919
FZUS51 KBOX 250505
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 AM EDT THU JUN 25 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-251800-
104 AM EDT THU JUN 25 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A RIDGE OF HIGH PRES CROSSES THE REGION TONIGHT AND SHIFTS EAST OF
THE WATERS ON THU. A COLD FRONT WITH WAVES OF LOW PRES WILL BRING A
RISK FOR A ROUND OR TWO OF SCATTERED SHOWERS AND A FEW THUNDERSTORMS
THU NIGHT INTO FRI. A WEAK WAVE OF LOW PRES PASSES SOUTH OF THE
WATERS SAT FOLLOWED BY HIGH PRES BUILDING ACROSS THE WATERS SUN INTO
MON.
ANZ250-251800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W 1 FOOT AT
2 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
FRI
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT
AT 3 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING
W AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SAT
N WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND W 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN THROUGH MON NIGHT
S 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.
ANZ251-251800-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 6 SECONDS AND S 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND S 1 FOOT
AT 2 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 6 SECONDS. A
CHANCE OF SHOWERS.
SUN THROUGH MON NIGHT
S 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.
ANZ231-251800-
CAPE COD BAY-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS.
THU
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING SW 1 FOOT
AT 2 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: E 2 FT AT 7 SECONDS AND S 2 FT
AT 8 SECONDS, BECOMING SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
5 SECONDS.
FRI
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS.
FRI NIGHT
SW 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 SE 1 FOOT AT 7 SECONDS, BECOMING W 1 FOOT AT 2 SECONDS AND SE
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 6 SECONDS. A
CHANCE OF SHOWERS.
SUN THROUGH MON NIGHT
SW WINDS AROUND 5 KT. SEAS 1 FOOT OR
LESS.
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.
ANZ254-251800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND E 3 FT AT 8 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND SE 2 FT AT 10 SECONDS.
THU NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
FRI
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
7 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW 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: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
SAT NIGHT
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW WINDS AROUND 5 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.
ANZ255-251800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: S 5 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND E 1 FOOT AT 6 SECONDS.
THU NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
FRI
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 1 FOOT AT 12 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW 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: SW 2 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SAT
SE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 5 SECONDS. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SUN THROUGH MON NIGHT
SW 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.
ANZ256-251800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 1 FOOT AT 7 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND SW 1 FOOT AT 5 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS
AND SW 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 5 SECONDS. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW 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.
ANZ232-251800-
NANTUCKET SOUND-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 8 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
6 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG
AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
FRI
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH 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. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI 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 2 FT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SAT
S WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. SHOWERS LIKELY.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW 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.
ANZ233-251800-
VINEYARD SOUND-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 8 SECONDS AND E 2 FT AT 10 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND E 1 FOOT AT
5 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND S 2 FT AT
10 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT
6 SECONDS AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 6 SECONDS AND SE 1 FOOT AT 13 SECONDS. SHOWERS LIKELY.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW 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.
ANZ234-251800-
BUZZARDS BAY-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 10 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT
4 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
FRI
S 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 S 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
FRI 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: S 2 FT AT 6 SECONDS AND SE 1 FOOT AT 13 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SAT
S WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 6 SECONDS AND E 1 FOOT
AT 8 SECONDS. SHOWERS LIKELY.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. A CHANCE OF SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW 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.
ANZ235-251800-
RHODE ISLAND SOUND-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND E 2 FT AT 7 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 1 FOOT AT
7 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
FRI
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND S 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING WITH
VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS
AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS. SHOWERS LIKELY.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW 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.
ANZ237-251800-
BLOCK ISLAND SOUND-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER
MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
6 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS. SHOWERS LIKELY.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW 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.
ANZ230-251800-
BOSTON HARBOR-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. SHOWERS LIKELY.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A
CHANCE OF SHOWERS.
SUN THROUGH MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR
LESS.
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.
ANZ236-251800-
NARRAGANSETT BAY-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS AROUND 5 KT. WAVES AROUND 2 FT.
THU
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
AROUND 2 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY 1 NM
OR LESS.
FRI
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. SHOWERS LIKELY.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
SUN THROUGH MON NIGHT
SW WINDS 5 TO 10 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.
ANZ280-251800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL:
S 3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
FRI
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SW 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT 12 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN THROUGH MON 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.
ANZ281-251800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 8 SECONDS AND E 3 FT AT 9 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND E 2 FT AT 10 SECONDS.
THU NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
FRI
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND W 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SUN THROUGH MON NIGHT
SW 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.
ANZ282-251800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS.
FRI
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND
SW 2 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
FRI NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS AND SE 2 FT AT 6 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SAT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND W 1 FOOT AT 5 SECONDS. SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY,
MAINLY IN THE EVENING.
SUN THROUGH MON 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.
ANZ283-251800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 AM EDT THU JUN 25 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
THU NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
FRI
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW 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: SW 2 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS. SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
SUN THROUGH MON 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.
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