480
FZUS51 KBOX 090605
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 AM EST TUE DEC 9 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-091900-
105 AM EST TUE DEC 9 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS INTO THE WATERS THROUGH TUE. IT THEN MOVES EAST AS
LOW PRES MOVES OVER THE WATERS LATER WED INTO EARLY THURS. HIGH PRES
THEN BRIEFLY RETURNS THURS BEFORE BECMING MORE UNSETTLED AGAIN FOR
FRI AND SAT.
ANZ250-091900-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 AM EST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
REST OF TONIGHT
NW WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 3 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND NE 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 15 TO 20 KT, BECOMING S 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN
THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. RAIN LIKELY, MAINLY IN THE EVENING.
THU
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS.
THU NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT.
FRI
W WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. A CHANCE OF SNOW.
SAT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF SNOW.
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.
ANZ251-091900-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
3 SECONDS AND N 2 FT AT 5 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN. A CHANCE OF SNOW IN THE EVENING.
WED
SW 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: S 3 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. RAIN LIKELY, MAINLY IN THE EVENING.
THU AND THU NIGHT
W WINDS 20 TO 25 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
FRI NIGHT AND SAT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. A CHANCE OF SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-091900-
CAPE COD BAY-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF RAIN.
THU AND THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SNOW.
SAT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN AND SNOW.
SAT NIGHT
W WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. A CHANCE OF SNOW.
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.
ANZ254-091900-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 AM EST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
REST OF TONIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: N 4 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
NE 2 FT AT 5 SECONDS, BECOMING SW 5 FT AT 5 SECONDS AND NE 1 FOOT
AT 5 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT, EXCEPT 9 TO 12 FT S AND E OF NANTUCKET. WAVE DETAIL:
SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF
RAIN.
THU AND THU NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: S 6 FT AT 10 SECONDS AND NW 5 FT AT 5 SECONDS.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT, EXCEPT 7 TO 10 FT S
AND E OF NANTUCKET. A CHANCE OF RAIN AND SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
SNOW AND RAIN.
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.
ANZ255-091900-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 AM EST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
REST OF TONIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND NE 2 FT AT
5 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND NE 1 FOOT AT 5 SECONDS, BECOMING SW 8 FT AT
6 SECONDS AND NE 1 FOOT AT 5 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
WED
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT, BUILDING TO 8 TO 11 FT IN THE
AFTERNOON. WAVE DETAIL: SW 9 FT AT 7 SECONDS AND W 1 FOOT AT
4 SECONDS, BECOMING SW 10 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
9 TO 13 FT. WAVE DETAIL: SW 13 FT AT 9 SECONDS AND SW 2 FT AT
4 SECONDS. A CHANCE OF RAIN.
THU
W WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 8 TO 11 FT. WAVE DETAIL: SW 11 FT AT 9 SECONDS
AND W 2 FT AT 4 SECONDS.
THU NIGHT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT.
FRI
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT.
FRI NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
SAT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. A CHANCE OF RAIN.
SAT NIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. A CHANCE OF RAIN AND SNOW.
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.
ANZ256-091900-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 AM EST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
REST OF TONIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 3 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND NE 2 FT AT
4 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND E 1 FOOT AT 5 SECONDS, BECOMING SW 8 FT AT
6 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 7 TO 9 FT, BUILDING TO 8 TO 11 FT IN THE
AFTERNOON. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND W 1 FOOT AT
4 SECONDS, BECOMING SW 11 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
9 TO 13 FT. WAVE DETAIL: SW 12 FT AT 9 SECONDS AND W 2 FT AT
4 SECONDS. A CHANCE OF RAIN.
THU
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 8 TO 11 FT, SUBSIDING TO 7 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: SW 10 FT AT 9 SECONDS AND W 3 FT AT
5 SECONDS, BECOMING SW 9 FT AT 10 SECONDS AND NW 3 FT AT
5 SECONDS.
THU NIGHT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 5 TO 8 FT.
