FZUS51 KBOX 131105
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
704 AM EDT MON JUL 13 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
  ANZ200-140000-
704 AM EDT MON JUL 13 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.
ANZ250-140000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING ...
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 30 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS. TONIGHT... SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 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... SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. WED... W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
AROUND 5 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
2 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:
NW 1 FOOT AT 3 SECONDS AND S 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.
ANZ251-140000-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 AM EDT MON JUL 13 2026
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND E 1 FOOT AT 3 SECONDS. TONIGHT... SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. 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 WITH 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... SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. 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. WED AND WED NIGHT... W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. THU THROUGH FRI NIGHT... W WINDS 5 TO 10 KT WITH GUSTS UP TO
20 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.
ANZ231-140000-
CAPE COD BAY
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING ...
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT THIS AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
THIS 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. TONIGHT... SW WINDS AROUND 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
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... SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. WED AND WED NIGHT... W 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 1 FOOT
AT 8 SECONDS. THU THROUGH FRI NIGHT... SW WINDS 5 TO 10 KT WITH GUSTS UP TO
20 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.
ANZ254-140000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS. TONIGHT... 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 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. WED NIGHT... W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 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.
ANZ255-140000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND S 2 FT AT 6 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. 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 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING W 6 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
5 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS. WED... W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING W 6 FT AT 7 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. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS. THU THROUGH FRI NIGHT... SW WINDS 15 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.
ANZ256-140000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SW 1 FOOT AT 2 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 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 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING W 6 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS. TUE NIGHT... 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... W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT AT 6 SECONDS AND
SE 1 FOOT AT 9 SECONDS. WED NIGHT... W WINDS 15 TO 20 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND
NW 1 FOOT AT 4 SECONDS. THU THROUGH FRI NIGHT... W 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.
ANZ232-140000-
NANTUCKET SOUND-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS. TONIGHT... SW 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
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... SW 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... W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND SW 3 FT AT 7 SECONDS. WED NIGHT... W WINDS 5 TO 10 KT. SEAS 2 TO 3 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 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.
ANZ233-140000-
VINEYARD SOUND-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 3 SECONDS AND E 1 FOOT AT 3 SECONDS. TONIGHT... SW WINDS 15 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... W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. 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 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: S 4 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS. THU AND THU NIGHT... W WINDS 15 TO 20 KT, BECOMING NW. GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT. FRI AND FRI NIGHT... W WINDS 10 TO 15 KT, BECOMING SW. 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.
ANZ234-140000-
BUZZARDS BAY-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT ...
TODAY... SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS
UP TO 25 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 1 FOOT AT 3 SECONDS. TONIGHT... SW WINDS 15 TO 20 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 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. TUE NIGHT... 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 AND WED NIGHT... W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS. THU AND THU NIGHT... W WINDS 15 TO 20 KT, BECOMING NW. GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND S
2 FT AT 7 SECONDS. FRI AND FRI NIGHT... W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. 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.
ANZ235-140000-
RHODE ISLAND SOUND-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 1 FOOT AT 3 SECONDS. TONIGHT... 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 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
5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. WED... W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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 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: SW 4 FT AT 6 SECONDS AND NW 2 FT AT 4 SECONDS. THU THROUGH FRI NIGHT... W WINDS 15 TO 20 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.
ANZ237-140000-
BLOCK ISLAND SOUND-
704 AM EDT MON JUL 13 2026
... SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING ...
TODAY... SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 5 SECONDS AND SW 1 FOOT AT 2 SECONDS. TONIGHT... 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... SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. WED... W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS AND W 2 FT AT 4 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: 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.
ANZ230-140000-
BOSTON HARBOR-
704 AM EDT MON JUL 13 2026
TODAY... SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT THIS AFTERNOON. TONIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. TUE... SW WINDS AROUND 10 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT IN THE AFTERNOON. WAVES AROUND 2 FT. TUE NIGHT... SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. WED AND WED NIGHT... W WINDS 5 TO 10 KT. WAVES AROUND 2 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.
ANZ236-140000-
NARRAGANSETT BAY-
704 AM EDT MON JUL 13 2026
TODAY... SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. WAVES 2 TO 3 FT. TONIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 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... SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 4 FT. WED AND WED NIGHT... W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. THU THROUGH FRI NIGHT... W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 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.
ANZ280-140000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
704 AM EDT MON JUL 13 2026
TODAY... S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS. TONIGHT... SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
4 SECONDS. TUE... SW WINDS 15 TO 20 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
3 SECONDS. TUE NIGHT... SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. 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... W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 2 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE
2 FT AT 8 SECONDS, BECOMING SW 3 FT AT 6 SECONDS AND SE 2 FT AT
9 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 5 TO 10 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.
ANZ281-140000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
704 AM EDT MON JUL 13 2026
TODAY... S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS. TONIGHT... 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. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS. 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... SW 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... W WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. 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 5 TO 10 KT. SEAS 3 TO 5 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 WITH GUSTS UP 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.
ANZ282-140000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
704 AM EDT MON JUL 13 2026
TODAY... E WINDS AROUND 5 KT, BECOMING S THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND N 1 FOOT AT
4 SECONDS. TONIGHT... 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 2 TO 4 FT, BUILDING TO 4 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE
2 FT AT 9 SECONDS, BECOMING W 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
5 TO 8 FT, BUILDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: W
8 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING W 8 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. GUSTS UP TO 30 KT. SEAS 6 TO 8 FT. WAVE DETAIL: W 8 FT
AT 7 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 4 TO 6 FT. WAVE
DETAIL: SW 6 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS. A CHANCE
OF SHOWERS. THU THROUGH FRI... NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. FRI NIGHT... SW WINDS 5 TO 10 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.
ANZ283-140000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
704 AM EDT MON JUL 13 2026
TODAY... SE WINDS AROUND 5 KT, BECOMING S THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND NE 1 FOOT AT
3 SECONDS. TONIGHT... 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 15 TO 20 KT WITH 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... SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 8 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS. WED... W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: W 8 FT AT 7 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING W 6 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS. WED NIGHT... W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND N
1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS. 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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