516
FZUS51 KBOX 241706
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
106 PM EDT FRI APR 24 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-250600-
106 PM EDT FRI APR 24 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES WILL CONTINUE TO BUILD INTO THE SOUTHERN NEW ENGLAND
WATERS TODAY AND REMAIN IN PLACE THRU SAT. LOW PRES THEN LOOKS TO
PASS INTO THE SOUTHERN OFFSHORE WATERS ON SUN, BRINGING ENHANCED NE
WINDS AND PERHAPS SOME SHOWERS. HIGH PRES THEN REASSERTS ITSELF INTO
EARLY NEXT WEEK.
ANZ250-250600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 5 SECONDS AND NW 1 FOOT AT 3 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT 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 AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND E
3 FT AT 13 SECONDS.
SUN AND SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 2 SECONDS AND E 2 FT AT 10 SECONDS.
MON THROUGH TUE
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 3 SECONDS AND NW 2 FT AT 3 SECONDS.
TUE NIGHT
E WINDS AROUND 10 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.
ANZ251-250600-
MASSACHUSETTS BAY AND IPSWICH BAY-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND NW 1 FOOT AT 2 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. 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
S 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 AND SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 2 SECONDS AND S 2 FT AT 7 SECONDS.
MON THROUGH TUE
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 2 FT AT 3 SECONDS AND E 2 FT AT 5 SECONDS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
ANZ231-250600-
CAPE COD BAY-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. 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 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND N 1 FOOT
AT 4 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 6 SECONDS.
SUN AND SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 10 SECONDS AND N 1 FOOT AT 4 SECONDS.
MON THROUGH TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND E 2 FT AT
3 SECONDS.
TUE NIGHT
E 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.
ANZ254-250600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 6 SECONDS AND SE 2 FT AT 7 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND
SE 2 FT AT 7 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND E 2 FT AT 15 SECONDS.
SAT NIGHT
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND N 2 FT AT 4 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 13 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 12 SECONDS AND
NE 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON THROUGH TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 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.
ANZ255-250600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND N 1 FOOT
AT 3 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. 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 AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 10 SECONDS AND E 3 FT AT 15 SECONDS.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 12 SECONDS AND
NE 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 13 SECONDS AND
NE 2 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
MON
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE
OF SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT AND TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. PATCHY DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. PATCHY DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ256-250600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS
AND NE 1 FOOT AT 3 SECONDS.
SAT
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.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND S 2 FT AT 6 SECONDS. A CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. A
CHANCE OF SHOWERS. PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO
3 NM.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY DENSE FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
MON THROUGH TUE
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ232-250600-
NANTUCKET SOUND-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND NE
1 FOOT AT 3 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND NW 1 FOOT
AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 5 SECONDS.
SAT NIGHT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 9 SECONDS AND E 1 FOOT AT 3 SECONDS.
SUN AND SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 11 SECONDS AND E 1 FOOT AT 4 SECONDS. A CHANCE
OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT AT 6 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT AND TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
TUE 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.
ANZ233-250600-
VINEYARD SOUND-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS.
TONIGHT
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.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.
WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 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
SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 12 SECONDS AND NE 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. PATCHY DENSE FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WIDESPREAD
DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ234-250600-
BUZZARDS BAY-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NE 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 5 SECONDS.
SAT
NE 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 AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 6 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 12 SECONDS AND NE 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WIDESPREAD
DENSE FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WIDESPREAD
DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ235-250600-
RHODE ISLAND SOUND-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND NE 1 FOOT AT 2 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 2 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. 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 AFTER MIDNIGHT.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
S 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND SE 2 FT AT 5 SECONDS. PATCHY DENSE FOG. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WIDESPREAD
DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ237-250600-
BLOCK ISLAND SOUND-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND NW 1 FOOT AT 2 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND E 1 FOOT AT 3 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: E
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING 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 SE 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. 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
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 5 SECONDS AND N 2 FT AT 7 SECONDS. PATCHY DENSE FOG. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. PATCHY DENSE FOG. VSBY 1 NM OR LESS.
MON NIGHT AND TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WIDESPREAD
DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ230-250600-
BOSTON HARBOR-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. WAVES 1 FOOT OR LESS.
TONIGHT
E WINDS 5 TO 10 KT. 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 AND SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON THROUGH TUE
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. WAVES AROUND 2 FT, EXCEPT 3 TO
5 FT AT THE OUTER HARBOR ENTRANCE. 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.
ANZ236-250600-
NARRAGANSETT BAY-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 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.
SUN
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM
OR LESS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. PATCHY DENSE FOG. VSBY 1 NM OR LESS.
MON NIGHT AND TUE
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. WIDESPREAD
DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ280-250600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS.
TONIGHT
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 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 AND SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 10 SECONDS AND E 2 FT AT 13 SECONDS.
MON THROUGH TUE
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 3 SECONDS AND NW 2 FT AT 4 SECONDS.
TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 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.
ANZ281-250600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE
DETAIL: NE 3 FT AT 7 SECONDS AND S 2 FT AT 7 SECONDS.
TONIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND S 2 FT AT 7 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 2 FT AT
4 SECONDS AND E 2 FT AT 10 SECONDS.
SAT NIGHT
N WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND N 2 FT AT 4 SECONDS.
SUN AND SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT 13 SECONDS AND N 2 FT AT
4 SECONDS. A 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 7 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT AND TUE
NE WINDS AROUND 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 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.
ANZ282-250600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 7 SECONDS AND S 2 FT AT 7 SECONDS.
TONIGHT
NE WINDS 5 TO 10 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 3 FT. WAVE DETAIL: E 3 FT
AT 15 SECONDS AND NE 2 FT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND E 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT 10 SECONDS.
A CHANCE OF SHOWERS. PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO
3 NM.
SUN NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS
AND E 3 FT AT 12 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY
1 NM OR LESS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. PATCHY DENSE FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT AND TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 9 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
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.
ANZ283-250600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
106 PM EDT FRI APR 24 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
E 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
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
3 SECONDS AND E 2 FT AT 7 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 4 SECONDS. A CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
3 FT AT 4 SECONDS AND E 3 FT AT 13 SECONDS. PATCHY FOG. SHOWERS
LIKELY, MAINLY IN THE MORNING. VSBY 1 NM OR LESS IN THE
AFTERNOON.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E 3 FT AT
11 SECONDS. PATCHY DENSE FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WIDESPREAD DENSE FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
MON NIGHT AND TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 FT. WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
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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