246
FZUS51 KBOX 211404
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1003 AM EDT MON SEP 21 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-220300-
1003 AM EDT MON SEP 21 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS IN FROM THE N EARLY THIS WEEK WITH A DISTANT SYSTEM
OFF SHORE, WHICH COULD PROVIDE A PERIOD OF STRONG E TO NE WIND NEAR
GALE FORCE, TUE INTO WED. THERE IS POTENTIAL FOR A COASTAL LOW TO
TRACK NORTHWARD LATE WEEK BRINGING STRONG WINDS AND ROUGH SEAS WHICH
WILL CONTINUE TO BE MONITORED.
ANZ250-220300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1003 AM EDT MON SEP 21 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND S 1 FOOT AT
4 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
4 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND SE 2 FT AT 12 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E
8 FT AT 9 SECONDS.
THU AND THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 7 TO 10 FT.
FRI
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 9 TO
12 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
10 TO 13 FT. SHOWERS LIKELY.
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.
ANZ251-220300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1003 AM EDT MON SEP 21 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND NW 2 FT AT
9 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NE 4 FT AT 6 SECONDS AND SE 1 FOOT AT 14 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 8 SECONDS.
THU AND THU NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO
30 KT. SEAS 5 TO 8 FT.
FRI
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 6 TO
9 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
8 TO 11 FT. SHOWERS LIKELY.
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.
ANZ231-220300-
CAPE COD BAY-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE 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 SE 1 FOOT AT
9 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
TUE
NE 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 SE 1 FOOT AT
14 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS.
WED AND WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND NE 4 FT AT
4 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND N 5 FT AT 5 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
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.
ANZ254-220300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SW 2 FT AT
5 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF RAIN. VSBY 1 TO 3 NM.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND SE 2 FT AT
15 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL:
NE 7 FT AT 7 SECONDS AND E 2 FT AT 14 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT, BUILDING TO 7 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: E
8 FT AT 8 SECONDS AND SE 4 FT AT 11 SECONDS, BECOMING E 9 FT AT
9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND NE 7 FT AT
7 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT.
THU NIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 13 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 10 TO
14 FT. SHOWERS LIKELY.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
11 TO 15 FT. SHOWERS LIKELY.
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.
ANZ255-220300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON...
THIS AFTERNOON
NE WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NE 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY
FOG. A CHANCE OF RAIN THIS MORNING. VSBY 1 TO 3 NM.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 1 FOOT AT
15 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND E 5 FT AT
13 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
8 TO 11 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS AND NE 7 FT AT
7 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
12 FT.
THU NIGHT
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS
9 TO 12 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS 9 TO
13 FT. SHOWERS LIKELY.
FRI NIGHT
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
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.
ANZ256-220300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON...
THIS AFTERNOON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF RAIN.
TONIGHT
NE 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 W 1 FOOT AT
5 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 1 FOOT AT
15 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 5 TO 8 FT. WAVE DETAIL: E 7 FT AT 7 SECONDS
AND E 5 FT AT 14 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. WAVE DETAIL: E 10 FT AT 8 SECONDS AND N 1 FOOT AT
5 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
9 TO 12 FT. WAVE DETAIL: E 11 FT AT 11 SECONDS AND N 6 FT AT
6 SECONDS.
THU
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT.
THU NIGHT
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS
10 TO 13 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 10 TO
13 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS AROUND 35 KT WITH GUSTS UP TO 50 KT. SEAS
10 TO 14 FT. SHOWERS LIKELY.
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.
ANZ232-220300-
NANTUCKET SOUND-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 3 FT. WAVE DETAIL: NE 3 FT AT 3 SECONDS AND SW 1 FOOT
AT 4 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF RAIN. VSBY 1 TO
3 NM.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND W 1 FOOT AT
7 SECONDS.
TUE
NE WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NE 4 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS
AND E 5 FT AT 10 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS AROUND 30 KT WITH GUSTS UP TO 50 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS
6 TO 9 FT. SHOWERS LIKELY.
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.
ANZ233-220300-
VINEYARD SOUND-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SW 1 FOOT
AT 5 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND W 1 FOOT AT 5 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NE 3 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
WED AND WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 3 FT AT
9 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND E 3 FT AT 12 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
SEAS 4 TO 6 FT. SHOWERS LIKELY.
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.
ANZ234-220300-
BUZZARDS BAY-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SW 1 FOOT
AT 5 SECONDS. A SLIGHT CHANCE OF RAIN.
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND W
1 FOOT AT 5 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND SE 2 FT AT
11 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 3 FT AT
11 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 25 TO 35 KT, BECOMING N. GUSTS UP
TO 45 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
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.
ANZ235-220300-
RHODE ISLAND SOUND-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON...
THIS AFTERNOON
NE WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NE 4 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS. A SLIGHT
CHANCE OF RAIN.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND W 1 FOOT AT
5 SECONDS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
WED AND WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 10 SECONDS AND E 6 FT AT
6 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SE 8 FT AT 12 SECONDS AND N 6 FT AT 5 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT.
