291
FZUS51 KBOX 191405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT THU MAR 19 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-200300-
1004 AM EDT THU MAR 19 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES REMAINS OVER THE WATERS THROUGH FRI. A SERIES OF WEAK LOW
PRES SYSTEMS WILL MOVE THROUGH NEW ENGLAND OVER THE WEEKEND,
FOLLOWED BY HIGH PRES EARLY NEXT WEEK.
ANZ250-200300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND S 2 FT AT
3 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND S 2 FT AT 3 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 3 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, BECOMING NW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND
SW 3 FT AT 5 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 3 FT AT
8 SECONDS.
SUN
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SNOW LIKELY
WITH A CHANCE OF RAIN.
MON
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF RAIN AND
SNOW.
MON NIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 7 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.
ANZ251-200300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SE 2 FT AT
3 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 3 FT AT
4 SECONDS. RAIN LIKELY.
SAT
W WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS
AND SW 2 FT AT 4 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS AROUND 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NW
2 FT AT 3 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
SUN NIGHT AND MON
NW WINDS 20 TO 25 KT, BECOMING NE. SEAS 3 TO
5 FT. A CHANCE OF RAIN AND SNOW.
MON NIGHT
N WINDS 20 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.
ANZ231-200300-
CAPE COD BAY-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND S 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, BECOMING NW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS
AND E 2 FT AT 9 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
SUN NIGHT AND MON
W WINDS 15 TO 20 KT, BECOMING N. GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. RAIN AND SNOW LIKELY.
MON NIGHT
N WINDS 20 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.
ANZ254-200300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 3 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS
AND E 4 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 3 FT AT
8 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. RAIN AND SNOW LIKELY.
MON
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF RAIN AND
SNOW.
MON NIGHT
N WINDS 20 TO 25 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.
ANZ255-200300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS.
TONIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 3 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 7 SECONDS AND E 3 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
MON
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF RAIN.
MON NIGHT
N WINDS 25 TO 30 KT. SEAS 5 TO 7 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.
ANZ256-200300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 3 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E
3 FT AT 9 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT.
SUN NIGHT AND MON
S WINDS 20 TO 25 KT, BECOMING NE. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
MON NIGHT
N 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.
ANZ232-200300-
NANTUCKET SOUND-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 9 SECONDS AND SE 1 FOOT AT 3 SECONDS.
TONIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
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 2 FT AT 9 SECONDS.
A CHANCE OF RAIN IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. RAIN LIKELY.
MON
NE WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A CHANCE OF RAIN AND
SNOW.
MON NIGHT
N 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.
ANZ233-200300-
VINEYARD SOUND-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 9 SECONDS AND SE 1 FOOT AT 2 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 9 SECONDS AND S 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. RAIN LIKELY.
MON
NE WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. RAIN AND SNOW
LIKELY.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ234-200300-
BUZZARDS BAY-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 9 SECONDS AND SE 1 FOOT AT 2 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 8 SECONDS AND S 1 FOOT AT 2 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. RAIN LIKELY.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. RAIN AND SNOW LIKELY.
MON NIGHT
N 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.
ANZ235-200300-
RHODE ISLAND SOUND-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. A CHANCE OF RAIN IN
THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. RAIN LIKELY.
MON
NE WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. RAIN AND SNOW
LIKELY.
MON NIGHT
N 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.
ANZ237-200300-
BLOCK ISLAND SOUND-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS.
TONIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS. RAIN LIKELY.
SAT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W
3 FT AT 6 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. RAIN LIKELY.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN AND SNOW LIKELY.
MON NIGHT
N 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.
ANZ230-200300-
BOSTON HARBOR-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
S WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. RAIN LIKELY.
SAT
W WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. WAVES AROUND 2 FT. RAIN LIKELY IN THE MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF RAIN.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT. RAIN AND SNOW LIKELY.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN AND SNOW.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ236-200300-
NARRAGANSETT BAY-
1004 AM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES
2 TO 3 FT. RAIN LIKELY.
SAT
W WINDS 10 TO 15 KT. WAVES 2 TO 3 FT. RAIN LIKELY IN THE
MORNING.
SAT NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT.
SUN
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SUN NIGHT AND MON
SW WINDS 10 TO 15 KT, BECOMING N 15 TO
20 KT. WAVES 2 TO 4 FT. RAIN AND SNOW LIKELY.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
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.
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