465
FZUS51 KBOX 192304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT MON OCT 19 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-201200-
703 PM EDT MON OCT 19 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES CONTINUES OVER THE NORTHERN WATERS TODAY. A LOW PRES OFF
THE MID ATLC COAST SHOULD LINGER THROUGH FRI. THE WORST IMPACTS FROM
THIS STORM MAY REMAIN S OF OUR WATERS, BUT GUSTY NE WINDS AND ROUGH
SEAS ARE STILL EXPECTED, ESPECIALLY ACROSS THE SRN WATERS.
ANZ250-201200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NE 2 FT AT 6 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 7 FT AT 6 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 7 FT AT
6 SECONDS.
WED
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E 8 FT
AT 9 SECONDS AND N 7 FT AT 6 SECONDS.
WED NIGHT THROUGH THU NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: N 8 FT AT 6 SECONDS AND E
8 FT AT 9 SECONDS.
FRI THROUGH SAT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: N 7 FT AT 7 SECONDS AND E 7 FT AT
9 SECONDS.
SAT NIGHT
W 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.
ANZ251-201200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND N 3 FT AT 5 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS AND E 7 FT AT 10 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS AND E 7 FT AT
10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND N 6 FT AT 6 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND N 3 FT AT
10 SECONDS.
THU
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT
AT 6 SECONDS AND E 6 FT AT 9 SECONDS.
THU NIGHT
N WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT.
FRI THROUGH SAT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
SAT NIGHT
W WINDS 5 TO 10 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.
ANZ231-201200-
CAPE COD BAY-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND N 4 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND E 6 FT AT
9 SECONDS.
WED
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND E
6 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND NE 5 FT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N 5 FT
AT 5 SECONDS AND E 4 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
THU NIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
FRI NIGHT AND SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
W WINDS 5 TO 10 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.
ANZ254-201200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 35 KT. SEAS 5 TO 7 FT, BUILDING TO 6 TO
9 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 3 FT
AT 4 SECONDS, BECOMING E 8 FT AT 10 SECONDS AND N 4 FT AT
5 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. GUSTS UP TO 40 KT. SEAS 7 TO 10 FT. WAVE DETAIL: E
9 FT AT 10 SECONDS AND N 6 FT AT 5 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
8 TO 11 FT. WAVE DETAIL: NE 10 FT AT 9 SECONDS AND NE 8 FT AT
7 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. WAVE DETAIL: NE 10 FT AT 9 SECONDS AND N 7 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 11 FT. WAVE DETAIL:
E 10 FT AT 10 SECONDS AND N 7 FT AT 8 SECONDS. A CHANCE OF
SHOWERS.
THU
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 7 TO 10 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND
N 6 FT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT.
FRI THROUGH SAT
N WINDS 25 TO 30 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NW WINDS 5 TO 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.
ANZ255-201200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT. WAVE DETAIL: E 8 FT AT 11 SECONDS AND N
6 FT AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 7 FT AT 6 SECONDS.
TUE NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND N 8 FT AT
6 SECONDS.
WED
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND N 7 FT AT 6 SECONDS.
A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
NE WINDS 30 TO 35 KT. SEAS 8 TO 11 FT. WAVE DETAIL:
E 11 FT AT 10 SECONDS AND N 7 FT AT 6 SECONDS. A CHANCE OF
SHOWERS.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO
11 FT, SUBSIDING TO 6 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E
8 FT AT 10 SECONDS AND N 7 FT AT 6 SECONDS, BECOMING E 7 FT AT
9 SECONDS AND N 6 FT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
THU NIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT.
FRI
N WINDS 25 TO 30 KT. SEAS 6 TO 9 FT.
FRI NIGHT AND SAT
N WINDS 20 TO 25 KT, DIMINISHING TO 10 TO
15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NW 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.
ANZ256-201200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 8 FT AT 12 SECONDS AND N 5 FT AT 5 SECONDS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 8 FT AT 11 SECONDS AND N 6 FT AT 6 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT, INCREASING TO 30 TO 35 KT
AFTER MIDNIGHT. SEAS 8 TO 11 FT. WAVE DETAIL: E 10 FT AT
9 SECONDS AND N 6 FT AT 6 SECONDS.
WED
NE WINDS 30 TO 35 KT, DIMINISHING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 9 TO 12 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND
N 6 FT AT 6 SECONDS.
WED NIGHT AND THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 6 FT AT
6 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND E 6 FT AT
9 SECONDS.
FRI THROUGH SAT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT.
SAT NIGHT
NW 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.
ANZ232-201200-
NANTUCKET SOUND-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT
AT 4 SECONDS AND E 4 FT AT 10 SECONDS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND E 4 FT AT 10 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. WAVE DETAIL: N 7 FT AT 5 SECONDS AND E 4 FT AT
10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS.
WED NIGHT AND THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND E 5 FT AT
10 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 4 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
N WINDS 25 TO 30 KT. SEAS 4 TO 6 FT.
FRI NIGHT AND SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NW WINDS 5 TO 10 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.
ANZ233-201200-
VINEYARD SOUND-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND SE 2 FT AT 13 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 4 FT AT 4 SECONDS AND SE 1 FOOT AT
11 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS
AND SE 1 FOOT AT 10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
WED NIGHT AND THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND SE 2 FT AT
11 SECONDS. A CHANCE OF SHOWERS THROUGH THE DAY.
THU NIGHT
N WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E
2 FT AT 10 SECONDS.
FRI THROUGH SAT
N WINDS 20 TO 25 KT. SEAS 2 TO 4 FT.
