206
FZUS51 KBOX 222305
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 PM EDT FRI MAY 22 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-231200-
705 PM EDT FRI MAY 22 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRESSURE MOVES OFFSHORE SATURDAY, THEN A WARM FRONT AND LOW
PRESSURE SYSTEM APPROACHES THE WATERS FROM THE SOUTH ON SUNDAY. IT
MAY BRING NEAR GALE FORCE WIND GUSTS FOR THE FAR OUTER WATERS SOUTH
OF BLOCK ISLAND AND NANTUCKET. THE LOW PRESSURE LIFTS NORTHEAST
ACROSS THE WATERS SUNDAY NIGHT THEN INTO THE GULF OF MAINE MONDAY.
WEAK HIGH PRES FOLLOWS TUESDAY THEN A COLD FRONT WILL MOVE INTO THE
REGION FROM THE NORTH WEDNESDAY AFTERNOON/EVENING.
ANZ250-231200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 PM EDT FRI MAY 22 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT
5 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT
AT 3 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SE 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 10 SECONDS, BECOMING SE 2 FT AT 4 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SUN
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN IN
THE MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 6 SECONDS. RAIN IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND E 3 FT AT
7 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
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.
ANZ251-231200-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 PM EDT FRI MAY 22 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT THIS EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND SE 1 FOOT AT 4 SECONDS, BECOMING SW 1 FOOT
AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 4 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SE 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 10 SECONDS, BECOMING E 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 8 SECONDS.
SUN
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 4 SECONDS AND SE 3 FT AT 10 SECONDS. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT, BECOMING E 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 6 SECONDS. RAIN IN THE EVENING. SHOWERS AFTER MIDNIGHT.
MON
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 6 SECONDS AND NW 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED AND WED NIGHT
W WINDS 5 TO 10 KT, BECOMING NW. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
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.
ANZ231-231200-
CAPE COD BAY-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...
TONIGHT
SE WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS
AND N 1 FOOT AT 3 SECONDS, BECOMING E 2 FT AT 9 SECONDS AND N
1 FOOT AT 3 SECONDS.
SUN
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 5 SECONDS. RAIN IN THE EVENING. SHOWERS AFTER
MIDNIGHT.
MON
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S 2 FT AT
5 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WED
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
WED NIGHT
NW WINDS 5 TO 10 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.
ANZ254-231200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
LATE SUNDAY NIGHT...
TONIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
SE 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: E 6 FT
AT 5 SECONDS AND S 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
SE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL:
SE 8 FT AT 8 SECONDS AND E 3 FT AT 4 SECONDS. RAIN IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
MON
S WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 8 SECONDS AND
NE 2 FT AT 8 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE THROUGH WED NIGHT
NW WINDS 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.
ANZ255-231200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
LATE SUNDAY NIGHT...
TONIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 4 SECONDS AND
SE 4 FT AT 8 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT, BECOMING SE 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: SE
8 FT AT 9 SECONDS AND E 4 FT AT 4 SECONDS. RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT. WAVE DETAIL: S 9 FT
AT 8 SECONDS AND E 5 FT AT 5 SECONDS. RAIN IN THE EVENING.
SHOWERS AFTER MIDNIGHT.
MON
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
6 FT AT 8 SECONDS AND S 4 FT AT 7 SECONDS. SHOWERS LIKELY, MAINLY
IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
TUE THROUGH WED NIGHT
NW WINDS 10 TO 15 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.
ANZ256-231200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
LATE SUNDAY NIGHT...
TONIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND NE 3 FT AT 4 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND N
1 FOOT AT 3 SECONDS, BECOMING SE 6 FT AT 8 SECONDS AND NE 5 FT AT
5 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SUN
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT, BUILDING TO 8 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: SE
8 FT AT 9 SECONDS AND E 6 FT AT 5 SECONDS, BECOMING SE 9 FT AT
9 SECONDS AND NE 7 FT AT 5 SECONDS. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING S 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 8 TO 10 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 9 FT AT 9 SECONDS AND NE 6 FT AT 10 SECONDS, BECOMING
SE 7 FT AT 9 SECONDS AND S 5 FT AT 9 SECONDS. RAIN IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT
AT 8 SECONDS AND W 2 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
TUE THROUGH WED NIGHT
NW WINDS 10 TO 15 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.
ANZ232-231200-
NANTUCKET SOUND-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...
TONIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT THIS EVENING, THEN 1 FOOT OR LESS.
WAVE DETAIL: NE 2 FT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS,
BECOMING NE 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND N
1 FOOT AT 4 SECONDS.
SUN
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 5 SECONDS AND SW 2 FT AT 9 SECONDS. RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 6 SECONDS AND SW 2 FT AT 8 SECONDS. RAIN IN THE EVENING.
SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT
4 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE THROUGH WED 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.
ANZ233-231200-
VINEYARD SOUND-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...
TONIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS
AND SE 1 FOOT AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 11 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SUN
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 4 FT AT 9 SECONDS.
RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
BECOMING S 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND S 3 FT AT
10 SECONDS. RAIN IN THE EVENING. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 7 SECONDS AND SW 2 FT AT 7 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE THROUGH WED 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.
ANZ234-231200-
BUZZARDS BAY-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...
