859
FZUS51 KBOX 242305
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 PM EDT FRI APR 24 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-251200-
705 PM EDT FRI APR 24 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES WILL REMAIN NEAR SOUTHERN NEW ENGLAND THROUGH SAT. LOW
PRES IS EXPECTED TO TRACK THROUGH THE SOUTHERN OFFSHORE WATERS SUN.
HIGH PRES THEN REASSERTS ITSELF INTO THE REGION EARLY NEXT WEEK.
ANZ250-251200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 PM EDT FRI APR 24 2026
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT
S WINDS AROUND 5 KT, BECOMING W AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND E
2 FT AT 14 SECONDS.
SUN
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 9 SECONDS AND E 2 FT AT 13 SECONDS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND E 2 FT AT 12 SECONDS.
TUE
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND E 1 FOOT AT 11 SECONDS.
TUE NIGHT AND WED
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
WED NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-251200-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 PM EDT FRI APR 24 2026
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
SAT NIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND E 2 FT AT
9 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 9 SECONDS AND E 2 FT AT 13 SECONDS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND E 2 FT AT 7 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT THROUGH WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-251200-
CAPE COD BAY-
705 PM EDT FRI APR 24 2026
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT THIS EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 7 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND E 1 FOOT
AT 7 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 8 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND
SE 2 FT AT 8 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND E 2 FT AT 10 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE
OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-251200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 PM EDT FRI APR 24 2026
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND
NW 1 FOOT AT 4 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND N 2 FT AT 4 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 13 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT AND MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND E 3 FT AT
7 SECONDS. A CHANCE OF SHOWERS THROUGH THE DAY.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT.
TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-251200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 PM EDT FRI APR 24 2026
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND S 2 FT AT 6 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 1 FOOT
AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 9 SECONDS AND SE 2 FT AT 15 SECONDS.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
E 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND E
2 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
MON
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 4 SECONDS AND SE 3 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS IN THE MORNING. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. PATCHY FOG. VSBY 1 TO 3 NM.
WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PATCHY FOG. A
CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-251200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 PM EDT FRI APR 24 2026
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND
E 2 FT AT 4 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 9 SECONDS AND NE 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND E 3 FT AT 8 SECONDS. A
CHANCE OF SHOWERS. PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO
3 NM.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND E 3 FT AT
7 SECONDS. PATCHY DENSE FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
MON
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND E 3 FT AT 7 SECONDS. WIDESPREAD DENSE FOG. VSBY
1 NM OR LESS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. PATCHY DENSE FOG IN THE EVENING. PATCHY FOG AFTER
MIDNIGHT. VSBY 1 NM OR LESS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PATCHY FOG.
VSBY 1 TO 3 NM.
WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PATCHY FOG. A
CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-251200-
NANTUCKET SOUND-
705 PM EDT FRI APR 24 2026
TONIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 5 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
SUN NIGHT AND MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND SE 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
E 2 FT AT 7 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-251200-
VINEYARD SOUND-
705 PM EDT FRI APR 24 2026
TONIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.
WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS,
BECOMING E 1 FOOT AT 2 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND NW 1 FOOT AT 2 SECONDS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
PATCHY DENSE FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 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.
ANZ234-251200-
BUZZARDS BAY-
705 PM EDT FRI APR 24 2026
TONIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
E WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 6 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 9 SECONDS AND NW 1 FOOT AT 2 SECONDS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT
AT 8 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. SEAS AROUND 2 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.
ANZ235-251200-
RHODE ISLAND SOUND-
705 PM EDT FRI APR 24 2026
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND
E 2 FT AT 4 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND E
2 FT AT 12 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND E 2 FT AT 4 SECONDS. PATCHY DENSE FOG. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
WIDESPREAD DENSE FOG. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A
CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-251200-
BLOCK ISLAND SOUND-
705 PM EDT FRI APR 24 2026
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND
SE 2 FT AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL:
NE 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS, BECOMING N
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 3 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS.
SUN
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND
E 2 FT AT 12 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND E 2 FT AT 4 SECONDS. PATCHY DENSE FOG. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
PATCHY DENSE FOG IN THE MORNING. WIDESPREAD DENSE FOG IN THE
AFTERNOON. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
WED AND WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE
OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-251200-
BOSTON HARBOR-
705 PM EDT FRI APR 24 2026
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SUN
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND
2 FT.
TUE
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TUE NIGHT THROUGH WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. WAVES 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.
ANZ236-251200-
NARRAGANSETT BAY-
705 PM EDT FRI APR 24 2026
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING E AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SUN
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM
OR LESS.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT. PATCHY DENSE FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. WAVES AROUND 2 FT.
TUE
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TUE NIGHT THROUGH WED NIGHT
E WINDS 10 TO 15 KT. WAVES 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.
ANZ280-251200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
705 PM EDT FRI APR 24 2026
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND NW 2 FT AT 4 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 10 SECONDS AND N 2 FT AT 5 SECONDS.
SUN
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 9 SECONDS AND E 2 FT AT 13 SECONDS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND E 2 FT AT 12 SECONDS.
TUE
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND S 1 FOOT AT 7 SECONDS.
TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 6 TO 7 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-251200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
705 PM EDT FRI APR 24 2026
TONIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 6 SECONDS AND NW 2 FT AT 4 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 2 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT
N WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND E 3 FT AT 14 SECONDS.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT
AT 13 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND S
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
TUE NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 7 TO 8 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-251200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
705 PM EDT FRI APR 24 2026
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 5 SECONDS AND S 2 FT AT 6 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND N 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND E 3 FT AT 13 SECONDS.
A CHANCE OF SHOWERS. PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO
3 NM.
SUN NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 4 SECONDS
AND E 4 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY
1 NM OR LESS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 4 SECONDS AND S 4 FT AT 7 SECONDS.
PATCHY DENSE FOG IN THE MORNING. WIDESPREAD DENSE FOG IN THE
AFTERNOON. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. PATCHY DENSE FOG IN THE EVENING, THEN PATCHY FOG AFTER
MIDNIGHT. A CHANCE OF SHOWERS IN THE EVENING. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
6 TO 9 FT. PATCHY FOG. VSBY 1 TO 3 NM.
WED
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 7 TO
8 FT. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 8 FT. PATCHY FOG. 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.
ANZ283-251200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
705 PM EDT FRI APR 24 2026
TONIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND S 2 FT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 14 SECONDS AND NE 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 7 SECONDS AND E 3 FT AT 13 SECONDS. PATCHY FOG. SHOWERS
LIKELY, MAINLY IN THE MORNING. VSBY 1 NM OR LESS IN THE
AFTERNOON.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E 2 FT AT
12 SECONDS. PATCHY DENSE FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 4 SECONDS AND E 4 FT AT 8 SECONDS.
PATCHY DENSE FOG IN THE MORNING, THEN WIDESPREAD DENSE FOG IN THE
AFTERNOON. A CHANCE OF SHOWERS IN THE MORNING. VSBY 1 NM OR LESS.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. PATCHY DENSE FOG IN THE EVENING. PATCHY FOG AFTER
MIDNIGHT. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 8 FT. PATCHY FOG. VSBY 1 TO 3 NM.
WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 6 TO
7 FT. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 7 FT. PATCHY FOG. 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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