154
FZUS51 KBOX 261704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT TUE MAY 26 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-270600-
104 PM EDT TUE MAY 26 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
WEAK HIGH PRES MOVES OVERHEAD 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.
ANZ250-270600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 1 FOOT AT
4 SECONDS.
TONIGHT
SW 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: SW 3 FT
AT 4 SECONDS AND SE 3 FT AT 8 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 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
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 SW 1 FOOT AT
3 SECONDS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
SAT
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N 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.
ANZ251-270600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND S 1 FOOT AT
2 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. 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 8 SECONDS.
WED NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 5 SECONDS.
FRI THROUGH SAT NIGHT
N 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.
ANZ231-270600-
CAPE COD BAY-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
6 SECONDS.
TONIGHT
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 7 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS, BECOMING NW
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS.
THU AND THU NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 11 SECONDS.
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.
ANZ254-270600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
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 8 SECONDS.
PATCHY FOG IN THE EVENING WITH VSBY 1 NM OR LESS.
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
W 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. PATCHY FOG IN THE EVENING
WITH VSBY 1 NM OR LESS.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT
7 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 7 SECONDS AND SW 2 FT AT 7 SECONDS.
FRI NIGHT AND SAT
S WINDS 10 TO 15 KT, BECOMING N. GUSTS UP TO
20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N 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.
ANZ255-270600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
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. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
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
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 7 SECONDS. PATCHY FOG IN THE EVENING
WITH VSBY 1 NM OR LESS.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 7 SECONDS AND N 2 FT AT
4 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND NE 1 FOOT AT 6 SECONDS.
FRI
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT AND SAT
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO
20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 15 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.
ANZ256-270600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS.
TONIGHT
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. PATCHY FOG. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
WED
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 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. PATCHY FOG IN THE EVENING
WITH VSBY 1 NM OR LESS.
THU AND THU NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 7 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI NIGHT AND SAT
SW WINDS 15 TO 20 KT, BECOMING NW. 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.
ANZ232-270600-
NANTUCKET SOUND-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT 6 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 8 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
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. PATCHY FOG IN THE EVENING
WITH VSBY 1 TO 3 NM.
THU
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 5 SECONDS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 5 SECONDS AND W 1 FOOT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
N WINDS 15 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.
ANZ233-270600-
VINEYARD SOUND-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS.
TONIGHT
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 WITH GUSTS UP TO 20 KT. 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 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT 6 SECONDS. PATCHY
FOG IN THE EVENING.
THU
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
N WINDS 15 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.
ANZ234-270600-
BUZZARDS BAY-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS.
TONIGHT
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 WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS.
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: N
1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS
AND SW 1 FOOT AT 7 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND W
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI NIGHT THROUGH SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 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.
ANZ235-270600-
RHODE ISLAND SOUND-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS.
TONIGHT
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
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
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 AND S 1 FOOT AT 14 SECONDS. PATCHY FOG IN THE EVENING
WITH VSBY 1 TO 3 NM.
THU AND THU NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS THROUGH THE
NIGHT.
FRI
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI NIGHT AND SAT
SW WINDS 10 TO 15 KT, BECOMING N 15 TO
20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 15 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.
ANZ237-270600-
BLOCK ISLAND SOUND-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS.
TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 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: S 3 FT AT 7 SECONDS.
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 8 SECONDS.
THU AND THU NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 7 SECONDS AND E 2 FT AT 7 SECONDS. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING NW. 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.
ANZ230-270600-
BOSTON HARBOR-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
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.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
THU NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
FRI NIGHT
S WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS. SHOWERS
LIKELY.
SAT AND 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.
ANZ236-270600-
NARRAGANSETT BAY-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
SW WINDS AROUND 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
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT.
THU AND THU NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A
CHANCE OF SHOWERS THROUGH THE NIGHT.
FRI
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT AND SAT
SW WINDS AROUND 10 KT, BECOMING N WITH GUSTS
UP TO 20 KT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS.
SAT 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.
ANZ280-270600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
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
7 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
8 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 6 SECONDS AND S 2 FT AT 8 SECONDS.
FRI NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. A CHANCE OF SHOWERS.
SAT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 15 TO 20 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.
ANZ281-270600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT 7 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
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 AND SE 3 FT AT 8 SECONDS.
PATCHY FOG. VSBY 1 NM OR LESS.
WED
SW WINDS AROUND 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: SW 4 FT
AT 7 SECONDS AND SE 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE
EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 NM OR LESS IN
THE EVENING.
THU
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
NW WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: N 3 FT AT 6 SECONDS AND NE 2 FT AT 9 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 3 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ282-270600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS AROUND 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE
3 FT AT 8 SECONDS. PATCHY 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 3 FT AT 7 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE
2 FT AT 8 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS
AFTER MIDNIGHT. VSBY 1 NM OR LESS IN THE EVENING.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 4 FT AT 6 SECONDS AND NE 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 7 SECONDS AND NE 2 FT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 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.
SAT AND SAT NIGHT
NW 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.
ANZ283-270600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT TUE MAY 26 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
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. PATCHY 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 3 FT AT 7 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG IN THE EVENING
WITH VSBY 1 NM OR LESS.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 3 FT AT 7 SECONDS AND NE 2 FT AT 6 SECONDS.
FRI
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
SAT
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page