796
FZUS51 KBOX 311404
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT FRI OCT 31 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-010300-
1004 AM EDT FRI OCT 31 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
STRONG LOW PRES WILL MOVE N PAST SRN NEW ENGLAND TONIGHT, THEN NRN
NEW ENGLAND FRI, REACHING THE MARITIMES BY SAT. STRONG WINDS DEVELOP
BEHIND THIS LOW PRES FRI INTO FRI NIGHT. HIGH PRES WILL BUILD OVER
THE WATERS SUN, THEN MOVE OFFSHORE MON AS A COLD FRONT APPROACHES
FROM THE NW. A WEAK HIGH PRES EXPECTED FOR TUE.
ANZ250-010300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT FRI OCT 31 2025
...STORM WARNING IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...
THIS AFTERNOON
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 7 TO 10 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND SW 6 FT
AT 5 SECONDS.
TONIGHT
W WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 8 TO
11 FT. WAVE DETAIL: W 10 FT AT 7 SECONDS AND E 8 FT AT
10 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT, DIMINISHING TO
20 TO 25 KT WITH GUSTS UP TO 35 KT IN THE AFTERNOON. SEAS 7 TO
10 FT, SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: W
8 FT AT 6 SECONDS AND E 4 FT AT 11 SECONDS, BECOMING W 7 FT AT
6 SECONDS AND E 3 FT AT 11 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 4 TO
6 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND E 3 FT AT 11 SECONDS.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. SHOWERS LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 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.
ANZ251-010300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY MORNING
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND SW 4 FT AT
5 SECONDS.
TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND SW 6 FT AT 5 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 4 TO
6 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
3 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. SHOWERS LIKELY.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 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.
ANZ231-010300-
CAPE COD BAY-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 3 FT AT
7 SECONDS.
TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
7 FT. WAVE DETAIL: W 7 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 4 TO
6 FT, SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: W
5 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS, BECOMING W 4 FT AT
5 SECONDS AND E 2 FT AT 11 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 2 FT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. SHOWERS LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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.
ANZ254-010300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT FRI OCT 31 2025
...STORM WARNING IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...
THIS AFTERNOON
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
SEAS 8 TO 11 FT, BUILDING TO 9 TO 13 FT. WAVE DETAIL: E 10 FT AT
10 SECONDS AND SW 5 FT AT 5 SECONDS, BECOMING SE 10 FT AT
10 SECONDS AND SW 9 FT AT 6 SECONDS.
TONIGHT
W WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 10 TO
14 FT, EXCEPT 14 TO 19 FT S AND E OF NANTUCKET. WAVE DETAIL: SE
10 FT AT 10 SECONDS AND W 9 FT AT 7 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT, DIMINISHING TO
20 TO 25 KT WITH GUSTS UP TO 35 KT IN THE AFTERNOON. SEAS 9 TO
12 FT, SUBSIDING TO 6 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: W
9 FT AT 6 SECONDS AND S 5 FT AT 14 SECONDS, BECOMING W 8 FT AT
6 SECONDS AND SE 4 FT AT 12 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 5 TO
7 FT, SUBSIDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: NW 6 FT
AT 6 SECONDS AND SE 4 FT AT 11 SECONDS, BECOMING NW 4 FT AT
6 SECONDS AND SE 3 FT AT 11 SECONDS.
SUN AND SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: NW 3 FT AT 6 SECONDS AND S 2 FT AT 10 SECONDS.
MON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND S 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. SHOWERS LIKELY.
TUE NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 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.
ANZ255-010300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT FRI OCT 31 2025
...STORM WARNING IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...
THIS AFTERNOON
SW WINDS 25 TO 30 KT. GUSTS UP TO 40 KT,
INCREASING TO 50 KT. SEAS 9 TO 12 FT, BUILDING TO 12 TO 16 FT.
WAVE DETAIL: SW 9 FT AT 7 SECONDS AND SE 8 FT AT 10 SECONDS,
BECOMING SW 15 FT AT 9 SECONDS AND SE 8 FT AT 10 SECONDS.
