504
FZUS51 KBOX 161746
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
146 PM EDT THU APR 16 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-170700-
146 PM EDT THU APR 16 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A BACKDOOR COLD FRONT REMAINS OVER NORTHERN NEW ENGLAND THAT MAY
CROSS THROUGH THE NORTHERN MA WATERS AGAIN TODAY. A COLD FRONT
LIKELY CROSSES WATERS SOMETIME FRI/FRI NIGHT FOLLOWED BY A STRONGER
COLD FRONT SOMETIME SUN/SUN NIGHT. EARLY NEXT WEEK, HIGH PRES BUILDS
FROM THE GREAT LAKES TO THE MID ATLANTIC.
ANZ250-170700-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. PATCHY FOG. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY
1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN
THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W. GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ251-170700-
MASSACHUSETTS BAY AND IPSWICH BAY-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. PATCHY
FOG. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. A CHANCE OF
SHOWERS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W. SEAS 2 TO
3 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW 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.
ANZ231-170700-
CAPE COD BAY-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT, BECOMING N IN THE AFTERNOON. SEAS
1 FOOT OR LESS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN
THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. PATCHY FOG IN
THE MORNING.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 15 TO
20 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW 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.
ANZ254-170700-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT, BECOMING N IN THE AFTERNOON. SEAS 2 TO
4 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING. VSBY 1 NM
OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG
AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
MON NIGHT
NW 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.
ANZ255-170700-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE
MORNING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. PATCHY FOG.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT.
SUN
S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
MON
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-170700-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
2 TO 3 FT.
SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-170700-
NANTUCKET SOUND-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ233-170700-
VINEYARD SOUND-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. PATCHY FOG. VSBY
1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING WITH
VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG
AFTER MIDNIGHT.
SAT
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ234-170700-
BUZZARDS BAY-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. PATCHY FOG.
VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING WITH
VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SAT
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 15 TO
20 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
MON AND MON NIGHT
W WINDS 15 TO 20 KT, BECOMING NW 10 TO
15 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.
ANZ235-170700-
RHODE ISLAND SOUND-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SAT
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT.
SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ237-170700-
BLOCK ISLAND SOUND-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TONIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. PATCHY FOG IN THE
EVENING WITH VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO
20 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW 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.
ANZ230-170700-
BOSTON HARBOR-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS AROUND 5 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 15 TO
20 KT. WAVES AROUND 2 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 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.
ANZ236-170700-
NARRAGANSETT BAY-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
SW WINDS AROUND 5 KT, BECOMING NW IN THE AFTERNOON. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING WITH
VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SAT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W. GUSTS UP
TO 20 KT. WAVES AROUND 2 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW 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.
ANZ280-170700-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING SW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING WITH
VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT.
SAT
E WINDS AROUND 10 KT. SEAS 2 TO 3 FT.
SAT NIGHT
SE WINDS AROUND 10 KT, BECOMING S AFTER MIDNIGHT.
SEAS 2 TO 3 FT.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO
20 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-170700-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. PATCHY FOG. A CHANCE
OF SHOWERS IN THE MORNING. VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
AROUND 3 FT.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
MON
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-170700-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. PATCHY FOG. VSBY
1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. PATCHY FOG.
VSBY 1 NM OR LESS IN THE EVENING.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. PATCHY FOG IN THE
MORNING.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. SHOWERS LIKELY.
MON AND MON NIGHT
W WINDS 20 TO 25 KT, BECOMING NW 15 TO
20 KT. SEAS 4 TO 6 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.
ANZ283-170700-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
146 PM EDT THU APR 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 3 FT.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT.
SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. SHOWERS LIKELY.
MON AND MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 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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