439
FZUS51 KBOX 022304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
704 PM EDT WED SEP 2 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-031200-
704 PM EDT WED SEP 2 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A WARM FRONT SLOWLY LIFTS NORTH TONIGHT INTO THU. LOW PRES AND ITS
ASSOCIATED COLD FRONT WILL CROSS THE WATERS THU AFTERNOON INTO THU
NIGHT. THIS LOW PRES SYSTEM WILL INTENSIFY AS IT LIFTS NE TOWARDS
THE CANADIAN MARITIMES FRI AND SHIFT FARTHER E BY THE HOLIDAY
WEEKEND.
ANZ250-031200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND
SW 2 FT AT 6 SECONDS. SHOWERS AFTER MIDNIGHT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS, MAINLY IN THE MORNING. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
SW WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
7 SECONDS AND SW 1 FOOT AT 5 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND SW 5 FT AT
7 SECONDS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
SUN NIGHT AND MON
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
SW WINDS 5 TO 10 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.
ANZ251-031200-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS
AFTER MIDNIGHT. SOME TSTMS MAY PRODUCE HEAVY RAINFALL AFTER
MIDNIGHT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG. SHOWERS,
MAINLY IN THE MORNING. VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND SW 1 FOOT
AT 3 SECONDS.
FRI
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND W 1 FOOT AT 5 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND NE 3 FT AT
7 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 15 TO 20 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.
ANZ231-031200-
CAPE COD BAY-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND SW
1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE MORNING. VSBY 1 NM
OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND SW 1 FOOT AT
3 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 1 FOOT AT
2 SECONDS AND E 1 FOOT AT 7 SECONDS.
SAT AND SAT NIGHT
N 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 E 3 FT AT
8 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
30 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.
ANZ254-031200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS AROUND 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 10 SECONDS AND
E 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND E 2 FT AT 6 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS IN THE EVENING. VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS AROUND 5 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 5 SECONDS AND E 2 FT AT 7 SECONDS.
SAT
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 SE 2 FT AT 8 SECONDS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT.
MON AND MON NIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. 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.
ANZ255-031200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND SE 2 FT AT 5 SECONDS.
A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN
THE AFTERNOON. VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS.
SAT AND SAT 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 E 4 FT AT
8 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT.
MON AND MON NIGHT
N WINDS 5 TO 10 KT, BECOMING W. 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.
ANZ256-031200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 3 FT AT
10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING. VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE
2 FT AT 9 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND SW 2 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
SAT AND SAT NIGHT
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 2 FT AT
8 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.
MON AND MON NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ232-031200-
NANTUCKET SOUND-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
S 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 E 2 FT AT 4 SECONDS.
PATCHY FOG. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN
THE AFTERNOON. VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT 4 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT AND SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SUN THROUGH MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
MON NIGHT
SW 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.
ANZ233-031200-
VINEYARD SOUND-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS AROUND 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 1 FOOT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE MORNING. VSBY 1 TO
3 NM.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT.
SUN NIGHT THROUGH MON 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.
ANZ234-031200-
BUZZARDS BAY-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 10 SECONDS. SHOWERS LIKELY WITH ISOLATED TSTMS AFTER
MIDNIGHT. SOME TSTMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE MORNING. VSBY 1 TO
3 NM.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH 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. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT
4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 1 FOOT AT 6 SECONDS AND SE 1 FOOT
AT 7 SECONDS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP
TO 20 KT. SEAS AROUND 2 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.
ANZ235-031200-
RHODE ISLAND SOUND-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. A CHANCE OF SHOWERS WITH ISOLATED TSTMS AFTER
MIDNIGHT. SOME TSTMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT.
THU
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 SE 3 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY IN THE MORNING. VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE
2 FT AT 9 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS AROUND 10 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS AND SE 2 FT AT 7 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS.
SUN THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 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.
ANZ237-031200-
BLOCK ISLAND SOUND-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND SE 2 FT AT
11 SECONDS. PATCHY FOG AFTER MIDNIGHT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT. SOME TSTMS MAY PRODUCE
HEAVY RAINFALL AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND S 2 FT AT 4 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 TO
3 NM.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND W 2 FT AT 5 SECONDS.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS.
FRI NIGHT
NW WINDS AROUND 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE
2 FT AT 7 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS.
SUN THROUGH MON NIGHT
SW 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.
ANZ230-031200-
BOSTON HARBOR-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER
MIDNIGHT. SOME TSTMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG.
SHOWERS, MAINLY IN THE MORNING. VSBY 1 TO 3 NM.
THU NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
WINDS AND WAVES 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.
ANZ236-031200-
NARRAGANSETT BAY-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER
MIDNIGHT. SOME TSTMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. PATCHY FOG. SHOWERS, MAINLY IN THE MORNING WITH VSBY 1 TO
3 NM.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES AROUND 2 FT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 2 TO 3 FT.
WINDS AND WAVES 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.
ANZ280-031200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND
SE 2 FT AT 10 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN
THE AFTERNOON. VSBY 1 TO 3 NM.
THU NIGHT
W WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
FRI NIGHT AND SAT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND W 3 FT AT
6 SECONDS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS AND SE 5 FT AT
8 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT.
MON AND MON NIGHT
NW WINDS 10 TO 15 KT, BECOMING SW 5 TO
10 KT. GUSTS UP TO 20 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.
ANZ281-031200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND E 2 FT AT 4 SECONDS.
THU
S 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: S 3 FT
AT 3 SECONDS AND E 2 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
2 FT AT 6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE
EVENING. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND W 2 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
FRI NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
E 2 FT AT 7 SECONDS.
SAT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE
5 FT AT 7 SECONDS AND W 2 FT AT 5 SECONDS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT.
MON AND MON NIGHT
N WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT.
GUSTS UP TO 20 KT. SEAS 4 TO 6 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.
ANZ282-031200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
704 PM EDT WED SEP 2 2026
TONIGHT
E WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 5 SECONDS AND SE 3 FT AT 10 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND E 2 FT AT 6 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
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. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
E 2 FT AT 7 SECONDS.
SAT AND SAT NIGHT
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.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT.
MON AND MON NIGHT
N WINDS 5 TO 10 KT, BECOMING W. SEAS 4 TO
6 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.
ANZ283-031200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
704 PM EDT WED SEP 2 2026
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 3 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY IN THE MORNING. VSBY 1 TO 3 NM.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE
2 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NW WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E 2 FT AT
7 SECONDS.
SAT AND SAT NIGHT
NE 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 E 4 FT AT
8 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT.
MON AND MON NIGHT
NW WINDS 5 TO 10 KT, BECOMING W. 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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