SEAS 6 TO 9 FT. SHOWERS LIKELY.
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.
ANZ237-220300-
BLOCK ISLAND SOUND-
1003 AM EDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON...
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND SW 1 FOOT AT
5 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE NIGHT
NE 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:
NE 5 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
WED AND WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS AND E 7 FT AT
6 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SE 9 FT AT 12 SECONDS AND NE 5 FT AT
5 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
6 TO 9 FT. A CHANCE OF SHOWERS.
FRI
N WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
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.
ANZ230-220300-
BOSTON HARBOR-
1003 AM EDT MON SEP 21 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT AFTER MIDNIGHT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
WED AND WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT.
THU AND THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE OUTER HARBOR ENTRANCE.
FRI
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES 2 TO
3 FT, EXCEPT 4 TO 6 FT AT THE OUTER HARBOR ENTRANCE. A CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES
2 TO 3 FT, EXCEPT 5 TO 7 FT AT THE OUTER HARBOR ENTRANCE. SHOWERS
LIKELY.
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.
ANZ236-220300-
NARRAGANSETT BAY-
1003 AM EDT MON SEP 21 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
WED AND WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE.
THU
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE.
THU NIGHT AND FRI
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
BECOMING N 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES 2 TO 3 FT,
EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES
AROUND 3 FT, EXCEPT 4 TO 6 FT AT THE BAY ENTRANCE. SHOWERS
LIKELY.
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.
ANZ280-220300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1003 AM EDT MON SEP 21 2026
THIS AFTERNOON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND W 2 FT AT
5 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND SE 2 FT AT
11 SECONDS.
WED AND WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 9 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS AND E 8 FT AT
11 SECONDS.
THU AND THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: E 11 FT AT 12 SECONDS AND N 5 FT AT
5 SECONDS.
FRI
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
11 TO 14 FT. SHOWERS LIKELY.
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.
ANZ281-220300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1003 AM EDT MON SEP 21 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND NW 3 FT AT
5 SECONDS. PATCHY FOG. A CHANCE OF RAIN. A SLIGHT CHANCE OF RAIN.
VSBY 1 TO 3 NM.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 6 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS AND SE 2 FT AT
13 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: E
8 FT AT 8 SECONDS AND E 4 FT AT 14 SECONDS.
WED AND WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: E 11 FT AT 9 SECONDS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 10 TO
13 FT. WAVE DETAIL: E 13 FT AT 11 SECONDS AND NE 9 FT AT
7 SECONDS.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
11 TO 14 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
16 FT. SHOWERS LIKELY.
FRI NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
13 TO 17 FT. SHOWERS LIKELY.
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.
ANZ282-220300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1003 AM EDT MON SEP 21 2026
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON...
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS. PATCHY FOG. RAIN LIKELY THIS MORNING. VSBY 1 TO 3 NM.
TONIGHT
NE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: NE 6 FT AT 6 SECONDS AND SE 3 FT AT
14 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS AND E 2 FT AT 15 SECONDS.
A CHANCE OF RAIN.
TUE NIGHT
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT AT 9 SECONDS
AND N 2 FT AT 4 SECONDS.
WED
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT, BUILDING TO 10 TO 13 FT IN THE AFTERNOON. WAVE DETAIL: E
11 FT AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS, BECOMING E 12 FT AT
9 SECONDS.
WED NIGHT
NE WINDS AROUND 30 KT WITH GUSTS UP TO 35 KT. SEAS
11 TO 14 FT. WAVE DETAIL: E 13 FT AT 10 SECONDS AND NE 8 FT AT
8 SECONDS.
THU
NE WINDS AROUND 30 KT WITH GUSTS UP TO 40 KT. SEAS 12 TO
15 FT.
THU NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
13 TO 15 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 13 TO 17 FT. SHOWERS LIKELY.
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.
ANZ283-220300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1003 AM EDT MON SEP 21 2026
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON...
THIS AFTERNOON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT. WAVE DETAIL: NE 4 FT AT
4 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING NE 6 FT AT 6 SECONDS
AND SE 2 FT AT 9 SECONDS. A CHANCE OF RAIN THIS MORNING. PATCHY
FOG. VSBY 1 TO 3 NM.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND W 1 FOOT AT 5 SECONDS.
TUE
NE WINDS AROUND 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND E 3 FT AT 13 SECONDS.
A CHANCE OF RAIN.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
7 TO 9 FT. WAVE DETAIL: NE 9 FT AT 7 SECONDS AND E 9 FT AT
11 SECONDS.
WED AND WED NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
SEAS 9 TO 13 FT. WAVE DETAIL: E 13 FT AT 9 SECONDS.
THU
NE WINDS AROUND 30 KT WITH GUSTS UP TO 45 KT. SEAS 12 TO
14 FT. WAVE DETAIL: E 14 FT AT 11 SECONDS AND NE 9 FT AT
8 SECONDS.
THU NIGHT
NE WINDS 30 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
13 TO 15 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NE WINDS 35 TO 40 KT WITH GUSTS UP TO 50 KT.
SEAS 14 TO 17 FT. SHOWERS LIKELY.
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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