154
FZUS51 KBOX 221103
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT TUE SEP 22 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-230000-
703 AM EDT TUE SEP 22 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
AN ANOMALOUS AREA OF HIGH PRES BUILDS IN FROM THE NORTH EARLY THIS
WEEK WITH A DISTANT SYSTEM OFF SHORE, WHICH WILL PROVIDE A PERIOD OF
STRONG E TO NE WIND NEAR GALE FORCE, TUE AFTERNOON INTO WED. THERE
IS POTENTIAL FOR A COASTAL LOW TO TRACK NORTHWARD NEW ENGLAND LATE
WEEK BRINGING STRONG WINDS AND ROUGH SEAS, WHICH COULD LINGER INTO
THE UPCOMING WEEKEND.
ANZ250-230000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND SE 1 FOOT AT
15 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND S 1 FOOT AT
14 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 7 SECONDS AND E 7 FT AT 10 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 8 FT. WAVE DETAIL: E
8 FT AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND NE 8 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 9 TO 12 FT. WAVE DETAIL: E 12 FT AT
12 SECONDS AND N 9 FT AT 6 SECONDS.
FRI
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 11 TO
15 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
13 TO 15 FT. SHOWERS LIKELY.
SAT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 11 TO
15 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 12 FT. SHOWERS LIKELY.
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.
ANZ251-230000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 6 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
7 FT AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS.
THU NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 5 TO 8 FT, BUILDING TO 7 TO 10 FT AFTER
MIDNIGHT. WAVE DETAIL: E 8 FT AT 11 SECONDS AND E 7 FT AT
8 SECONDS, BECOMING E 10 FT AT 11 SECONDS AND NE 9 FT AT
6 SECONDS.
FRI
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 9 TO
12 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
SAT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 9 TO
12 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
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.
ANZ231-230000-
CAPE COD BAY-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
17 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
14 SECONDS.
WED
NE WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 11 SECONDS AND NE 4 FT AT
4 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND E 5 FT AT
10 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND NE 5 FT AT 4 SECONDS.
THU 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 7 FT AT
11 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
SAT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY.
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.
ANZ254-230000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND SE 1 FOOT AT
15 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 8 TO 11 FT. WAVE DETAIL: E 11 FT AT
10 SECONDS AND N 1 FOOT AT 4 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT. WAVE DETAIL: E 12 FT AT 11 SECONDS AND N 6 FT AT
5 SECONDS.
THU NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
11 TO 15 FT. WAVE DETAIL: E 14 FT AT 11 SECONDS AND NE 10 FT AT
7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
16 FT. SHOWERS LIKELY.
FRI NIGHT AND SAT
NE WINDS 30 TO 35 KT, BECOMING N 25 TO
35 KT. GUSTS UP TO 45 KT. SEAS 12 TO 16 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
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.
ANZ255-230000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE
6 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. WAVE DETAIL: E 8 FT AT 7 SECONDS AND E 7 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 1 FOOT AT
5 SECONDS.
THU
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
12 FT. WAVE DETAIL: E 11 FT AT 11 SECONDS AND NE 8 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 14 FT. WAVE DETAIL: E 13 FT AT 11 SECONDS AND N 11 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
FRI
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 10 TO
14 FT. SHOWERS LIKELY.
FRI NIGHT
N WINDS 35 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
10 TO 14 FT, EXCEPT 14 TO 16 FT S AND E OF NANTUCKET. SHOWERS
LIKELY.
SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 9 TO
13 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. SHOWERS LIKELY.
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.
ANZ256-230000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE
6 FT AT 5 SECONDS AND SE 1 FOOT AT 14 SECONDS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 1 FOOT AT
5 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 12 FT. WAVE DETAIL: E 11 FT AT 11 SECONDS AND NE 10 FT AT
8 SECONDS.
THU
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT. WAVE DETAIL: E 12 FT AT 12 SECONDS AND N 5 FT AT
6 SECONDS.
THU NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 14 FT. WAVE DETAIL: E 13 FT AT 12 SECONDS AND N 8 FT AT
7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
N WINDS 35 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 11 TO
15 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
10 TO 14 FT. SHOWERS LIKELY.
SAT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 9 TO
13 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
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.
ANZ232-230000-
NANTUCKET SOUND-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 4 SECONDS AND SE 1 FOOT AT
17 SECONDS.
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: NE 5 FT
AT 5 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 6 FT AT 5 SECONDS AND SE 3 FT AT
10 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NE 6 FT AT
6 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 6 FT AT 5 SECONDS AND E 6 FT AT 10 SECONDS.
THU NIGHT
NE WINDS 25 TO 35 KT, BECOMING 30 TO 35 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT.
WAVE DETAIL: NE 7 FT AT 6 SECONDS AND E 6 FT AT 11 SECONDS,
BECOMING N 7 FT AT 6 SECONDS AND E 6 FT AT 12 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY.
FRI NIGHT AND SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT.
SEAS 6 TO 9 FT. SHOWERS.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
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.
ANZ233-230000-
VINEYARD SOUND-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
15 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS
AND SE 3 FT AT 11 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 3 FT AT
13 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NE 7 FT AT 5 SECONDS AND E 2 FT AT
12 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY.
FRI NIGHT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
SAT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
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.
ANZ234-230000-
BUZZARDS BAY-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 15 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
WED
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT
AT 5 SECONDS AND SE 4 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 4 FT AT 5 SECONDS AND SE 2 FT AT
12 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 5 FT AT 14 SECONDS AND NE 4 FT AT 4 SECONDS.
THU NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS
AND E 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
SAT AND SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 3 TO 4 FT. SHOWERS LIKELY.
