250
FZUS51 KBOX 040805
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
404 AM EDT SUN OCT 4 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-042100-
404 AM EDT SUN OCT 4 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRESSURE WEAKENS AND MOVES AWAY FROM THE REGION SUN WITH
SHOWERS RETURNING TO THE SOUTHERN WATERS. WINDS FROM THE NE BETWEEN
15 AND 20 KT SUNDAY AFTERNOON WITH SCA CONDITIONS POSSIBLE FOR THE
OUTER SOUTHERN WATERS OVERNIGHT. HIGH PRES THEN BRINGS BLUSTERY NW
WINDS TO THE WATERS INTO EARLY NEXT WEEK.
ANZ250-042100-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
TONIGHT
E WINDS AROUND 5 KT, BECOMING N AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SE
1 FOOT AT 4 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 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 7 SECONDS AND SW 2 FT AT 13 SECONDS.
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 5 SECONDS AND E 3 FT AT 8 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
WED THROUGH THU 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.
ANZ251-042100-
MASSACHUSETTS BAY AND IPSWICH BAY-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
TONIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SE 2 FT AT
5 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: E 3 FT
AT 7 SECONDS AND S 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: E 4 FT AT 7 SECONDS AND W 3 FT AT
3 SECONDS.
TUE
W 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: N 3 FT
AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND N 2 FT AT 4 SECONDS.
WED THROUGH THU 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.
ANZ231-042100-
CAPE COD BAY-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS
AND SE 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS AROUND 5 KT, BECOMING N AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS
AND E 1 FOOT AT 10 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN
THE EVENING. VSBY 1 TO 3 NM.
MON
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 9 SECONDS AND N 1 FOOT AT 3 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 4 SECONDS AND E 2 FT AT
8 SECONDS.
TUE AND TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
WED THROUGH THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW
1 FOOT AT 4 SECONDS.
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.
ANZ254-042100-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 2 FT AT
5 SECONDS. A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS AND E 4 FT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY, MAINLY IN THE EVENING.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
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 5 FT AT
8 SECONDS AND W 2 FT AT 3 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: N
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 5 SECONDS AND NE 3 FT AT 7 SECONDS.
TUE NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS AND E
2 FT AT 8 SECONDS.
WED THROUGH THU 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.
ANZ255-042100-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 5 SECONDS. A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS. PATCHY FOG. SHOWERS
LIKELY IN THE EVENING. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND W
2 FT AT 3 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W
5 FT AT 5 SECONDS AND NE 3 FT AT 7 SECONDS.
TUE
NW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING.
SEAS 3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND E 2 FT AT
8 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS
AND E 2 FT AT 8 SECONDS.
WED THROUGH THU 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.
ANZ256-042100-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS AND
SE 1 FOOT AT 10 SECONDS. PATCHY FOG THIS AFTERNOON. SHOWERS
LIKELY THIS AFTERNOON.
TONIGHT
E WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS AND E
4 FT AT 10 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING.
VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 3 SECONDS AND
SE 3 FT AT 7 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: NW 5 FT AT 5 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: N 4 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 3 FT. WAVE
DETAIL: NW 3 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
WED THROUGH THU 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.
ANZ232-042100-
NANTUCKET SOUND-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 5 SECONDS. A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. VSBY 1 NM
OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
MON
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E 2 FT AT
8 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS
AND NE 2 FT AT 7 SECONDS.
TUE AND TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 3 FT AT 5 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED THROUGH THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND NW
1 FOOT AT 4 SECONDS.
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.
ANZ233-042100-
VINEYARD SOUND-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
11 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT, BECOMING W 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
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND N 1 FOOT AT
5 SECONDS.
TUE AND TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 5 SECONDS AND SW 1 FOOT AT 6 SECONDS.
WED THROUGH THU NIGHT
W 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
2 FT AT 7 SECONDS.
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.
ANZ234-042100-
BUZZARDS BAY-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND SE 1 FOOT
AT 11 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. VSBY
1 TO 3 NM.
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 NE 2 FT AT 6 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND SW 2 FT AT
5 SECONDS.
TUE AND TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND SW 1 FOOT AT 5 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 4 FT AT 4 SECONDS AND N 2 FT AT
6 SECONDS.
THU AND THU 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.
ANZ235-042100-
RHODE ISLAND SOUND-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT, BECOMING W 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 6 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS
AND SE 2 FT AT 8 SECONDS.
TUE AND TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 3 FT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
WED THROUGH THU NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND N 2 FT AT 7 SECONDS.
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.
ANZ237-042100-
BLOCK ISLAND SOUND-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING WITH VSBY
1 TO 3 NM.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND W 2 FT AT 3 SECONDS.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS.
TUE AND TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS.
WED THROUGH THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND N
2 FT AT 7 SECONDS.
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.
ANZ230-042100-
BOSTON HARBOR-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT THIS AFTERNOON. A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. PATCHY FOG. A CHANCE OF SHOWERS.
MON
W WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
TUE AND TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
WED THROUGH THU 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.
ANZ236-042100-
NARRAGANSETT BAY-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
AROUND 2 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE EVENING WITH
VSBY 1 TO 3 NM.
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 20 KT. WAVES
2 TO 3 FT.
TUE AND TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
W WINDS 15 TO 20 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.
ANZ280-042100-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND S 1 FOOT AT
5 SECONDS.
TONIGHT
E WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND SE
1 FOOT AT 5 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 7 SECONDS AND SW 2 FT AT 10 SECONDS.
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 5 SECONDS AND NE 4 FT AT
7 SECONDS.
TUE
NW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW
6 FT AT 6 SECONDS AND NE 3 FT AT 7 SECONDS.
TUE NIGHT
W WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT
AT 6 SECONDS AND SW 1 FOOT AT 6 SECONDS.
WED THROUGH THU 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.
ANZ281-042100-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 5 SECONDS AND E 4 FT AT 10 SECONDS.
A CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 10 TO 15 KT, BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND E
4 FT AT 6 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. A
CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT
8 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
MON NIGHT
NW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N
5 FT AT 7 SECONDS AND E 4 FT AT 8 SECONDS.
TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 5 FT AT 7 SECONDS AND S 2 FT AT 6 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: NW 4 FT AT 7 SECONDS AND SW 2 FT AT
6 SECONDS.
WED THROUGH THU 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.
ANZ282-042100-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND
E 5 FT AT 12 SECONDS. PATCHY FOG THIS AFTERNOON. SHOWERS LIKELY
THIS AFTERNOON.
TONIGHT
E WINDS AROUND 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS. PATCHY FOG. A CHANCE
OF TSTMS. SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. VSBY 1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT, BECOMING W 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS AROUND 4 FT. WAVE DETAIL: E 4 FT
AT 8 SECONDS AND NW 2 FT AT 3 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT, BUILDING TO
6 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND
NE 4 FT AT 7 SECONDS, BECOMING N 6 FT AT 7 SECONDS AND E 3 FT AT
8 SECONDS.
TUE
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: N 5 FT AT 7 SECONDS AND
SW 2 FT AT 5 SECONDS.
TUE NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS
AND NE 2 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 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.
ANZ283-042100-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
404 AM EDT SUN OCT 4 2026
TODAY
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND E 5 FT AT 10 SECONDS.
PATCHY FOG THIS AFTERNOON. SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 7 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. VSBY
1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 7 SECONDS AND NW 2 FT AT 3 SECONDS.
MON NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NW 6 FT AT 6 SECONDS AND E 4 FT AT
8 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 NE 2 FT AT 7 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: NW 3 FT AT 5 SECONDS AND NE 2 FT AT 7 SECONDS.
WED THROUGH THU 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.
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