402
FZUS51 KBOX 090503
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
102 AM EDT THU OCT 9 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-091800-
102 AM EDT THU OCT 9 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
BREEZY NORTHWEST WINDS BEHIND A COLD FRONT THIS AFTERNOON INTO THIS
EVENING. ANOTHER HIGH PRESSURE SYSTEM ARRIVES FROM THE NORTHWEST
TONIGHT INTO THURSDAY, WITH EASING WINDS, THEN MOVES OVER THE NORTH
ATLANTIC THIS WEEKEND. A COASTAL LOW PRESSURE SYSTEM MAY MOVE UP THE
EAST COAST LATE WEEKEND INTO EARLY NEXT WEEK.
ANZ250-091800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
N WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS.
THU
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS
AND NW 1 FOOT AT 3 SECONDS.
FRI NIGHT AND SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 2 FT
AT 7 SECONDS.
SAT NIGHT
S WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 11 SECONDS AND S 1 FOOT AT
3 SECONDS.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 11 TO
15 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
10 TO 14 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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 4 FT AT 6 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND NW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 6 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 11 SECONDS AND SW 1 FOOT AT 2 SECONDS.
SUN
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. A CHANCE OF SHOWERS.
MON AND MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 4 FT AT 6 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS
AND NE 1 FOOT AT 6 SECONDS, BECOMING SW 1 FOOT AT 2 SECONDS AND
NE 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
SUN NIGHT AND MON
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 4 TO 6 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: N 6 FT AT 6 SECONDS.
THU
N WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. WAVE DETAIL: N 6 FT
AT 7 SECONDS.
THU NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 7 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
SAT
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT.
SUN
E WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
SUN NIGHT
E WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 13 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON
E WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 12 TO
16 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON NIGHT
E WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
10 TO 14 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: NW 5 FT AT 6 SECONDS AND E 4 FT AT 7 SECONDS.
THU
N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 5 FT
AT 5 SECONDS AND E 4 FT AT 6 SECONDS.
THU NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS.
FRI
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 7 SECONDS AND NW 1 FOOT AT
4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT
S WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO
3 TO 5 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO
9 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
SUN NIGHT
NE WINDS 35 TO 45 KT. SEAS 10 TO 14 FT. SHOWERS
LIKELY. VSBY 1 TO 3 NM.
MON
E WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
16 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 14 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: NW 6 FT AT 5 SECONDS AND E 4 FT AT 7 SECONDS.
THU
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT AT 6 SECONDS AND
NW 5 FT AT 6 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND W
2 FT AT 5 SECONDS.
FRI
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND NW 1 FOOT AT
4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT 2 SECONDS.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 10 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS 30 TO 40 KT. SEAS 7 TO 10 FT. A CHANCE OF
SHOWERS. VSBY 1 TO 3 NM.
SUN NIGHT
NE WINDS 35 TO 45 KT. SEAS 11 TO 15 FT. SHOWERS
LIKELY. VSBY 1 TO 3 NM.
MON
NE WINDS 35 TO 45 KT. SEAS 13 TO 18 FT. SHOWERS LIKELY.
VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
10 TO 14 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: N 3 FT AT 6 SECONDS.
THU
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS.
THU NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND E 1 FOOT AT 7 SECONDS.
SAT AND SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 4 SECONDS AND SW 1 FOOT AT 2 SECONDS.
SUN
E WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
5 TO 8 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON
E WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
6 TO 9 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
W 1 FOOT AT 5 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT AND SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND SW 1 FOOT AT
3 SECONDS.
SUN
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON
NE WINDS 30 TO 35 KT. SEAS 6 TO 9 FT. SHOWERS LIKELY. VSBY
1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
WAVE DETAIL: NE 2 FT AT 4 SECONDS AND W 1 FOOT AT 6 SECONDS,
BECOMING N 1 FOOT AT 4 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS.
SAT AND SAT NIGHT
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 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.
ANZ235-091800-
RHODE ISLAND SOUND-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND SE 2 FT AT
7 SECONDS.
THU
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND E 3 FT AT 6 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND W 2 FT AT 6 SECONDS.
FRI
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND NW 1 FOOT AT 5 SECONDS, BECOMING NW 1 FOOT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
9 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS 30 TO 35 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 30 TO 40 KT. SEAS 7 TO 10 FT. SHOWERS
LIKELY. VSBY 1 TO 3 NM.
MON
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND SE 2 FT AT
7 SECONDS.
THU
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
3 FT AT 5 SECONDS AND E 3 FT AT 6 SECONDS.
THU NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND
SW 1 FOOT AT 6 SECONDS.
FRI
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND NW 1 FOOT AT
5 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 30 TO 40 KT. SEAS 8 TO 11 FT. SHOWERS
LIKELY. VSBY 1 TO 3 NM.
MON
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.
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-
102 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
THU
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
THU NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
FRI
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT AND SAT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT NIGHT
S WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SUN
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
3 TO 5 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 4 TO
6 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
6 TO 9 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-
102 AM EDT THU OCT 9 2025
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
THU
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
N WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT AND SAT NIGHT
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SUN
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
4 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
4 TO 6 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON AND MON NIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO
25 KT. WAVES 5 TO 7 FT, EXCEPT 7 TO 10 FT AT THE BAY ENTRANCE. A
CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page