TONIGHT
W WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 14 TO
19 FT. WAVE DETAIL: SW 18 FT AT 10 SECONDS AND S 6 FT AT
15 SECONDS.
SAT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 40 KT. SEAS 10 TO 14 FT, SUBSIDING TO 7 TO
10 FT IN THE AFTERNOON. WAVE DETAIL: W 14 FT AT 10 SECONDS AND S
6 FT AT 13 SECONDS, BECOMING W 10 FT AT 9 SECONDS AND S 5 FT AT
12 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 15 TO 20 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: W 8 FT AT 8 SECONDS AND S 3 FT
AT 11 SECONDS, BECOMING W 6 FT AT 7 SECONDS AND S 3 FT AT
10 SECONDS.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: W 4 FT AT 7 SECONDS AND S 2 FT AT 10 SECONDS.
MON
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND S 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. SHOWERS
LIKELY.
TUE
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 25 TO 35 KT. SEAS 6 TO 9 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.
ANZ256-010300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT FRI OCT 31 2025
...STORM WARNING IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...
THIS AFTERNOON
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
SEAS 10 TO 12 FT, BUILDING TO 12 TO 16 FT. WAVE DETAIL: SW 10 FT
AT 7 SECONDS AND SE 8 FT AT 10 SECONDS, BECOMING SW 14 FT AT
9 SECONDS AND SE 7 FT AT 10 SECONDS.
TONIGHT
W WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 13 TO
18 FT. WAVE DETAIL: W 17 FT AT 9 SECONDS AND SE 5 FT AT
10 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 9 TO
13 FT, SUBSIDING TO 7 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: W
12 FT AT 9 SECONDS AND S 5 FT AT 13 SECONDS, BECOMING W 9 FT AT
8 SECONDS AND S 4 FT AT 12 SECONDS.
SAT NIGHT
NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE
EVENING. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT.
WAVE DETAIL: W 6 FT AT 7 SECONDS AND S 3 FT AT 11 SECONDS,
BECOMING NW 5 FT AT 6 SECONDS AND S 3 FT AT 10 SECONDS.
SUN
NW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT
AT 5 SECONDS AND S 2 FT AT 10 SECONDS.
SUN NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND S 2 FT AT
9 SECONDS.
MON
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. SHOWERS
LIKELY.
TUE
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 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.
ANZ232-010300-
NANTUCKET SOUND-
1004 AM EDT FRI OCT 31 2025
...STORM WARNING IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...
THIS AFTERNOON
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
SEAS 6 TO 9 FT. WAVE DETAIL: SW 7 FT AT 6 SECONDS AND SE 4 FT AT
10 SECONDS.
TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 50 KT. SEAS 7 TO
10 FT. WAVE DETAIL: W 8 FT AT 6 SECONDS AND SE 3 FT AT
10 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 5 TO
8 FT, SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: W
7 FT AT 6 SECONDS AND SE 2 FT AT 11 SECONDS, BECOMING W 5 FT AT
5 SECONDS AND SE 2 FT AT 11 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 2 FT AT 11 SECONDS.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT 11 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. SHOWERS
LIKELY.
TUE
NW WINDS 25 TO 30 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 25 TO 30 KT. SEAS 3 TO 5 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.
ANZ233-010300-
VINEYARD SOUND-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
SEAS 5 TO 8 FT, BUILDING TO 7 TO 10 FT. WAVE DETAIL: SW 6 FT AT
6 SECONDS AND S 5 FT AT 9 SECONDS, BECOMING SW 10 FT AT 8 SECONDS
AND S 5 FT AT 10 SECONDS.
TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 9 TO
12 FT. WAVE DETAIL: SW 11 FT AT 8 SECONDS AND S 4 FT AT
10 SECONDS.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 6 TO
9 FT, SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: SW
9 FT AT 8 SECONDS AND S 4 FT AT 14 SECONDS, BECOMING SW 6 FT AT
8 SECONDS AND S 3 FT AT 12 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: W
4 FT AT 7 SECONDS AND S 2 FT AT 11 SECONDS.
SUN AND SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 6 SECONDS AND S 1 FOOT AT 10 SECONDS.
MON
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND S 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. SHOWERS
LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 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.
