204
FZUS51 KBOX 310604
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 AM EST WED DEC 31 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-311900-
104 AM EST WED DEC 31 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
GALE FORCE W WINDS WITH POCKETS OF FREEZING SPRAY WILL CONTINUE
THROUGH TONIGHT. A COLD FRONT CROSSES THE WATERS WED NIGHT INTO
EARLY THU, THEN HIGH PRES BUILDS S OF THE WATERS FRI. ANOTHER COLD
FRONT MOVES ACROSS THE REGION FRI NIGHT FOLLOWED BY HIGH PRES
BUILDING ACROSS THE WATERS THIS WEEKEND.
ANZ250-311900-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. LIGHT FREEZING SPRAY.
WED
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: W 6 FT
AT 6 SECONDS AND E 1 FOOT AT 11 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
11 SECONDS. SNOW LIKELY AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
W WINDS 15 TO 20 KT, BECOMING NW 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E
2 FT AT 13 SECONDS, BECOMING NW 5 FT AT 5 SECONDS AND E 2 FT AT
13 SECONDS. A CHANCE OF SNOW SHOWERS. LIGHT FREEZING SPRAY IN THE
AFTERNOON. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
NW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 6 FT AT 5 SECONDS AND E
2 FT AT 12 SECONDS. LIGHT FREEZING SPRAY.
FRI
W 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: W 5 FT
AT 5 SECONDS AND E 2 FT AT 12 SECONDS. LIGHT FREEZING SPRAY.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. LIGHT FREEZING SPRAY LIKELY AFTER MIDNIGHT.
SAT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. LIGHT FREEZING SPRAY LIKELY.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. LIGHT FREEZING SPRAY LIKELY.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT. 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.
ANZ251-311900-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 AM EST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND E 1 FOOT AT
13 SECONDS. LIGHT FREEZING SPRAY.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
12 SECONDS. LIGHT FREEZING SPRAY IN THE MORNING.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
11 SECONDS. SNOW LIKELY AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
W WINDS 15 TO 20 KT, BECOMING NW 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
4 FT AT 4 SECONDS AND E 1 FOOT AT 14 SECONDS. A CHANCE OF SNOW
SHOWERS. LIGHT FREEZING SPRAY IN THE AFTERNOON. VSBY 1 TO 3 NM IN
THE MORNING.
THU NIGHT THROUGH FRI NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND E
2 FT AT 13 SECONDS. LIGHT FREEZING SPRAY.
SAT
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS. LIGHT FREEZING SPRAY
LIKELY.
SAT NIGHT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 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.
ANZ231-311900-
CAPE COD BAY-
104 AM EST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF TONIGHT
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 SE 1 FOOT AT
12 SECONDS. LIGHT FREEZING SPRAY.
WED
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 5 SECONDS AND E 1 FOOT AT 12 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E
1 FOOT AT 11 SECONDS. SNOW LIKELY AFTER MIDNIGHT WITH VSBY 1 NM
OR LESS.
THU
W WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
4 FT AT 4 SECONDS AND E 1 FOOT AT 14 SECONDS. A CHANCE OF SNOW
SHOWERS. LIGHT FREEZING SPRAY IN THE AFTERNOON. VSBY 1 NM OR LESS
IN THE MORNING.
THU NIGHT AND FRI
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND E 1 FOOT AT
13 SECONDS. LIGHT FREEZING SPRAY.
FRI NIGHT
W 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 NE 1 FOOT AT
10 SECONDS.
SAT THROUGH SUN NIGHT
NW 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.
ANZ254-311900-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT, EXCEPT
9 TO 13 FT S AND E OF NANTUCKET. WAVE DETAIL: W 8 FT AT 6 SECONDS
AND SE 1 FOOT AT 11 SECONDS.
WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT, SUBSIDING TO 3 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: W
6 FT AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS, BECOMING SW 4 FT
AT 6 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E 2 FT AT
14 SECONDS. SNOW LIKELY WITH A CHANCE OF RAIN AFTER MIDNIGHT WITH
VSBY 1 NM OR LESS.
