949
FZUS51 KBOX 301105
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
704 AM EDT TUE JUN 30 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-010000-
704 AM EDT TUE JUN 30 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A BERMUDA HIGH WILL RESULT IN PERSISTENT SW FLOW OF AIR ACROSS THE
WATERS FOR THE REMAINDER OF THE WORK WEEK ALONG WITH INCREASING
HUMIDITY. LONG SW FETCH WILL RESULT IN A PERIOD OF 3 TO 6 FOOT SEAS
ACROSS THE SOUTHERN WATERS WED INTO THU. A COLD FRONT WILL CROSS THE
WATERS SOMETIME LATER SAT OR SAT NIGHT.
ANZ250-010000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 AM EDT TUE JUN 30 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 3 FT
AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG THIS MORNING
WITH VSBY 1 NM OR LESS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED 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 10 SECONDS.
THU AND THU 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 SE 1 FOOT
AT 10 SECONDS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 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.
ANZ251-010000-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 AM EDT TUE JUN 30 2026
TODAY
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
THIS AFTERNOON. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 4 SECONDS, BECOMING SE 2 FT AT 4 SECONDS AND W 1 FOOT AT
3 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
S WINDS 10 TO 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. A CHANCE OF SHOWERS.
WED
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 SE 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED 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 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
THU AND THU NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 4 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
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.
ANZ231-010000-
CAPE COD BAY-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
THIS AFTERNOON. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 8 SECONDS, BECOMING S 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT
3 SECONDS. PATCHY DENSE FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 15 TO 20 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
4 SECONDS. A CHANCE OF SHOWERS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED 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 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 5 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. 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.
ANZ254-010000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
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 SE 2 FT AT 10 SECONDS. PATCHY DENSE FOG THIS
MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING SW 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 SE 2 FT AT 10 SECONDS. PATCHY FOG AFTER
MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
WED
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. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU AND THU NIGHT
SW WINDS 15 TO 20 KT WITH 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.
FRI THROUGH SAT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND W 1 FOOT AT
3 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 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.
ANZ255-010000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
TODAY
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND
SE 2 FT AT 10 SECONDS. PATCHY DENSE FOG THIS MORNING. PATCHY FOG
THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND E 1 FOOT AT 4 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND SE 1 FOOT AT
3 SECONDS.
FRI THROUGH SAT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT NIGHT
W WINDS 10 TO 15 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.
ANZ256-010000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND
SE 2 FT AT 10 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM OR
LESS.
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND
SE 2 FT AT 10 SECONDS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND S 3 FT AT 4 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
3 SECONDS.
FRI THROUGH SAT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT NIGHT
W 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.
ANZ232-010000-
NANTUCKET SOUND-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
THIS AFTERNOON. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 6 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
3 SECONDS. PATCHY DENSE FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 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 3 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
FRI THROUGH SAT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 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.
ANZ233-010000-
VINEYARD SOUND-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT THIS AFTERNOON. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT THIS AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS
AND NE 1 FOOT AT 4 SECONDS, BECOMING SW 2 FT AT 4 SECONDS AND S
1 FOOT AT 10 SECONDS. PATCHY DENSE FOG THIS MORNING WITH VSBY
1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND E 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND W 2 FT AT
4 SECONDS.
FRI THROUGH SAT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 5 SECONDS AND W 1 FOOT AT 2 SECONDS.
SAT NIGHT
W WINDS 10 TO 15 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.
ANZ234-010000-
BUZZARDS BAY-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
THIS AFTERNOON. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 4 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND NE 1 FOOT AT
3 SECONDS. PATCHY DENSE FOG THIS MORNING WITH VSBY 1 NM OR LESS.
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 E 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED 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 4 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND W 2 FT AT
4 SECONDS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT AND SAT NIGHT
W WINDS 10 TO 15 KT. 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.
ANZ235-010000-
RHODE ISLAND SOUND-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
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 4 SECONDS. PATCHY DENSE FOG THIS
MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND E 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU
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 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 1 FOOT AT
3 SECONDS.
FRI THROUGH SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
W WINDS 10 TO 15 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.
ANZ237-010000-
BLOCK ISLAND SOUND-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
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 2 FT
AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG THIS MORNING
WITH VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND W 2 FT AT
3 SECONDS.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND S 2 FT AT
6 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 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.
ANZ230-010000-
BOSTON HARBOR-
704 AM EDT TUE JUN 30 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT THIS
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT THIS AFTERNOON.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
THU AND THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
SAT AND SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
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.
ANZ236-010000-
NARRAGANSETT BAY-
704 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS AFTERNOON.
WAVES 1 FOOT OR LESS, THEN AROUND 2 FT THIS AFTERNOON. PATCHY
DENSE FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
WED NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SAT AND SAT NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 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.
ANZ280-010000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
704 AM EDT TUE JUN 30 2026
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 SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
TONIGHT
S 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 SE 2 FT AT
10 SECONDS. A CHANCE OF SHOWERS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU AND THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 5 SECONDS AND W 1 FOOT AT 3 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 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.
ANZ281-010000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
704 AM EDT TUE JUN 30 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 6 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY DENSE FOG THIS
MORNING, THEN PATCHY FOG THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT
AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
3 SECONDS.
FRI THROUGH SAT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 5 TO 10 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.
ANZ282-010000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
704 AM EDT TUE JUN 30 2026
TODAY
SE WINDS 5 TO 10 KT, BECOMING S THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 10 SECONDS AND NE 1 FOOT AT
3 SECONDS. PATCHY DENSE FOG THIS MORNING, THEN PATCHY FOG THIS
AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: W 6 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: W 6 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
3 SECONDS.
FRI THROUGH SAT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 5 TO 10 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.
ANZ283-010000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
704 AM EDT TUE JUN 30 2026
TODAY
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND
SE 2 FT AT 10 SECONDS.
WED
SW 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 2 FT AT
10 SECONDS.
WED NIGHT
SW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: W 6 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND S 3 FT AT 4 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 1 FOOT AT
3 SECONDS.
FRI THROUGH SAT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 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.
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