088
FZUS51 KBOX 230503
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EDT FRI OCT 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-231800-
103 AM EDT FRI OCT 23 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
POST-TROPICAL CYCLONE JOSEPHINE CONTINUES TO MOVE EAST INTO THE
NORTH ATLANTIC, ALLOWING STRONG HIGH PRESSURE TO BUILD ACROSS THE
SOUTHERN NEW ENGLAND WATERS. GALE WARNINGS ACROSS THE EASTERN WATERS
WILL TRANSITION TO SMALL CRAFT ADVISORIES EARLY THIS MORNING AS
NORTHERLY WINDS GRADUALLY DIMINISH. ROUGH SEAS WILL LINGER THROUGH
TODAY, WITH IMPROVING CONDITIONS TONIGHT. HIGH PRESSURE BRINGS LIGHT
WINDS AND FAVORABLE MARINE CONDITIONS SATURDAY AND INTO EARLY NEXT
WEEK.
ANZ250-231800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 10 FT. WAVE DETAIL: N 10 FT AT 7 SECONDS.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. WAVE DETAIL: NE 9 FT AT 9 SECONDS AND NW 7 FT AT 7 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO AROUND 10 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE
DETAIL: NE 7 FT AT 9 SECONDS AND NW 2 FT AT 6 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 10 SECONDS AND N 1 FOOT AT
4 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND W 2 FT AT 4 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 13 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ251-231800-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: NE 7 FT AT 9 SECONDS AND W 5 FT AT 5 SECONDS.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
7 FT AT 9 SECONDS AND NW 6 FT AT 7 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NE 6 FT AT
9 SECONDS AND N 3 FT AT 6 SECONDS, BECOMING NE 4 FT AT 9 SECONDS
AND N 1 FOOT AT 5 SECONDS.
SAT
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 12 SECONDS AND W 2 FT AT 4 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 13 SECONDS AND W 2 FT AT 2 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ231-231800-
CAPE COD BAY-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: N 4 FT AT 7 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 7 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ254-231800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: NE 11 FT AT 9 SECONDS AND NW 6 FT
AT 6 SECONDS.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 8 TO
11 FT. WAVE DETAIL: NE 10 FT AT 9 SECONDS AND NW 4 FT AT
5 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 6 TO 9 FT, SUBSIDING TO
5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 8 FT AT 9 SECONDS AND
NW 3 FT AT 4 SECONDS, BECOMING NE 7 FT AT 9 SECONDS AND N 2 FT AT
6 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 6 FT
AT 10 SECONDS AND NW 1 FOOT AT 5 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
NE 5 FT AT 12 SECONDS AND NW 1 FOOT AT 7 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 12 SECONDS AND N 1 FOOT AT 6 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ255-231800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 6 TO 9 FT. WAVE DETAIL: NE 8 FT AT 8 SECONDS AND NW 5 FT AT
5 SECONDS.
FRI
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 7 FT IN THE
AFTERNOON. WAVE DETAIL: NE 8 FT AT 9 SECONDS AND N 5 FT AT
5 SECONDS, BECOMING NE 7 FT AT 9 SECONDS AND NW 4 FT AT
5 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT, SUBSIDING TO
3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: NE 6 FT AT 9 SECONDS AND N
3 FT AT 5 SECONDS, BECOMING NE 5 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT
AT 10 SECONDS AND N 2 FT AT 3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND NW 1 FOOT AT 16 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 13 SECONDS AND N 1 FOOT AT 5 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ256-231800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: N 7 FT
AT 6 SECONDS.
FRI NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS
AND N 3 FT AT 4 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 12 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 13 SECONDS AND W 1 FOOT AT 8 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 2 SECONDS AND E 3 FT AT 14 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ232-231800-
NANTUCKET SOUND-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS.
FRI
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO AROUND 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: N 4 FT AT 6 SECONDS.
SAT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 10 SECONDS AND N 1 FOOT AT 3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 12 SECONDS AND NW 1 FOOT AT 6 SECONDS.
SUN AND SUN NIGHT
SW 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.
MON THROUGH TUE NIGHT
NE 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.
ANZ233-231800-
VINEYARD SOUND-
103 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT
AT 4 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 2 SECONDS AND NE 1 FOOT
AT 6 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 12 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ234-231800-
BUZZARDS BAY-
103 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS AROUND 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS.
