552
FZUS51 KBOX 211405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT SUN JUN 21 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-220300-
1004 AM EDT SUN JUN 21 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
RELATIVELY TRANQUIL BOATING CONDITIONS ACROSS THE COASTAL WATERS
TODAY. ANOTHER COASTAL SYSTEM APPROACHES FROM THE W ALONG THE S
COAST OF NE ENGLAND LATE MON INTO TUE. WEAK HIGH PRES SHOULD THEN
MOVE OVER THE WATERS WED INTO THU.
ANZ250-220300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS AROUND 5 KT, BECOMING S. SEAS AROUND
2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT AT
3 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 5 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND SW 1 FOOT AT
3 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 6 SECONDS AND SW 1 FOOT AT 3 SECONDS. SHOWERS, MAINLY IN THE
MORNING.
TUE NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
WED THROUGH THU 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.
ANZ251-220300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS AROUND 5 KT, BECOMING SE. SEAS 1 FOOT
OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND N 1 FOOT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND SE 1 FOOT
AT 3 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL:
NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 4 SECONDS, BECOMING W
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 4 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
MON NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS. SHOWERS. A CHANCE
OF TSTMS IN THE EVENING.
TUE
W WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND SW 1 FOOT AT
3 SECONDS. SHOWERS, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 3 SECONDS,
BECOMING NW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS.
WED THROUGH THU 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.
ANZ231-220300-
CAPE COD BAY-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS AROUND 5 KT, BECOMING S. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND S
1 FOOT AT 9 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND N 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 5 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 4 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: E
1 FOOT AT 3 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS. SHOWERS.
TUE NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
WED THROUGH THU 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.
ANZ254-220300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT SUN JUN 21 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: S 3 FT AT
8 SECONDS AND NW 1 FOOT AT 4 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND W 1 FOOT AT
3 SECONDS.
MON NIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE
1 FOOT AT 8 SECONDS, BECOMING S 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS WITH
A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
WED THROUGH THU 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.
ANZ255-220300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND W
1 FOOT AT 3 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SW
4 FT AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING S 4 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING. SHOWERS AFTER MIDNIGHT.
TUE
S WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND W
1 FOOT AT 6 SECONDS. SHOWERS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND NW 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
WED THROUGH THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 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.
ANZ256-220300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND W
1 FOOT AT 3 SECONDS.
MON
S WINDS AROUND 5 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 7 SECONDS AND W 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SE
4 FT AT 6 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING SE 4 FT AT
7 SECONDS AND W 1 FOOT AT 6 SECONDS. SHOWERS WITH A CHANCE OF
TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: S 4 FT AT
7 SECONDS AND W 2 FT AT 7 SECONDS. SHOWERS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND W 1 FOOT AT 7 SECONDS.
WED THROUGH THU 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.
ANZ232-220300-
NANTUCKET SOUND-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT
5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND
S 1 FOOT AT 8 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
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 SE 1 FOOT AT
7 SECONDS. SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT
5 SECONDS AND E 1 FOOT AT 12 SECONDS. SHOWERS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
WED THROUGH THU 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.
ANZ233-220300-
VINEYARD SOUND-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SW 2 FT AT
8 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO AROUND 5 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS. SHOWERS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND NE 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
WED THROUGH THU 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.
ANZ234-220300-
BUZZARDS BAY-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SW 2 FT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO AROUND 5 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.
MON
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL:
SW 1 FOOT AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS, BECOMING S
2 FT AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS.
SHOWERS WITH A CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS. SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND SW
1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
WED THROUGH THU 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.
ANZ235-220300-
RHODE ISLAND SOUND-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
MON
S WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND
SW 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 6 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N IN
THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS.
SHOWERS, MAINLY IN THE MORNING.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E 1 FOOT AT
6 SECONDS.
WED THROUGH THU 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.
ANZ237-220300-
BLOCK ISLAND SOUND-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT
5 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND W
1 FOOT AT 3 SECONDS.
MON
SE WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS. A
CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
W WINDS AROUND 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND W 1 FOOT AT
5 SECONDS. SHOWERS, MAINLY IN THE MORNING.
TUE NIGHT
W WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
WED THROUGH THU 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.
ANZ230-220300-
BOSTON HARBOR-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS AROUND 5 KT, BECOMING SE. WAVES 1 FOOT
OR LESS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MON
S WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
SE WINDS 10 TO 15 KT. WAVES AROUND 2 FT. SHOWERS. A
CHANCE OF TSTMS IN THE EVENING.
TUE
W WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. SHOWERS LIKELY, MAINLY IN THE MORNING.
TUE NIGHT
NW WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WED THROUGH THU
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 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.
ANZ236-220300-
NARRAGANSETT BAY-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
AROUND 2 FT.
MON
SE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
TUE
W WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT. SHOWERS, MAINLY IN THE MORNING.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
S WINDS 5 TO 10 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.
ANZ280-220300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 9 SECONDS AND NW 1 FOOT AT 4 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND W 1 FOOT AT
2 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. SHOWERS.
TUE
SW WINDS 15 TO 20 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS, MAINLY IN
THE MORNING.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 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.
ANZ281-220300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND NW 1 FOOT AT 4 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON NIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND S 3 FT
AT 7 SECONDS, BECOMING SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS AFTER
MIDNIGHT.
TUE
S WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
4 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
WED THROUGH THU 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.
ANZ282-220300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 8 SECONDS AND W 1 FOOT AT 5 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
3 FT AT 8 SECONDS AND SE 1 FOOT AT 12 SECONDS.
MON
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS, BECOMING SW 4 FT AT
6 SECONDS AND SE 1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
TUE
S WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND
SW 1 FOOT AT 3 SECONDS. SHOWERS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS.
WED THROUGH THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 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.
ANZ283-220300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 AM EDT SUN JUN 21 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
MON
S WINDS AROUND 5 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 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SE
4 FT AT 5 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 4 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS AFTER
MIDNIGHT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING NW
IN THE AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: S 4 FT AT
6 SECONDS AND N 2 FT AT 7 SECONDS. SHOWERS IN THE MORNING. A
CHANCE OF SHOWERS IN THE AFTERNOON.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND N 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING.
WED THROUGH THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 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.
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