TONIGHT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT THIS EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS AND S
1 FOOT AT 6 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 7 SECONDS, BECOMING E 1 FOOT AT 2 SECONDS AND N 1 FOOT
AT 4 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SUN
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND E 2 FT AT 3 SECONDS.
RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
BECOMING S 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS. RAIN IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
MON
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE THROUGH WED 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.
ANZ235-231200-
RHODE ISLAND SOUND-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND NE 2 FT AT 3 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND E
2 FT AT 3 SECONDS. RAIN LIKELY AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND E 4 FT AT 4 SECONDS.
RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
BECOMING S 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 5 TO 8 FT. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND E 4 FT AT
7 SECONDS. RAIN IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 8 SECONDS AND SW 2 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE THROUGH WED 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.
ANZ237-231200-
BLOCK ISLAND SOUND-
705 PM EDT FRI MAY 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SATURDAY NIGHT
THROUGH LATE SUNDAY NIGHT...
TONIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
2 FT AT 4 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
1 FOOT AT 3 SECONDS, BECOMING SE 5 FT AT 8 SECONDS AND E 3 FT AT
4 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN AFTER
MIDNIGHT.
SUN
E WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND E 4 FT AT 5 SECONDS.
RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING S 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT. WAVE
DETAIL: SE 8 FT AT 9 SECONDS AND E 3 FT AT 8 SECONDS. RAIN IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
MON
W WINDS AROUND 5 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT
AT 9 SECONDS AND S 3 FT AT 9 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 4 FT.
TUE THROUGH WED NIGHT
NW WINDS 10 TO 15 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.
ANZ230-231200-
BOSTON HARBOR-
705 PM EDT FRI MAY 22 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. RAIN.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. RAIN
IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
MON NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
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.
ANZ236-231200-
NARRAGANSETT BAY-
705 PM EDT FRI MAY 22 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. WAVES
AROUND 2 FT.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
AROUND 2 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF
RAIN AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
5 FT. RAIN.
SUN NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 4 FT. RAIN
IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. WAVES
2 TO 4 FT. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
TUE THROUGH WED 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.
ANZ280-231200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
705 PM EDT FRI MAY 22 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND NW 1 FOOT AT 2 SECONDS.
SUN
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 6 SECONDS AND N 1 FOOT AT 2 SECONDS. RAIN IN THE
AFTERNOON.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SE
6 FT AT 7 SECONDS, BECOMING SE 8 FT AT 6 SECONDS. RAIN IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: SE 8 FT
AT 8 SECONDS AND E 3 FT AT 7 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS IN THE EVENING.
TUE THROUGH WED NIGHT
NW 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.
ANZ281-231200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
705 PM EDT FRI MAY 22 2026
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
4 SECONDS AND SE 2 FT AT 10 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
SUN
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 6 FT AT 6 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 9 FT. WAVE DETAIL: SE 9 FT AT 7 SECONDS AND S 1 FOOT AT
10 SECONDS. RAIN IN THE EVENING. SHOWERS AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SE 7 FT AT 8 SECONDS AND NE
1 FOOT AT 8 SECONDS, BECOMING SE 6 FT AT 8 SECONDS AND NE 3 FT AT
8 SECONDS. SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
TUE THROUGH WED NIGHT
NW WINDS 5 TO 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.
ANZ282-231200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
705 PM EDT FRI MAY 22 2026
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
E 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT 6 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 5 FT
AT 4 SECONDS AND SE 5 FT AT 8 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
SUN
E WINDS 15 TO 20 KT, BECOMING SE 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT, BUILDING TO 7 TO
10 FT IN THE AFTERNOON. WAVE DETAIL: SE 8 FT AT 8 SECONDS AND E
3 FT AT 5 SECONDS, BECOMING SE 10 FT AT 9 SECONDS AND E 3 FT AT
4 SECONDS. RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 9 TO 11 FT, SUBSIDING TO 7 TO
9 FT AFTER MIDNIGHT. WAVE DETAIL: SE 10 FT AT 9 SECONDS AND E
3 FT AT 5 SECONDS, BECOMING SE 8 FT AT 7 SECONDS AND NE 1 FOOT AT
7 SECONDS. RAIN IN THE EVENING. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND NE 2 FT AT 9 SECONDS.
SHOWERS, MAINLY IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
TUE
W WINDS AROUND 5 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
TUE NIGHT THROUGH WED NIGHT
NW WINDS 10 TO 15 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.
ANZ283-231200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
705 PM EDT FRI MAY 22 2026
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS AND N 3 FT AT 4 SECONDS.
SAT NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 5 TO 7 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 6 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS, BECOMING SE
8 FT AT 8 SECONDS AND E 5 FT AT 5 SECONDS. A CHANCE OF RAIN IN
THE EVENING, THEN RAIN AFTER MIDNIGHT.
SUN
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT. WAVE DETAIL: SE 12 FT AT 9 SECONDS AND NE 7 FT AT
5 SECONDS. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING S 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 9 TO 12 FT, SUBSIDING TO 7 TO 8 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 10 FT AT 9 SECONDS AND E 7 FT AT 10 SECONDS, BECOMING
SE 7 FT AT 8 SECONDS AND S 4 FT AT 9 SECONDS. RAIN IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S 6 FT
AT 7 SECONDS AND NE 2 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
TUE THROUGH WED NIGHT
NW WINDS 10 TO 15 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.
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