905
FZUS51 KBOX 251704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT MON MAY 25 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-260600-
104 PM EDT MON MAY 25 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES LIFTS INTO THE GULF OF MAINE TODAY. WEAK HIGH PRES FOLLOWS
TUE, THEN A COLD FRONT WILL MOVE INTO THE REGION FROM THE N WED
AFTERNOON/EVENING. LOW PRESSURE OVER THE WATERS ON WEDNESDAY INTO
THURSDAY THEN ANOTHER LIKELY CROSSES THE WATERS NEXT WEEKEND.
ANZ250-260600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND SW 1 FOOT AT 2 SECONDS. AREAS OF
FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
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. 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: SE 3 FT AT 8 SECONDS AND S 2 FT AT
3 SECONDS.
WED
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
WED NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 2 FT AT
7 SECONDS.
THU THROUGH FRI
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ251-260600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND S 1 FOOT AT 2 SECONDS. AREAS OF
FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
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 2 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.
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
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
WED NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT, THEN
1 FOOT OR LESS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT, BECOMING SW 10 TO
15 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.
ANZ231-260600-
CAPE COD BAY-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 5 SECONDS. AREAS
OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
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 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 6 SECONDS, BECOMING NW
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
THU THROUGH FRI
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS 5 TO 10 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.
ANZ254-260600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND SW 1 FOOT
AT 6 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND
SW 1 FOOT AT 5 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
N WINDS AROUND 5 KT, BECOMING SW 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.
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 5 SECONDS AND SE 3 FT AT
8 SECONDS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 3 FT AT
7 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
THU THROUGH FRI
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ255-260600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND SW 3 FT AT
4 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND
SW 5 FT AT 12 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:
SW 4 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 4 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 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
THU THROUGH FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ256-260600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 3 FT AT
8 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
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 W
5 FT AT 16 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 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 3 TO 4 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND S 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
W 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 THROUGH FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI NIGHT
SW 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.
ANZ232-260600-
NANTUCKET SOUND-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E
2 FT AT 8 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
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:
SW 2 FT AT 4 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 SE 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
N AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
THU THROUGH FRI
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ233-260600-
VINEYARD SOUND-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
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. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
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 7 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: S 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: S 3 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
N AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
6 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ234-260600-
BUZZARDS BAY-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH 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. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
7 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 8 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 S 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
N 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ235-260600-
RHODE ISLAND SOUND-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 3 FT AT
7 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND
SW 3 FT AT 11 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 2 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 2 TO 3 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 3 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. A CHANCE OF SHOWERS IN THE EVENING.
THU AND THU NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ237-260600-
BLOCK ISLAND SOUND-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
W WINDS AROUND 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 9 SECONDS AND SW 2 FT AT 8 SECONDS. AREAS OF
FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 2 FT AT
9 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
2 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 3 FT. WAVE DETAIL:
SW 3 FT AT 7 SECONDS AND SE 3 FT AT 8 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 7 SECONDS AND SE 2 FT AT
8 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 2 FT AT
7 SECONDS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE
OF SHOWERS.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT
SW WINDS AROUND 10 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.
ANZ230-260600-
BOSTON HARBOR-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
AREAS OF FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
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, THEN AROUND 2 FT IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WED
W WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
THU
N WINDS AROUND 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT, BECOMING SW. WAVES
1 FOOT OR LESS. 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.
ANZ236-260600-
NARRAGANSETT BAY-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
W WINDS AROUND 10 KT. WAVES 2 TO 3 FT. AREAS OF
FOG. A CHANCE OF SHOWERS.
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 AND THU NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A
CHANCE OF SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
SW WINDS AROUND 10 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.
ANZ280-260600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 6 TO 7 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND SW 1 FOOT
AT 5 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 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 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
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
5 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W
3 FT AT 6 SECONDS AND SE 3 FT AT 7 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND NW 2 FT AT 3 SECONDS.
THU THROUGH FRI
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ281-260600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 6 TO 7 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND SW 2 FT AT
9 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
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 2 FT AT 8 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 3 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: SW 4 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS.
WED
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. AREAS OF FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
SW WINDS 10 TO 15 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. A CHANCE OF SHOWERS IN THE EVENING.
THU THROUGH FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ282-260600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 6 TO 7 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND SW 3 FT AT
5 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS. AREAS
OF FOG. 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 4 FT AT 8 SECONDS AND SE 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 4 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 THROUGH FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ283-260600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND S 3 FT AT
7 SECONDS. AREAS OF FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
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 4 FT AT 8 SECONDS. AREAS OF FOG. 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: SE 3 FT AT 8 SECONDS AND
S 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 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 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 9 SECONDS.
THU THROUGH FRI
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
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