524
FZUS51 KBOX 041405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT SAT JUL 4 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-050300-
1004 AM EDT SAT JUL 4 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT WILL CROSS THE WATERS TODAY. HIGH PRES THEN NOSES DOWN
FROM QUEBEC AS LOW PRES APPROACHES FROM THE WEST SUN INTO EARLY NEXT
WEEK.
ANZ250-050300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 4 SECONDS. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
4 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
4 SECONDS.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 3 SECONDS. SCATTERED SHOWERS
IN THE AFTERNOON.
MON NIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SCATTERED SHOWERS IN THE EVENING.
NUMEROUS SHOWERS AFTER MIDNIGHT.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SCATTERED SHOWERS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING S. SEAS 3 TO
5 FT.
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.
ANZ251-050300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 3 SECONDS. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 2 SECONDS AND SW 1 FOOT
AT 2 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND N 1 FOOT
AT 3 SECONDS.
SUN NIGHT
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 3 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 2 SECONDS AND SE
1 FOOT AT 3 SECONDS, BECOMING SE 1 FOOT AT 4 SECONDS AND E 1 FOOT
AT 10 SECONDS. SCATTERED SHOWERS IN THE AFTERNOON.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 4 SECONDS AND E 1 FOOT AT 10 SECONDS. NUMEROUS
SHOWERS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. NUMEROUS SHOWERS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING S. SEAS 2 TO
3 FT.
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.
ANZ231-050300-
CAPE COD BAY-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
NW WINDS AROUND 5 KT, BECOMING SW. SEAS 1 FOOT
OR LESS. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 3 SECONDS, BECOMING N 1 FOOT
AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 5 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
7 SECONDS.
SUN NIGHT
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 2 SECONDS AND N 1 FOOT AT 3 SECONDS. SCATTERED SHOWERS
IN THE MORNING, THEN NUMEROUS SHOWERS IN THE AFTERNOON.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 11 SECONDS. NUMEROUS
SHOWERS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. NUMEROUS SHOWERS.
TUE NIGHT AND WED
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A
CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
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.
ANZ254-050300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND NW 1 FOOT AT
3 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 4 SECONDS. SCATTERED SHOWERS IN THE MORNING, THEN
NUMEROUS SHOWERS IN THE AFTERNOON.
MON NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. NUMEROUS SHOWERS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. NUMEROUS SHOWERS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 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.
ANZ255-050300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W 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 NW 1 FOOT
AT 2 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
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: W 2 FT
AT 4 SECONDS AND N 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN NIGHT
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 6 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS.
MON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS.
SCATTERED SHOWERS IN THE MORNING, THEN NUMEROUS SHOWERS IN THE
AFTERNOON.
MON NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. WIDESPREAD SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
E WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WIDESPREAD SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
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.
ANZ256-050300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W 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 NW 1 FOOT
AT 2 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
4 SECONDS AND N 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND SW 2 FT AT 6 SECONDS.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 3 SECONDS AND W 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
MON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND N 1 FOOT AT
3 SECONDS. WIDESPREAD SHOWERS.
MON NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. WIDESPREAD SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT.
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.
ANZ232-050300-
NANTUCKET SOUND-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT
3 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 5 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND SW
1 FOOT AT 5 SECONDS, BECOMING E 1 FOOT AT 3 SECONDS AND NW 1 FOOT
AT 4 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
E WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND N 1 FOOT AT
3 SECONDS. SCATTERED SHOWERS IN THE MORNING, THEN NUMEROUS
SHOWERS IN THE AFTERNOON.
MON NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. WIDESPREAD SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. NUMEROUS SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
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.
ANZ233-050300-
VINEYARD SOUND-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS AND W 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING NW
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND N 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
SUN
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 6 SECONDS AND NE 1 FOOT AT 2 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND N 1 FOOT AT
3 SECONDS. SCATTERED SHOWERS IN THE MORNING, THEN NUMEROUS
SHOWERS IN THE AFTERNOON.
