411
FZUS51 KBOX 111704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT FRI SEP 11 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-120600-
104 PM EDT FRI SEP 11 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS ACROSS THE WATERS TODAY 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 BUILDING
ACROSS THE WATERS MON INTO TUE.
ANZ250-120600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND S 1 FOOT AT
5 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS
AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
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 N 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING
W AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
9 SECONDS AND SE 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ251-120600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT AT
4 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND N 1 FOOT
AT 4 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS, BECOMING E 1 FOOT
AT 3 SECONDS AND NW 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: E 2 FT AT 3 SECONDS AND N
1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND SW 1 FOOT AT
2 SECONDS.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ231-120600-
CAPE COD BAY-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS, BECOMING NE 1 FOOT
AT 3 SECONDS AND SE 1 FOOT AT 6 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 2 SECONDS AND N 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND
SW 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ254-120600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND S 2 FT AT
6 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND
N 1 FOOT AT 4 SECONDS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND N 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
BECOMING W AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG IN THE EVENING.
A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ255-120600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS IN THE MORNING. SHOWERS LIKELY IN
THE AFTERNOON. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
EVENING. SHOWERS LIKELY IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ256-120600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: S 3 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND W 1 FOOT AT
2 SECONDS.
SAT
E WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND
NW 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND
W 1 FOOT AT 3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO
3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
MON THROUGH TUE
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TUE NIGHT
S WINDS AROUND 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.
ANZ232-120600-
NANTUCKET SOUND-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT
3 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS, BECOMING E 1 FOOT
AT 2 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND
N 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS IN THE MORNING. SHOWERS LIKELY IN
THE AFTERNOON. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ233-120600-
VINEYARD SOUND-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND N 1 FOOT AT 2 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND W 1 FOOT AT
2 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
SE WINDS AROUND 10 KT, BECOMING S IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND
NW 1 FOOT AT 3 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE
MORNING. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S 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.
ANZ234-120600-
BUZZARDS BAY-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND SW 1 FOOT AT
3 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 6 SECONDS, BECOMING E 1 FOOT
AT 2 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 4 SECONDS AND NW 1 FOOT AT 2 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 3 FT AT 4 SECONDS AND NW 2 FT AT 5 SECONDS.
PATCHY FOG. SHOWERS, MAINLY IN THE MORNING. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE
1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ235-120600-
RHODE ISLAND SOUND-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 6 SECONDS AND N 1 FOOT AT 2 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND W 1 FOOT AT
2 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND
W 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
SE WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
W 1 FOOT AT 3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SW
1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 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.
ANZ237-120600-
BLOCK ISLAND SOUND-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS AND W 1 FOOT AT 2 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND W 1 FOOT AT
2 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
2 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
S WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS
AND SW 1 FOOT AT 2 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE
MORNING WITH VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
MON THROUGH TUE NIGHT
S WINDS 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.
ANZ230-120600-
BOSTON HARBOR-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. WAVES AROUND 2 FT.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
SAT 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.
SUN
SE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. PATCHY FOG. SHOWERS IN THE MORNING. SHOWERS LIKELY IN THE
AFTERNOON. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S 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.
ANZ236-120600-
NARRAGANSETT BAY-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
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. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
SE WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. WAVES AROUND 2 FT. PATCHY FOG. SHOWERS IN THE
MORNING. SHOWERS LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS IN
THE MORNING.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S 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.
ANZ280-120600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND S 2 FT AT
7 SECONDS.
TONIGHT
W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND S 2 FT AT
7 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND NE 1 FOOT AT
6 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND N 1 FOOT AT
3 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND W 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
W AFTER MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT
5 SECONDS AND SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 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.
ANZ281-120600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 2 FT AT
5 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS.
SUN
SE 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 2 FT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG IN THE EVENING.
A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ282-120600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT AT 5 SECONDS.
TONIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
5 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS.
PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG IN THE
EVENING. A CHANCE OF SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
SE WINDS 10 TO 15 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.
ANZ283-120600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT FRI SEP 11 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: S 3 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS.
TONIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
S WINDS AROUND 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND
W 2 FT AT 3 SECONDS. SHOWERS LIKELY. PATCHY FOG IN THE AFTERNOON
WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SE 3 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
MON THROUGH TUE
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
TUE 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.
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