THU
W 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: NW
5 FT AT 5 SECONDS AND E 2 FT AT 14 SECONDS. A CHANCE OF SNOW
SHOWERS. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
NW WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL:
NW 6 FT AT 6 SECONDS AND E 2 FT AT 12 SECONDS. LIGHT FREEZING
SPRAY.
FRI
W 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: W 6 FT
AT 6 SECONDS AND E 2 FT AT 12 SECONDS. LIGHT FREEZING SPRAY.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SAT THROUGH SUN NIGHT
NW WINDS 15 TO 20 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.
ANZ255-311900-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. WAVE
DETAIL: W 12 FT AT 9 SECONDS AND E 1 FOOT AT 13 SECONDS.
WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, DIMINISHING TO
15 TO 20 KT IN THE AFTERNOON. SEAS 6 TO 9 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND E
1 FOOT AT 12 SECONDS, BECOMING SW 6 FT AT 8 SECONDS AND E 1 FOOT
AT 12 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND E 1 FOOT AT
11 SECONDS. SNOW LIKELY WITH A CHANCE OF RAIN AFTER MIDNIGHT WITH
VSBY 1 NM OR LESS.
THU
W WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 8 SECONDS AND E
2 FT AT 14 SECONDS. A CHANCE OF SNOW SHOWERS. SHOWERS LIKELY IN
THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. WAVE DETAIL: W 9 FT AT 8 SECONDS AND E 2 FT AT
13 SECONDS. LIGHT FREEZING SPRAY.
FRI
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT
AT 7 SECONDS AND E 2 FT AT 12 SECONDS. LIGHT FREEZING SPRAY IN
THE MORNING.
FRI NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SAT AND SAT NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT. 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.
ANZ256-311900-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: W 11 FT AT 8 SECONDS.
WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, DIMINISHING TO
15 TO 20 KT IN THE AFTERNOON. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 8 FT AT 8 SECONDS AND E
1 FOOT AT 12 SECONDS, BECOMING SW 6 FT AT 7 SECONDS AND E 1 FOOT
AT 12 SECONDS.
WED NIGHT
SW 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:
SW 6 FT AT 7 SECONDS AND E 1 FOOT AT 12 SECONDS. SNOW WITH A
CHANCE OF RAIN AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
W WINDS 20 TO 25 KT, BECOMING NW 25 TO 30 KT IN THE
AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: W 7 FT AT 7 SECONDS AND E
1 FOOT AT 15 SECONDS. A CHANCE OF SNOW SHOWERS IN THE MORNING.
THU NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. WAVE DETAIL: NW 7 FT AT 7 SECONDS AND E 1 FOOT AT
14 SECONDS. LIGHT FREEZING SPRAY.
FRI
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND E 1 FOOT AT 13 SECONDS. LIGHT FREEZING SPRAY IN
THE MORNING.
FRI NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
SAT NIGHT THROUGH SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 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.
ANZ232-311900-
NANTUCKET SOUND-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: W 6 FT AT 6 SECONDS AND S 1 FOOT AT 12 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO AROUND 15 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND
SE 1 FOOT AT 12 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS. SNOW WITH A CHANCE OF RAIN AFTER MIDNIGHT WITH VSBY
1 NM OR LESS.
THU
W WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 4 SECONDS AND E 1 FOOT AT 14 SECONDS. SNOW SHOWERS LIKELY,
MAINLY IN THE MORNING. LIGHT FREEZING SPRAY IN THE AFTERNOON.
VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT AND FRI
W WINDS 25 TO 30 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: W 4 FT AT 5 SECONDS AND E 1 FOOT AT 13 SECONDS. LIGHT
FREEZING SPRAY.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W
3 FT AT 4 SECONDS AND E 1 FOOT AT 12 SECONDS.
SAT THROUGH SUN NIGHT
NW 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.
ANZ233-311900-
VINEYARD SOUND-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: SW 7 FT AT 7 SECONDS.