FRI
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN AND SNOW.
SAT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. A CHANCE OF RAIN.
SAT NIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. A CHANCE OF SNOW AND RAIN.
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.
ANZ232-091900-
NANTUCKET SOUND-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND W 4 FT AT
4 SECONDS. A CHANCE OF RAIN.
THU
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 4 FT
AT 4 SECONDS AND SW 3 FT AT 9 SECONDS.
THU NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
FRI
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN.
SAT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN AND
SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF SNOW AND RAIN.
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.
ANZ233-091900-
VINEYARD SOUND-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING SW
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SW 2 FT AT
4 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND
W 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND
SW 2 FT AT 4 SECONDS. A CHANCE OF RAIN.
THU
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT
AT 9 SECONDS AND W 2 FT AT 4 SECONDS.
THU NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
FRI
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF
SNOW AND RAIN.
SAT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN AND
SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
SNOW.
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.
ANZ234-091900-
BUZZARDS BAY-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING SW 1 FOOT
AT 2 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND
W 2 FT AT 4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND
SW 2 FT AT 4 SECONDS. A CHANCE OF RAIN.
THU
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT, SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: SW
5 FT AT 9 SECONDS AND W 2 FT AT 4 SECONDS, BECOMING SW 4 FT AT
9 SECONDS AND W 3 FT AT 4 SECONDS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF SNOW AND
RAIN.
SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A CHANCE OF
SNOW.
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.
ANZ235-091900-
RHODE ISLAND SOUND-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 1 FOOT AT
3 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. 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
6 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, BUILDING TO 6 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND W 2 FT AT
4 SECONDS, BECOMING SW 9 FT AT 7 SECONDS AND SW 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 25 TO 30 KT. SEAS 7 TO 10 FT. WAVE DETAIL:
SW 10 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS. A CHANCE OF RAIN.
THU
W WINDS 20 TO 25 KT. SEAS 5 TO 8 FT. WAVE DETAIL: SW 8 FT
AT 9 SECONDS AND W 3 FT AT 5 SECONDS.
THU NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
FRI
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SNOW AND RAIN.
SAT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF RAIN AND
SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. A CHANCE OF SNOW.
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.
ANZ237-091900-
BLOCK ISLAND SOUND-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
4 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND NE 1 FOOT AT
3 SECONDS. A CHANCE OF RAIN.
WED
SW WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 6 SECONDS AND
SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT. WAVE DETAIL: S 7 FT AT 9 SECONDS AND W
4 FT AT 5 SECONDS. A CHANCE OF RAIN.
THU
W WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 6 FT AT 10 SECONDS AND W 4 FT AT 5 SECONDS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT.
FRI NIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. A CHANCE OF SNOW AND RAIN.
SAT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN AND
SNOW.
SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
SNOW.
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.
ANZ230-091900-
BOSTON HARBOR-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TUE
W WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SNOW IN THE EVENING, THEN A CHANCE OF RAIN AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF RAIN
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. RAIN LIKELY, MAINLY IN THE EVENING.
THU AND THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. WAVES AROUND 2 FT. A CHANCE OF SNOW.
SAT NIGHT
W WINDS 15 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.
ANZ236-091900-
NARRAGANSETT BAY-
105 AM EST TUE DEC 9 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 4 FT. A CHANCE OF RAIN.
WED
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. WAVES 2 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. A CHANCE OF RAIN IN THE AFTERNOON.
WED NIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. WAVES 3 TO 5 FT. A CHANCE OF RAIN.
THU
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 3 TO
5 FT, SUBSIDING TO 2 TO 3 FT IN THE AFTERNOON.
THU NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. WAVES 2 TO 3 FT.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. A CHANCE OF
SNOW.
SAT
W WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SNOW AND
RAIN.
SAT NIGHT
W WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF
SNOW.
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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