FRI
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW 3 FT AT 6 SECONDS
AND NE 2 FT AT 3 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND N
1 FOOT AT 6 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 12 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: E 1 FOOT AT 12 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ235-231800-
RHODE ISLAND SOUND-
103 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT
AT 4 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 13 SECONDS AND W 1 FOOT AT 3 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 13 SECONDS AND NW 1 FOOT AT 4 SECONDS.
MON THROUGH TUE NIGHT
NE 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.
ANZ237-231800-
BLOCK ISLAND SOUND-
103 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS AND NW 3 FT AT
3 SECONDS.
FRI
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT
AT 3 SECONDS AND NE 4 FT AT 6 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 5 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 12 SECONDS AND W 1 FOOT AT 2 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 14 SECONDS AND SW 1 FOOT AT 2 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ230-231800-
BOSTON HARBOR-
103 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE.
FRI
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT
AT THE OUTER HARBOR ENTRANCE.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. AT THE OUTER HARBOR ENTRANCE, WAVES
2 TO 4 FT.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
N WINDS 10 TO 15 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.
ANZ236-231800-
NARRAGANSETT BAY-
103 AM EDT FRI OCT 23 2026
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
FRI
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
SAT
N WINDS AROUND 5 KT, BECOMING W AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SUN AND SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
NE WINDS 10 TO 15 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.
ANZ280-231800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 10 TO 11 FT. WAVE DETAIL: NE 11 FT AT 8 SECONDS AND N 7 FT
AT 7 SECONDS.
FRI
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 9 TO 11 FT, SUBSIDING TO 7 TO 10 FT IN THE
AFTERNOON. WAVE DETAIL: NE 10 FT AT 9 SECONDS AND N 7 FT AT
7 SECONDS, BECOMING NE 9 FT AT 9 SECONDS AND NW 6 FT AT
7 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 8 FT. WAVE DETAIL:
NE 8 FT AT 9 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SAT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT
AT 11 SECONDS AND NW 1 FOOT AT 5 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND NW 2 FT AT 6 SECONDS.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 12 SECONDS AND SW 2 FT AT 3 SECONDS.
MON THROUGH TUE NIGHT
N 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.
ANZ281-231800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 11 TO 12 FT. WAVE DETAIL: N 12 FT AT 9 SECONDS AND NW 7 FT
AT 7 SECONDS.
FRI
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 9 TO 12 FT. WAVE DETAIL: NE 12 FT AT 9 SECONDS
AND NW 6 FT AT 8 SECONDS.
FRI NIGHT
N WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT. WAVE DETAIL: NE 10 FT AT
9 SECONDS AND NW 4 FT AT 6 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 8 FT. WAVE DETAIL: NE 7 FT AT 10 SECONDS AND NW 2 FT AT
8 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
6 FT AT 12 SECONDS AND NW 1 FOOT AT 6 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: E 5 FT AT 12 SECONDS AND SW 2 FT AT
2 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
MON AND MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO
20 KT. SEAS 2 TO 3 FT.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT, BECOMING NE 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.
ANZ282-231800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 10 TO 12 FT. WAVE DETAIL: NE 12 FT AT 9 SECONDS AND NW 5 FT
AT 6 SECONDS.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 9 TO
11 FT. WAVE DETAIL: NE 11 FT AT 10 SECONDS AND NW 4 FT AT
6 SECONDS.
FRI NIGHT
N WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT. WAVE DETAIL: NE 10 FT AT
10 SECONDS AND N 3 FT AT 6 SECONDS.
SAT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: NE 7 FT AT 10 SECONDS AND
NW 1 FOOT AT 4 SECONDS.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
7 FT AT 12 SECONDS AND N 1 FOOT AT 15 SECONDS.
SUN
NE WINDS AROUND 5 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 13 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT.
MON THROUGH TUE
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
NE WINDS 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.
ANZ283-231800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 AM EDT FRI OCT 23 2026
REST OF TONIGHT
N WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. WAVE
DETAIL: NE 9 FT AT 9 SECONDS AND N 6 FT AT 6 SECONDS.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT. WAVE DETAIL: NE 9 FT AT 9 SECONDS AND N 5 FT AT 7 SECONDS.
FRI NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 8 FT. WAVE DETAIL:
NE 8 FT AT 10 SECONDS AND N 3 FT AT 5 SECONDS.
SAT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 10 SECONDS AND
N 1 FOOT AT 3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 12 SECONDS AND NW 1 FOOT AT 12 SECONDS.
SUN AND SUN NIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: E 5 FT AT 13 SECONDS AND SW 3 FT AT 2 SECONDS.
MON THROUGH TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 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.
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