480
FZUS51 KBOX 252004
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
403 PM EDT MON MAY 25 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-260900-
403 PM EDT MON MAY 25 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES LIFTS INTO CANADIAN MARITIMES TONIGHT. WEAK HIGH PRES
FOLLOWS TUE, THEN A COLD FRONT WILL DROP SOUTH INTO THE REGION FROM
THE N WED AFTERNOON/EVENING. ANOTHER COLD FRONT AND ASSOCIATED LOW
PRES WILL CROSS THE WATERS LATER FRI INTO SAT.
ANZ250-260900-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
404 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS AFTER MIDNIGHT.
TUE
W WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 3 FT AT
8 SECONDS.
WED
SW WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. SCATTERED SHOWERS IN THE AFTERNOON.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 6 SECONDS AND NE 2 FT AT 6 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT AND SAT
SE WINDS 10 TO 15 KT, BECOMING E WITH GUSTS
UP TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 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.
ANZ251-260900-
MASSACHUSETTS BAY AND IPSWICH BAY-
404 PM EDT MON MAY 25 2026
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. AREAS OF FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
TUE
W WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND W
1 FOOT AT 2 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND S 2 FT AT 3 SECONDS.
WED
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. SCATTERED SHOWERS IN
THE AFTERNOON.
WED NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
7 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
2 FT AT 3 SECONDS AND NE 2 FT AT 6 SECONDS. SCATTERED SHOWERS IN
THE AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
FRI THROUGH SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 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.
ANZ231-260900-
CAPE COD BAY-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
5 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
NW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 6 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND E 1 FOOT AT 6 SECONDS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 6 SECONDS. SCATTERED SHOWERS IN THE AFTERNOON.
WED NIGHT
W WINDS 10 TO 15 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 E 1 FOOT AT 6 SECONDS,
BECOMING NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS.
SCATTERED SHOWERS IN THE EVENING.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 7 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
FRI NIGHT THROUGH SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. 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.
ANZ254-260900-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
404 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND W
2 FT AT 3 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 2 FT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 3 FT AT
7 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS.
AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
6 SECONDS AND SE 2 FT AT 7 SECONDS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS AND NE 2 FT AT
9 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT AND SAT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 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.
ANZ255-260900-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
404 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND
SE 5 FT AT 8 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 2 FT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND E 3 FT AT 7 SECONDS.
THU AND THU NIGHT
N 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 NE 2 FT AT
4 SECONDS.
FRI
NW WINDS AROUND 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT AND SAT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 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.
ANZ256-260900-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
404 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND
SW 4 FT AT 9 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE DETAIL:
S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. AREAS OF FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 7 SECONDS. SCATTERED SHOWERS IN THE
AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT AND SAT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 15 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.
ANZ232-260900-
NANTUCKET SOUND-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E
2 FT AT 7 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 3 SECONDS AND NW 2 FT AT 6 SECONDS.
FRI
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. 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.
ANZ233-260900-
VINEYARD SOUND-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS. AREAS
OF FOG. VSBY 1 NM OR LESS.
TUE
N WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND
SE 2 FT AT 7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 7 SECONDS AND NE 1 FOOT AT 7 SECONDS. SCATTERED SHOWERS IN THE
AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. 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.
ANZ234-260900-
BUZZARDS BAY-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
TUE
NE WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. AREAS OF FOG
AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 6 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 6 SECONDS AND NE 1 FOOT AT 7 SECONDS. SCATTERED SHOWERS
IN THE AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. 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.
ANZ235-260900-
RHODE ISLAND SOUND-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S
4 FT AT 9 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
S 2 FT AT 7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. AREAS OF FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS.
THU
N WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 7 SECONDS AND NE 1 FOOT AT 7 SECONDS. SCATTERED SHOWERS IN THE
AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. 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.
ANZ237-260900-
BLOCK ISLAND SOUND-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 2 FT AT
8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS AFTER MIDNIGHT.
TUE
NE WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND SW 2 FT AT 7 SECONDS. AREAS OF FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 2 FT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND SE 2 FT AT 7 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
7 SECONDS AND E 1 FOOT AT 7 SECONDS. SCATTERED SHOWERS IN THE
AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT AND SAT
S WINDS AROUND 10 KT, BECOMING SW WITH GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT 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.
ANZ230-260900-
BOSTON HARBOR-
404 PM EDT MON MAY 25 2026
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. AREAS OF
FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
TUE
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. SCATTERED SHOWERS IN THE AFTERNOON.
WED NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
THU
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. SCATTERED SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI THROUGH SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 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.
ANZ236-260900-
NARRAGANSETT BAY-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
2 TO 3 FT. AREAS OF FOG. VSBY 1 NM OR LESS AFTER MIDNIGHT.
TUE
N WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. WAVES AROUND 2 FT. AREAS OF FOG IN THE MORNING WITH
VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. WAVES AROUND 2 FT.
WED
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT.
THU
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SCATTERED SHOWERS
IN THE AFTERNOON.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SCATTERED
SHOWERS IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. WAVES 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.
ANZ280-260900-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
5 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND SW 1 FOOT AT
2 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS AFTER MIDNIGHT.
TUE
W WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS.
AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
5 SECONDS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 3 FT AT
7 SECONDS.
WED NIGHT THROUGH THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE
2 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 6 SECONDS AND S 2 FT AT 8 SECONDS.
FRI NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 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.
ANZ281-260900-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND
SW 3 FT AT 4 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 4 FT AT
7 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. AREAS OF FOG. VSBY
1 NM OR LESS.
WED
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT
AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 3 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 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.
ANZ282-260900-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
404 PM EDT MON MAY 25 2026
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND
SW 3 FT AT 7 SECONDS. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS.
VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 3 FT AT
7 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
S 3 FT AT 7 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. AREAS OF FOG
IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT
8 SECONDS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NW 4 FT AT 7 SECONDS AND NE 3 FT AT 8 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
SE WINDS 10 TO 15 KT, BECOMING N. GUSTS UP
TO 20 KT. SEAS 4 TO 6 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.
ANZ283-260900-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
404 PM EDT MON MAY 25 2026
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND
SW 3 FT AT 7 SECONDS. AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS.
VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND
SE 3 FT AT 8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM, DECREASING TO
1 NM OR LESS AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
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 8 SECONDS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 3 FT AT 7 SECONDS AND NE 2 FT AT 7 SECONDS.
FRI
NW WINDS AROUND 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
SW WINDS 15 TO 20 KT, BECOMING N. SEAS 4 TO
6 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.
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