ANZ234-010300-
BUZZARDS BAY-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SE 3 FT AT
8 SECONDS.
TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND S 3 FT AT 10 SECONDS.
SAT
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 8 SECONDS AND S 3 FT AT 14 SECONDS.
SAT NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND S
2 FT AT 11 SECONDS.
SUN AND SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS.
MON
SE 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
8 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. SHOWERS
LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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.
ANZ235-010300-
RHODE ISLAND SOUND-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
SEAS 6 TO 9 FT, BUILDING TO 8 TO 11 FT. WAVE DETAIL: S 8 FT AT
9 SECONDS AND SW 7 FT AT 7 SECONDS, BECOMING SW 11 FT AT
8 SECONDS AND S 9 FT AT 10 SECONDS.
TONIGHT
W WINDS 30 TO 35 KT, BECOMING 25 TO 35 KT AFTER
MIDNIGHT. GUSTS UP TO 45 KT. SEAS 10 TO 14 FT. WAVE DETAIL: SW
14 FT AT 9 SECONDS AND S 9 FT AT 10 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 7 TO
10 FT, SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: W
10 FT AT 8 SECONDS AND S 5 FT AT 14 SECONDS, BECOMING W 7 FT AT
8 SECONDS AND S 4 FT AT 12 SECONDS.
SAT NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: W 5 FT AT
7 SECONDS AND S 3 FT AT 11 SECONDS, BECOMING W 4 FT AT 7 SECONDS
AND S 2 FT AT 10 SECONDS.
SUN
NW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 6 SECONDS AND S 2 FT AT 10 SECONDS.
SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 6 SECONDS AND S 2 FT AT 9 SECONDS.
MON
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS
LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 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.
ANZ237-010300-
BLOCK ISLAND SOUND-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
W WINDS 25 TO 30 KT. GUSTS UP TO 35 KT,
INCREASING TO 45 KT. SEAS 6 TO 9 FT, BUILDING TO 8 TO 11 FT. WAVE
DETAIL: SE 7 FT AT 9 SECONDS AND SW 6 FT AT 5 SECONDS, BECOMING W
7 FT AT 6 SECONDS AND S 7 FT AT 9 SECONDS.
TONIGHT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 8 TO
11 FT. WAVE DETAIL: W 8 FT AT 7 SECONDS AND S 7 FT AT 10 SECONDS.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT, DIMINISHING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 6 TO
9 FT, SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: W
6 FT AT 6 SECONDS AND S 5 FT AT 10 SECONDS, BECOMING W 5 FT AT
5 SECONDS AND S 4 FT AT 12 SECONDS.
SAT NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: W 4 FT AT 5 SECONDS AND S 3 FT AT 11 SECONDS.
SUN
NW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND S 2 FT AT 10 SECONDS.
SUN NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. SHOWERS
LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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.
ANZ230-010300-
BOSTON HARBOR-
1004 AM EDT FRI OCT 31 2025
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
SATURDAY MORNING...
THIS AFTERNOON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT.
WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE.
TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 45 KT. WAVES
AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE.
SAT
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 35 KT. WAVES AROUND 2 FT.
SAT NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES AROUND 2 FT. SHOWERS
LIKELY.
TUE
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ236-010300-
NARRAGANSETT BAY-
1004 AM EDT FRI OCT 31 2025
..GALE WARNING IN EFFECT THROUGH SATURDAY MORNING
THIS AFTERNOON
SW WINDS 15 TO 20 KT, BECOMING W 20 TO 25 KT.
GUSTS UP TO 40 KT. WAVES 4 TO 6 FT. AT THE BAY ENTRANCE, WAVES
5 TO 7 FT, BUILDING TO 6 TO 9 FT.
TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 45 KT. WAVES 5 TO
7 FT, EXCEPT 7 TO 10 FT AT THE BAY ENTRANCE.
SAT
W WINDS 15 TO 20 KT. GUSTS UP TO 35 KT, DECREASING TO
25 KT IN THE AFTERNOON. WAVES 3 TO 5 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SUN AND SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON
S WINDS 10 TO 15 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT. SHOWERS LIKELY.
TUE
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
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.
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