881
FZUS51 KBOX 232305
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 PM EDT SAT MAY 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-241200-
705 PM EDT SAT MAY 23 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A WARM FRONT AND LOW PRES APPROACHES THE WATERS FROM THE S ON
SUN. IT MAY BRING NEAR GALE FORCE WIND GUSTS FOR THE FAR OUTER
WATERS S OF BLOCK ISLAND AND NANTUCKET. THE LOW PRES LIFTS NE ACROSS
THE WATERS SUN NIGHT THEN INTO THE GULF OF MAINE MON. WEAK HIGH PRES
FOLLOWS TUE, THEN A COLD FRONT WILL MOVE INTO THE REGION FROM THE
N WED AFTERNOON/EVENING.
ANZ250-241200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY EVENING...
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN
SE WINDS 10 TO 15 KT, BECOMING E 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. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SE 6 FT AT 6 SECONDS. RAIN.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SE 6 FT
AT 9 SECONDS AND E 2 FT AT 6 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
THU AND THU NIGHT
NE 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.
ANZ251-241200-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 PM EDT SAT MAY 23 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
E 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 11 SECONDS. A SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT.
SUN
SE WINDS 10 TO 15 KT, BECOMING E 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 E 3 FT AT 7 SECONDS. RAIN.
SUN NIGHT
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 5 SECONDS AND S 1 FOOT AT 9 SECONDS. RAIN.
MON
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND NW 1 FOOT AT
2 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 3 SECONDS AND E 3 FT AT 8 SECONDS.
WED
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
THU AND THU NIGHT
NE WINDS 5 TO 10 KT, BECOMING N. 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.
ANZ231-241200-
CAPE COD BAY-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...
TONIGHT
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 9 SECONDS, BECOMING E 1 FOOT AT 3 SECONDS AND N 1 FOOT
AT 3 SECONDS. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
SUN
SE WINDS 10 TO 15 KT, BECOMING E 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 4 SECONDS. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 5 SECONDS. RAIN.
MON
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS. SHOWERS LIKELY,
MAINLY IN THE MORNING.
MON NIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT 7 SECONDS.
WED
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT THROUGH THU NIGHT
N 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.
ANZ254-241200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TONIGHT
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: SE 3 FT
AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN
SE WINDS 15 TO 20 KT, BECOMING E 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND NE
1 FOOT AT 3 SECONDS, BECOMING SE 6 FT AT 6 SECONDS AND E 2 FT AT
3 SECONDS. RAIN.
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 9 SECONDS AND E 3 FT AT 3 SECONDS. RAIN.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND SW
1 FOOT AT 2 SECONDS, BECOMING SE 6 FT AT 9 SECONDS AND W 1 FOOT
AT 4 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
5 FT AT 8 SECONDS AND S 2 FT AT 8 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 7 SECONDS AND S 2 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ255-241200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TONIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND NE 2 FT AT 4 SECONDS. A SLIGHT CHANCE OF RAIN
THIS EVENING, THEN A CHANCE OF RAIN AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND E
3 FT AT 5 SECONDS, BECOMING SE 8 FT AT 9 SECONDS AND S 4 FT AT
9 SECONDS. RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,
DIMINISHING TO 15 TO 20 KT WITH GUSTS UP TO 25 KT AFTER MIDNIGHT.
SEAS 6 TO 9 FT. WAVE DETAIL: SE 9 FT AT 9 SECONDS AND E 4 FT AT
5 SECONDS. RAIN.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 9 SECONDS AND S 6 FT AT 8 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
WED THROUGH THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ256-241200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TONIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND NE
2 FT AT 3 SECONDS, BECOMING SE 6 FT AT 9 SECONDS AND E 4 FT AT
4 SECONDS. A CHANCE OF RAIN THIS EVENING, THEN RAIN AFTER
MIDNIGHT.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT, BUILDING TO 7 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: E
8 FT AT 7 SECONDS AND SW 1 FOOT AT 10 SECONDS, BECOMING SE 9 FT
AT 9 SECONDS AND SW 3 FT AT 10 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 8 TO 10 FT, SUBSIDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 9 FT AT 9 SECONDS AND E 3 FT AT 6 SECONDS, BECOMING SE
8 FT AT 9 SECONDS AND E 4 FT AT 6 SECONDS. RAIN. AREAS OF DRIZZLE
AFTER MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
MON
SW 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 9 SECONDS AND
SW 6 FT AT 11 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE
5 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ232-241200-
NANTUCKET SOUND-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...
