600
FZUS51 KBOX 131805
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EST SAT DEC 13 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-140700-
104 PM EST SAT DEC 13 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
WEAK HIGH PRES SOUTH OF OUR WATERS SHIFTS OFFSHORE TODAY. GUSTY SW
WINDS TODAY WITH GUSTS UP 25 MPH. A WEAK WAVE OF LOW PRES TRACKS
SOUTH OF OUR WATERS TONIGHT INTO SUN MORNING. THIS WILL BE FOLLOWED
BY THE PASSAGE OF AN ARCTIC COLD FRONT LATE SUN WITH ANOTHER ROUND
OF GALE FORCE NW WIND GUSTS SUN NIGHT INTO MON. HIGH PRES THEN
BUILDS SOUTH OF THE WATERS TUE INTO WED.
ANZ250-140700-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF RAIN IN THE
EVENING, THEN SNOW WITH RAIN LIKELY AFTER MIDNIGHT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. SNOW, MAINLY IN THE MORNING. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: N
6 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING NW 7 FT AT
6 SECONDS AND E 4 FT AT 9 SECONDS. A CHANCE OF SNOW SHOWERS. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
MON
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT, SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: N
7 FT AT 7 SECONDS, BECOMING NW 6 FT AT 6 SECONDS AND E 4 FT AT
10 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS.
TUE AND TUE NIGHT
W WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT.
WED AND WED NIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-140700-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 10 SECONDS. SNOW LIKELY WITH A CHANCE OF RAIN AFTER MIDNIGHT
WITH VSBY 1 TO 3 NM.
SUN
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 3 SECONDS AND SE 1 FOOT AT 10 SECONDS. SNOW LIKELY,
MAINLY IN THE MORNING. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS.
MON
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
4 FT AT 4 SECONDS AND NE 3 FT AT 7 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 2 FT AT
7 SECONDS.
TUE THROUGH WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-140700-
CAPE COD BAY-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT AT 11 SECONDS. A CHANCE
OF RAIN IN THE EVENING, THEN SNOW WITH RAIN LIKELY AFTER MIDNIGHT
WITH VSBY 1 TO 3 NM.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
11 SECONDS. SNOW. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. WAVE DETAIL: N 6 FT AT 7 SECONDS. A CHANCE OF SNOW
SHOWERS. VSBY 1 TO 3 NM.
MON
NW 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: N 6 FT
AT 7 SECONDS.
MON NIGHT
W WINDS AROUND 15 KT. GUSTS UP TO 30 KT, DECREASING
TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT
7 SECONDS.
TUE AND TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING SW. GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-140700-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 11 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN
RAIN AND SNOW AFTER MIDNIGHT.
SUN
NW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. SNOW. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT, BUILDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NW
6 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING NW 8 FT AT
7 SECONDS AND SE 4 FT AT 10 SECONDS. SNOW SHOWERS LIKELY, MAINLY
IN THE EVENING. VSBY 1 NM OR LESS.
MON
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING
TO 20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 7 TO
9 FT, SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: NW
8 FT AT 7 SECONDS AND E 5 FT AT 10 SECONDS, BECOMING NW 7 FT AT
7 SECONDS AND NE 5 FT AT 8 SECONDS. LIGHT FREEZING SPRAY IN THE
MORNING. A CHANCE OF SNOW SHOWERS IN THE MORNING WITH VSBY 1 TO
3 NM.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: NW 6 FT AT 6 SECONDS AND E 4 FT AT
10 SECONDS.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
WED
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-140700-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 13 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
W WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT
AT 7 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN AND SNOW
AFTER MIDNIGHT.
SUN
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING NW
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS. SNOW. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NW
6 FT AT 6 SECONDS AND SE 2 FT AT 13 SECONDS, BECOMING NW 8 FT AT
7 SECONDS AND SE 3 FT AT 10 SECONDS. LIGHT FREEZING SPRAY AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT WITH VSBY 1 NM
OR LESS.
MON
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING
TO 20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 6 TO
9 FT, SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: NW
8 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS, BECOMING W 6 FT AT
7 SECONDS AND E 2 FT AT 10 SECONDS. LIGHT FREEZING SPRAY IN THE
MORNING.