SAT NIGHT
W 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.
ANZ234-201200-
BUZZARDS BAY-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND SE 2 FT AT 13 SECONDS.
TUE
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 4 SECONDS AND
SE 2 FT AT 12 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS
AND E 2 FT AT 10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND E 2 FT AT
11 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E
2 FT AT 11 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT.
FRI THROUGH SAT NIGHT
W 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.
ANZ235-201200-
RHODE ISLAND SOUND-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 5 FT
AT 11 SECONDS AND N 4 FT AT 4 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND SE 5 FT AT 11 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. GUSTS UP TO 40 KT. SEAS 5 TO 7 FT. WAVE DETAIL: N
6 FT AT 5 SECONDS AND E 5 FT AT 10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND SE 5 FT AT 9 SECONDS.
WED NIGHT AND THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND E 5 FT AT
10 SECONDS. A CHANCE OF SHOWERS THROUGH THE DAY.
THU NIGHT
N WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N
4 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
FRI
N WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
FRI NIGHT THROUGH SAT NIGHT
W 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.
ANZ237-201200-
BLOCK ISLAND SOUND-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 6 FT AT 12 SECONDS AND NE 3 FT AT 5 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 6 FT AT 12 SECONDS AND N 4 FT AT 5 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NE 5 FT AT
6 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND NE 5 FT AT 6 SECONDS.
WED NIGHT AND THU
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NE 5 FT AT
6 SECONDS.
THU NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND N 3 FT AT
5 SECONDS.
FRI THROUGH SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
SAT NIGHT
W 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.
ANZ230-201200-
BOSTON HARBOR-
703 PM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT.
WED
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT
AT THE OUTER HARBOR ENTRANCE.
WED NIGHT THROUGH THU NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. WAVES 2 TO 3 FT.
FRI THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
25 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.
ANZ236-201200-
NARRAGANSETT BAY-
703 PM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
TUE
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
3 FT.
WED NIGHT THROUGH THU NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. WAVES 2 TO 3 FT.
FRI THROUGH SAT NIGHT
W WINDS 15 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.
ANZ280-201200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT MON OCT 19 2026
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 15 TO 20 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 4 TO 6 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 5 FT AT 10 SECONDS AND NE 1 FOOT AT 2 SECONDS,
BECOMING E 7 FT AT 10 SECONDS AND N 2 FT AT 4 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
9 FT. WAVE DETAIL: E 8 FT AT 11 SECONDS AND N 6 FT AT 5 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
7 TO 9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND N 6 FT AT
5 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 8 TO
9 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS AND NE 6 FT AT 7 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 9 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS AND N 4 FT AT
6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU AND THU NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 9 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS AND E 7 FT AT
9 SECONDS.
FRI AND FRI NIGHT
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 7 TO 10 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
8 FT.
SAT NIGHT
W 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.
ANZ281-201200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO
11 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 6 FT AT
5 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
11 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 7 FT AT
5 SECONDS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 12 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS AND NE 9 FT AT
7 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 10 TO
13 FT. WAVE DETAIL: NE 12 FT AT 9 SECONDS AND N 8 FT AT
6 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 13 FT. WAVE DETAIL: E 12 FT AT 10 SECONDS AND N 7 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 7 FT AT 6 SECONDS.
A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 8 TO 11 FT.
FRI THROUGH SAT
N WINDS 25 TO 30 KT. SEAS 9 TO 12 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 5 TO 8 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.
ANZ282-201200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT, BUILDING TO 10 TO 11 FT AFTER MIDNIGHT. WAVE DETAIL: E
10 FT AT 11 SECONDS AND N 6 FT AT 5 SECONDS, BECOMING E 10 FT AT
10 SECONDS AND N 7 FT AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS
THIS EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NE WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS 10 TO
12 FT. WAVE DETAIL: E 11 FT AT 10 SECONDS AND N 9 FT AT
7 SECONDS.
TUE NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
11 TO 14 FT. WAVE DETAIL: NE 13 FT AT 9 SECONDS AND N 10 FT AT
7 SECONDS.
WED
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 9 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
12 TO 14 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 9 FT AT
8 SECONDS. SHOWERS LIKELY.
THU
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 10 TO
13 FT. WAVE DETAIL: E 12 FT AT 9 SECONDS AND N 9 FT AT 7 SECONDS.
A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 9 TO 12 FT.
FRI THROUGH SAT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 9 TO 12 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 5 TO 8 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.
ANZ283-201200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 25 TO 30 KT. GUSTS UP TO 40 KT AFTER
MIDNIGHT. SEAS 8 TO 11 FT, BUILDING TO 10 TO 11 FT AFTER
MIDNIGHT. WAVE DETAIL: E 10 FT AT 12 SECONDS AND N 6 FT AT
5 SECONDS, BECOMING E 10 FT AT 11 SECONDS AND N 7 FT AT
6 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NE WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS 10 TO
12 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 8 FT AT
7 SECONDS.
TUE NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
11 TO 14 FT. WAVE DETAIL: NE 13 FT AT 9 SECONDS AND N 8 FT AT
7 SECONDS.
WED
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
15 FT. WAVE DETAIL: NE 14 FT AT 9 SECONDS AND N 8 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT AND THU
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT.
SEAS 10 TO 14 FT. WAVE DETAIL: NE 13 FT AT 10 SECONDS AND N 8 FT
AT 7 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 7 FT AT
6 SECONDS.
FRI AND FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 8 TO 11 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 7 TO
10 FT.
SAT NIGHT
N WINDS 5 TO 10 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.
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