247
FZUS51 KBOX 271104
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT WED MAY 27 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-280000-
703 AM EDT WED MAY 27 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
WEAK HIGH PRES MOVES OFFSHORE TONIGHT. A COLD FRONT WILL DROP S INTO
THE WATERS FROM THE N WED AFTERNOON/EVENING WHILE A LOW PRES CROSS
NOVA SCOTIA. ANOTHER COLD FRONT AND ASSOCIATED LOW PRES SHOULD CROSS
THE WATERS LATER FRI INTO SAT.
ANZ250-280000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT THIS
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS THIS AFTERNOON.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT
AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 6 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI
N WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 8 SECONDS AND S 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER
MIDNIGHT.
SAT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. SHOWERS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
SUN NIGHT
W WINDS AROUND 10 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.
ANZ251-280000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS
AND E 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS THIS
AFTERNOON.
TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: N 1 FOOT AT 6 SECONDS,
BECOMING N 2 FT AT 10 SECONDS AND NE 1 FOOT AT 6 SECONDS. A
CHANCE OF SHOWERS IN THE EVENING.
FRI
N WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND E
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. SHOWERS.
SAT NIGHT
N WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
SUN NIGHT
NW WINDS 5 TO 10 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.
ANZ231-280000-
CAPE COD BAY-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT IN THE EVENING, THEN
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 8 SECONDS, BECOMING NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
7 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS. A
CHANCE OF SHOWERS IN THE EVENING.
FRI
N WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND
NE 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 5 TO 10 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.
ANZ254-280000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS. PATCHY FOG THIS AFTERNOON WITH VSBY 1 TO 3 NM.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS
AND SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY
1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 5 SECONDS AND E 2 FT AT 7 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND SW 2 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND NE 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT.
SAT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. SHOWERS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT.
SUN NIGHT
W WINDS AROUND 10 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.
ANZ255-280000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND E 1 FOOT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
THU
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
6 SECONDS AND E 1 FOOT AT 7 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND NE 1 FOOT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND NE 1 FOOT AT
7 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
SW 5 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
SAT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SUN
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
W WINDS 10 TO 15 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.
ANZ256-280000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM THIS AFTERNOON.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
THU
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND E 1 FOOT AT 4 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
SAT
NW WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
SAT NIGHT THROUGH SUN NIGHT
W 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.
ANZ232-280000-
NANTUCKET SOUND-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS
AND SE 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY
1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
1 FOOT AT 6 SECONDS AND NE 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
7 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. SHOWERS LIKELY.
SAT NIGHT THROUGH SUN 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.
ANZ233-280000-
VINEYARD SOUND-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE EVENING
WITH VSBY 1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 6 SECONDS AND NE 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS
AND E 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS
AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT.
SAT
NW WINDS 20 TO 25 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
W 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.
ANZ234-280000-
BUZZARDS BAY-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 2 FT, BUILDING TO 3 TO
4 FT THIS AFTERNOON. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND S
1 FOOT AT 7 SECONDS, BECOMING S 3 FT AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND E 1 FOOT AT 7 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND W 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS
AND SW 1 FOOT AT 6 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND
SW 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI
NW WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON. WAVE DETAIL: NE 1 FOOT AT 5 SECONDS AND W 1 FOOT AT
7 SECONDS, BECOMING SW 2 FT AT 7 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. SHOWERS LIKELY.
SAT NIGHT THROUGH SUN NIGHT
W 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.
ANZ235-280000-
RHODE ISLAND SOUND-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS
AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS
AND SE 3 FT AT 9 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY
1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND NE 1 FOOT
AT 2 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. SHOWERS LIKELY
AFTER MIDNIGHT.
SAT
NW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
SAT NIGHT THROUGH SUN 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.
ANZ237-280000-
BLOCK ISLAND SOUND-
703 AM EDT WED MAY 27 2026
TODAY
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 SE 2 FT AT 8 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
6 SECONDS AND SE 2 FT AT 8 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 6 SECONDS AND E 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND SE 1 FOOT
AT 7 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI 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 SE 1 FOOT AT
8 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
W 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.
ANZ230-280000-
BOSTON HARBOR-
703 AM EDT WED MAY 27 2026
TODAY
W WINDS AROUND 10 KT. WAVES AROUND 2 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
FRI
N WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS IN THE AFTERNOON.
FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS IN
THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
NW 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.
ANZ236-280000-
NARRAGANSETT BAY-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS AFTERNOON.
WAVES AROUND 2 FT. A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
AROUND 2 FT.
THU
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS
IN THE AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. SHOWERS LIKELY AFTER MIDNIGHT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
SAT NIGHT THROUGH SUN NIGHT
W WINDS 15 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.
ANZ280-280000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND SE 3 FT AT 8 SECONDS.
A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 3 FT AT
7 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
6 SECONDS AND NE 2 FT AT 7 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND NE 2 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND NE 2 FT AT
8 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 2 FT
AT 9 SECONDS, BECOMING S 4 FT AT 5 SECONDS AND E 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER
MIDNIGHT.
SAT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. SHOWERS.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 7 FT. A CHANCE OF SHOWERS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ281-280000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM
THIS AFTERNOON.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS
AND E 2 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT
AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND N 2 FT AT 6 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 4 TO
5 FT. WAVE DETAIL: NE 3 FT AT 8 SECONDS AND SW 2 FT AT 7 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND NE
3 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT. SHOWERS.
SAT NIGHT
N WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. A CHANCE OF
SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 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.
ANZ282-280000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 2 FT AT 7 SECONDS.
PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM THIS
AFTERNOON.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT
6 SECONDS AND NE 2 FT AT 8 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND NE 2 FT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND NE 2 FT AT
8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS
AND NE 3 FT AT 8 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
SAT
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. SHOWERS LIKELY.
SAT NIGHT
N WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.
SUN AND SUN NIGHT
NW WINDS 15 TO 20 KT, BECOMING W 10 TO
15 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.
ANZ283-280000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT WED MAY 27 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS THIS AFTERNOON. VSBY 1 NM OR LESS, INCREASING
TO 1 TO 3 NM THIS AFTERNOON.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: NW 3 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND NE 1 FOOT AT 5 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 7 SECONDS AND
E 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
SW 5 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SAT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO
8 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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