
5 SECONDS AND S 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND
N 3 FT AT 3 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND N 3 FT AT
3 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND N 3 FT AT 4 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT AND WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND NE 4 FT AT
5 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND E 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS AROUND 10 KT, BECOMING S 15 TO
20 KT. SEAS 5 TO 7 FT. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.
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.
ANZ255-271500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 PM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT MONDAY THROUGH
TUESDAY MORNING...
OVERNIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND E 3 FT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND N 3 FT AT 3 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 3 FT AT
4 SECONDS.
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. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
TUE NIGHT AND WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND N 3 FT AT
4 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND NE 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
THU
E WINDS AROUND 10 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
FRI
W WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT.
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.
ANZ256-271500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 PM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT MONDAY THROUGH
TUESDAY MORNING...
OVERNIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E 1 FOOT AT
13 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND N 2 FT AT 3 SECONDS.
MON NIGHT
NE 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 N 2 FT AT
4 SECONDS.
TUE
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND N
3 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND N
2 FT AT 4 SECONDS.
WED
NE WINDS AROUND 10 KT, BECOMING E IN THE AFTERNOON. SEAS
5 TO 6 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU
E WINDS AROUND 10 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
W WINDS 20 TO 25 KT, BECOMING NW 15 TO
20 KT. SEAS 4 TO 6 FT.
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.
ANZ232-271500-
NANTUCKET SOUND-
1005 PM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT MONDAY THROUGH
MONDAY EVENING...
OVERNIGHT
E WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 8 SECONDS AND N 1 FOOT AT
2 SECONDS. A SLIGHT CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
3 FT AT 10 SECONDS AND NE 2 FT AT 5 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE
2 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS AROUND 10 KT, BECOMING W 15 TO
20 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
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.
ANZ233-271500-
VINEYARD SOUND-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 7 SECONDS AND E 1 FOOT AT 3 SECONDS.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 2 FT AT
8 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE
NE 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 SE 1 FOOT AT
10 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 10 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS 5 TO 10 KT, BECOMING NW 15 TO 20 KT.
SEAS 2 TO 3 FT. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
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.
ANZ234-271500-
BUZZARDS BAY-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT
8 SECONDS, BECOMING E 2 FT AT 8 SECONDS AND E 1 FOOT AT
2 SECONDS.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 2 SECONDS AND SE 2 FT AT
9 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 11 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
11 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 2 FT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
WED
NE WINDS AROUND 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT AT
10 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS 5 TO 10 KT, BECOMING NW 15 TO 20 KT.
SEAS AROUND 2 FT. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 TO 20 KT. SEAS AROUND 2 FT.
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.
ANZ235-271500-
RHODE ISLAND SOUND-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND SE 2 FT AT 6 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND N 2 FT AT 3 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 9 SECONDS AND NE 2 FT AT 3 SECONDS.
TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND N 2 FT AT 3 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SE 4 FT AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
WED
NE WINDS AROUND 10 KT, BECOMING E IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND N 2 FT AT
3 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU
E WINDS AROUND 10 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
THU NIGHT AND FRI
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A
CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
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.
ANZ237-271500-
BLOCK ISLAND SOUND-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
E WINDS 5 TO 10 KT, BECOMING NE. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 3 FT AT 9 SECONDS AND SE 2 FT AT 6 SECONDS.
MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND NE 2 FT AT 3 SECONDS.
MON NIGHT
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 9 SECONDS AND NE 2 FT AT 3 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND NE 2 FT AT 4 SECONDS.
WED
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND E 2 FT AT
5 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
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.
ANZ230-271500-
BOSTON HARBOR-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING NE. WAVES 1 FOOT OR
LESS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE. A CHANCE OF SHOWERS IN THE
MORNING.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT.
WAVES 2 TO 3 FT. SHOWERS.
FRI AND FRI NIGHT
NW WINDS 15 TO 20 KT. WAVES AROUND 2 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.
ANZ236-271500-
NARRAGANSETT BAY-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING N. WAVES AROUND 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
2 TO 3 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS LIKELY.
THU NIGHT AND FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
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.
ANZ280-271500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
N WINDS AROUND 5 KT, BECOMING NE. SEAS AROUND 2 FT.
WAVE DETAIL: E 2 FT AT 11 SECONDS AND NE 1 FOOT AT 3 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND NE 2 FT AT 3 SECONDS.
MON NIGHT
E WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 2 FT AT 4 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 10 SECONDS AND NE 1 FOOT AT
2 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT AND WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND NE 1 FOOT
AT 3 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 8 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 7 TO 8 FT. SHOWERS.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 6 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.
ANZ281-271500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS AND E 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS THIS
EVENING.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 8 SECONDS AND NE 3 FT AT
5 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N 3 FT AT 4 SECONDS.
TUE NIGHT THROUGH WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 7 TO 10 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND
NE 4 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO
20 KT. SEAS 7 TO 8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND SE
4 FT AT 5 SECONDS. SHOWERS LIKELY.
FRI
W WINDS 15 TO 20 KT. SEAS 7 TO 8 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.
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.
ANZ282-271500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND E 2 FT AT
12 SECONDS. A CHANCE OF SHOWERS THIS EVENING.
MON
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 9 SECONDS AND NE 4 FT AT 5 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 8 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS AND N 4 FT AT
5 SECONDS.
TUE
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N 4 FT AT 5 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 7 TO 10 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N 3 FT AT
4 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 6 TO 7 FT. WAVE DETAIL: E
7 FT AT 9 SECONDS AND E 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SE WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT
WITH GUSTS UP TO 25 KT. SEAS 6 TO 7 FT, BUILDING TO 6 TO 9 FT.
SHOWERS LIKELY.
FRI
W WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 7 TO
9 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 8 FT.
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.
ANZ283-271500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 PM EDT SUN APR 26 2026
OVERNIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS AND NE 4 FT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
MON
NE 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: NE
5 FT AT 7 SECONDS AND N 2 FT AT 2 SECONDS, BECOMING E 7 FT AT
9 SECONDS AND N 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND N 3 FT AT
5 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 4 FT AT 5 SECONDS.
TUE NIGHT AND WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 3 FT AT
5 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND NE 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 8 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
W WINDS 20 TO 25 KT, BECOMING NW 15 TO
20 KT. SEAS 5 TO 8 FT.
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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