060
FZUS51 KBOX 051704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT WED AUG 5 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-060600-
104 PM EDT WED AUG 5 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS TODAY OVER THE WESTERN ATL OCEAN AND LINGERS
THROUGH THE WEEKEND LEADING TO PROLONGED SOUTHWEST WINDS ACROSS THE
COASTAL WATERS.
ANZ250-060600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND S 1 FOOT
AT 3 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 6 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND
SW 1 FOOT AT 3 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 6 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
1 FOOT AT 8 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.
ANZ251-060600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 6 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE
OF SHOWERS IN THE EVENING.
SAT THROUGH SUN NIGHT
W 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.
ANZ231-060600-
CAPE COD BAY-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 10 SECONDS AND SW 1 FOOT AT 2 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND S
1 FOOT AT 6 SECONDS.
THU
SW 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: SW 1 FOOT AT 2 SECONDS AND S
1 FOOT AT 6 SECONDS, BECOMING SW 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 7 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND SE
1 FOOT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND S
1 FOOT AT 5 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-060600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
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 5 SECONDS AND E 1 FOOT AT
9 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
SW 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 THROUGH SUN NIGHT
W 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
2 FT AT 4 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.
ANZ255-060600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
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 W 2 FT AT
3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
1 FOOT AT 9 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO
3 NM.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 1 FOOT AT 9 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.
ANZ256-060600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
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 W 2 FT AT
3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND NW 2 FT AT
4 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND W 2 FT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE
1 FOOT AT 9 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.
ANZ232-060600-
NANTUCKET SOUND-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS.
THU
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 SE 1 FOOT
AT 7 SECONDS.
THU 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 3 SECONDS AND
S 1 FOOT AT 6 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO
3 NM.
FRI AND FRI NIGHT
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 1 FOOT AT
6 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-060600-
VINEYARD SOUND-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 7 SECONDS.
THU
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: S
2 FT AT 5 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E
1 FOOT AT 13 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO
3 NM.
FRI AND FRI NIGHT
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 S 1 FOOT AT
11 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SW
2 FT AT 4 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.
ANZ234-060600-
BUZZARDS BAY-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E
1 FOOT AT 11 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO
3 NM.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
SAT THROUGH SUN NIGHT
W 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 SW
3 FT AT 9 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.
ANZ235-060600-
RHODE ISLAND SOUND-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER
MIDNIGHT.
THU
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 5 SECONDS. PATCHY FOG IN
THE MORNING WITH VSBY 1 TO 3 NM.
THU 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 5 SECONDS AND SE
2 FT AT 9 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
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 S 2 FT AT
9 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND W
2 FT AT 4 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.
ANZ237-060600-
BLOCK ISLAND SOUND-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
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.
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.
ANZ230-060600-
BOSTON HARBOR-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS AND TSTMS IN THE EVENING.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS. A CHANCE OF SHOWERS AND TSTMS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS.
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.
ANZ236-060600-
NARRAGANSETT BAY-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SAT THROUGH SUN 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.
ANZ280-060600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND W
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.
ANZ281-060600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND W 1 FOOT AT
4 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE
1 FOOT AT 9 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.
ANZ282-060600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND SW 1 FOOT AT 2 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
THU
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND NW 2 FT AT 4 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
FRI AND FRI NIGHT
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 2 FT AT
9 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND SE
2 FT AT 9 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.
ANZ283-060600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT WED AUG 5 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND W 2 FT AT
3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND NW 2 FT AT
4 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI AND 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 6 SECONDS AND W 2 FT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
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 NW
2 FT AT 5 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page