414
FZUS51 KBOX 110506
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
106 AM EDT WED MAR 11 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-111800-
106 AM EDT WED MAR 11 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A BACKDOOR COLD FRONT WILL PUSH SOUTHWARD INTO SOUTHERN NEW ENGLAND
LATE TONIGHT, BEFORE RETREATING BACK NORTH WEDNESDAY NIGHT. A
STRONGER COLD FRONT WILL MOVE THROUGH THE REGION THURSDAY. HIGH PRES
WILL BUILD BACK INTO THE REGION FRI.
ANZ250-111800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 2 FT AT
8 SECONDS.
WED
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SE
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND SE 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT
AT 5 SECONDS AND NE 3 FT AT 7 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
THU
SW WINDS 20 TO 25 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS
AND E 2 FT AT 7 SECONDS. RAIN LIKELY.
THU NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW
5 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. A CHANCE OF RAIN IN
THE EVENING.
FRI
W WINDS 15 TO 20 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND
S 4 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
SAT
W WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. A CHANCE OF RAIN.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT.
SUN
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN NIGHT
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING E
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 6 SECONDS AND W 1 FOOT AT 2 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND
NE 3 FT AT 7 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
THU
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT 7 SECONDS.
RAIN LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS. A CHANCE OF RAIN IN THE EVENING.
FRI
W 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: W 3 FT
AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
SUN
S WINDS 15 TO 20 KT. SEAS AROUND 2 FT.
SUN NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 5 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 4 SECONDS, BECOMING S 1 FOOT AT 2 SECONDS AND W 1 FOOT AT
2 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
6 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
THU
SW WINDS AROUND 20 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS
AND NE 1 FOOT AT 6 SECONDS. RAIN.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS. RAIN LIKELY WITH A CHANCE OF SNOW IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND
S 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
SUN NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E
2 FT AT 9 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: S
5 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS, BECOMING S 7 FT AT
7 SECONDS AND NE 2 FT AT 7 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
THU
SW WINDS 20 TO 25 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: SW 8 FT AT 6 SECONDS
AND NE 1 FOOT AT 7 SECONDS. RAIN.
THU NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N
5 FT AT 5 SECONDS AND S 5 FT AT 8 SECONDS. RAIN LIKELY WITH A
CHANCE OF SNOW IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT AT 6 SECONDS AND
S 4 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. A
CHANCE OF RAIN.
SAT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
SUN NIGHT
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
1 FOOT AT 8 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT.
WAVE DETAIL: S 6 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS,
BECOMING S 9 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE
OF RAIN.
THU
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT IN THE
AFTERNOON. SEAS 7 TO 10 FT. WAVE DETAIL: SW 10 FT AT 7 SECONDS
AND E 1 FOOT AT 8 SECONDS. RAIN.
THU NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL:
SW 6 FT AT 8 SECONDS AND W 5 FT AT 5 SECONDS. RAIN LIKELY WITH A
CHANCE OF SNOW IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND S
4 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. A CHANCE OF RAIN
AFTER MIDNIGHT.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT.
SAT NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN NIGHT
SE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY 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 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT.
WAVE DETAIL: SE 6 FT AT 7 SECONDS, BECOMING S 9 FT AT 7 SECONDS
AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN.
THU
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT. WAVE DETAIL: SW 9 FT AT 6 SECONDS AND
E 1 FOOT AT 8 SECONDS. RAIN.
THU NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
6 FT AT 8 SECONDS AND NW 4 FT AT 4 SECONDS. A CHANCE OF RAIN AND
SNOW IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 3 FT AT 5 SECONDS.
FRI NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT, BUILDING TO 7 TO 10 FT AFTER MIDNIGHT.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT.
SAT NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
SUN NIGHT
SE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
S WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS
AND S 1 FOOT AT 7 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN.
THU
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND SW 3 FT AT 4 SECONDS. RAIN.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W
3 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS. RAIN LIKELY WITH A
CHANCE OF SNOW IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W
2 FT AT 4 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SAT
W WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN
E WINDS 15 TO 20 KT. SEAS AROUND 2 FT.
SUN NIGHT
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
3 TO 5 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
S WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND
E 1 FOOT AT 8 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS. A CHANCE OF RAIN.
THU
SW WINDS 20 TO 25 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS
AND SW 2 FT AT 4 SECONDS. RAIN.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 8 SECONDS AND NW 2 FT AT 4 SECONDS. A CHANCE OF SNOW
IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
FRI NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
SAT
W WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
SAT NIGHT AND SUN
NW WINDS 15 TO 20 KT, BECOMING E. SEAS 2 TO
4 FT.
SUN NIGHT
SE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
3 TO 5 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN.
THU
SW WINDS 20 TO 25 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SW 3 FT AT
4 SECONDS. RAIN.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 7 SECONDS AND NW 2 FT AT 4 SECONDS. A CHANCE OF SNOW
IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI NIGHT
SW WINDS 25 TO 30 KT. SEAS 3 TO 5 FT. A CHANCE OF
RAIN.
SAT
W WINDS 25 TO 30 KT. SEAS 3 TO 5 FT.
SAT NIGHT AND SUN
NW WINDS 15 TO 20 KT, BECOMING E. SEAS 2 TO
4 FT.
SUN NIGHT
SE WINDS 30 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
3 TO 5 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: SE 5 FT AT 7 SECONDS, BECOMING
S 7 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN.
THU
SW WINDS 20 TO 25 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: SW 8 FT AT 6 SECONDS
AND E 1 FOOT AT 8 SECONDS. RAIN.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND W 3 FT AT 4 SECONDS. A CHANCE OF SNOW IN
THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
8 SECONDS AND SW 3 FT AT 4 SECONDS.
FRI NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. A CHANCE OF
RAIN.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT.
SAT NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
SUN NIGHT
SE WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND W 2 FT AT
4 SECONDS. A CHANCE OF RAIN.
THU
SW WINDS AROUND 20 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS
AND E 1 FOOT AT 8 SECONDS. RAIN.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS. A CHANCE OF RAIN IN THE EVENING.
FRI
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
8 SECONDS AND W 2 FT AT 3 SECONDS.
FRI NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
SAT NIGHT AND SUN
NW WINDS 10 TO 15 KT, BECOMING E. GUSTS UP
TO 20 KT. SEAS 2 TO 4 FT.
SUN NIGHT
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF RAIN.
THU
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. RAIN.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. A CHANCE OF RAIN IN THE EVENING.
FRI
W WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
FRI NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
AROUND 2 FT. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
2 FT. A CHANCE OF RAIN.
SAT NIGHT AND SUN
W WINDS 15 TO 20 KT, BECOMING S 10 TO 15 KT.
GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
SUN NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. WAVES
2 TO 3 FT. RAIN LIKELY.
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-
106 AM EDT WED MAR 11 2026
REST OF TONIGHT
S WINDS AROUND 5 KT. WAVES AROUND 2 FT.
WED
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. A CHANCE OF
RAIN.
THU
SW WINDS 15 TO 20 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 25 KT. WAVES 3 TO 5 FT. RAIN.
THU NIGHT
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SNOW IN THE EVENING.
FRI
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
FRI NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
4 TO 6 FT. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 4 TO
6 FT.
SAT NIGHT AND SUN
NW WINDS 10 TO 15 KT, BECOMING E. GUSTS UP
TO 20 KT. WAVES 2 TO 3 FT.
SUN NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. WAVES
4 TO 6 FT. RAIN LIKELY.
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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