463
FZUS51 KBOX 070505
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 AM EDT FRI AUG 7 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-071800-
105 AM EDT FRI AUG 7 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRESSURE REMAINS IN PLACE OVER THE WESTERN ATLANTIC THROUGH THE
WEEKEND LEADING TO PROLONGED SOUTHWEST WINDS ACROSS THE COASTAL
WATERS. HIGH PRESSURE BREAKS DOWN BY EARLY NEXT WEEK.
ANZ250-071800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT.
TUE
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
TUE 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.
ANZ251-071800-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
W WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 2 SECONDS,
BECOMING S 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS. A
CHANCE OF SHOWERS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT, THEN
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.
ANZ231-071800-
CAPE COD BAY-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM.
FRI
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 5 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
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: SW
3 FT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
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 9 SECONDS.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE
1 FOOT AT 7 SECONDS, BECOMING NW 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 6 SECONDS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 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.
ANZ254-071800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND W
1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
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 1 FOOT
AT 8 SECONDS.
SUN 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 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
W 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.
ANZ255-071800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND
SE 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: W 4 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN 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: W 4 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
W 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.
ANZ256-071800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND W 2 FT AT
3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 2 FT AT 3 SECONDS. PATCHY FOG. VSBY 1 NM
OR LESS.
SAT
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 AND NW 2 FT AT 3 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: W 4 FT AT 5 SECONDS AND S 4 FT AT 8 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
4 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ232-071800-
NANTUCKET SOUND-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND S 2 FT AT 6 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND S 1 FOOT
AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 9 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
SAT
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 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
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 SE 1 FOOT
AT 9 SECONDS.
SUN 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: W 2 FT
AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
TUE 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.
ANZ233-071800-
VINEYARD SOUND-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH 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 8 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
SAT
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 6 SECONDS AND W 2 FT AT 3 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
SUN 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 W 2 FT AT 3 SECONDS.
MON THROUGH TUE
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
TUE 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.
ANZ234-071800-
BUZZARDS BAY-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM.
FRI
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: SW
2 FT AT 3 SECONDS AND SW 2 FT AT 6 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 9 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
SAT
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 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 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 8 SECONDS.
SUN 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
2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
TUE 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.
ANZ235-071800-
RHODE ISLAND SOUND-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
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 6 SECONDS AND SW 2 FT AT
3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND W
2 FT AT 3 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SAT
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
4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND W 2 FT AT 3 SECONDS.
SUN 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
4 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON THROUGH TUE
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
TUE NIGHT
W 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.
ANZ237-071800-
BLOCK ISLAND SOUND-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND
W 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS
AND W 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY
1 TO 3 NM.
SAT
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: S 3 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS.
SUN 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: SE
3 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
TUE 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.
ANZ230-071800-
BOSTON HARBOR-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
PATCHY FOG.
FRI
W WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. PATCHY FOG IN THE MORNING.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS IN THE
AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS IN THE EVENING.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS. A CHANCE OF SHOWERS.
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.
ANZ236-071800-
NARRAGANSETT BAY-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY
FOG. VSBY 1 TO 3 NM.
FRI
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SAT
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.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON AND MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT. WAVES AROUND 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 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.
ANZ280-071800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
EVENING WITH VSBY 1 TO 3 NM.
SAT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
SAT NIGHT AND SUN
SW 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 SE 2 FT AT
8 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT.
TUE AND TUE 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.
ANZ281-071800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
SAT
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 SE 1 FOOT AT
8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 10 TO 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 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND W 1 FOOT AT 4 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ282-071800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 1 FOOT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING
TO 1 TO 3 NM AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND E
1 FOOT AT 9 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 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.
ANZ283-071800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
105 AM EDT FRI AUG 7 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND S 4 FT AT
10 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT
5 SECONDS AND E 1 FOOT AT 9 SECONDS.
MON THROUGH TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 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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