167
FZUS51 KBOX 112304
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT MON MAY 11 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-121200-
703 PM EDT MON MAY 11 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES CONTINUES TO MOVE OFFSHORE TODAY. HIGH PRES BUILDS INTO THE
REGION TUE, MOVING OFFSHORE WED. A COLD FRONT AND AREA OF LOW PRES
WILL MOVE ACROSS NEW ENG AND THE WATERS THU INTO THU EVENING, THEN
OFFSHORE FRI.
ANZ250-121200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND W 1 FOOT AT
3 SECONDS.
TUE
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND NW 2 FT AT 3 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. PATCHY
FOG. SHOWERS.
FRI
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 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.
ANZ251-121200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SW 1 FOOT AT
3 SECONDS.
TUE
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND N 2 FT AT 3 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 3 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
THU AND THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS. PATCHY FOG IN THE MORNING. PATCHY FOG THROUGH THE
NIGHT. SHOWERS.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
W 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.
ANZ231-121200-
CAPE COD BAY-
703 PM EDT MON MAY 11 2026
TONIGHT
S WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 11 SECONDS AND W 1 FOOT AT
3 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 9 SECONDS AND
NW 1 FOOT AT 3 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE 2 FT AT 6 SECONDS
AND NW 1 FOOT AT 3 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND NE
1 FOOT AT 5 SECONDS.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
3 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED NIGHT
S WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
SEAS AROUND 2 FT. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. PATCHY FOG. A
CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
W WINDS 10 TO 15 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.
ANZ254-121200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT MON MAY 11 2026
TONIGHT
S WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SE 2 FT AT
11 SECONDS. A SLIGHT CHANCE OF SHOWERS THIS EVENING.
TUE
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
W 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT
4 SECONDS AND E 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND E 1 FOOT AT
11 SECONDS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. PATCHY
FOG. SHOWERS IN THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 15 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.
ANZ255-121200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT MON MAY 11 2026
TONIGHT
S WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 1 FOOT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS THIS EVENING.
TUE
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
NW 2 FT AT 6 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND
SE 2 FT AT 8 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND SE 1 FOOT AT
12 SECONDS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. PATCHY FOG. SHOWERS LIKELY IN THE
EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 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.
ANZ256-121200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
SW 2 FT AT 8 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
N 2 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
WED
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE 1 FOOT AT
11 SECONDS. SHOWERS. PATCHY FOG IN THE MORNING.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 4 FT. PATCHY FOG. A CHANCE OF SHOWERS.
FRI
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 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.
ANZ232-121200-
NANTUCKET SOUND-
703 PM EDT MON MAY 11 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
5 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND
NW 1 FOOT AT 3 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE 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
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. PATCHY FOG. SHOWERS IN THE EVENING. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
W WINDS 15 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.
ANZ233-121200-
VINEYARD SOUND-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND
NW 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 2 FT, BUILDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE
1 FOOT AT 7 SECONDS, BECOMING S 3 FT AT 6 SECONDS AND S 1 FOOT AT
11 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE 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
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
W WINDS 15 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.
ANZ234-121200-
BUZZARDS BAY-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
11 SECONDS.
TUE
N WINDS AROUND 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 5 SECONDS AND S 1 FOOT AT
11 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 7 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 2 FT, BUILDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE
1 FOOT AT 7 SECONDS, BECOMING S 3 FT AT 5 SECONDS AND SE 1 FOOT
AT 11 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE 1 FOOT AT
13 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE 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
11 SECONDS. SHOWERS. PATCHY FOG IN THE MORNING.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ235-121200-
RHODE ISLAND SOUND-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 1 FOOT AT 7 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND NW 2 FT AT
4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS.
WED NIGHT
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU AND THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE 1 FOOT
AT 11 SECONDS. PATCHY FOG IN THE MORNING. PATCHY FOG THROUGH THE
NIGHT. SHOWERS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A
CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ237-121200-
BLOCK ISLAND SOUND-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT
7 SECONDS.
TUE
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND NW 1 FOOT AT
5 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
WED
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
THU
SE 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 SE 1 FOOT AT
11 SECONDS. SHOWERS. PATCHY FOG IN THE MORNING.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE
OF SHOWERS.
SAT AND SAT NIGHT
W WINDS 10 TO 15 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.
ANZ230-121200-
BOSTON HARBOR-
703 PM EDT MON MAY 11 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
TUE
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT
S WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
THU AND THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. PATCHY FOG IN THE MORNING. PATCHY FOG AFTER
MIDNIGHT. SHOWERS.
FRI AND FRI NIGHT
N WINDS 5 TO 10 KT, BECOMING NW. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
W WINDS 10 TO 15 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.
ANZ236-121200-
NARRAGANSETT BAY-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
AROUND 2 FT.
TUE
N WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. WAVES
AROUND 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
THU AND THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. PATCHY FOG IN THE MORNING. PATCHY FOG THROUGH
THE NIGHT. SHOWERS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 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.
ANZ280-121200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT MON MAY 11 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND
W 1 FOOT AT 3 SECONDS.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND NW 2 FT AT 3 SECONDS.
TUE NIGHT
SW 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.
WED
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING E AROUND 10 KT AFTER MIDNIGHT. SEAS AROUND 4 FT. PATCHY
FOG. SHOWERS.
FRI
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. PATCHY FOG. A CHANCE
OF SHOWERS.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 4 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.
ANZ281-121200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT MON MAY 11 2026
TONIGHT
E WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND SW 1 FOOT AT
6 SECONDS. PATCHY FOG THIS EVENING. A CHANCE OF SHOWERS THIS
EVENING.
TUE
NW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND NW 2 FT AT 5 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
E 3 FT AT 7 SECONDS AND NW 2 FT AT 4 SECONDS.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND E 1 FOOT AT
11 SECONDS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN
THE AFTERNOON.
THU NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
BECOMING S AFTER MIDNIGHT. SEAS 4 TO 5 FT. PATCHY FOG. SHOWERS IN
THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. PATCHY FOG. A
CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 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.
ANZ282-121200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT MON MAY 11 2026
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 1 FOOT AT
7 SECONDS. PATCHY FOG THIS EVENING. A CHANCE OF SHOWERS THIS
EVENING.
TUE
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND W
2 FT AT 6 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
E 3 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND E 1 FOOT AT
11 SECONDS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
S WINDS 10 TO 15 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 4 TO 5 FT. PATCHY FOG. SHOWERS IN THE EVENING. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
W WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. PATCHY FOG.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 5 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.
ANZ283-121200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT MON MAY 11 2026
TONIGHT
SE WINDS AROUND 5 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
S 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS THIS EVENING.
TUE
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND
NW 2 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
WED
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 4 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 5 FT. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI THROUGH SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 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.
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