584
FZUS51 KBOX 220503
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EDT TUE SEP 22 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-221800-
103 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.
ANZ250-221800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT
14 SECONDS.
TUE
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.
TUE NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. 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 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND E 7 FT AT 7 SECONDS.
WED NIGHT AND THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND NE 8 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. GUSTS UP TO 40 KT. SEAS 8 TO 11 FT. WAVE DETAIL:
E 11 FT AT 12 SECONDS AND N 9 FT AT 6 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 10 TO
14 FT. A CHANCE OF SHOWERS.
FRI NIGHT AND SAT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT.
SEAS 12 TO 15 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 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.
ANZ251-221800-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND SE 3 FT AT
13 SECONDS.
TUE
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.
TUE NIGHT
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 20 TO 25 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 4 TO 6 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 9 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 5 TO 8 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
FRI NIGHT AND SAT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT.
SEAS 9 TO 12 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 45 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.
ANZ231-221800-
CAPE COD BAY-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT
16 SECONDS.
TUE
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.
TUE NIGHT
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 20 TO 25 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, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. 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. A CHANCE OF SHOWERS.
FRI
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 5 TO
8 FT. SHOWERS LIKELY.
FRI NIGHT THROUGH SAT NIGHT
NE WINDS 30 TO 40 KT WITH GUSTS UP
TO 50 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.
ANZ254-221800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 AM EDT TUE SEP 22 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: N 4 FT AT 6 SECONDS AND SE 1 FOOT AT 16 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND SE 1 FOOT AT
15 SECONDS.
TUE 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 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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 7 TO 10 FT. WAVE DETAIL: E 10 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 8 TO
11 FT. WAVE DETAIL: E 11 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
10 TO 14 FT. A CHANCE OF SHOWERS.
FRI THROUGH SAT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 12 TO 16 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 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.
ANZ255-221800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 AM EDT TUE SEP 22 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS
MORNING...
...GALE WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY
AFTERNOON...
REST OF TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 1 FOOT AT
16 SECONDS.
TUE
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 6 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. 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
7 TO 10 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 1 FOOT AT
5 SECONDS.
THU
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. WAVE DETAIL: E 11 FT AT 11 SECONDS AND NE 8 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 13 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 9 TO
13 FT, EXCEPT 12 TO 17 FT S AND E OF NANTUCKET. SHOWERS LIKELY.
FRI NIGHT
NE WINDS AROUND 40 KT WITH GUSTS UP TO 50 KT. SEAS
10 TO 14 FT, EXCEPT 14 TO 17 FT S AND E OF NANTUCKET. SHOWERS
LIKELY.
SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 10 TO
14 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 35 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.
ANZ256-221800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 AM EDT TUE SEP 22 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS
MORNING...
...GALE WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY
AFTERNOON...
REST OF TONIGHT
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 1 FOOT AT
12 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH 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.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 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 AND THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 9 TO 12 FT. WAVE DETAIL: E 12 FT AT 12 SECONDS AND NE 10 FT
AT 8 SECONDS.
THU NIGHT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 13 FT. WAVE DETAIL: E 13 FT AT 12 SECONDS AND N 8 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
FRI THROUGH SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 10 TO 14 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS
7 TO 10 FT. A CHANCE OF SHOWERS.
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.
ANZ232-221800-
NANTUCKET SOUND-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT 17 SECONDS.
TUE
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 4 SECONDS AND SE 1 FOOT AT
17 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS.
WED
NE WINDS 25 TO 30 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
4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 6 SECONDS AND E 6 FT AT
10 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 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
5 TO 8 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI NIGHT
NE WINDS 35 TO 45 KT WITH GUSTS UP TO 50 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
5 TO 7 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.
ANZ233-221800-
VINEYARD SOUND-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 5 SECONDS AND SE 1 FOOT AT 14 SECONDS.
TUE
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 AND SE 1 FOOT AT
15 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 3 TO 4 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 30 KT. SEAS 3 TO
5 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, INCREASING TO 30 TO 35 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT.
SEAS 4 TO 6 FT. SHOWERS LIKELY.
SAT
N WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
7 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.
ANZ234-221800-
BUZZARDS BAY-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND NW 2 FT
AT 6 SECONDS.
TUE
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 AND SE 1 FOOT AT
15 SECONDS.
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 AND SE 1 FOOT AT
7 SECONDS.
WED
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. 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 40 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 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
FRI THROUGH SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 4 TO 6 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.
ANZ235-221800-
RHODE ISLAND SOUND-
103 AM EDT TUE SEP 22 2026
...GALE WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY
AFTERNOON...