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.
ANZ235-230000-
RHODE ISLAND SOUND-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND SE 1 FOOT AT
12 SECONDS.
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: E 5 FT
AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 6 SECONDS AND SE 5 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. WAVE DETAIL: NE 7 FT AT 6 SECONDS AND SE 7 FT AT
10 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SE 8 FT AT 12 SECONDS AND NE 6 FT AT
5 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. WAVE DETAIL: NE 8 FT AT 6 SECONDS AND SE 7 FT AT
13 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY.
SAT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
8 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
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.
ANZ237-230000-
BLOCK ISLAND SOUND-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND SE 1 FOOT AT
14 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
8 FT. WAVE DETAIL: NE 7 FT AT 6 SECONDS AND SE 6 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT AT 11 SECONDS
AND NE 7 FT AT 6 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO
9 FT. WAVE DETAIL: E 9 FT AT 12 SECONDS AND NE 5 FT AT 5 SECONDS.
THU NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT. WAVE DETAIL: E 10 FT AT
12 SECONDS AND NE 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
FRI
N WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
SAT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
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.
ANZ230-230000-
BOSTON HARBOR-
703 AM EDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT.
WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT.
WED 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.
THU AND THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE OUTER HARBOR ENTRANCE.
FRI
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES 2 TO
3 FT, EXCEPT 5 TO 7 FT AT THE OUTER HARBOR ENTRANCE. A CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES
2 TO 3 FT, EXCEPT 5 TO 7 FT AT THE OUTER HARBOR ENTRANCE. SHOWERS
LIKELY.
SAT AND SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
WAVES AROUND 2 FT, EXCEPT 5 TO 7 FT AT THE OUTER HARBOR ENTRANCE.
SHOWERS LIKELY.
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.
ANZ236-230000-
NARRAGANSETT BAY-
703 AM EDT TUE SEP 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY EVENING...
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 3 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES
2 TO 3 FT.
WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. WAVES AROUND
3 FT.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE.
THU NIGHT
NE WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT
THE BAY ENTRANCE. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES AROUND
3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE. A CHANCE OF SHOWERS.
FRI NIGHT AND SAT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
WAVES AROUND 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE. SHOWERS
LIKELY.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. WAVES
AROUND 3 FT. SHOWERS LIKELY.
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.
ANZ280-230000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT TUE SEP 22 2026
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 2 FT AT 14 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT, BUILDING TO 7 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS, BECOMING E 8 FT AT
8 SECONDS AND E 8 FT AT 12 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E
9 FT AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 8 TO
11 FT. WAVE DETAIL: E 11 FT AT 11 SECONDS AND NE 2 FT AT
2 SECONDS.
THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 40 KT AFTER MIDNIGHT.
SEAS 9 TO 13 FT. WAVE DETAIL: E 13 FT AT 12 SECONDS AND N 9 FT AT
6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
15 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
13 TO 16 FT. SHOWERS LIKELY.
SAT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 11 TO
15 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 12 FT. SHOWERS LIKELY.
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.
ANZ281-230000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS. A SLIGHT CHANCE OF
SHOWERS THIS MORNING.
TONIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 35 KT. SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 12 FT. WAVE DETAIL: E 12 FT AT 10 SECONDS AND N 1 FOOT AT
4 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 10 TO
14 FT. WAVE DETAIL: E 14 FT AT 11 SECONDS AND NE 10 FT AT
8 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
12 TO 16 FT. WAVE DETAIL: E 15 FT AT 12 SECONDS AND NE 10 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 14 TO
17 FT. SHOWERS LIKELY.
FRI NIGHT AND SAT
NE WINDS 30 TO 35 KT, BECOMING 25 TO 35 KT.
GUSTS UP TO 45 KT. SEAS 14 TO 17 FT, SUBSIDING TO 12 TO 16 FT.
SHOWERS.
SAT NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
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.
ANZ282-230000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT AT 8 SECONDS AND E
7 FT AT 13 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
12 FT. WAVE DETAIL: E 12 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 13 FT. WAVE DETAIL: NE 13 FT AT 10 SECONDS AND N 1 FOOT AT
5 SECONDS.
THU
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
15 FT. WAVE DETAIL: E 15 FT AT 11 SECONDS AND NE 10 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
14 TO 16 FT. WAVE DETAIL: E 16 FT AT 12 SECONDS AND NE 12 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
FRI AND FRI NIGHT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT.
SEAS 15 TO 17 FT. SHOWERS.
SAT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 13 TO
16 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SAT NIGHT
N WINDS 25 TO 30 KT. SEAS 10 TO 14 FT. SHOWERS
LIKELY.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ283-230000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT TUE SEP 22 2026
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
EVENING...
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
8 FT. WAVE DETAIL: NE 8 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
9 FT. WAVE DETAIL: NE 9 FT AT 7 SECONDS AND E 9 FT AT 10 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
12 FT. WAVE DETAIL: E 12 FT AT 9 SECONDS AND N 1 FOOT AT
5 SECONDS.
WED NIGHT
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS
11 TO 13 FT. WAVE DETAIL: E 13 FT AT 11 SECONDS AND NE 9 FT AT
8 SECONDS.
THU
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 13 TO
15 FT. WAVE DETAIL: E 15 FT AT 11 SECONDS AND NE 8 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
14 TO 16 FT. WAVE DETAIL: E 16 FT AT 12 SECONDS AND N 13 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
FRI
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 15 TO
17 FT. SHOWERS LIKELY.
FRI NIGHT AND SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 14 TO 17 FT, SUBSIDING TO 12 TO 16 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
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