751
FZUS51 KBOX 241703
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 PM EDT SAT OCT 24 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-250600-
103 PM EDT SAT OCT 24 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES REMAINS ANCHORED ACROSS THE WATERS THIS WEEKEND. THIS HIGH
SHIFTS SOUTHEAST OF THE REGION MON AHEAD OF AN APPROACHING COLD
FRONT. A PERIOD OF GUSTY NE WINDS AND BRIEF SMALL CRAFT ADVISORY
CONDITIONS MAY FOLLOW BEHIND THIS FRONT MON NIGHT INTO TUE. THIS
WILL BE FOLLOWED BY ANOTHER HIGH PRES SYSTEM BUILDING OVER THE
WATERS WED.
ANZ250-250600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 PM EDT SAT OCT 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 12 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 13 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 2 FT AT
12 SECONDS.
MON
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT
10 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
TUE THROUGH WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
WED NIGHT
S 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.
ANZ251-250600-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE
DETAIL: E 3 FT AT 11 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 12 SECONDS AND W 2 FT AT
4 SECONDS.
SUN
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 13 SECONDS AND NE 1 FOOT AT
2 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND E 2 FT AT 12 SECONDS.
MON
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 2 FT AT 11 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
TUE THROUGH WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO
25 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.
ANZ231-250600-
CAPE COD BAY-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
N WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 6 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT, BECOMING W AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 7 SECONDS AND N
1 FOOT AT 4 SECONDS.
SUN
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
7 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 7 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 12 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 4 SECONDS AND NE 2 FT AT 10 SECONDS.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO AROUND 5 KT. SEAS 2 TO 4 FT.
WED AND WED NIGHT
NE WINDS AROUND 5 KT, BECOMING S. 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.
ANZ254-250600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 PM EDT SAT OCT 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: NE 5 FT AT 11 SECONDS AND NW 1 FOOT AT 6 SECONDS.
TONIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE
5 FT AT 12 SECONDS AND N 1 FOOT AT 6 SECONDS.
SUN
W WINDS AROUND 5 KT, BECOMING S 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. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 12 SECONDS AND W
1 FOOT AT 5 SECONDS.
MON
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT 11 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
SE WINDS AROUND 5 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.
ANZ255-250600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 PM EDT SAT OCT 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: E 4 FT AT 11 SECONDS AND NW 1 FOOT AT 3 SECONDS.
TONIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND NW 1 FOOT AT 9 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
NW 1 FOOT AT 4 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 4 SECONDS.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING SE. 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.
ANZ256-250600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 11 SECONDS AND NW 1 FOOT AT 3 SECONDS.
TONIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 14 SECONDS AND
NW 1 FOOT AT 3 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 13 SECONDS AND W 1 FOOT AT 4 SECONDS.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E 2 FT AT 12 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS AND E 2 FT AT 10 SECONDS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT. SEAS 4 TO 6 FT.
WED AND WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING SE. 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.
ANZ232-250600-
NANTUCKET SOUND-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 10 SECONDS AND NW 1 FOOT AT 2 SECONDS.
TONIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 11 SECONDS AND NW 1 FOOT AT 5 SECONDS.
SUN
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 13 SECONDS AND N 1 FOOT AT
4 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 13 SECONDS AND W 1 FOOT AT 7 SECONDS.
MON
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 12 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E
1 FOOT AT 10 SECONDS.
TUE THROUGH WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
WED NIGHT
SE WINDS AROUND 5 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.
ANZ233-250600-
VINEYARD SOUND-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS.
TONIGHT
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT
2 SECONDS AND E 1 FOOT AT 13 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND E 1 FOOT AT 11 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 10 SECONDS.
MON
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS.
TUE THROUGH WED NIGHT
S 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.
ANZ234-250600-
BUZZARDS BAY-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 10 SECONDS.
SUN
NW WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT
2 SECONDS AND E 1 FOOT AT 12 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 SECONDS.
MON
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
10 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND E 2 FT AT 13 SECONDS.
TUE THROUGH WED NIGHT
S 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.
ANZ235-250600-
RHODE ISLAND SOUND-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 SECONDS.
TONIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
11 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND SE 1 FOOT AT 10 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND
SE 1 FOOT AT 9 SECONDS.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
9 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 3 SECONDS AND
SE 1 FOOT AT 9 SECONDS.
TUE THROUGH WED
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WED NIGHT
S WINDS AROUND 5 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.
ANZ237-250600-
BLOCK ISLAND SOUND-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 10 SECONDS.
TONIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 11 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 5 SECONDS AND E 1 FOOT AT
13 SECONDS.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 12 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 11 SECONDS.
MON
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 11 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT
3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ230-250600-
BOSTON HARBOR-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
E WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TONIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SUN
W WINDS AROUND 5 KT, BECOMING S AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
MON NIGHT
NW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.
TUE THROUGH WED NIGHT
S 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.
ANZ236-250600-
NARRAGANSETT BAY-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TONIGHT
W WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SUN
NW WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
MON
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
TUE THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 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.
ANZ280-250600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: E 5 FT AT 12 SECONDS AND NW 1 FOOT AT 6 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND N 2 FT AT 6 SECONDS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 12 SECONDS AND N 1 FOOT AT 6 SECONDS.
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
11 SECONDS.
MON
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 2 FT AT 10 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS AND E 4 FT AT 9 SECONDS.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT. SEAS 4 TO 6 FT.
WED AND WED NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ281-250600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: NE 6 FT AT 12 SECONDS AND NW 2 FT AT
6 SECONDS.
TONIGHT
N 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
NW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 12 SECONDS AND N 1 FOOT AT
6 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: E 3 FT AT 11 SECONDS AND W 2 FT AT
3 SECONDS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND W 2 FT AT 3 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS AND E 4 FT AT 9 SECONDS.
TUE AND TUE NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT.
WED AND WED NIGHT
N WINDS 5 TO 10 KT, BECOMING E. 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.
ANZ282-250600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: NE 6 FT AT 11 SECONDS AND NW 2 FT AT 4 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
6 FT AT 12 SECONDS AND N 1 FOOT AT 8 SECONDS.
SUN
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: E 5 FT AT 13 SECONDS AND N 2 FT AT
5 SECONDS.
SUN NIGHT
S WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 12 SECONDS AND N 1 FOOT AT
5 SECONDS.
MON
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS AROUND 3 FT. WAVE DETAIL: W
3 FT AT 4 SECONDS AND E 3 FT AT 11 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 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 5 TO 7 FT.
WED
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS AROUND 5 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.
ANZ283-250600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 PM EDT SAT OCT 24 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: E 5 FT AT 10 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
N WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 12 SECONDS AND NW 1 FOOT AT 6 SECONDS.
SUN
N WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT
AT 13 SECONDS AND NW 1 FOOT AT 3 SECONDS.
SUN NIGHT
SW WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 12 SECONDS AND NW 1 FOOT
AT 5 SECONDS.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 3 FT AT 11 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS AND SE 3 FT AT 11 SECONDS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT.
WED AND WED NIGHT
E WINDS 5 TO 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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page