865
FZUS51 KBOX 101704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 PM EDT THU SEP 10 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-110600-
103 PM EDT THU SEP 10 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT CROSSES THE REGION THIS MORNING WITH GUSTY WSW WINDS.
HIGH PRES THEN BUILDS BEHIND THIS FRONT FRI INTO SAT. THIS HIGH WILL
SHIFT EAST OF THE WATERS BY SUN AS A WARM FRONT CROSSES THE REGION.
A COLD FRONT QUICKLY FOLLOWS SUN NIGHT WITH HIGH PRES NOSING IN FROM
THE WEST BY MON.
ANZ250-110600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 3 FT AT 3 SECONDS AND W 2 FT AT 4 SECONDS.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT
3 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 5 TO 10 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.
ANZ251-110600-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
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.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI NIGHT
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS, BECOMING SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SCATTERED SHOWERS AFTER MIDNIGHT.
SUN
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE 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.
ANZ231-110600-
CAPE COD BAY-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND W 1 FOOT AT 3 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SUN
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SCATTERED
SHOWERS.
MON AND MON NIGHT
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT,
BECOMING NE. SEAS AROUND 2 FT, THEN 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.
ANZ254-110600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT FRIDAY
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND N 2 FT AT 3 SECONDS.
FRI
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS AND
N 2 FT AT 3 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT 5 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING NE 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.
ANZ255-110600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT
8 SECONDS AND N 3 FT AT 3 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND N 3 FT AT 3 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. SCATTERED
SHOWERS.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING NE 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.
ANZ256-110600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO 4 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS, BECOMING N 4 FT AT 3 SECONDS AND SW 4 FT AT
7 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND N 3 FT AT
3 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND SE 1 FOOT AT 3 SECONDS. SCATTERED SHOWERS
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. NUMEROUS SHOWERS.
SUN NIGHT AND MON
W WINDS AROUND 10 KT, BECOMING NW. SEAS 2 TO
4 FT.
MON NIGHT
NE WINDS 10 TO 15 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.
ANZ232-110600-
NANTUCKET SOUND-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 3 SECONDS AND
W 3 FT AT 6 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND W 1 FOOT AT
5 SECONDS.
SAT AND SAT NIGHT
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. SCATTERED
SHOWERS.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING NE 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.
ANZ233-110600-
VINEYARD SOUND-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND SE 1 FOOT
AT 4 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
8 SECONDS AND N 3 FT AT 3 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND W 2 FT AT
7 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE 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.
ANZ234-110600-
BUZZARDS BAY-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 3 SECONDS AND SW 3 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND W 2 FT AT
7 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
4 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 2 SECONDS AND SW
1 FOOT AT 7 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP
TO 20 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.
ANZ235-110600-
RHODE ISLAND SOUND-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND SE 2 FT AT
10 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT
7 SECONDS AND N 4 FT AT 3 SECONDS.
FRI
N WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 2 FT AT
3 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND NE 1 FOOT AT
4 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 3 SECONDS AND S 2 FT AT 6 SECONDS. SCATTERED SHOWERS
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE 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.
ANZ237-110600-
BLOCK ISLAND SOUND-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND N 3 FT AT 3 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 7 SECONDS AND N 2 FT AT 3 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND SE 1 FOOT AT 3 SECONDS. SCATTERED SHOWERS
AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE 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.
ANZ230-110600-
BOSTON HARBOR-
103 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
SCATTERED SHOWERS AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE 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.
ANZ236-110600-
NARRAGANSETT BAY-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. WAVES
AROUND 2 FT.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SAT
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
AROUND 2 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. SCATTERED SHOWERS AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. NUMEROUS SHOWERS.
SUN NIGHT THROUGH MON NIGHT
NE 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.
ANZ280-110600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND E 2 FT AT
8 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
SAT AND SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND W 2 FT AT
5 SECONDS.
SUN AND SUN NIGHT
S WINDS 10 TO 15 KT, BECOMING SW. GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE
3 FT AT 9 SECONDS. SCATTERED SHOWERS.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING N. 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.
ANZ281-110600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS
AND N 1 FOOT AT 3 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT
AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND N 1 FOOT AT 5 SECONDS.
SUN AND SUN NIGHT
S WINDS 10 TO 15 KT, BECOMING SW. GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE
3 FT AT 9 SECONDS. SCATTERED SHOWERS.
MON AND MON NIGHT
NW WINDS AROUND 10 KT WITH GUSTS UP TO
20 KT, BECOMING NE. 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.
ANZ282-110600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT
8 SECONDS AND N 2 FT AT 3 SECONDS.
FRI
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND N 2 FT AT 3 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT
AT 4 SECONDS.
SAT AND SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND NE 1 FOOT AT 6 SECONDS.
SUN AND SUN NIGHT
S WINDS AROUND 10 KT, BECOMING SW. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. SCATTERED SHOWERS.
MON AND MON NIGHT
NW WINDS AROUND 10 KT, BECOMING NE. 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.
ANZ283-110600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 PM EDT THU SEP 10 2026
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND SE 1 FOOT
AT 5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT
7 SECONDS AND N 4 FT AT 3 SECONDS.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT
AT 7 SECONDS AND N 3 FT AT 3 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 5 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN
S WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS AND SE 3 FT AT 10 SECONDS. NUMEROUS SHOWERS.
SUN NIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. SCATTERED
SHOWERS.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING NE. 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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