708
FZUS51 KBOX 231105
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 AM EDT THU APR 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-240000-
705 AM EDT THU APR 23 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT WILL BRING NORTHWESTERLY BREEZES TO THE WATERS
TODAY. HIGH PRES THEN BUILDS IN TONIGHT AND GENERALLY REMAINS IN
PLACE THROUGH MIDWEEK. LOW PRES MAY PASS OVER THE SOUTHERN OUTER
OFFSHORE WATERS LATE THIS WEEKEND.
ANZ250-240000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 AM EDT THU APR 23 2026
TODAY
SW WINDS AROUND 10 KT, BECOMING NW THIS AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
E 2 FT AT 8 SECONDS. PATCHY FOG THIS MORNING.
TONIGHT
N WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE
2 FT AT 7 SECONDS.
FRI
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND
NW 1 FOOT AT 3 SECONDS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND NW 1 FOOT
AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 4 SECONDS AND NE 2 FT AT 4 SECONDS.
SAT NIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND E 3 FT AT
13 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.
ANZ251-240000-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 3 SECONDS AND SE 2 FT AT 4 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND NW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND NW 1 FOOT
AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND E 2 FT AT
14 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.
ANZ231-240000-
CAPE COD BAY-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING N THIS AFTERNOON. GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND
SE 1 FOOT AT 4 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND N
1 FOOT AT 3 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND N 1 FOOT AT
4 SECONDS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 4 SECONDS AND N 1 FOOT AT 5 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 4 SECONDS AND SE 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.
ANZ254-240000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 AM EDT THU APR 23 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING NW THIS AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS
AND E 2 FT AT 9 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM
OR LESS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
4 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND SE 2 FT AT
7 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 14 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 12 SECONDS AND NE 2 FT AT 3 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.
ANZ255-240000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 6 SECONDS AND W 2 FT AT 3 SECONDS. PATCHY DENSE FOG THIS
MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND E 2 FT AT
7 SECONDS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING NE AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT
AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 6 SECONDS AND SE 2 FT AT 15 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 10 SECONDS AND E 3 FT AT 15 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 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.
ANZ256-240000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 AM EDT THU APR 23 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 6 SECONDS AND W 2 FT AT 3 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: S 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: SE 2 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. A CHANCE OF
SHOWERS.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 4 SECONDS AND S 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 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.
ANZ232-240000-
NANTUCKET SOUND-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 5 SECONDS AND SW
1 FOOT AT 6 SECONDS. PATCHY FOG THIS MORNING.
TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
6 SECONDS.
FRI NIGHT
S WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: NE 1 FOOT AT 3 SECONDS AND NW 1 FOOT AT 3 SECONDS,
BECOMING NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT 2 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: NE 2 FT AT 4 SECONDS AND E 2 FT AT 11 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.
ANZ233-240000-
VINEYARD SOUND-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND E 1 FOOT AT 4 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT
AT 4 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS
AND NW 1 FOOT AT 4 SECONDS, BECOMING NE 1 FOOT AT 2 SECONDS AND
NW 1 FOOT AT 4 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 SECONDS. A CHANCE OF
SHOWERS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SUN NIGHT 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.
ANZ234-240000-
BUZZARDS BAY-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND E 1 FOOT AT 4 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW
1 FOOT AT 6 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND N 1 FOOT AT 3 SECONDS, BECOMING NE 1 FOOT
AT 2 SECONDS AND NW 1 FOOT AT 4 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 5 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 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
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.
ANZ235-240000-
RHODE ISLAND SOUND-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 5 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
N 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 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS AND NE 1 FOOT AT 2 SECONDS.
SAT
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 W 1 FOOT
AT 4 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 3 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE OF
SHOWERS.
SUN
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 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.
ANZ237-240000-
BLOCK ISLAND SOUND-
705 AM EDT THU APR 23 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 5 SECONDS AND W 1 FOOT AT 2 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 3 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS. A
CHANCE OF SHOWERS.
SUN
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.
SUN NIGHT 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.
ANZ230-240000-
BOSTON HARBOR-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 10 TO 15 KT, BECOMING NW THIS AFTERNOON. GUSTS
UP TO 25 KT. WAVES AROUND 2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 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 NE AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
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.
ANZ236-240000-
NARRAGANSETT BAY-
705 AM EDT THU APR 23 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. WAVES
AROUND 2 FT.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT. A CHANCE
OF SHOWERS.
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.
ANZ280-240000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
705 AM EDT THU APR 23 2026
TODAY
SW WINDS 10 TO 15 KT, BECOMING NW THIS AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS
AND E 2 FT AT 8 SECONDS. PATCHY FOG THIS MORNING.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND N 2 FT AT
4 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 4 FT. WAVE DETAIL: NE 3 FT
AT 5 SECONDS AND NW 2 FT AT 4 SECONDS.
FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
SAT
N 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.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 10 SECONDS AND E 3 FT AT 14 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.
ANZ281-240000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
705 AM EDT THU APR 23 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 6 SECONDS AND W 1 FOOT AT 4 SECONDS. PATCHY FOG THIS MORNING
WITH VSBY 1 NM OR LESS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 2 FT AT
4 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 7 SECONDS AND NW 2 FT AT 4 SECONDS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND S 2 FT AT 7 SECONDS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 3 FT AT 14 SECONDS AND N 2 FT AT 4 SECONDS.
SUN THROUGH MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 13 SECONDS AND N 2 FT AT 4 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.
ANZ282-240000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
705 AM EDT THU APR 23 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS UP
TO 20 KT THIS AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT
6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG THIS MORNING WITH
VSBY 1 NM OR LESS.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E 2 FT AT
8 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
5 SECONDS AND SW 2 FT AT 7 SECONDS.
FRI NIGHT
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NE 2 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT
AT 15 SECONDS AND NE 2 FT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 14 SECONDS AND E
2 FT AT 10 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 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.
ANZ283-240000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
705 AM EDT THU APR 23 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 20 KT. SEAS AROUND 4 FT. WAVE DETAIL: SE
4 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY DENSE FOG THIS
MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND NW 1 FOOT AT 3 SECONDS.
SAT AND SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 14 SECONDS AND E 2 FT AT
3 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 4 SECONDS AND E 3 FT AT 13 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 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.
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