WED
W WINDS 20 TO 25 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: SW 6 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS, BECOMING SW 4 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS
AND E 1 FOOT AT 11 SECONDS. SNOW WITH A CHANCE OF RAIN AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
W WINDS 15 TO 20 KT, BECOMING NW 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND E 1 FOOT AT 14 SECONDS. A CHANCE OF SNOW
SHOWERS IN THE MORNING. LIGHT FREEZING SPRAY IN THE AFTERNOON.
VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT AND FRI
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND E 1 FOOT AT
14 SECONDS. LIGHT FREEZING SPRAY.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 6 SECONDS AND E 1 FOOT AT 12 SECONDS.
SAT THROUGH SUN NIGHT
NW WINDS 15 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.
ANZ234-311900-
BUZZARDS BAY-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT AT 12 SECONDS. LIGHT
FREEZING SPRAY.
WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT, SUBSIDING TO 2 TO 3 FT IN THE AFTERNOON. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND SE 1 FOOT AT 12 SECONDS, BECOMING SW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 12 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS. SNOW AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
W WINDS 15 TO 20 KT, BECOMING NW 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 6 SECONDS AND E 1 FOOT AT 14 SECONDS. A CHANCE OF SNOW SHOWERS
IN THE MORNING. LIGHT FREEZING SPRAY IN THE AFTERNOON. VSBY 1 NM
OR LESS IN THE MORNING.
THU NIGHT AND FRI
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND E 1 FOOT AT
14 SECONDS. LIGHT FREEZING SPRAY.
FRI NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS
AND E 1 FOOT AT 12 SECONDS.
SAT THROUGH SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 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.
ANZ235-311900-
RHODE ISLAND SOUND-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. WAVE
DETAIL: W 9 FT AT 8 SECONDS AND S 1 FOOT AT 11 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT 8 SECONDS AND
SE 1 FOOT AT 13 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS. SNOW WITH A CHANCE OF RAIN AFTER MIDNIGHT WITH VSBY
1 NM OR LESS.
THU
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 6 FT AT 7 SECONDS AND E 1 FOOT AT
15 SECONDS. A CHANCE OF SNOW SHOWERS IN THE MORNING. LIGHT
FREEZING SPRAY IN THE AFTERNOON.
THU NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: W 6 FT AT 7 SECONDS AND E 1 FOOT AT
15 SECONDS. LIGHT FREEZING SPRAY.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND E 1 FOOT AT
13 SECONDS. LIGHT FREEZING SPRAY IN THE MORNING. LIGHT FREEZING
SPRAY LIKELY AFTER MIDNIGHT.
SAT AND SAT NIGHT
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 2 TO 4 FT.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT. SEAS 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.
ANZ237-311900-
BLOCK ISLAND SOUND-
104 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
REST OF TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND S 1 FOOT AT
11 SECONDS.
WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND S 1 FOOT AT
12 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SNOW IN THE EVENING, THEN SNOW WITH A
CHANCE OF RAIN AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS. A CHANCE OF SNOW SHOWERS IN THE MORNING. LIGHT
FREEZING SPRAY IN THE AFTERNOON.
THU NIGHT
NW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND SE 1 FOOT AT 15 SECONDS. LIGHT FREEZING SPRAY.
FRI
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 E 1 FOOT AT
13 SECONDS. LIGHT FREEZING SPRAY.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT THROUGH SUN NIGHT
NW 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.
ANZ230-311900-
BOSTON HARBOR-
104 AM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
REST OF TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
WAVES AROUND 2 FT.
WED
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FOOT OR LESS. SNOW
LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
W WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF SNOW
SHOWERS IN THE MORNING.
THU NIGHT THROUGH FRI NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. WAVES AROUND 2 FT.
SAT THROUGH SUN NIGHT
W 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.
ANZ236-311900-
NARRAGANSETT BAY-
104 AM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...
REST OF TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 4 FT. LIGHT FREEZING SPRAY.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
4 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT. SNOW AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SNOW SHOWERS IN THE MORNING. LIGHT FREEZING
SPRAY IN THE AFTERNOON.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
2 TO 3 FT. LIGHT FREEZING SPRAY.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SAT THROUGH SUN NIGHT
NW WINDS 5 TO 10 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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page