TONIGHT
SE 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 SE
2 FT AT 8 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
3 FT, BUILDING TO 3 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: E 3 FT
AT 5 SECONDS AND S 1 FOOT AT 9 SECONDS, BECOMING E 4 FT AT
5 SECONDS AND S 1 FOOT AT 10 SECONDS. RAIN.
SUN NIGHT
SE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
5 FT AT 5 SECONDS AND SW 2 FT AT 9 SECONDS. RAIN.
MON
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT, BECOMING W
IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS AND SW 2 FT AT 5 SECONDS. SHOWERS LIKELY, MAINLY IN THE
MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 6 SECONDS AND SE 1 FOOT AT 4 SECONDS.
WED THROUGH THU NIGHT
N 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.
ANZ233-241200-
VINEYARD SOUND-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 25 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND E 1 FOOT AT
2 SECONDS. A SLIGHT CHANCE OF RAIN THIS EVENING, THEN A CHANCE OF
RAIN AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SE
4 FT AT 6 SECONDS AND E 2 FT AT 3 SECONDS, BECOMING SE 5 FT AT
8 SECONDS AND E 2 FT AT 4 SECONDS. RAIN.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND S 3 FT AT
9 SECONDS. RAIN.
MON
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
7 SECONDS AND SE 4 FT AT 8 SECONDS. SHOWERS LIKELY, MAINLY IN THE
MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
WED THROUGH THU NIGHT
N 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.
ANZ234-241200-
BUZZARDS BAY-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
SUN
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E 2 FT 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 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND E 2 FT AT 4 SECONDS. RAIN.
MON
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
6 SECONDS AND W 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
WED THROUGH THU NIGHT
N 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.
ANZ235-241200-
RHODE ISLAND SOUND-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING
TO 15 TO 20 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 2 FT AT 3 SECONDS.
A SLIGHT CHANCE OF RAIN THIS EVENING, THEN RAIN LIKELY AFTER
MIDNIGHT.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: SE
6 FT AT 8 SECONDS AND E 3 FT AT 3 SECONDS, BECOMING SE 8 FT AT
9 SECONDS AND NE 2 FT AT 4 SECONDS. RAIN.
SUN NIGHT
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
SE 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 6 TO
9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: SE 8 FT
AT 9 SECONDS AND NE 2 FT AT 5 SECONDS, BECOMING SE 7 FT AT
9 SECONDS AND E 2 FT AT 4 SECONDS. RAIN.
MON
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT
AT 9 SECONDS AND SW 4 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND S 3 FT AT 9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
WED THROUGH THU NIGHT
N 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.
ANZ237-241200-
BLOCK ISLAND SOUND-
705 PM EDT SAT MAY 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SUNDAY THROUGH
LATE SUNDAY NIGHT...
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING
TO 15 TO 20 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 3 FT AT 4 SECONDS.
A CHANCE OF RAIN THIS EVENING, THEN RAIN AFTER MIDNIGHT.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: SE
6 FT AT 8 SECONDS AND E 3 FT AT 4 SECONDS, BECOMING SE 7 FT AT
9 SECONDS AND E 3 FT AT 5 SECONDS. RAIN.
SUN NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
SE 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT. WAVE DETAIL: SE
7 FT AT 9 SECONDS AND S 4 FT AT 10 SECONDS. RAIN IN THE EVENING.
A CHANCE OF RAIN WITH AREAS OF DRIZZLE AFTER MIDNIGHT. AREAS OF
FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
MON
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT
AT 9 SECONDS AND S 3 FT AT 10 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
5 FT AT 9 SECONDS AND S 2 FT AT 8 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NE 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.
ANZ230-241200-
BOSTON HARBOR-
705 PM EDT SAT MAY 23 2026
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
RAIN AFTER MIDNIGHT.
SUN
SE WINDS 5 TO 10 KT, BECOMING E 15 TO 20 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT. RAIN.
