419
FZUS51 KBOX 040204
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1003 PM EDT THU SEP 3 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-041500-
1003 PM EDT THU SEP 3 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES AND ITS ASSOCIATED COLD FRONT WILL CROSS THE WATERS INTO
TONIGHT. THIS LOW PRES SYSTEM WILL INTENSIFY AS IT LIFTS NE TOWARDS
THE CANADIAN MARITIMES FRI AND SHIFT FARTHER E BY THE HOLIDAY
WEEKEND. HIGH PRES MOVES TOWARDS THE WATERS FOR THE START OF NEXT
WEEK.
ANZ250-041500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
N WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS.
FRI
NW WINDS AROUND 5 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT
8 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND S 1 FOOT AT
4 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND NW 2 FT AT 3 SECONDS.
SAT NIGHT AND SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 5 FT AT
9 SECONDS.
SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND NE 4 FT AT 10 SECONDS.
MON THROUGH TUE NIGHT
SE WINDS 5 TO 10 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.
ANZ251-041500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
NE WINDS AROUND 5 KT, BECOMING NW. SEAS AROUND 2 FT.
WAVE DETAIL: E 2 FT AT 6 SECONDS AND S 1 FOOT AT 3 SECONDS. AREAS
OF FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS.
FRI
NW WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND NW 2 FT AT
17 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
SAT NIGHT AND SUN
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT AT 7 SECONDS AND NE 4 FT AT
8 SECONDS.
SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
3 FT AT 5 SECONDS AND NE 3 FT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SE WINDS 5 TO 10 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.
ANZ231-041500-
CAPE COD BAY-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 4 SECONDS. AREAS OF FOG.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS.
FRI
NW WINDS AROUND 5 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT
2 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT
AT 4 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
SAT NIGHT AND SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND N 3 FT AT
4 SECONDS.
SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND N 2 FT AT 5 SECONDS.
MON THROUGH TUE NIGHT
SE WINDS 5 TO 10 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.
ANZ254-041500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS.
FRI
N WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT
AT 5 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS.
SUN AND SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 7 SECONDS AND NE 6 FT AT
8 SECONDS.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT.
SEAS 3 TO 5 FT.
TUE AND TUE NIGHT
W WINDS 5 TO 10 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.
ANZ255-041500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E 2 FT AT
7 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
SAT NIGHT AND SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND SW 2 FT AT
7 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NW
2 FT AT 6 SECONDS.
MON THROUGH TUE NIGHT
W WINDS 10 TO 15 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.
ANZ256-041500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS. AREAS OF FOG. A
SLIGHT CHANCE OF SHOWERS WITH VSBY 1 TO 3 NM.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 2 FT AT
7 SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
SAT NIGHT AND SUN
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NE 4 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E
3 FT AT 8 SECONDS.
MON THROUGH TUE NIGHT
SW 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.
ANZ232-041500-
NANTUCKET SOUND-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 5 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM.
FRI
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS
AND SE 1 FOOT AT 7 SECONDS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT NIGHT AND SUN
N 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 E 2 FT AT
8 SECONDS.
SUN NIGHT
N 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: E 3 FT
AT 9 SECONDS AND NE 2 FT AT 3 SECONDS.
MON THROUGH TUE NIGHT
W WINDS 5 TO 10 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.
ANZ233-041500-
VINEYARD SOUND-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS. AREAS OF FOG.
VSBY 1 TO 3 NM.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. AREAS OF FOG IN
THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
SAT NIGHT AND SUN
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 6 SECONDS, BECOMING NE
1 FOOT AT 4 SECONDS AND NW 1 FOOT AT 5 SECONDS.
MON THROUGH TUE NIGHT
SW 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.
ANZ234-041500-
BUZZARDS BAY-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. AREAS OF FOG.
VSBY 1 TO 3 NM.
FRI
NW WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND SE 1 FOOT
AT 7 SECONDS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW
1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS, BECOMING NW
1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND E 1 FOOT
AT 7 SECONDS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT AT
6 SECONDS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND W 1 FOOT AT
7 SECONDS.
SUN NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
SW 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.
ANZ235-041500-
RHODE ISLAND SOUND-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. AREAS OF FOG. VSBY
1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND SE 2 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 2 FT
AT 8 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
SAT NIGHT AND SUN
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 3 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
SUN NIGHT
N WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS.
MON THROUGH TUE NIGHT
S 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.
ANZ237-041500-
BLOCK ISLAND SOUND-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS. AREAS OF FOG WITH
VSBY 1 TO 3 NM.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT
4 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND NW 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
SAT NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND S
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS.
MON THROUGH TUE NIGHT
S 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.
ANZ230-041500-
BOSTON HARBOR-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. AREAS OF
FOG. VSBY 1 NM OR LESS.
FRI
NW WINDS AROUND 5 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. AREAS OF FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT
N WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SAT NIGHT AND SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SUN NIGHT
W WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
SE 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.
ANZ236-041500-
NARRAGANSETT BAY-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS AROUND 5 KT. WAVES AROUND 2 FT. AREAS OF FOG
WITH VSBY 1 NM OR LESS.
FRI
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. AREAS OF FOG IN
THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SAT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
SUN AND SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
MON THROUGH TUE NIGHT
SW 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.
ANZ280-041500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL:
S 3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. AREAS OF FOG.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS.
FRI
NW WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP
TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 8 SECONDS AND W
5 FT AT 5 SECONDS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND N 2 FT AT 5 SECONDS.
MON NIGHT THROUGH TUE NIGHT
NW WINDS 5 TO 10 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.
ANZ281-041500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS.
FRI
NW WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SAT
N 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: N 3 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 8 SECONDS AND SW 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
TUE AND TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 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.
ANZ282-041500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. AREAS OF FOG. A
SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SAT NIGHT THROUGH SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 6 FT AT 6 SECONDS AND
NE 6 FT AT 8 SECONDS.
MON THROUGH TUE
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: NE 6 FT AT 10 SECONDS AND NW 2 FT AT 7 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 3 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.
ANZ283-041500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1003 PM EDT THU SEP 3 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND E 2 FT AT 6 SECONDS. AREAS OF FOG. A
SLIGHT CHANCE OF SHOWERS WITH VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. AREAS OF FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 3 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND E 2 FT AT
7 SECONDS.
SAT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS.
SAT NIGHT AND SUN
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND NE 5 FT AT
9 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 8 SECONDS AND SW
1 FOOT AT 6 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 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.
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