916
FZUS51 KBOX 042104
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
403 PM EST WED MAR 4 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-051000-
403 PM EST WED MAR 4 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A WARM FRONT APPROACHES FROM THE S THU. LOW PRES DEVELOPS ON THE
FRONT AND MOVES ACROSS THE SOUTH COASTAL WATERS THU NIGHT INTO FRI.
HIGH PRES RETURNS SAT. A QUICK TROUGH OF LOW PRESSURE PASSES
SAT NIGHT FOLLOWED BY HIGH PRES.
ANZ250-051000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS.
THU
N WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. A CHANCE
OF RAIN IN THE AFTERNOON. VSBY 1 NM OR LESS.
THU NIGHT
E WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS. RAIN AND SNOW.
SLEET IN THE EVENING, THEN A CHANCE OF SLEET AFTER MIDNIGHT.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS. RAIN AND SNOW IN THE
MORNING.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING E 5 TO 10 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. WAVE
DETAIL: E 8 FT AT 9 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT
AT 9 SECONDS AND S 3 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 10 TO 15 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.
ANZ251-051000-
MASSACHUSETTS BAY AND IPSWICH BAY-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND SW 1 FOOT AT 2 SECONDS.
THU
N WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 6 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG. A CHANCE
OF RAIN IN THE AFTERNOON. VSBY 1 NM OR LESS.
THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 6 SECONDS. SNOW AND RAIN. SLEET
IN THE EVENING, THEN A CHANCE OF SLEET AFTER MIDNIGHT.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 8 SECONDS. RAIN AND SNOW IN THE MORNING, THEN A CHANCE OF RAIN
IN THE AFTERNOON.
FRI NIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 9 SECONDS AND S 2 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. A CHANCE OF RAIN.
SUN THROUGH MON NIGHT
SW 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.
ANZ231-051000-
CAPE COD BAY-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT 2 SECONDS. AREAS OF FOG
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
N WINDS AROUND 5 KT, BECOMING NE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG. A CHANCE OF
RAIN IN THE AFTERNOON. VSBY 1 NM OR LESS.
THU NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 5 SECONDS. RAIN, MAINLY IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND NE 2 FT AT 7 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. A CHANCE OF RAIN.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH 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.
ANZ254-051000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
404 PM EST WED MAR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING
TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
THU
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS. PATCHY FOG. A CHANCE OF RAIN IN THE AFTERNOON. VSBY
1 NM OR LESS.
THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS. RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING E 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT. WAVE
DETAIL: E 8 FT AT 9 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: E 7 FT
AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. A CHANCE OF RAIN.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 10 TO 15 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.
ANZ255-051000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
404 PM EST WED MAR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING
TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS. AREAS OF FOG. VSBY 1 NM OR LESS AFTER
MIDNIGHT.
THU
E WINDS AROUND 5 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS.
AREAS OF FOG IN THE MORNING, THEN PATCHY FOG IN THE AFTERNOON.
RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 6 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS. RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND S 3 FT AT 5 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. A CHANCE OF RAIN.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW 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.
ANZ256-051000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
404 PM EST WED MAR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING
TONIGHT
SW WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE
5 FT AT 8 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
THU
NE WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS. AREAS OF FOG IN THE MORNING, THEN PATCHY FOG
IN THE AFTERNOON. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR
LESS.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 6 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS. RAIN LIKELY IN THE
MORNING.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING E 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE
DETAIL: NE 5 FT AT 9 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND S 3 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. A CHANCE OF RAIN.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW 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.
ANZ232-051000-
NANTUCKET SOUND-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS. AREAS OF FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
THU
NE WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND
SW 1 FOOT AT 6 SECONDS. PATCHY FOG. RAIN LIKELY IN THE AFTERNOON.
VSBY 1 NM OR LESS.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 4 SECONDS AND S 1 FOOT AT 5 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 6 SECONDS. RAIN, MAINLY IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS.
SAT
S WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
E 3 FT AT 9 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF
RAIN.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW 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.
ANZ233-051000-
VINEYARD SOUND-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND SW 1 FOOT AT 5 SECONDS. AREAS OF FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
NE WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS
AND SW 1 FOOT AT 5 SECONDS. AREAS OF FOG IN THE MORNING, THEN
PATCHY FOG IN THE AFTERNOON. RAIN LIKELY IN THE AFTERNOON. VSBY
1 NM OR LESS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NE 2 FT AT 4 SECONDS AND S 1 FOOT AT 5 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 4 SECONDS. RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 5 SECONDS.
SAT
S 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: SW 3 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF
RAIN.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW 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.
ANZ234-051000-
BUZZARDS BAY-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT 5 SECONDS. AREAS OF FOG
AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
NE WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS
AND SW 1 FOOT AT 5 SECONDS. AREAS OF FOG IN THE MORNING, THEN
PATCHY FOG IN THE AFTERNOON. RAIN LIKELY WITH A CHANCE OF
FREEZING RAIN IN THE AFTERNOON. VSBY 1 NM OR LESS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NE 2 FT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS.
RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 2 FT AT 4 SECONDS.
SAT
S 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: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 10 TO 15 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.
ANZ235-051000-
RHODE ISLAND SOUND-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS. AREAS OF FOG. VSBY 1 TO 3 NM, DECREASING TO
1 NM OR LESS AFTER MIDNIGHT.
THU
NE WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS. AREAS OF FOG IN THE MORNING, THEN PATCHY FOG IN THE
AFTERNOON. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 6 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 6 SECONDS. RAIN LIKELY IN THE MORNING.
FRI NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT
8 SECONDS.
SAT
S 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 3 FT AT
4 SECONDS AND SE 3 FT AT 9 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SUN NIGHT THROUGH MON NIGHT
SW 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.
ANZ237-051000-
BLOCK ISLAND SOUND-
404 PM EST WED MAR 4 2026
TONIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND S 1 FOOT AT 5 SECONDS. AREAS OF FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
NE WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS. AREAS OF FOG IN THE MORNING, THEN PATCHY FOG IN THE
AFTERNOON. A CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 6 SECONDS. RAIN LIKELY IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS.
SAT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. A CHANCE OF RAIN.
SUN
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT THROUGH MON NIGHT
SW 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.
ANZ230-051000-
BOSTON HARBOR-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU
N WINDS 5 TO 10 KT, BECOMING NE 15 TO 20 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT IN THE AFTERNOON.
PATCHY FOG. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. RAIN. SLEET
WITH A CHANCE OF SNOW IN THE EVENING, THEN SNOW WITH A CHANCE OF
SLEET AFTER MIDNIGHT.
FRI
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT. RAIN AND SNOW IN THE MORNING, THEN A
CHANCE OF RAIN IN THE AFTERNOON.
FRI NIGHT
NE WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS, EXCEPT 2 TO 4 FT AT THE OUTER HARBOR
ENTRANCE.
SAT
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES AROUND 2 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. A CHANCE OF RAIN.
SUN THROUGH MON NIGHT
SW 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.
ANZ236-051000-
NARRAGANSETT BAY-
404 PM EST WED MAR 4 2026
TONIGHT
SW WINDS AROUND 5 KT. WAVES 2 TO 3 FT. AREAS OF FOG.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
N WINDS AROUND 5 KT, BECOMING NE IN THE AFTERNOON. WAVES
2 TO 3 FT. PATCHY FOG. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT. RAIN.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
SAT
S WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 4 FT. A CHANCE OF RAIN.
SUN THROUGH MON NIGHT
SW WINDS 10 TO 15 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.
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