214
FZUS51 KBOX 290827
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
427 AM EDT MON JUN 29 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-292130-
427 AM EDT MON JUN 29 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LIGHT SOUTHWEST WINDS WITH RELATIVELY CALM CONDITIONS AS HIGH
PRESSURE DOMINATES THE WEATHER FOR MOST OF THE UPCOMING WEEK. SEAS
GENERALLY 0-3 FEET THROUGH TUE. BREEZIER OVER THE WATERS MIDWEEK,
CALMING TOWARDS THE END OF THE WEEK.
ANZ250-292130-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
427 AM EDT MON JUN 29 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 10 SECONDS AND SW 1 FOOT AT 2 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 10 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. SHOWERS LIKELY IN THE MORNING.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS.
THU THROUGH FRI NIGHT
W 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.
ANZ251-292130-
MASSACHUSETTS BAY AND IPSWICH BAY-
427 AM EDT MON JUN 29 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING E THIS AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 6 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 10 SECONDS.
TUE
S 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 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 3 SECONDS, BECOMING SE 2 FT AT 3 SECONDS AND E 1 FOOT
AT 10 SECONDS.
TUE NIGHT
SW 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 E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS LIKELY IN THE MORNING.
WED NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND
E 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT, THEN
1 FOOT OR LESS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 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.
ANZ231-292130-
CAPE COD BAY-
427 AM EDT MON JUN 29 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING N THIS AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 6 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM THIS AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT, BECOMING S AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 11 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY
1 NM OR LESS.
TUE
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND N
1 FOOT AT 3 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
WED
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
6 SECONDS. SHOWERS LIKELY IN THE MORNING.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
6 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
FRI NIGHT
W WINDS AROUND 5 KT. SEAS 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.
ANZ254-292130-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT, BECOMING N THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
E WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT AT 10 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.
ANZ255-292130-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM THIS AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT, BECOMING S AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND
SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
S WINDS 5 TO 10 KT, BECOMING SW 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 SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND E 1 FOOT AT 4 SECONDS. PATCHY FOG IN THE
EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM IN
THE EVENING.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 1 FOOT AT
6 SECONDS. A CHANCE OF SHOWERS.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE
1 FOOT AT 10 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.
ANZ256-292130-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
TUE
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 4 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 NM OR LESS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 2 FT AT
7 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE
1 FOOT AT 10 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.
ANZ232-292130-
NANTUCKET SOUND-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT, BECOMING NE THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT
6 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 6 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
TUE
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 NE 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
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 E 1 FOOT AT
4 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
WED AND WED NIGHT
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 6 SECONDS. A CHANCE OF SHOWERS.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 10 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.
ANZ233-292130-
VINEYARD SOUND-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT, BECOMING SE THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW
1 FOOT AT 6 SECONDS, BECOMING E 1 FOOT AT 2 SECONDS AND SW 1 FOOT
AT 6 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
TUE
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 E 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 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.
ANZ234-292130-
BUZZARDS BAY-
427 AM EDT MON JUN 29 2026
TODAY
NW WINDS AROUND 5 KT, BECOMING E THIS AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 7 SECONDS AND SE 1 FOOT
AT 11 SECONDS. PATCHY FOG THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 6 SECONDS. PATCHY FOG
AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
TUE
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND NE 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW 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 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
WED
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ235-292130-
RHODE ISLAND SOUND-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT, BECOMING S AROUND 5 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS
AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TUE
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 4 SECONDS AND E 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 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.
ANZ237-292130-
BLOCK ISLAND SOUND-
427 AM EDT MON JUN 29 2026
TODAY
W WINDS AROUND 5 KT, BECOMING S AROUND 5 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND
SE 1 FOOT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING
TO 1 TO 3 NM THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
TUE
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 5 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
THU THROUGH FRI NIGHT
W 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 SE
1 FOOT AT 10 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.
ANZ230-292130-
BOSTON HARBOR-
427 AM EDT MON JUN 29 2026
TODAY
N WINDS AROUND 5 KT, BECOMING E THIS AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
SE WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
TUE
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES AROUND 2 FT. SHOWERS LIKELY IN THE MORNING.
WED NIGHT
SW WINDS AROUND 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
THU AND THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 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.
ANZ236-292130-
NARRAGANSETT BAY-
427 AM EDT MON JUN 29 2026
TODAY
NW WINDS AROUND 5 KT, BECOMING SE THIS AFTERNOON. WAVES
AROUND 2 FT. PATCHY FOG THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
TUE
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT. A CHANCE OF SHOWERS.
WED
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES 2 TO 3 FT.
THU THROUGH FRI 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.
ANZ280-292130-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
427 AM EDT MON JUN 29 2026
TODAY
N WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
WED
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY IN THE
MORNING.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
FRI AND FRI 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.
ANZ281-292130-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
427 AM EDT MON JUN 29 2026
TODAY
SW WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND
SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
E WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
S WINDS 5 TO 10 KT, BECOMING SW 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 SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT THROUGH FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 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.
ANZ282-292130-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
427 AM EDT MON JUN 29 2026
TODAY
E WINDS AROUND 5 KT, BECOMING NW THIS AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
TUE
S WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 10 SECONDS
AND NE 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY
1 NM OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
SE 2 FT AT 10 SECONDS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
4 FT. A CHANCE OF SHOWERS.
THU NIGHT AND FRI
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 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.
ANZ283-292130-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
427 AM EDT MON JUN 29 2026
TODAY
NE WINDS AROUND 5 KT, BECOMING W THIS AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
TUE
S WINDS 5 TO 10 KT, BECOMING SW 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 SE 2 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS.
WED NIGHT
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
4 FT. A CHANCE OF SHOWERS.
THU NIGHT AND FRI
SW WINDS 15 TO 20 KT, BECOMING W 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT.
FRI 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.
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