995
FZUS51 KBOX 050205
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 PM EDT SUN OCT 4 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-051500-
1005 PM EDT SUN OCT 4 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
AREAS OF SHOWERS AND EVEN AN ISOLATED THUNDERSTORM OR TWO
ARRIVE TO THE WATERS THIS AFTERNOON AND OVERNIGHT. E WINDS INCREASE
TO BETWEEN 15 AND 20 KT BEFORE RAPIDLY SWITCHING TO THE W MONDAY
MORNING. CHANCE OF SCA CONDITIONS INCREASE MONDAY NIGHT AND
TUESDAY. HIGH PRES THEN BRINGS BLUSTERY NW WINDS TO THE WATERS INTO
EARLY NEXT WEEK. CALMER CONDITIONS ARRIVE AS THE HIGH PRESSURE MOVES
OVERHEAD WEDNESDAY AND THURSDAY.
ANZ250-051500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 PM EDT SUN OCT 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT MONDAY THROUGH
TUESDAY AFTERNOON...
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING N. SEAS 2 TO 4 FT.
WAVE DETAIL: E 3 FT AT 8 SECONDS AND SE 1 FOOT AT 4 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS THIS EVENING. VSBY 1 TO 3 NM.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT
AT 7 SECONDS AND W 2 FT AT 3 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 5 FT. WAVE DETAIL:
NW 4 FT AT 5 SECONDS AND E 4 FT AT 8 SECONDS.
TUE
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT
AT 6 SECONDS AND N 2 FT AT 5 SECONDS.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND N 1 FOOT AT
4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ251-051500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING N AROUND 5 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS THIS EVENING.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND W 2 FT AT 3 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND W 3 FT AT
4 SECONDS.
TUE
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND SW 1 FOOT AT 5 SECONDS.
WED AND WED NIGHT
SW 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 W 1 FOOT AT
3 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ231-051500-
CAPE COD BAY-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 3 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
4 SECONDS.
TUE
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND N 1 FOOT AT
5 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ254-051500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 PM EDT SUN OCT 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT MONDAY THROUGH
TUESDAY AFTERNOON...
OVERNIGHT
E WINDS 5 TO 10 KT, BECOMING N. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY
FOG. SHOWERS THIS EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR
LESS.
MON
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT
8 SECONDS AND W 2 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING WITH
VSBY 1 TO 3 NM.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND E 4 FT AT
8 SECONDS.
TUE
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
4 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
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: SW
3 FT AT 6 SECONDS AND N 2 FT AT 6 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 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
5 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ255-051500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 PM EDT SUN OCT 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY AFTERNOON...
OVERNIGHT
NE WINDS AROUND 10 KT, BECOMING N. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
PATCHY FOG. SHOWERS LIKELY THIS EVENING. VSBY 1 TO 3 NM,
DECREASING TO 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND E 3 FT AT 6 SECONDS. PATCHY FOG IN THE MORNING.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: NW 6 FT AT 6 SECONDS AND SE 3 FT AT
7 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 6 SECONDS AND N 1 FOOT AT 6 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND N 1 FOOT AT
4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ256-051500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 PM EDT SUN OCT 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY AFTERNOON...
OVERNIGHT
NE WINDS 10 TO 15 KT, BECOMING N. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 3 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND E 3 FT AT 6 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND NE 2 FT AT
5 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND NE 2 FT AT 6 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND N
1 FOOT AT 6 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ232-051500-
NANTUCKET SOUND-
1005 PM EDT SUN OCT 4 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
LATE MONDAY NIGHT...
OVERNIGHT
NE WINDS 5 TO 10 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: NE 2 FT AT 4 SECONDS AND SE 1 FOOT AT 4 SECONDS.
PATCHY FOG. SHOWERS LIKELY THIS EVENING. VSBY 1 NM OR LESS.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING W
10 TO 15 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS AND SW 1 FOOT AT 7 SECONDS.
TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND N 1 FOOT
AT 3 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ233-051500-
VINEYARD SOUND-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS 5 TO 10 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 4 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 6 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E 1 FOOT AT
6 SECONDS.
TUE
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND N
2 FT AT 5 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND N 2 FT AT 4 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 4 SECONDS AND SW 3 FT AT 5 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ234-051500-
BUZZARDS BAY-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 6 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND NE 1 FOOT AT
5 SECONDS.
TUE
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND N
2 FT AT 6 SECONDS.
TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
WAVE DETAIL: SW 2 FT AT 5 SECONDS AND N 2 FT AT 6 SECONDS,
BECOMING NW 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 8 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS AND SW 3 FT AT
4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ235-051500-
RHODE ISLAND SOUND-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS 5 TO 10 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: E 2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A
CHANCE OF SHOWERS.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND
SE 2 FT AT 7 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
4 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING W
10 TO 15 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND SW 2 FT AT 5 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 4 SECONDS AND SW 3 FT AT 5 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ237-051500-
BLOCK ISLAND SOUND-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS 5 TO 10 KT, BECOMING N. SEAS 2 TO 3 FT.
WAVE DETAIL: NE 2 FT AT 4 SECONDS AND SE 2 FT AT 6 SECONDS. A
CHANCE OF SHOWERS.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E
2 FT AT 6 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
TUE
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT
3 SECONDS AND N 1 FOOT AT 6 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ230-051500-
BOSTON HARBOR-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS AROUND 5 KT, BECOMING NW. WAVES 1 FOOT OR
LESS. A CHANCE OF SHOWERS.
MON
W WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
THU THROUGH FRI NIGHT
W 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.
ANZ236-051500-
NARRAGANSETT BAY-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
MON
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT.
TUE
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES AROUND 2 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ280-051500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
SE WINDS 5 TO 10 KT, BECOMING N. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT
AT 7 SECONDS AND W 3 FT AT 3 SECONDS. PATCHY FOG IN THE MORNING.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND E 4 FT AT
8 SECONDS.
TUE
NW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
6 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT, SUBSIDING TO
2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: NW 4 FT AT 6 SECONDS AND S
1 FOOT AT 6 SECONDS, BECOMING W 3 FT AT 5 SECONDS AND N 1 FOOT AT
6 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND N 1 FOOT AT
5 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 15 TO 20 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.
ANZ281-051500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
E WINDS AROUND 10 KT, BECOMING N. SEAS 4 TO 5 FT.
WAVE DETAIL: E 4 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF
TSTMS. SHOWERS, THEN A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND SW 2 FT AT
5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND E 3 FT AT
8 SECONDS.
TUE
NW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
6 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
NW 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
7 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND N 1 FOOT AT
6 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ282-051500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS 10 TO 15 KT, BECOMING N. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
PATCHY FOG. A SLIGHT CHANCE OF TSTMS. SHOWERS LIKELY, THEN A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NW WINDS AROUND 10 KT, BECOMING W 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT
AT 7 SECONDS AND W 3 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND E 3 FT AT
8 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND N 2 FT AT 7 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS
AND N 2 FT AT 6 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ283-051500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 PM EDT SUN OCT 4 2026
OVERNIGHT
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND
N 1 FOOT AT 3 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT
5 SECONDS AND E 4 FT AT 7 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. WAVE DETAIL: NW 6 FT AT 5 SECONDS AND NE 3 FT AT
3 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NW 5 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
NW 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 AND E 2 FT AT 8 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND N 1 FOOT AT
4 SECONDS.
THU THROUGH FRI NIGHT
W 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.
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