657
FZUS51 KBOX 280504
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 AM EDT SAT MAR 28 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-281800-
104 AM EDT SAT MAR 28 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.
ANZ250-281800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS AND SE 2 FT AT 8 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 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO
20 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 IN THE
AFTERNOON. GUSTS UP TO 25 KT. 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 AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. RAIN LIKELY.
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.
ANZ251-281800-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
N WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT
6 SECONDS AND W 1 FOOT AT 2 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 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. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
TUE THROUGH WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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.
WED NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. RAIN LIKELY.
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.
ANZ231-281800-
CAPE COD BAY-
104 AM EDT SAT MAR 28 2026
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 5 SECONDS AND S 1 FOOT
AT 8 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 NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
N 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN
W WINDS AROUND 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. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. RAIN LIKELY.
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.
ANZ254-281800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 AM EDT SAT MAR 28 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND S 3 FT AT
8 SECONDS.
SAT
N WINDS 15 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
N WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
3 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
NW 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 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
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND S 4 FT AT 5 SECONDS.
TUE NIGHT AND WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 6 TO 9 FT.
WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. RAIN LIKELY.
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.
ANZ255-281800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND NE 2 FT AT
5 SECONDS.
SAT
N WINDS 15 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 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS
AND NE 2 FT AT 5 SECONDS.
SUN
NW 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 E 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 2 FT AT
8 SECONDS.
MON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 1 FOOT AT
8 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT.
TUE NIGHT
SW WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
8 TO 11 FT.
WED
SW WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT.
WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 10 FT. RAIN LIKELY.
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.
ANZ256-281800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND NE 2 FT AT
4 SECONDS.
SAT
N WINDS 15 TO 20 KT, BECOMING NW 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 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND NE 2 FT AT 4 SECONDS.
SUN
NW 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 WITH GUSTS UP
TO 30 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 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
8 TO 11 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
12 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
8 TO 11 FT. RAIN LIKELY.
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.
ANZ232-281800-
NANTUCKET SOUND-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 8 SECONDS AND N 1 FOOT AT 4 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
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 4 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN
W WINDS AROUND 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 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. RAIN LIKELY.
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.
ANZ233-281800-
VINEYARD SOUND-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 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
W WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO
20 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 10 TO 15 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 3 TO 5 FT. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 35 KT. SEAS 5 TO 8 FT.
WED
SW WINDS 25 TO 35 KT. SEAS 6 TO 9 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. RAIN LIKELY.
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.
ANZ234-281800-
BUZZARDS BAY-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
SAT NIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND W
1 FOOT 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 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 15 TO 20 KT WITH GUSTS UP
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 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. RAIN LIKELY.
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.
ANZ235-281800-
RHODE ISLAND SOUND-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND N
2 FT AT 3 SECONDS.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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 15 TO 20 KT WITH GUSTS UP
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 WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. RAIN LIKELY.
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.
ANZ237-281800-
BLOCK ISLAND SOUND-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND NE 1 FOOT AT
4 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW IN
THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS
AND N 2 FT AT 3 SECONDS.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND NW 1 FOOT AT
3 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 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.
A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 8 FT. RAIN LIKELY.
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.
ANZ230-281800-
BOSTON HARBOR-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT. WAVES AROUND
2 FT.
TUE THROUGH WED
SW WINDS 25 TO 30 KT. WAVES AROUND 2 FT. A
CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT. WAVES AROUND 2 FT. RAIN
LIKELY.
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.
ANZ236-281800-
NARRAGANSETT BAY-
104 AM EDT SAT MAR 28 2026
REST OF TONIGHT
N WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES AROUND 2 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SUN
W WINDS 10 TO 15 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 3 FT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
4 FT. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT. WAVES 3 TO 5 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
5 FT, EXCEPT 5 TO 8 FT AT THE BAY ENTRANCE. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
3 TO 5 FT. RAIN LIKELY.
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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