250
FZUS51 KBOX 082304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
704 PM EDT TUE SEP 8 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-091200-
704 PM EDT TUE SEP 8 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES WILL BE IN CONTROL OF OUR WATERS TODAY INTO TONIGHT. THIS
HIGH WILL THEN MOVE OFF THE COAST ON WED AHEAD OF AN APPROACHING
COLD FRONT WED NIGHT INTO THU. GUSTY SW WINDS WILL DEVELOP AHEAD OF
THIS COLD FRONT UNTIL IT CROSSES THE REGION LATER THU INTO THU
NIGHT. HIGH PRES THEN BUILDS ACROSS THE WATERS FRI INTO SAT.
ANZ250-091200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 4 SECONDS AND NE 2 FT AT 3 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
SW 20 TO 25 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING.
THU NIGHT AND FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
10 SECONDS.
FRI NIGHT
NW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SAT THROUGH SUN NIGHT
SW 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.
ANZ251-091200-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 3 SECONDS.
WED
SE WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING W
10 TO 15 KT WITH GUSTS UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT THROUGH FRI NIGHT
N 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 SE
1 FOOT AT 5 SECONDS.
SAT THROUGH SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND NE
1 FOOT AT 4 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-091200-
CAPE COD BAY-
704 PM EDT TUE SEP 8 2026
...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
MORNING...
TONIGHT
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
SE WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 3 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT, DIMINISHING
TO 10 TO 15 KT WITH GUSTS UP TO 25 KT IN THE AFTERNOON. SEAS 3 TO
5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
SAT THROUGH SUN NIGHT
SW 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.
ANZ254-091200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
E WINDS AROUND 5 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE 1 FOOT AT
4 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E
1 FOOT AT 4 SECONDS, BECOMING SW 5 FT AT 5 SECONDS AND E 1 FOOT
AT 4 SECONDS.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 6 SECONDS AND SE 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING NW AROUND 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE
OF SHOWERS.
FRI AND FRI NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 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.
ANZ255-091200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND NE 1 FOOT
AT 3 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE
DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT 4 SECONDS, BECOMING
SW 6 FT AT 7 SECONDS AND E 1 FOOT AT 4 SECONDS.
THU
SW WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND
E 2 FT AT 9 SECONDS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 3 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 5 FT AT 8 SECONDS AND SE 1 FOOT
AT 10 SECONDS. A CHANCE OF SHOWERS.
FRI
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND
N 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
2 TO 3 FT.
SAT THROUGH SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 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.
ANZ256-091200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 3 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS, BECOMING SW 7 FT AT 7 SECONDS AND E 1 FOOT AT
4 SECONDS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
8 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND SE
2 FT AT 10 SECONDS, BECOMING SW 5 FT AT 7 SECONDS AND NE 1 FOOT
AT 3 SECONDS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: W 4 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 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.
ANZ232-091200-
NANTUCKET SOUND-
704 PM EDT TUE SEP 8 2026
...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
MORNING...
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
4 SECONDS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW AROUND 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 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.
ANZ233-091200-
VINEYARD SOUND-
704 PM EDT TUE SEP 8 2026
...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
MORNING...
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND E 2 FT AT 4 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 2 FT AT
4 SECONDS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW AROUND 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 8 SECONDS AND SE 2 FT AT 12 SECONDS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 3 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 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.
ANZ234-091200-
BUZZARDS BAY-
704 PM EDT TUE SEP 8 2026
...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
MORNING...
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
SW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 2 FT AT 3 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 2 FT AT
4 SECONDS.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW AROUND 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 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.
ANZ235-091200-
RHODE ISLAND SOUND-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT THIS EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 4 SECONDS, BECOMING SE 3 FT AT 3 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND E 2 FT AT 4 SECONDS, BECOMING SW 6 FT AT
7 SECONDS AND SE 4 FT AT 12 SECONDS.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
6 FT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW AROUND 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND SE 4 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 3 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 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.
ANZ237-091200-
BLOCK ISLAND SOUND-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT THIS EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS, BECOMING SW
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND NE
1 FOOT AT 3 SECONDS, BECOMING S 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: S
4 FT AT 5 SECONDS AND E 2 FT AT 5 SECONDS, BECOMING SW 6 FT AT
6 SECONDS AND E 1 FOOT AT 3 SECONDS.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 3 FT AT 6 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SUN NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 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.
ANZ230-091200-
BOSTON HARBOR-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SE WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WED
SE WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE MORNING.
THU NIGHT THROUGH FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. WAVES AROUND 2 FT.
SAT THROUGH SUN NIGHT
SW 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.
ANZ236-091200-
NARRAGANSETT BAY-
704 PM EDT TUE SEP 8 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO
3 FT IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 TO 4 FT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
4 FT.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 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.
ANZ280-091200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
704 PM EDT TUE SEP 8 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING S
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: S
4 FT AT 5 SECONDS AND E 1 FOOT AT 4 SECONDS, BECOMING S 7 FT AT
7 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SW
7 FT AT 6 SECONDS AND SE 4 FT AT 8 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING.
THU NIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT
6 SECONDS AND S 3 FT AT 9 SECONDS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 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.
ANZ281-091200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
704 PM EDT TUE SEP 8 2026
TONIGHT
NE WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE
1 FOOT AT 4 SECONDS, BECOMING SW 5 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS.
THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SW
7 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 4 FT AT
9 SECONDS. A CHANCE OF SHOWERS.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT
AT 7 SECONDS AND SE 3 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT.
SAT THROUGH SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 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.
ANZ282-091200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
704 PM EDT TUE SEP 8 2026
TONIGHT
N WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
WED
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E
2 FT AT 9 SECONDS, BECOMING SW 6 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND SE 1 FOOT AT
5 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING W 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 5 TO 8 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND SE 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY
AFTER MIDNIGHT.
FRI
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 7 SECONDS AND N 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
FRI NIGHT
E WINDS AROUND 5 KT. SEAS 3 TO 4 FT.
SAT THROUGH SUN
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 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.
ANZ283-091200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
704 PM EDT TUE SEP 8 2026
TONIGHT
W WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 2 FT AT
10 SECONDS.
WED
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO
5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E
1 FOOT AT 4 SECONDS, BECOMING SW 8 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
9 FT. WAVE DETAIL: SW 9 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SE 1 FOOT
AT 10 SECONDS. A CHANCE OF SHOWERS.
FRI
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND N
1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 3 FT.
SAT THROUGH SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 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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