296
FZUS51 KBOX 132305
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
705 PM EDT SUN SEP 13 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-141200-
705 PM EDT SUN SEP 13 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT QUICKLY MOVES THROUGH THE WATERS LATE TONIGHT WITH HIGH
PRES BUILDING ACROSS THE WATERS MON INTO TUE. THIS HIGH WILL THEN
SHIFT EAST OF THE WATERS WED INTO THU AS OUR NEXT COLD FRONT
APPROACHES FROM THE WEST.
ANZ250-141200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
N WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND W 1 FOOT AT
3 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS EVENING.
VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT 5 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 2 FT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND S 2 FT AT 6 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT AND FRI
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 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.
ANZ251-141200-
MASSACHUSETTS BAY AND IPSWICH BAY-
705 PM EDT SUN SEP 13 2026
TONIGHT
S WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
4 SECONDS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 2 FT AT
4 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING E
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND S 2 FT AT 6 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU NIGHT AND FRI
SW WINDS AROUND 10 KT, BECOMING N. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 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.
ANZ231-141200-
CAPE COD BAY-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
NW WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND W 1 FOOT
AT 4 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS
EVENING. VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 3 FT AT 3 SECONDS AND SE 1 FOOT AT
6 SECONDS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: N 1 FOOT AT 5 SECONDS AND S 1 FOOT AT
8 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 4 SECONDS.
THU NIGHT AND FRI
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 5 TO 10 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.
ANZ254-141200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS EVENING. VSBY 1 NM
OR LESS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 3 FT AT 6 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
MON NIGHT
N WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N
3 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT
7 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND NE 2 FT AT 5 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT, BECOMING N WITH GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ255-141200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND NW 1 FOOT AT 2 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS EVENING.
VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND N 2 FT AT 4 SECONDS.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SW 2 FT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND NW
1 FOOT AT 3 SECONDS.
WED AND WED NIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ256-141200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND N 2 FT AT 3 SECONDS. A
CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 2 FT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND N 1 FOOT AT
3 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS AND E 1 FOOT AT 5 SECONDS.
THU THROUGH FRI NIGHT
NE WINDS 10 TO 15 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.
ANZ232-141200-
NANTUCKET SOUND-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
W WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 4 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS THIS EVENING. VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND NE 2 FT AT 5 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT
AT 6 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT, BECOMING N WITH GUSTS
UP TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE 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.
ANZ233-141200-
VINEYARD SOUND-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND NE 1 FOOT AT
3 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND NW 1 FOOT AT
3 SECONDS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SW 1 FOOT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS AROUND 2 FT IN THE MORNING,
THEN 1 FOOT OR LESS. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S
1 FOOT AT 6 SECONDS, BECOMING N 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 6 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND NW 1 FOOT AT
3 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND E 1 FOOT AT 6 SECONDS.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT, BECOMING N WITH GUSTS
UP TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE 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.
ANZ234-141200-
BUZZARDS BAY-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
6 SECONDS.
TUE
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT
3 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT, BECOMING N WITH GUSTS
UP TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS AROUND 10 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.
ANZ235-141200-
RHODE ISLAND SOUND-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND NW 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND NW 2 FT AT 3 SECONDS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 2 FT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING E
5 TO 10 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND NW 1 FOOT AT
4 SECONDS.
THU THROUGH FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW
2 FT 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.
ANZ237-141200-
BLOCK ISLAND SOUND-
705 PM EDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM AFTER MIDNIGHT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 2 FT AT 6 SECONDS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 2 FT AT
6 SECONDS.
TUE
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT, BECOMING E
IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT
4 SECONDS AND NW 1 FOOT AT 2 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS.
THU THROUGH FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 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.
ANZ230-141200-
BOSTON HARBOR-
705 PM EDT SUN SEP 13 2026
TONIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
MON NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
TUE
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT
OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU NIGHT AND FRI
SW WINDS 5 TO 10 KT, BECOMING N. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
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.
ANZ236-141200-
NARRAGANSETT BAY-
705 PM EDT SUN SEP 13 2026
TONIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG.
VSBY 1 TO 3 NM.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
MON NIGHT
N WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
TUE
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND
2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 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.
ANZ280-141200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
705 PM EDT SUN SEP 13 2026
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND SE
1 FOOT AT 10 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS THIS EVENING. VSBY 1 NM OR LESS.
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: W 3 FT
AT 4 SECONDS AND SE 3 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT
7 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT, BECOMING N. GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ281-141200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
705 PM EDT SUN SEP 13 2026
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS AND TSTMS THIS
EVENING. VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 4 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND S 3 FT AT 6 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND S 2 FT AT
6 SECONDS.
TUE
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE MORNING.
SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND S 1 FOOT AT
7 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND S
1 FOOT AT 7 SECONDS.
WED AND WED NIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NE 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT, BECOMING N. GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 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.
ANZ282-141200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
705 PM EDT SUN SEP 13 2026
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS THIS EVENING. VSBY 1 NM OR LESS.
MON
NW WINDS 10 TO 15 KT, BECOMING N IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND
S 3 FT AT 6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
MON NIGHT
N WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS AROUND 4 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND SW 2 FT AT 6 SECONDS.
TUE
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N
4 FT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS.
WED AND WED NIGHT
S WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NE 3 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
THU THROUGH FRI NIGHT
NE 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.
ANZ283-141200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
705 PM EDT SUN SEP 13 2026
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS EVENING.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 3 FT AT 6 SECONDS.
MON NIGHT
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 AND SE 2 FT AT
9 SECONDS.
TUE
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND SE 1 FOOT AT 5 SECONDS.
WED AND WED NIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND E 2 FT AT 6 SECONDS.
THU THROUGH FRI NIGHT
NE 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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