533
FZUS51 KBOX 090504
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EDT FRI OCT 9 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-091800-
103 AM EDT FRI OCT 9 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
W WINDS WILL INCREASE THROUGH THE MORNING, PEAKING IN THE AFTERNOON.
EXPECTING SUSTAINED WINDS 10-15 KTS WITH GUSTS 20-25KTS THOUGH SOME
GUSTS 25-30 KT ARE POSSIBLE. SEAS AROUND 4 FT OR LESS FRIDAY FOR ALL
WATERS, WITH GOOD VISIBILITY EXPECTED. HIGH PRES THEN BUILDS IN FOR
THE WEEKEND BEFORE TURNING MORE UNSETTLED BY LATE IN THE WEEKEND
WITH THE RETURN OF RAINFALL AND GUSTY S/SW WINDS. MORE UNSETTLED
WEATHER AND BREEZY WINDS POSSIBLE NEXT WEEK.
ANZ250-091800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT AT
4 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT AT
5 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT
4 SECONDS.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
S WINDS AROUND 10 KT, BECOMING SE AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. SHOWERS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
TUE AND TUE NIGHT
SE WINDS 10 TO 15 KT, BECOMING SW 15 TO
20 KT WITH GUSTS UP TO 25 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.
ANZ251-091800-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 4 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E
1 FOOT AT 4 SECONDS.
SAT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS.
WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS,
BECOMING N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN NIGHT
S WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE AND TUE NIGHT
SE WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT
WITH GUSTS UP TO 25 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.
ANZ231-091800-
CAPE COD BAY-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 4 SECONDS.
FRI
W WINDS AROUND 10 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
4 SECONDS.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND NE 1 FOOT AT
4 SECONDS.
SAT
NW 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: N
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN NIGHT
S WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: S 1 FOOT AT 4 SECONDS
AND SE 1 FOOT AT 9 SECONDS, BECOMING SE 1 FOOT AT 3 SECONDS AND
SE 1 FOOT AT 9 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. SHOWERS.
MON NIGHT AND TUE
N WINDS 5 TO 10 KT, BECOMING SE. SEAS AROUND
2 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ254-091800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND NE 1 FOOT AT
2 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
1 FOOT AT 4 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 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.
ANZ255-091800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS
AND E 1 FOOT AT 4 SECONDS. SHOWERS.
MON
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ256-091800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 2 SECONDS
AND W 1 FOOT AT 3 SECONDS, BECOMING NE 1 FOOT AT 2 SECONDS AND SW
1 FOOT AT 3 SECONDS.
SUN
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SUN NIGHT
SE WINDS 10 TO 15 KT, BECOMING E 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT.
SHOWERS.
MON
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. SHOWERS.
MON NIGHT AND TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS 4 TO 6 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ232-091800-
NANTUCKET SOUND-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SHOWERS.
MON NIGHT AND TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SE. SEAS 2 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ233-091800-
VINEYARD SOUND-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: W 2 FT AT 5 SECONDS AND N 1 FOOT AT
3 SECONDS, BECOMING N 1 FOOT AT 3 SECONDS AND W 1 FOOT AT
5 SECONDS.
SAT NIGHT AND SUN
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SHOWERS.
MON NIGHT AND TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING S. SEAS 2 TO 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ234-091800-
BUZZARDS BAY-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND NE
1 FOOT AT 4 SECONDS.
SAT
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. SHOWERS.
MON NIGHT AND TUE
N WINDS 10 TO 15 KT, BECOMING S. GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
TUE NIGHT
W WINDS 15 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.
ANZ235-091800-
RHODE ISLAND SOUND-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SUN
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SUN NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. SHOWERS.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 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.
ANZ237-091800-
BLOCK ISLAND SOUND-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 6 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND NE
1 FOOT AT 3 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING N 1 FOOT
AT 2 SECONDS AND W 1 FOOT AT 3 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 2 SECONDS.
SUN
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SUN NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
TUE
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 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.
ANZ230-091800-
BOSTON HARBOR-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS AROUND 10 KT. WAVES AROUND 2 FT.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT NIGHT AND SUN
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN NIGHT
S WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. SHOWERS.
MON
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE AND TUE NIGHT
S WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT.
WAVES 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.
ANZ236-091800-
NARRAGANSETT BAY-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES 2 TO 3 FT.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SAT NIGHT AND SUN
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
MON NIGHT AND TUE
N WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT.
WAVES 2 TO 3 FT.
TUE NIGHT
W WINDS 15 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.
ANZ280-091800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS.
FRI NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 4 FT
AT 5 SECONDS AND E 1 FOOT AT 4 SECONDS.
SAT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND N 1 FOOT
AT 5 SECONDS.
SUN
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 4 SECONDS AND N 1 FOOT AT
4 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
SE AFTER MIDNIGHT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE AND TUE NIGHT
SE WINDS 10 TO 15 KT, BECOMING SW 15 TO
20 KT. GUSTS UP TO 25 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.
ANZ281-091800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT
NW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: N 4 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT NIGHT
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND N 1 FOOT AT 5 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
TUE
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ282-091800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND N 1 FOOT AT
4 SECONDS.
SAT
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 1 FOOT AT 4 SECONDS AND N 1 FOOT AT 5 SECONDS.
SUN
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
SUN NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER
MIDNIGHT. SHOWERS.
MON
N WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. SHOWERS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE NIGHT
W WINDS 15 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.
ANZ283-091800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 AM EDT FRI OCT 9 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. SHOWERS.
MON
N WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 7 TO
8 FT. A CHANCE OF SHOWERS.
MON NIGHT
N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TUE
NW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
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