081
FZUS51 KBOX 082303
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT WED JUL 8 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-091200-
703 PM EDT WED JUL 8 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES POSITIONS WELL OFFSHORE TODAY WITH WINDS OUT OF THE
NORTH/NORTHEAST. WINDS REMAIN ELEVATED JUST OFFSHORE OF THE CAPE AND
ISLANDS. SEAS FALLING TO 2-4 FEET OVERNIGHT WITH WINDS SHIFTING TO
THE SOUTHWEST FOR THURSDAY. COLD FRONT MOVES THROUGH FRIDAY SHIFTING
WINDS TO THE NORTHWEST WITH A FEW SHOWERS OR THUNDERSTORMS POSSIBLE.
ANZ250-091200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT WED JUL 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND NW 1 FOOT AT
4 SECONDS.
THU
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
8 SECONDS AND SW 2 FT AT 3 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 3 FT AT
9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 3 SECONDS AND NE 2 FT AT 8 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-091200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT WED JUL 8 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND N 2 FT AT
4 SECONDS.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 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 5 SECONDS.
THU NIGHT
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.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND E 2 FT AT 9 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS IN THE AFTERNOON.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND S 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
SAT AND SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 2 FT AT 3 SECONDS AND NE 2 FT AT 8 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
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.
ANZ231-091200-
CAPE COD BAY-
703 PM EDT WED JUL 8 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 8 SECONDS.
SUN THROUGH MON NIGHT
SW 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.
ANZ254-091200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT WED JUL 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 8 SECONDS AND W
1 FOOT AT 6 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND SW 3 FT AT 4 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND NW 1 FOOT AT 3 SECONDS.
SUN THROUGH MON NIGHT
SW 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.
ANZ255-091200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT WED JUL 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT
AT 8 SECONDS AND SW 3 FT AT 6 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM AFTER MIDNIGHT.
FRI
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: W 3 FT AT 7 SECONDS AND S 3 FT AT 7 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 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.
ANZ256-091200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT WED JUL 8 2026
TONIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 3 FT AT 8 SECONDS.
THU
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 E 3 FT AT 8 SECONDS.
PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
2 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM AFTER MIDNIGHT.
FRI
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND S
3 FT AT 9 SECONDS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND NW 2 FT AT 7 SECONDS.
SUN THROUGH MON NIGHT
SW 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.
ANZ232-091200-
NANTUCKET SOUND-
703 PM EDT WED JUL 8 2026
TONIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 2 FT AT 7 SECONDS.
THU
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS
AND E 1 FOOT AT 9 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE
MORNING.
FRI NIGHT THROUGH SAT NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND NE 2 FT AT 6 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND NE
2 FT AT 5 SECONDS.
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.
ANZ233-091200-
VINEYARD SOUND-
703 PM EDT WED JUL 8 2026
TONIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
E 1 FOOT AT 6 SECONDS.
THU
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS
AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS.
SAT AND SAT 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.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-091200-
BUZZARDS BAY-
703 PM EDT WED JUL 8 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND E
1 FOOT AT 5 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
THU
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 2 FT, BUILDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
THU NIGHT
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 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM.
FRI
SW WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 11 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN
THE AFTERNOON.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
11 SECONDS.
SAT AND SAT 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.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-091200-
RHODE ISLAND SOUND-
703 PM EDT WED JUL 8 2026
TONIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
THU
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG IN THE
AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS
AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
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 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 9 SECONDS AND SW 2 FT AT
6 SECONDS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND NW 1 FOOT AT 7 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-091200-
BLOCK ISLAND SOUND-
703 PM EDT WED JUL 8 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
THU
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 5 SECONDS AND SE 2 FT AT
8 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W 2 FT AT
6 SECONDS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND W 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
SW 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.
ANZ230-091200-
BOSTON HARBOR-
703 PM EDT WED JUL 8 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON.
THU NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. WAVES AROUND 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS IN THE AFTERNOON.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS IN THE EVENING.
SAT AND SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES AROUND 2 FT.
WINDS AND WAVES 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.
ANZ236-091200-
NARRAGANSETT BAY-
703 PM EDT WED JUL 8 2026
TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. PATCHY
FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN THROUGH MON NIGHT
SW 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.
ANZ280-091200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT WED JUL 8 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
4 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND NW 1 FOOT AT
4 SECONDS.
THU
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND SW 2 FT AT
5 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: W
3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND E 2 FT AT
9 SECONDS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND NW 2 FT AT 5 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-091200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT WED JUL 8 2026
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
W 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT AT 8 SECONDS AND SW
1 FOOT AT 7 SECONDS, BECOMING E 5 FT AT 8 SECONDS AND S 1 FOOT AT
7 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND SW 3 FT AT 5 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 2 FT AT
9 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND E 3 FT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND NW 2 FT AT 6 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-091200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT WED JUL 8 2026
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 8 SECONDS AND
SW 2 FT AT 6 SECONDS.
THU
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 4 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS AND W 3 FT AT
5 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
3 FT AT 8 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND SW 3 FT AT 7 SECONDS.
SUN THROUGH MON NIGHT
S WINDS 5 TO 10 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.
ANZ283-091200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT WED JUL 8 2026
TONIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS AND SW 2 FT AT 6 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
3 FT AT 8 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS AFTER
MIDNIGHT. VSBY 1 TO 3 NM.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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