MON NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND E 2 FT AT
10 SECONDS.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
WED AND WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-140700-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 10 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
W WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 4 FT AT 6 SECONDS. A CHANCE OF
RAIN IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT WITH VSBY
1 TO 3 NM.
SUN
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. SNOW, MAINLY IN THE
MORNING. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NW
6 FT AT 5 SECONDS AND SE 2 FT AT 12 SECONDS, BECOMING NW 7 FT AT
6 SECONDS AND S 2 FT AT 9 SECONDS.
MON
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING
TO 20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 6 TO
9 FT, SUBSIDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: NW
8 FT AT 6 SECONDS AND S 2 FT AT 9 SECONDS, BECOMING NW 5 FT AT
6 SECONDS AND SE 2 FT AT 10 SECONDS.
MON NIGHT
W 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: W 6 FT
AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
TUE NIGHT
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT.
WED AND WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-140700-
NANTUCKET SOUND-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT
AT 13 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 14 SECONDS. A CHANCE OF RAIN IN THE
EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
NW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 11 SECONDS. SNOW. VSBY 1 NM OR
LESS.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: NW 5 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. LIGHT FREEZING SPRAY AFTER MIDNIGHT. A CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
MON
NW WINDS 25 TO 30 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: NW 5 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS, BECOMING W 4 FT AT 4 SECONDS AND NE 1 FOOT AT
9 SECONDS. LIGHT FREEZING SPRAY.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
AROUND 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND NE 1 FOOT AT
10 SECONDS.
TUE THROUGH WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-140700-
VINEYARD SOUND-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 11 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 6 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN AND
SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
NW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS. SNOW, MAINLY IN THE
MORNING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS. LIGHT FREEZING SPRAY.
MON
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. LIGHT FREEZING
SPRAY.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
TUE AND TUE NIGHT
W WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-140700-
BUZZARDS BAY-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS AROUND 15 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 11 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF RAIN
IN THE EVENING, THEN SNOW AND RAIN AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
SUN
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS. SNOW, MAINLY IN THE
MORNING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS. LIGHT FREEZING SPRAY.
MON
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. LIGHT FREEZING
SPRAY.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE AND TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING SW 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-140700-
RHODE ISLAND SOUND-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE
1 FOOT AT 10 SECONDS, BECOMING SW 3 FT AT 7 SECONDS. A CHANCE OF
RAIN IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT WITH VSBY
1 TO 3 NM.
SUN
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 7 SECONDS AND SE 1 FOOT AT 12 SECONDS. SNOW, MAINLY IN THE
MORNING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND SE 2 FT AT
11 SECONDS.
MON AND MON NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND S 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
W WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND SE
1 FOOT AT 11 SECONDS.
WED AND WED NIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-140700-
BLOCK ISLAND SOUND-
104 PM EST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY
...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
AFTERNOON...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. RAIN LIKELY. SNOW AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS. SNOW, MAINLY IN THE
MORNING. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND S 2 FT AT
9 SECONDS.
MON AND MON NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND S 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING SW 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT
5 SECONDS AND SE 1 FOOT AT 11 SECONDS.
WED AND WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-140700-
BOSTON HARBOR-
104 PM EST SAT DEC 13 2025
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. A CHANCE
OF SNOW IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT WITH VSBY
1 TO 3 NM.
SUN
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. SNOW LIKELY,
MAINLY IN THE MORNING WITH VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
AROUND 2 FT.
MON AND MON NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
WAVES AROUND 2 FT.
TUE THROUGH WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
30 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.
ANZ236-140700-
NARRAGANSETT BAY-
104 PM EST SAT DEC 13 2025
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 4 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 4 FT. A
CHANCE OF RAIN IN THE EVENING, THEN SNOW AFTER MIDNIGHT WITH VSBY
1 TO 3 NM.
SUN
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SNOW, MAINLY IN
THE MORNING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
AROUND 3 FT.
MON AND MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT.
TUE AND TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING SW. GUSTS UP
TO 20 KT. WAVES 2 TO 3 FT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
5 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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