666
FZUS51 KBOX 260504
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EDT TUE MAY 26 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-261800-
103 AM EDT TUE MAY 26 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.
ANZ250-261800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 AM EDT TUE MAY 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM.
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.
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 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 2 FT AT
7 SECONDS. A CHANCE OF 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.
ANZ251-261800-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW 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.
TUE
W WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
8 SECONDS AND W 1 FOOT AT 2 SECONDS.
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. A CHANCE OF SHOWERS IN
THE AFTERNOON.
WED NIGHT
W 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.
ANZ231-261800-
CAPE COD BAY-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 6 SECONDS.
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.
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. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 3 SECONDS
AND E 1 FOOT AT 6 SECONDS, BECOMING NW 1 FOOT AT 3 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. 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.
ANZ254-261800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 AM EDT TUE MAY 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND W 2 FT AT 3 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TUE
NW 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.
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.
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 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.
ANZ255-261800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 AM EDT TUE MAY 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY
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 SW 2 FT AT
7 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS.
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.
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.
ANZ256-261800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 AM EDT TUE MAY 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG.
VSBY 1 TO 3 NM.
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.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
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.
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.
ANZ232-261800-
NANTUCKET SOUND-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND W 1 FOOT AT 6 SECONDS. PATCHY
FOG.
TUE
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED
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 E 1 FOOT AT
7 SECONDS.
WED NIGHT
SW 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.
ANZ233-261800-
VINEYARD SOUND-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 6 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND SE 2 FT AT
7 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT 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 3 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS.
WED NIGHT
SW 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.
ANZ234-261800-
BUZZARDS BAY-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS.
TUE
N WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS.
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.
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.
WED NIGHT
SW 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.
ANZ235-261800-
RHODE ISLAND SOUND-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW 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. PATCHY FOG.
VSBY 1 TO 3 NM.
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.
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.
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.
WED NIGHT
SW 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.
ANZ237-261800-
BLOCK ISLAND SOUND-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT 8 SECONDS. PATCHY FOG.
VSBY 1 TO 3 NM.
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.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND SW 2 FT 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 3 FT AT 6 SECONDS AND SE 2 FT AT
7 SECONDS.
WED NIGHT
SW 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.
ANZ230-261800-
BOSTON HARBOR-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TUE
W 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
SW WINDS 5 TO 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, 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.
ANZ236-261800-
NARRAGANSETT BAY-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. WAVES 2 TO 3 FT.
TUE
N WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. 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
SW 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.
ANZ280-261800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
TUE
W WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT
7 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 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. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 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.
ANZ281-261800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND SW 3 FT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
TUE
NW 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.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
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.
ANZ282-261800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND SW 3 FT AT 7 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
SW 3 FT AT 7 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS.
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.
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.
ANZ283-261800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 AM EDT TUE MAY 26 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 5 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT 7 SECONDS. PATCHY 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 3 FT AT
7 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
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.
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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