441
FZUS51 KBOX 240504
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 AM EDT FRI JUL 24 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-241800-
104 AM EDT FRI JUL 24 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS ACROSS THE WATERS INTO THE WEEKEND, BRINGING MORE
PLEASANT BOATING WEATHER TO THE REGION THROUGH THE WEEKEND WITH
LIGHT WINDS AND SEAS LESS THAN 3 FT. INCREASING CHANCE FOR ROUGH
SEAS EARLY NEXT WEEK AS LOW PRESSURE APPROACHES FROM THE WEST.
ANZ250-241800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS AND S 1 FOOT AT 3 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND S 1 FOOT AT 3 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
MON AND MON NIGHT
E WINDS 5 TO 10 KT, BECOMING S. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS.
TUE AND TUE NIGHT
S 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.
ANZ251-241800-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND S 1 FOOT AT 3 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND SE 2 FT AT 10 SECONDS.
SAT NIGHT AND SUN
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SE 2 FT AT
8 SECONDS.
MON AND MON NIGHT
E WINDS 10 TO 15 KT, BECOMING S. SEAS AROUND
2 FT.
TUE AND TUE NIGHT
S 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.
ANZ231-241800-
CAPE COD BAY-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 4 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 8 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: SE 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
SAT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND E 1 FOOT
AT 4 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT 2 SECONDS.
MON AND MON NIGHT
E WINDS 5 TO 10 KT, BECOMING S. SEAS AROUND
2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
2 SECONDS.
TUE AND TUE NIGHT
S 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.
ANZ254-241800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI
NW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND E 2 FT AT
7 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: S 3 FT AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND
SW 2 FT AT 8 SECONDS.
MON AND MON NIGHT
NE WINDS 5 TO 10 KT, BECOMING S. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE 1 FOOT AT
12 SECONDS.
TUE AND TUE NIGHT
S 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.
ANZ255-241800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 1 FOOT AT 7 SECONDS.
FRI
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND W 4 FT AT
7 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND
SW 2 FT AT 8 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND E 1 FOOT AT 12 SECONDS.
MON NIGHT AND TUE
S WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
TUE NIGHT
S WINDS 15 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.
ANZ256-241800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 2 FT AT 8 SECONDS.
FRI
N WINDS AROUND 5 KT, BECOMING SE AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND
SW 3 FT AT 8 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND SW 1 FOOT AT
9 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE 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 S
1 FOOT AT 7 SECONDS.
MON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS.
MON NIGHT AND TUE
S WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 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.
ANZ232-241800-
NANTUCKET SOUND-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 8 SECONDS AND SW 1 FOOT AT 5 SECONDS.
FRI
NW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND E 1 FOOT AT 4 SECONDS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND
S 2 FT AT 7 SECONDS.
MON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 7 SECONDS.
MON NIGHT THROUGH TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP
TO 25 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.
ANZ233-241800-
VINEYARD SOUND-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 2 FT AT 9 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 2 FT AT
8 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND E 1 FOOT AT
3 SECONDS.
SAT
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT 3 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS
AND S 1 FOOT AT 7 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
MON NIGHT AND TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. SHOWERS LIKELY.
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.
ANZ234-241800-
BUZZARDS BAY-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: S
2 FT AT 7 SECONDS AND E 1 FOOT AT 2 SECONDS, BECOMING E 1 FOOT AT
2 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT NIGHT AND SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS, BECOMING E 1 FOOT
AT 2 SECONDS AND SW 1 FOOT AT 7 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
MON NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. SHOWERS LIKELY.
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.
ANZ235-241800-
RHODE ISLAND SOUND-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 7 SECONDS AND SW 1 FOOT AT 8 SECONDS.
FRI
SW WINDS AROUND 5 KT, BECOMING S AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E 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 SW 1 FOOT AT 8 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS.
MON NIGHT AND TUE
S WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
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.
ANZ237-241800-
BLOCK ISLAND SOUND-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND SW 1 FOOT AT 8 SECONDS.
FRI
N WINDS AROUND 5 KT, BECOMING SE AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
1 FOOT AT 8 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS.
MON NIGHT AND TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. SHOWERS LIKELY.
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.
ANZ230-241800-
BOSTON HARBOR-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
FRI
W WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
SAT NIGHT AND SUN
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MON
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
TUE AND TUE NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. SHOWERS LIKELY.
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.
ANZ236-241800-
NARRAGANSETT BAY-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. WAVES AROUND 2 FT.
FRI
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
AROUND 2 FT.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
AROUND 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SUN AND SUN NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
TUE AND TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. SHOWERS LIKELY.
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.
ANZ280-241800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
SAT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
MON AND MON NIGHT
E WINDS 5 TO 10 KT, BECOMING S. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE 1 FOOT AT
11 SECONDS.
TUE AND TUE NIGHT
S 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.
ANZ281-241800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
NW WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 8 SECONDS AND NW 3 FT AT 4 SECONDS.
FRI
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
MON AND MON NIGHT
NE WINDS 5 TO 10 KT, BECOMING S. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
TUE AND TUE NIGHT
S 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.
ANZ282-241800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 7 SECONDS AND NW 4 FT AT 9 SECONDS.
FRI
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E
2 FT AT 7 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SE
3 FT AT 8 SECONDS.
MON AND MON NIGHT
NE WINDS 5 TO 10 KT, BECOMING S. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
TUE AND TUE NIGHT
S 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.
ANZ283-241800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 AM EDT FRI JUL 24 2026
REST OF TONIGHT
E WINDS AROUND 5 KT. SEAS AROUND 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND N 3 FT AT 12 SECONDS.
FRI
NE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E
3 FT AT 7 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS AND SW 2 FT AT 9 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS.
MON NIGHT THROUGH TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 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.
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