275
FZUS51 KBOX 122305
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
704 PM EDT SUN JUL 12 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-131200-
704 PM EDT SUN JUL 12 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRESSURE SETTLES OVER NEW ENGLAND MONDAY, THEN BECOMES
NEARLY STATIONARY OFFSHORE FOR TUESDAY AND WEDNESDAY. LOW PRESSURE
PASSING WELL TO THE NORTH ON TUESDAY WILL RESULT IN STRONGER WINDS
AND POTENTIAL SMALL CRAFT ADVISORY CONDITIONS.
ANZ250-131200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS.
MON
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 1 FOOT AT 3 SECONDS.
TUE NIGHT AND WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 3 SECONDS AND NW 1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 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.
ANZ251-131200-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 3 SECONDS.
MON
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 3 SECONDS, BECOMING S 2 FT AT 4 SECONDS AND E 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
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
2 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
TUE NIGHT THROUGH WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E
1 FOOT AT 9 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 3 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.
ANZ231-131200-
CAPE COD BAY-
704 PM EDT SUN JUL 12 2026
TONIGHT
SE WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 6 SECONDS.
MON
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND N 1 FOOT
AT 4 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
3 SECONDS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE NIGHT THROUGH WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
1 FOOT AT 9 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 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.
ANZ254-131200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
704 PM EDT SUN JUL 12 2026
TONIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
7 SECONDS.
MON
S 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: S 2 FT
AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
3 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND E 1 FOOT AT 3 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND
SE 1 FOOT AT 9 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
THU THROUGH FRI 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.
ANZ255-131200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 PM EDT SUN JUL 12 2026
TONIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND N 2 FT AT
7 SECONDS.
MON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND S 2 FT AT 6 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT AND WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT
7 SECONDS AND NW 1 FOOT AT 4 SECONDS, BECOMING SW 4 FT AT
6 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ256-131200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 PM EDT SUN JUL 12 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 6 SECONDS AND S 2 FT AT
7 SECONDS.
MON
S 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: S 2 FT
AT 6 SECONDS AND SW 1 FOOT AT 2 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND NW
1 FOOT AT 4 SECONDS, BECOMING SW 4 FT AT 6 SECONDS AND NW 1 FOOT
AT 4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ232-131200-
NANTUCKET SOUND-
704 PM EDT SUN JUL 12 2026
TONIGHT
E WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND NW 1 FOOT
AT 6 SECONDS.
MON
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S
1 FOOT AT 7 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 3 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND E 1 FOOT AT 3 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
TUE NIGHT AND WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: NW 2 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 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.
ANZ233-131200-
VINEYARD SOUND-
704 PM EDT SUN JUL 12 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 7 SECONDS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 3 SECONDS, BECOMING SW 3 FT AT 3 SECONDS AND E 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT.
THU THROUGH FRI NIGHT
W 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.
ANZ234-131200-
BUZZARDS BAY-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND N 1 FOOT
AT 6 SECONDS.
MON
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 E 1 FOOT AT 3 SECONDS.
MON NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 35 KT IN THE AFTERNOON. SEAS 2 TO
3 FT, BUILDING TO 3 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING SW 5 FT AT
5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 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 4 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND NW 2 FT AT 4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ235-131200-
RHODE ISLAND SOUND-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT
2 SECONDS.
MON
S 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: SW
3 FT AT 4 SECONDS AND E 1 FOOT AT 3 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND E 2 FT AT 4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TUE NIGHT AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND NW
2 FT AT 4 SECONDS, BECOMING W 3 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ237-131200-
BLOCK ISLAND SOUND-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND S 2 FT AT
7 SECONDS.
MON
S 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: SE
2 FT AT 5 SECONDS AND SW 1 FOOT AT 2 SECONDS.
MON NIGHT
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 2 FT AT
5 SECONDS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 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 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ230-131200-
BOSTON HARBOR-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
TUE NIGHT THROUGH WED NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. WAVES AROUND 2 FT.
THU THROUGH FRI NIGHT
W WINDS 5 TO 10 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.
ANZ236-131200-
NARRAGANSETT BAY-
704 PM EDT SUN JUL 12 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MON
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 2 TO
3 FT.
TUE NIGHT THROUGH WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP
TO 30 KT. WAVES 2 TO 4 FT.
THU THROUGH FRI NIGHT
W 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.
ANZ280-131200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
704 PM EDT SUN JUL 12 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
7 SECONDS.
MON
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND E 1 FOOT AT 3 SECONDS.
TUE NIGHT AND WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU THROUGH FRI 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.
ANZ281-131200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
704 PM EDT SUN JUL 12 2026
TONIGHT
NE WINDS AROUND 5 KT, BECOMING SE AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND
N 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
MON
S 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: S 2 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E
1 FOOT AT 3 SECONDS, BECOMING W 6 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TUE NIGHT AND WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU THROUGH FRI 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.
ANZ282-131200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
704 PM EDT SUN JUL 12 2026
TONIGHT
NE WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS.
MON
E WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND N 1 FOOT AT
4 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE NIGHT AND WED
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT
AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT. SEAS 3 TO 5 FT.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ283-131200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
704 PM EDT SUN JUL 12 2026
TONIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 7 SECONDS AND
SE 2 FT AT 8 SECONDS.
MON
SE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND NE 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 9 SECONDS.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE NIGHT AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
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