425
FZUS51 KBOX 110505
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 AM EDT MON MAY 11 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-111800-
105 AM EDT MON MAY 11 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT WILL CROSS THE WATERS TONIGHT THEN LOW PRES WILL TRACK
WELL S OF THE WATERS MON. 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.
ANZ250-111800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND SW 2 FT AT
6 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND NE 1 FOOT
AT 3 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND N 2 FT AT
4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND S 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: SW
3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
SE WINDS 15 TO 20 KT, BECOMING SW 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. SHOWERS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING W. 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.
ANZ251-111800-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NW 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND SW 1 FOOT AT
2 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND S 2 FT AT
12 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 4 SECONDS AND W 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON.
WED NIGHT
S WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING W. 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.
ANZ231-111800-
CAPE COD BAY-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 4 SECONDS AND NW 1 FOOT AT 2 SECONDS. A CHANCE
OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND NW 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT
AT 4 SECONDS.
TUE
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE NIGHT AND WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 4 SECONDS.
WED NIGHT
S WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS.
FRI AND FRI NIGHT
NW WINDS AROUND 5 KT, BECOMING W. 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.
ANZ254-111800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 AM EDT MON MAY 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY
FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 6 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND NE 1 FOOT
AT 4 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND NE 2 FT AT 5 SECONDS.
TUE NIGHT AND WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND S 2 FT AT
3 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU AND THU NIGHT
SE WINDS 15 TO 20 KT, BECOMING SW 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. SHOWERS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT, INCREASING TO 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.
ANZ255-111800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 AM EDT MON MAY 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND SW 4 FT AT 8 SECONDS. PATCHY
FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND S 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
MON NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 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 5 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SW 2 FT AT 5 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU AND THU NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO
15 KT. SEAS 3 TO 5 FT. SHOWERS.
FRI AND FRI NIGHT
W 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.
ANZ256-111800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 AM EDT MON MAY 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
REST OF TONIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND W 2 FT AT 9 SECONDS. PATCHY FOG.
A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND N 2 FT AT 5 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
W 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 3 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: E 4 FT AT 7 SECONDS AND
NW 2 FT AT 3 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
WED
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: SW
3 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 4 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
W 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.
ANZ232-111800-
NANTUCKET SOUND-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND NW 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE NIGHT AND WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 3 SECONDS.
WED NIGHT
S 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 S 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING SW 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS.
FRI AND FRI 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.
ANZ233-111800-
VINEYARD SOUND-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT 8 SECONDS. A CHANCE
OF SHOWERS.
MON
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 2 FT AT
8 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND SE 2 FT
AT 8 SECONDS.
TUE
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT
6 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
NE 1 FOOT AT 6 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS.
FRI AND FRI 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.
ANZ234-111800-
BUZZARDS BAY-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 6 SECONDS AND SW 2 FT AT 6 SECONDS. A CHANCE OF
SHOWERS.
MON
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND N 1 FOOT AT
6 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SW 1 FOOT
AT 3 SECONDS.
TUE
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND N 1 FOOT AT
3 SECONDS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND NE 1 FOOT
AT 3 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SW 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU AND THU NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 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.
ANZ235-111800-
RHODE ISLAND SOUND-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
N WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND NE 1 FOOT AT 5 SECONDS. A CHANCE
OF SHOWERS.
MON
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND N 2 FT AT
6 SECONDS.
MON NIGHT
W 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 W
2 FT AT 3 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 3 SECONDS AND
SE 3 FT AT 7 SECONDS.
TUE NIGHT
SW 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.
WED
S WINDS 10 TO 15 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 W 2 FT AT 8 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 3 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
FRI AND FRI 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.
ANZ237-111800-
BLOCK ISLAND SOUND-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT 8 SECONDS. A CHANCE
OF SHOWERS.
MON
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND NE 2 FT AT
3 SECONDS.
MON NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 3 FT AT 3 SECONDS AND SE 3 FT AT
8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 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. SHOWERS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
FRI AND FRI 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.
ANZ230-111800-
BOSTON HARBOR-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A
SLIGHT CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE
NW WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. SHOWERS.
THU AND THU NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT. WAVES AROUND 2 FT, THEN 1 FOOT OR LESS.
SHOWERS.
FRI AND FRI NIGHT
NW WINDS 5 TO 10 KT, BECOMING W. 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.
ANZ236-111800-
NARRAGANSETT BAY-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES
AROUND 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE
N WINDS 5 TO 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. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS.
THU AND THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT. WAVES 2 TO 3 FT. SHOWERS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 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.
ANZ280-111800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS AND S 2 FT AT 6 SECONDS. PATCHY FOG.
A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS.
TUE
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND N 2 FT AT
4 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 AND WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
THU AND THU NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING SW 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO 4 FT.
SHOWERS.
FRI
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ281-111800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 7 SECONDS AND SW 3 FT AT 8 SECONDS. PATCHY
FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
NW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 2 FT AT 5 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
SE 4 FT AT 8 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT AND WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND SW 2 FT AT
4 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS. PATCHY DENSE FOG IN THE EVENING. A CHANCE OF SHOWERS
AFTER MIDNIGHT. VSBY 1 NM OR LESS IN THE EVENING.
THU AND THU NIGHT
SE WINDS 15 TO 20 KT, BECOMING SW 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. SHOWERS.
FRI
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 10 TO 15 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.
ANZ282-111800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND SE 4 FT AT 8 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
MON
N WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING.
A CHANCE OF SHOWERS IN THE AFTERNOON. VSBY 1 NM OR LESS IN THE
MORNING.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
SE 4 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS. PATCHY DENSE
FOG. VSBY 1 NM OR LESS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 4 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY DENSE FOG IN
THE MORNING. WIDESPREAD DENSE FOG IN THE AFTERNOON. VSBY 1 NM OR
LESS.
WED NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. PATCHY DENSE FOG IN THE EVENING. A CHANCE OF SHOWERS
AFTER MIDNIGHT. VSBY 1 NM OR LESS IN THE EVENING.
THU AND THU NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO
15 KT. SEAS 4 TO 5 FT. SHOWERS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 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.
ANZ283-111800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
105 AM EDT MON MAY 11 2026
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 3 FT
AT 8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM
OR LESS.
MON
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 SW 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND W 2 FT AT
3 SECONDS.
TUE
N WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E
3 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND E 2 FT AT 7 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: SW
2 FT AT 5 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. A CHANCE OF SHOWERS.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP 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.
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