MON NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND S
1 FOOT AT 10 SECONDS. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE
E WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WIDESPREAD SHOWERS
WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
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.
ANZ234-050300-
BUZZARDS BAY-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING N
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS IN THE EVENING.
SUN
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SW
1 FOOT AT 5 SECONDS, BECOMING E 1 FOOT AT 2 SECONDS AND W 1 FOOT
AT 5 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 5 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
MON
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND N 1 FOOT
AT 3 SECONDS. SCATTERED SHOWERS IN THE MORNING, THEN NUMEROUS
SHOWERS IN THE AFTERNOON.
MON NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND
S 1 FOOT AT 5 SECONDS. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. NUMEROUS SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS.
WED AND WED NIGHT
NE WINDS AROUND 10 KT, BECOMING S. SEAS
AROUND 2 FT.
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.
ANZ235-050300-
RHODE ISLAND SOUND-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
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 W 1 FOOT AT
2 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
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 4 SECONDS AND N 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
A CHANCE OF TSTMS IN THE EVENING.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS.
MON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS.
NUMEROUS SHOWERS.
MON NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE
1 FOOT AT 10 SECONDS. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
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.
ANZ237-050300-
BLOCK ISLAND SOUND-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
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 9 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING NW
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS
AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF
TSTMS IN THE EVENING.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
2 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS.
MON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND S 1 FOOT AT 5 SECONDS.
NUMEROUS SHOWERS.
MON NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE
1 FOOT AT 10 SECONDS. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT AND WED
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
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.
ANZ230-050300-
BOSTON HARBOR-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN
AROUND 2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS IN THE EVENING.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
MON
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
SCATTERED SHOWERS.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. NUMEROUS SHOWERS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. NUMEROUS SHOWERS.
TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING S. WAVES
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.
ANZ236-050300-
NARRAGANSETT BAY-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS. A CHANCE OF TSTMS IN THE
EVENING.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT. SCATTERED SHOWERS IN THE MORNING, THEN
NUMEROUS SHOWERS IN THE AFTERNOON.
MON NIGHT
E WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT. WIDESPREAD SHOWERS WITH A CHANCE OF
TSTMS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. NUMEROUS SHOWERS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND
2 FT.
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.
ANZ280-050300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E 1 FOOT
AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS.
SUN NIGHT
SE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 3 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SCATTERED SHOWERS IN THE EVENING, THEN
NUMEROUS SHOWERS AFTER MIDNIGHT.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. NUMEROUS SHOWERS.
TUE NIGHT AND WED
E WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. A CHANCE
OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 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.
ANZ281-050300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND NW 1 FOOT AT 3 SECONDS.
TONIGHT
W WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND N 1 FOOT AT
3 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS. SCATTERED SHOWERS.
MON NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. NUMEROUS SHOWERS.
TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. NUMEROUS SHOWERS.
TUE NIGHT AND WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NE 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 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.
ANZ282-050300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: W
3 FT AT 5 SECONDS AND N 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 3 SECONDS AND SW 2 FT AT 6 SECONDS. A CHANCE OF
SHOWERS.
MON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
WIDESPREAD SHOWERS.
MON NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 5 SECONDS AND SE
4 FT AT 10 SECONDS. WIDESPREAD SHOWERS. A CHANCE OF TSTMS AFTER
MIDNIGHT.
TUE
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 FT. A CHANCE OF SHOWERS.
WED
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
WED NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
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.
ANZ283-050300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 AM EDT SAT JUL 4 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND NW 1 FOOT
AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
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 N 1 FOOT AT
2 SECONDS. A CHANCE OF SHOWERS.
SUN
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND SW 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
MON
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
WIDESPREAD SHOWERS.
MON NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. WIDESPREAD SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WIDESPREAD SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. A CHANCE OF SHOWERS.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
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.
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