REST OF TONIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 4 FT AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.
TUE
NE WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT
AT 5 SECONDS AND SE 1 FOOT AT 12 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH 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 25 TO 30 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 AND THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: SE 8 FT AT 12 SECONDS AND NE 7 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT, INCREASING TO 30 TO 35 KT
AFTER MIDNIGHT. SEAS 5 TO 8 FT. WAVE DETAIL: NE 8 FT AT 6 SECONDS
AND SE 7 FT AT 13 SECONDS. A CHANCE OF SHOWERS.
FRI THROUGH 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
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.
ANZ237-221800-
BLOCK ISLAND SOUND-
103 AM EDT TUE SEP 22 2026
...GALE WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY
AFTERNOON...
REST OF TONIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 3 FT AT 5 SECONDS AND NW 1 FOOT AT 5 SECONDS.
TUE
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.
TUE NIGHT
NE WINDS 20 TO 25 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
14 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 6 FT AT 9 SECONDS.
WED NIGHT
NE WINDS AROUND 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. WAVE DETAIL: E 8 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 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
6 TO 9 FT. A CHANCE OF SHOWERS.
FRI
N WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. SHOWERS LIKELY.
FRI NIGHT
N WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
SAT
N WINDS 25 TO 30 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
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.
ANZ230-221800-
BOSTON HARBOR-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. 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 AND THU
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.
THU NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE OUTER
HARBOR ENTRANCE. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI AND FRI NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 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.
ANZ236-221800-
NARRAGANSETT BAY-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT.
WED NIGHT AND THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE.
THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. WAVES
AROUND 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI AND FRI NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
WAVES AROUND 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE. SHOWERS
LIKELY.
SAT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 45 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, EXCEPT 4 TO 6 FT AT THE BAY 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.
ANZ280-221800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 2 FT AT
12 SECONDS.
TUE
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.
TUE NIGHT
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 AND 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.
THU NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. GUSTS UP TO 40 KT. SEAS 9 TO 11 FT. WAVE DETAIL:
E 11 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 11 TO
15 FT. A CHANCE OF SHOWERS.
FRI NIGHT AND SAT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT.
SEAS 13 TO 16 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS
10 TO 14 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.
ANZ281-221800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 AM EDT TUE SEP 22 2026
REST OF TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 1 FOOT AT
12 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: E
8 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 8 TO
11 FT. WAVE DETAIL: E 10 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
WED NIGHT AND THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 9 TO 13 FT. WAVE DETAIL: E 13 FT AT 11 SECONDS AND NE 10 FT
AT 8 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT, INCREASING TO 30 TO 35 KT
AFTER MIDNIGHT. GUSTS UP TO 45 KT. SEAS 11 TO 15 FT. WAVE DETAIL:
E 15 FT AT 12 SECONDS AND NE 10 FT AT 8 SECONDS. A CHANCE OF
SHOWERS.
FRI
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 13 TO
18 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI NIGHT
NE WINDS AROUND 35 KT WITH GUSTS UP TO 50 KT. SEAS
16 TO 18 FT. SHOWERS LIKELY.
SAT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 13 TO
17 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 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.
ANZ282-221800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 AM EDT TUE SEP 22 2026
...GALE WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY
AFTERNOON...
REST OF TONIGHT
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. 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 AROUND 35 KT WITH GUSTS UP TO 45 KT. SEAS
13 TO 16 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
FRI
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 14 TO
19 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI NIGHT AND SAT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 16 TO 19 FT, SUBSIDING TO 14 TO 19 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
9 TO 13 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.
ANZ283-221800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 AM EDT TUE SEP 22 2026
...GALE WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY
AFTERNOON...
REST OF TONIGHT
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: NE 7 FT AT 5 SECONDS AND SE 1 FOOT AT 12 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
8 FT. WAVE DETAIL: NE 8 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
TUE NIGHT
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 AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT, BUILDING TO 10 TO 12 FT IN THE AFTERNOON. WAVE DETAIL: E
11 FT AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS, BECOMING E 12 FT AT
9 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 AND THU NIGHT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT.
SEAS 12 TO 16 FT. WAVE DETAIL: E 16 FT AT 12 SECONDS AND N 13 FT
AT 8 SECONDS. A CHANCE OF SHOWERS.
FRI THROUGH SAT
N WINDS 30 TO 40 KT WITH GUSTS UP TO 55 KT.
SEAS 14 TO 19 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 13 FT. A CHANCE OF SHOWERS.
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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