806
FZUS51 KBOX 231103
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT FRI OCT 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-240000-
703 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.
ANZ250-240000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
TODAY
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 N 6 FT AT 7 SECONDS.
TONIGHT
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 3 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 11 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND N 1 FOOT 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 S 2 FT AT 3 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: N 4 FT AT 5 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.
ANZ251-240000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
7 FT AT 9 SECONDS AND N 6 FT AT 7 SECONDS.
TONIGHT
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 NW 3 FT AT 6 SECONDS, BECOMING NE 4 FT AT 9 SECONDS
AND N 2 FT AT 6 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 2 FT AT
5 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 12 SECONDS AND N 1 FOOT 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 S 2 FT AT 3 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: N 3 FT AT 5 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.
ANZ231-240000-
CAPE COD BAY-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
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.
TONIGHT
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 5 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 N 1 FOOT AT 4 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 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.
ANZ254-240000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
TODAY
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 8 TO
11 FT. WAVE DETAIL: NE 11 FT AT 9 SECONDS AND NW 5 FT AT
6 SECONDS.
TONIGHT
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 9 FT AT 10 SECONDS AND N
4 FT AT 4 SECONDS, BECOMING NE 7 FT AT 9 SECONDS AND NW 3 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 N 3 FT AT 6 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 6 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 13 SECONDS AND N 1 FOOT AT 6 SECONDS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 15 TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E
3 FT AT 11 SECONDS.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT, BECOMING NE 10 TO
15 KT. GUSTS UP TO 25 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.
ANZ255-240000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
TODAY
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT THIS
AFTERNOON. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 7 FT THIS AFTERNOON.
WAVE DETAIL: NE 8 FT AT 9 SECONDS AND N 5 FT AT 5 SECONDS,
BECOMING NE 7 FT AT 10 SECONDS AND NW 4 FT AT 5 SECONDS.
TONIGHT
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 7 FT AT 10 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 1 FOOT AT 3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 13 SECONDS AND NW 1 FOOT AT 10 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING S AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 13 SECONDS AND
N 1 FOOT AT 6 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 12 SECONDS AND NW 1 FOOT AT 2 SECONDS.
MON AND MON NIGHT
W WINDS 5 TO 10 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. GUSTS UP TO 25 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.
ANZ256-240000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
TODAY
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: N 7 FT
AT 6 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 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 NW 1 FOOT AT
3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND NW 1 FOOT AT 5 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 14 SECONDS.
MON AND MON NIGHT
W WINDS AROUND 10 KT, BECOMING NW 15 TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E
2 FT AT 12 SECONDS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 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.
ANZ232-240000-
NANTUCKET SOUND-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT THIS
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS.
TONIGHT
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 4 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 13 SECONDS AND NW 1 FOOT AT 7 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 WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 9 SECONDS AND NW
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.
ANZ233-240000-
VINEYARD SOUND-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT
AT 4 SECONDS.
TONIGHT
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 7 SECONDS AND E 1 FOOT AT 13 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 14 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: NW 2 FT AT 4 SECONDS AND NE 2 FT AT 9 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.
ANZ234-240000-
BUZZARDS BAY-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
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.
TONIGHT
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 7 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: NW 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 14 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 2 FT AT 12 SECONDS AND SW 1 FOOT 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.
ANZ235-240000-
RHODE ISLAND SOUND-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT
AT 5 SECONDS.
TONIGHT
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 8 SECONDS AND NW 1 FOOT AT
2 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 12 SECONDS.
MON THROUGH TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: NE 3 FT AT 10 SECONDS AND SW 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.
ANZ237-240000-
BLOCK ISLAND SOUND-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT
AT 5 SECONDS.
TONIGHT
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 3 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 NW 1 FOOT AT
2 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 12 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. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE
3 FT AT 9 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.
ANZ230-240000-
BOSTON HARBOR-
703 AM EDT FRI OCT 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT
AT THE OUTER HARBOR ENTRANCE.
TONIGHT
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 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.
ANZ236-240000-
NARRAGANSETT BAY-
703 AM EDT FRI OCT 23 2026
TODAY
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
TONIGHT
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
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
NE 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.
ANZ280-240000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
TODAY
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT THIS
AFTERNOON. SEAS 9 TO 11 FT, SUBSIDING TO 7 TO 10 FT THIS
AFTERNOON. WAVE DETAIL: NE 11 FT AT 9 SECONDS AND N 7 FT AT
7 SECONDS, BECOMING NE 10 FT AT 9 SECONDS AND NW 6 FT AT
7 SECONDS.
TONIGHT
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 N 2 FT AT 3 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 13 SECONDS AND N 2 FT AT 6 SECONDS.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 3 FT AT
13 SECONDS.
MON AND MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS AND SW 3 FT AT 4 SECONDS.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 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.
ANZ281-240000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
TODAY
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT THIS
AFTERNOON. SEAS 9 TO 12 FT. WAVE DETAIL: NE 12 FT AT 9 SECONDS
AND NW 6 FT AT 7 SECONDS.
TONIGHT
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 7 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 8 FT. WAVE DETAIL: NE 8 FT AT 11 SECONDS AND N 2 FT AT
7 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
7 FT AT 13 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: NE 5 FT AT 13 SECONDS AND N 1 FOOT AT
6 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND W 2 FT AT 3 SECONDS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 15 TO 20 KT
WITH GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.
TUE AND TUE NIGHT
N 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.
ANZ282-240000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT FRI OCT 23 2026
..GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
TODAY
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.
TONIGHT
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 5 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 8 FT AT 10 SECONDS AND
NW 2 FT AT 5 SECONDS.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
7 FT AT 12 SECONDS AND NW 1 FOOT AT 9 SECONDS.
SUN
NE WINDS AROUND 5 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 13 SECONDS AND N 1 FOOT AT 6 SECONDS.
SUN NIGHT
S WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 12 SECONDS AND NW 1 FOOT
AT 5 SECONDS.
MON AND MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 15 TO 20 KT.
SEAS 3 TO 4 FT.
TUE AND TUE NIGHT
NE 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.
ANZ283-240000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT FRI OCT 23 2026
TODAY
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 6 SECONDS.
TONIGHT
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 4 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 11 SECONDS AND
NW 2 FT AT 3 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 13 SECONDS AND NW 1 FOOT AT 8 SECONDS.
SUN
N WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 13 SECONDS AND N 1 FOOT AT 2 SECONDS.
SUN NIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 13 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON AND MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 15 TO 20 KT.
SEAS 3 TO 4 FT.
TUE AND TUE NIGHT
NE 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.
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