275
FZUS51 KBOX 272304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
704 PM EDT FRI MAR 27 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-281200-
704 PM EDT FRI MAR 27 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT MOVES ACROSS THE WATERS THIS MORNING. GUSTY N TO NW
WINDS DEVELOP TODAY, THEN DIMINISH TONIGHT. A LARGE HIGH PRES TO THE
W WILL LEAD TO N TO NE WINDS FOR SATURDAY, BUT NOT NEARLY AS STRONG.
TRANQUIL BOATING WEATHER LINGERS INTO EARLY NEXT WEEK AS A HIGH
PRES MOVE OFFSHORE THE MID ATLC COAST.
ANZ250-281200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND
NE 2 FT AT 5 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
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.
ANZ251-281200-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 PM EDT FRI MAR 27 2026
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND
W 1 FOOT AT 2 SECONDS.
SUN
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E
1 FOOT AT 8 SECONDS.
TUE THROUGH WED NIGHT
NW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: S 4 FT AT 5 SECONDS AND S 3 FT AT 8 SECONDS. A
CHANCE OF 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.
ANZ231-281200-
CAPE COD BAY-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND S
2 FT AT 9 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND NE 2 FT AT 5 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
TUE NIGHT THROUGH WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT. A CHANCE OF 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.
ANZ254-281200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
704 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND N 3 FT AT 6 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND S 3 FT AT 8 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
3 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 2 FT AT 5 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND
SE 4 FT AT 8 SECONDS.
TUE
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND S 4 FT AT 5 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT. SEAS 6 TO 9 FT.
WED
SW WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. A CHANCE OF 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.
ANZ255-281200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
TONIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND N 3 FT AT
4 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND NE
2 FT AT 5 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
E 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 6 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
TUE NIGHT AND WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 6 TO 9 FT.
WED NIGHT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. A CHANCE OF
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.
ANZ256-281200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND NE
2 FT AT 4 SECONDS, BECOMING S 4 FT AT 8 SECONDS AND NE 2 FT AT
4 SECONDS.
SAT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND
S 3 FT AT 8 SECONDS.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND NE 2 FT AT 4 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND S 5 FT AT 9 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
6 TO 9 FT.
WED AND WED NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT,
BECOMING W. SEAS 8 TO 9 FT, SUBSIDING TO 6 TO 9 FT. A CHANCE OF
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.
ANZ232-281200-
NANTUCKET SOUND-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S
2 FT AT 8 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT 8 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 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 5 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SE 2 FT AT 9 SECONDS.
TUE
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT. SEAS 4 TO 6 FT.
WED
SW WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF
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.
ANZ233-281200-
VINEYARD SOUND-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 3 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 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 5 SECONDS.
SUN NIGHT AND MON
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 6 SECONDS AND NE 1 FOOT AT 5 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS
AND S 4 FT AT 9 SECONDS.
TUE
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT.
WED AND WED NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT,
BECOMING W 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF 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.
ANZ234-281200-
BUZZARDS BAY-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND
SW 2 FT AT 8 SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND W 1 FOOT AT 4 SECONDS,
BECOMING W 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 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: W 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 5 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 3 FT AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SW 3 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
SW WINDS 25 TO 30 KT, BECOMING W 20 TO
25 KT. SEAS 3 TO 5 FT. A CHANCE OF 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.
ANZ235-281200-
RHODE ISLAND SOUND-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND N 2 FT AT
3 SECONDS.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND S 5 FT AT 9 SECONDS.
TUE
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT.
WED AND WED NIGHT
SW WINDS 25 TO 30 KT, BECOMING W 20 TO
25 KT. SEAS 5 TO 8 FT. A CHANCE OF 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.
ANZ237-281200-
BLOCK ISLAND SOUND-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND N 2 FT AT
3 SECONDS.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 8 SECONDS AND NW 1 FOOT AT 3 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 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 3 SECONDS.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND
SE 3 FT AT 8 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT.
WED AND WED NIGHT
SW WINDS 20 TO 25 KT, BECOMING W. GUSTS UP
TO 30 KT. SEAS 5 TO 7 FT. A CHANCE OF 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.
ANZ230-281200-
BOSTON HARBOR-
704 PM EDT FRI MAR 27 2026
TONIGHT
N WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT.
SAT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN
SW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT. WAVES AROUND
2 FT.
TUE THROUGH WED NIGHT
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF 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.
ANZ236-281200-
NARRAGANSETT BAY-
704 PM EDT FRI MAR 27 2026
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
SAT
N WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. WAVES 2 TO 4 FT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
4 FT.
TUE NIGHT THROUGH WED NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP
TO 30 KT. WAVES 4 TO 6 FT. A CHANCE OF 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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page