SUN NIGHT
E WINDS 15 TO 20 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. RAIN.
MON
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED AND WED NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
N 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.
ANZ236-241200-
NARRAGANSETT BAY-
705 PM EDT SAT MAY 23 2026
TONIGHT
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 SLIGHT CHANCE OF
RAIN THIS EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SUN
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 3 TO 5 FT. RAIN.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 3 TO 5 FT. RAIN
IN THE EVENING. RAIN LIKELY WITH AREAS OF DRIZZLE AFTER MIDNIGHT.
AREAS OF FOG 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 AROUND 5 KT. WAVES 2 TO 3 FT.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ280-241200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
705 PM EDT SAT MAY 23 2026
TONIGHT
SE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 9 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 6 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, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: E
6 FT AT 6 SECONDS AND S 2 FT AT 9 SECONDS, BECOMING SE 8 FT AT
9 SECONDS AND E 3 FT AT 5 SECONDS. RAIN.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND E
2 FT AT 6 SECONDS, BECOMING SE 7 FT AT 9 SECONDS AND NW 1 FOOT AT
2 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
6 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SW 2 FT AT
4 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING S. GUSTS UP
TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
THU AND THU NIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT WITH GUSTS UP 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.
ANZ281-241200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
705 PM EDT SAT MAY 23 2026
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
SUN
E WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE AFTERNOON.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 7 SECONDS AND E 2 FT AT
3 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, BUILDING TO 8 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: SE
9 FT AT 9 SECONDS AND E 3 FT AT 7 SECONDS, BECOMING SE 10 FT AT
9 SECONDS AND E 2 FT AT 8 SECONDS. RAIN.
MON
S WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: SE 9 FT AT 9 SECONDS AND SW
1 FOOT AT 3 SECONDS, BECOMING SE 7 FT AT 8 SECONDS AND W 1 FOOT
AT 3 SECONDS. SHOWERS, MAINLY IN THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 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.
ANZ282-241200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
705 PM EDT SAT MAY 23 2026
TONIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND N
1 FOOT AT 4 SECONDS, BECOMING SE 6 FT AT 9 SECONDS AND NE 1 FOOT
AT 4 SECONDS. A SLIGHT CHANCE OF RAIN THIS EVENING, THEN A CHANCE
OF RAIN AFTER MIDNIGHT.
SUN
E WINDS 20 TO 25 KT WITH 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 9 SECONDS AND E 2 FT AT 3 SECONDS, BECOMING SE 10 FT AT
9 SECONDS AND S 3 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 9 TO 11 FT, SUBSIDING TO 7 TO
9 FT AFTER MIDNIGHT. WAVE DETAIL: SE 11 FT AT 9 SECONDS AND E
3 FT AT 6 SECONDS, BECOMING SE 9 FT AT 9 SECONDS AND NE 2 FT AT
8 SECONDS. RAIN.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 6 TO
8 FT, SUBSIDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SE
8 FT AT 9 SECONDS AND S 3 FT AT 6 SECONDS, BECOMING SE 6 FT AT
8 SECONDS AND SW 2 FT AT 7 SECONDS. SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
WED THROUGH THU
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 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.
ANZ283-241200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
705 PM EDT SAT MAY 23 2026
TONIGHT
E WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 35 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
8 FT AFTER MIDNIGHT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND NE
1 FOOT AT 4 SECONDS, BECOMING SE 7 FT AT 9 SECONDS AND E 4 FT AT
4 SECONDS. A CHANCE OF RAIN THIS EVENING, THEN RAIN AFTER
MIDNIGHT.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT, BUILDING TO 9 TO 12 FT IN THE AFTERNOON. WAVE DETAIL: SE
9 FT AT 9 SECONDS AND E 6 FT AT 6 SECONDS, BECOMING SE 11 FT AT
9 SECONDS AND NE 3 FT AT 6 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 8 TO 11 FT, SUBSIDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 11 FT AT 9 SECONDS AND E 4 FT AT 6 SECONDS, BECOMING
SE 9 FT AT 9 SECONDS AND E 4 FT AT 7 SECONDS. RAIN.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 9 SECONDS AND SW 6 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NE 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.
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