815
FZUS51 KBOX 222304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT WED APR 22 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-231200-
703 PM EDT WED APR 22 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES BRINGS CLOUDS AND SCATTERED SHOWERS OVER THE WATERS INTO
EARLY TONIGHT, BEFORE MOVING OFFSHORE. HIGH PRES BUILDS IN FOR LATE
IN THE WEEK AND WEEKEND, BUT IT WILL BE UNSETTLED WITH PERIODS OF
CLOUDS.
ANZ250-231200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT WED APR 22 2026
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY FOG.
A SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
THU NIGHT
N WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND
NE 2 FT AT 6 SECONDS.
FRI NIGHT
S WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT AND SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND E 2 FT AT 15 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 5 TO 10 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.
ANZ251-231200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT WED APR 22 2026
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
2 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS
EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
THU NIGHT
N WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND NW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 6 SECONDS,
BECOMING S 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 7 SECONDS AND E 1 FOOT AT 15 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 5 TO 10 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.
ANZ231-231200-
CAPE COD BAY-
703 PM EDT WED APR 22 2026
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND
E 1 FOOT AT 6 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS
THIS EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 4 SECONDS, BECOMING N 1 FOOT AT 5 SECONDS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 5 SECONDS
AND E 1 FOOT AT 15 SECONDS.
SAT AND SAT NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 16 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ254-231200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS, MAINLY THIS EVENING.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 2 FT AT
9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
3 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 6 SECONDS AND NE 2 FT AT 7 SECONDS.
FRI NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND NE 2 FT AT 6 SECONDS.
SAT AND SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 3 FT AT 8 SECONDS AND E 3 FT AT 14 SECONDS.
SUN THROUGH MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
NE WINDS AROUND 10 KT. SEAS 3 TO 5 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.
ANZ255-231200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E
2 FT AT 10 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS, MAINLY THIS
EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT
6 SECONDS AND E 2 FT AT 10 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND W 2 FT AT 7 SECONDS.
FRI NIGHT
E WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND E 1 FOOT
AT 6 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 15 SECONDS AND NE 2 FT AT 6 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 10 TO 15 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.
ANZ256-231200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 15 TO 20 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND
SE 3 FT AT 9 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS
EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E
2 FT AT 10 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
N WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
3 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 7 SECONDS AND NE 2 FT AT 7 SECONDS.
FRI NIGHT AND SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 4 SECONDS AND S 2 FT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND S 2 FT AT 6 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 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.
ANZ232-231200-
NANTUCKET SOUND-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND SE 1 FOOT AT 16 SECONDS. PATCHY
FOG. A SLIGHT CHANCE OF SHOWERS THIS EVENING. VSBY 1 TO 3 NM,
DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 5 SECONDS AND E 1 FOOT AT
6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
1 FOOT AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 5 SECONDS AND SW
1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 6 SECONDS AND NE 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ233-231200-
VINEYARD SOUND-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT 12 SECONDS. PATCHY
FOG. A SLIGHT CHANCE OF SHOWERS THIS EVENING. VSBY 1 TO 3 NM,
DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND
SW 2 FT AT 6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 5 SECONDS AND W 2 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 6 SECONDS AND NE 1 FOOT AT
4 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT AND SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NE 1 FOOT AT 5 SECONDS AND SW 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ234-231200-
BUZZARDS BAY-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
S 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS THIS EVENING. VSBY 1 TO 3 NM, DECREASING TO
1 NM OR LESS AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS
AND W 2 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 6 SECONDS AND NE 1 FOOT AT 6 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND W 1 FOOT AT 6 SECONDS, BECOMING NE 1 FOOT
AT 3 SECONDS AND SW 1 FOOT AT 6 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT AND SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ235-231200-
RHODE ISLAND SOUND-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. PATCHY FOG.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND
SE 1 FOOT AT 10 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
THU NIGHT
N WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 3 FT AT 7 SECONDS AND SE 2 FT AT 6 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND SW 2 FT AT
7 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT
17 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: NE 3 FT AT 4 SECONDS AND S 2 FT AT 6 SECONDS.
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.
ANZ237-231200-
BLOCK ISLAND SOUND-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
E AROUND 5 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
W 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: SE
3 FT AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 6 SECONDS AND E 2 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND S 2 FT AT
7 SECONDS.
FRI NIGHT AND SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 1 FOOT AT 6 SECONDS AND SE 1 FOOT AT 16 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT
16 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
E WINDS 5 TO 10 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.
ANZ230-231200-
BOSTON HARBOR-
703 PM EDT WED APR 22 2026
TONIGHT
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT THIS EVENING, THEN 1 FOOT OR LESS.
PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS EVENING. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN THROUGH MON NIGHT
E WINDS 5 TO 10 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.
ANZ236-231200-
NARRAGANSETT BAY-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING S AROUND 5 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. PATCHY FOG. VSBY 1 TO 3 NM,
DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS.
FRI NIGHT THROUGH SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FOOT
OR LESS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ280-231200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT WED APR 22 2026
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
THU
SW WINDS AROUND 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
THU NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E
2 FT AT 8 SECONDS.
FRI
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 6 SECONDS.
FRI NIGHT AND SAT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 7 SECONDS AND SW 2 FT AT 6 SECONDS.
SAT NIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND E 2 FT AT 14 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ281-231200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY, MAINLY THIS EVENING. VSBY 1 TO 3 NM,
DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
S WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E
3 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
N WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
3 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND
W 3 FT AT 7 SECONDS.
FRI NIGHT AND SAT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 3 FT AT 7 SECONDS AND E 3 FT AT 15 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NE 3 FT AT 7 SECONDS AND E 3 FT AT 14 SECONDS.
SUN THROUGH MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ282-231200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 15 TO 20 KT, BECOMING E 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS. PATCHY FOG. SHOWERS LIKELY, MAINLY THIS
EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
N WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND E
3 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND E 3 FT AT 8 SECONDS. PATCHY FOG.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
7 SECONDS AND E 2 FT AT 7 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 12 SECONDS AND SW 2 FT AT 6 SECONDS.
SUN AND SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE
DETAIL: NE 3 FT AT 4 SECONDS AND E 3 FT AT 13 SECONDS. A CHANCE
OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ283-231200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT WED APR 22 2026
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
E 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: SE
4 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS THIS EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS AFTER MIDNIGHT.
THU
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND
E 3 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
NW WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS. PATCHY FOG IN THE EVENING.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 6 SECONDS AND E 2 FT AT 7 SECONDS.
FRI NIGHT AND SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS AND E 2 FT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND NE 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
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