128
FZUS51 KBOX 021704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT WED SEP 2 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-030600-
104 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.
ANZ250-030600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND SE 2 FT AT 11 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND SE
2 FT AT 10 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS WITH A CHANCE OF TSTMS IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE
MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND NW 1 FOOT AT
2 SECONDS.
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: E
3 FT AT 7 SECONDS AND NW 2 FT AT 3 SECONDS.
SAT THROUGH SUN NIGHT
NW 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.
ANZ251-030600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT 11 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG
AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS WITH A CHANCE OF TSTMS IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO
3 NM.
THU NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 5 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
SAT THROUGH SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND NE
3 FT AT 8 SECONDS.
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.
ANZ231-030600-
CAPE COD BAY-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 5 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 2 SECONDS AND SW 1 FOOT 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: S 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. A CHANCE OF TSTMS. SHOWERS IN THE MORNING,
THEN A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE
MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 6 SECONDS.
SAT THROUGH SUN NIGHT
NW 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 E
3 FT AT 7 SECONDS.
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.
ANZ254-030600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SE 3 FT AT 5 SECONDS AND SE 2 FT AT 11 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 10 SECONDS AND E 2 FT AT 4 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE
MORNING.
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: S 3 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF
SHOWERS. A CHANCE OF TSTMS IN THE EVENING. PATCHY FOG IN THE
EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND NW 2 FT AT
4 SECONDS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT
7 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING NW 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ255-030600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 5 SECONDS AND SE 2 FT AT 11 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
3 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
THU
S 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 SE 3 FT AT 9 SECONDS.
A CHANCE OF TSTMS. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE
OF SHOWERS IN THE AFTERNOON. PATCHY FOG IN THE MORNING.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS. PATCHY
FOG IN THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO
3 NM IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND E
2 FT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
NW 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.
ANZ256-030600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: SE 4 FT AT 5 SECONDS AND SE 2 FT AT 11 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. A CHANCE OF TSTMS IN THE
MORNING.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL:
S 3 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI NIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS.
SAT THROUGH SUN NIGHT
NW WINDS 15 TO 20 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.
ANZ232-030600-
NANTUCKET SOUND-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. A CHANCE OF TSTMS. SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS.
FRI
NW WINDS AROUND 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.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND
E 1 FOOT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
NW 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.
ANZ233-030600-
VINEYARD SOUND-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND SE 1 FOOT AT 12 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. A CHANCE OF TSTMS. SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 5 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS.
FRI NIGHT
W WINDS AROUND 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 THROUGH SUN NIGHT
NW WINDS 15 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.
ANZ234-030600-
BUZZARDS BAY-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 11 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS
AND S 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. A CHANCE OF TSTMS. SHOWERS IN THE MORNING,
THEN A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE
MORNING.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 5 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: W
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS, BECOMING W 1 FOOT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
7 SECONDS.
SAT THROUGH SUN NIGHT
NW WINDS 10 TO 15 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.
ANZ235-030600-
RHODE ISLAND SOUND-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.
TONIGHT
SE WINDS 10 TO 15 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
AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. PATCHY FOG. A CHANCE OF
TSTMS. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS IN
THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
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 E 2 FT AT
7 SECONDS.
SAT THROUGH SUN NIGHT
NW 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.
ANZ237-030600-
BLOCK ISLAND SOUND-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 3 FT AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.
TONIGHT
SE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. PATCHY FOG AFTER
MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF TSTMS. SHOWERS LIKELY IN THE MORNING,
THEN A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE
MORNING.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF TSTMS IN
THE EVENING.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
FRI NIGHT
NW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 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.
ANZ230-030600-
BOSTON HARBOR-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. PATCHY FOG
AFTER MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
THU
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. WAVES AROUND 2 FT. PATCHY FOG. A
CHANCE OF TSTMS. SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS
IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT THROUGH SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES AROUND 2 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.
ANZ236-030600-
NARRAGANSETT BAY-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. PATCHY FOG. A CHANCE OF TSTMS. SHOWERS IN THE MORNING, THEN
A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE
MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT THROUGH SUN NIGHT
W WINDS 10 TO 15 KT. WAVES AROUND 2 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.
ANZ280-030600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SE 2 FT AT 4 SECONDS AND SE 2 FT AT 11 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL:
E 2 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF TSTMS. SHOWERS IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
FRI
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND NW 1 FOOT AT 2 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND N 2 FT AT 3 SECONDS.
SAT THROUGH SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 3 TO 5 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.
ANZ281-030600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 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 AROUND 3 FT. WAVE DETAIL: E
3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS. PATCHY FOG. SHOWERS
LIKELY. A CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. A
CHANCE OF SHOWERS. A CHANCE OF TSTMS IN THE EVENING. PATCHY FOG
IN THE EVENING WITH VSBY 1 TO 3 NM.
FRI AND FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 2 FT AT
5 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 8 SECONDS AND NW 3 FT AT
5 SECONDS.
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 4 TO
6 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.
ANZ282-030600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE
DETAIL: SE 3 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
3 FT AT 4 SECONDS AND E 3 FT AT 5 SECONDS.
THU
S WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS
AND SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS. A
CHANCE OF SHOWERS.
FRI AND FRI NIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
SAT THROUGH SUN
N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: N 5 FT AT 6 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 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.
ANZ283-030600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT WED SEP 2 2026
THIS AFTERNOON
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
4 FT AT 4 SECONDS AND E 4 FT AT 5 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS AND TSTMS. PATCHY FOG IN THE MORNING.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF
SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM IN THE EVENING.
FRI AND FRI NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NW 3 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
SAT THROUGH SUN NIGHT
N WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: N 4 FT AT 5 SECONDS AND NE 4 FT AT 8 SECONDS.
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.
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