754
FZUS51 KBOX 110203
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1003 PM EDT THU SEP 10 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-111500-
1003 PM EDT THU SEP 10 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
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.
ANZ250-111500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
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 2 FT AT
10 SECONDS.
FRI
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 3 SECONDS AND SE 2 FT AT 10 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND NW 1 FOOT AT
3 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
9 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 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: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY, MAINLY IN THE MORNING.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
BECOMING W AFTER MIDNIGHT. SEAS 2 TO 3 FT.
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.
ANZ251-111500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS AROUND 10 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
10 SECONDS.
FRI
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 10 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 7 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:
NW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS, BECOMING SE
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 9 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
E 1 FOOT AT 10 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 3 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS. 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.
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.
ANZ231-111500-
CAPE COD BAY-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
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 SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND E
1 FOOT AT 10 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, BECOMING SE 1 FOOT AT 3 SECONDS AND NE
1 FOOT AT 4 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 4 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: S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
6 SECONDS. PATCHY FOG. SHOWERS LIKELY, MAINLY IN THE MORNING.
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. 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.
ANZ254-111500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1003 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT FRIDAY
OVERNIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
3 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 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 E 2 FT AT
8 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 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. A CHANCE OF SHOWERS.
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.
ANZ255-111500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1003 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT FRIDAY
OVERNIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT, BECOMING NW
IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S 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.
ANZ256-111500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1003 PM EDT THU SEP 10 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT FRIDAY
OVERNIGHT
W WINDS AROUND 10 KT, BECOMING NW. GUSTS UP TO
20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE
1 FOOT AT 10 SECONDS.
FRI
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING W IN
THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS
AND SE 1 FOOT AT 10 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 SE 1 FOOT AT
10 SECONDS.
SAT
E WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 6 SECONDS AND SE 1 FOOT AT 10 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 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON THROUGH TUE NIGHT
S 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.
ANZ232-111500-
NANTUCKET SOUND-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS AROUND 10 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT, BECOMING NW
IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: NW 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: SW 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT
9 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: SW
1 FOOT AT 6 SECONDS AND E 1 FOOT AT 10 SECONDS, BECOMING SE
1 FOOT AT 5 SECONDS AND E 1 FOOT AT 10 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 3 SECONDS AND
SE 1 FOOT AT 9 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: S 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. 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.
ANZ233-111500-
VINEYARD SOUND-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS AROUND 10 KT. GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING W IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 7 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: SW 2 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 5 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 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. 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.
ANZ234-111500-
BUZZARDS BAY-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
FRI
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING SW IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 7 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: SW 2 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 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: S 2 FT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY. 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. 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.
ANZ235-111500-
RHODE ISLAND SOUND-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING SW IN
THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 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: S 2 FT AT 6 SECONDS AND SE 1 FOOT AT
10 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 SE 1 FOOT AT
10 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 6 SECONDS AND
SE 1 FOOT AT 10 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 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
W WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT.
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.
ANZ237-111500-
BLOCK ISLAND SOUND-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 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: SW 2 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY
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: S 3 FT AT 6 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE
OF SHOWERS IN THE AFTERNOON. PATCHY FOG IN THE MORNING WITH VSBY
1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
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.
ANZ230-111500-
BOSTON HARBOR-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
FRI
NW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT, BECOMING W
IN THE AFTERNOON. WAVES AROUND 2 FT.
FRI NIGHT
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. 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.
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.
ANZ236-111500-
NARRAGANSETT BAY-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 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 SE IN THE AFTERNOON. WAVES
AROUND 2 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
SUN
SE WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. WAVES AROUND 2 FT. SHOWERS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
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.
ANZ280-111500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
10 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, BECOMING W AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. 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.
ANZ281-111500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS.
FRI
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NW 4 FT AT 7 SECONDS AND SE 1 FOOT AT
10 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 E 2 FT AT
10 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND SE 2 FT AT
9 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
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING. SHOWERS LIKELY IN
THE AFTERNOON. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ282-111500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
FRI
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
FRI NIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON. VSBY 1 TO 3 NM.
SUN NIGHT
SW WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
MON THROUGH TUE NIGHT
SE 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.
ANZ283-111500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1003 PM EDT THU SEP 10 2026
OVERNIGHT
W WINDS 10 TO 15 KT, BECOMING NW. GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
FRI
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. SEAS
3 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND SE 1 FOOT AT
10 SECONDS.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 1 FOOT AT
10 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 SE 1 FOOT AT
10 SECONDS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 1 FOOT 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 4 TO 6 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY. PATCHY FOG IN THE
AFTERNOON WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS IN THE EVENING.
MON THROUGH TUE NIGHT
S 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.
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