594
FZUS51 KBOX 041809
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
108 PM EST WED MAR 4 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-050700-
108 PM EST WED MAR 4 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS OVER THE WATERS WED, THEN 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 SATURDAY NIGHT FOLLOWED BY HIGH
PRESSURE.
ANZ250-050700-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
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: SE
3 FT AT 8 SECONDS AND NE 2 FT AT 2 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
THU NIGHT
E WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND SE 2 FT AT
9 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 AND SE 2 FT AT 11 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 AND NE 1 FOOT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH 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
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.
ANZ251-050700-
MASSACHUSETTS BAY AND IPSWICH BAY-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND E 2 FT AT 10 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
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
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 7 SECONDS AND SE 2 FT AT
10 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 AND E 1 FOOT AT 11 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 AND NE
1 FOOT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. A CHANCE OF RAIN.
SUN AND SUN 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.
ANZ231-050700-
CAPE COD BAY-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SE 2 FT AT 10 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 NE 1 FOOT AT 2 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
THU NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND
SE 2 FT AT 9 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 10 SECONDS AND E 3 FT AT 4 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: E 4 FT AT 9 SECONDS AND N 2 FT AT
4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
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
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.
ANZ254-050700-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
108 PM EST WED MAR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND SE 1 FOOT AT 11 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: SE
3 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE AFTERNOON.
THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SE 3 FT AT
11 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 AND SE 2 FT AT 11 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 AND NE 1 FOOT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
8 FT.
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
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.
ANZ255-050700-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
108 PM EST WED MAR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 8 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND SE 1 FOOT 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: SE 4 FT AT 8 SECONDS AND
SE 1 FOOT AT 12 SECONDS. AREAS OF FOG IN THE MORNING. RAIN LIKELY
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 4 FT AT 5 SECONDS AND S 2 FT AT
9 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 6 SECONDS AND SE 5 FT AT 11 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 5 FT AT 8 SECONDS
AND N 3 FT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
SAT NIGHT AND SUN
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
BECOMING W 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO 8 FT. A
CHANCE OF RAIN.
SUN 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.
ANZ256-050700-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
108 PM EST WED MAR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS.
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 9 SECONDS AND SE 1 FOOT AT 12 SECONDS. AREAS OF FOG IN
THE MORNING. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS IN
THE MORNING.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 5 SECONDS AND SE 3 FT AT
10 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 6 SECONDS AND SE 3 FT AT
10 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 4 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
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
SW WINDS 10 TO 15 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.
ANZ232-050700-
NANTUCKET SOUND-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 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: S 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 2 SECONDS. RAIN LIKELY IN THE AFTERNOON.
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 7 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT
AT 5 SECONDS AND E 3 FT AT 11 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 9 SECONDS AND NE 2 FT AT 5 SECONDS.
SAT
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
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
SW 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.
ANZ233-050700-
VINEYARD SOUND-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 8 SECONDS AND SE 1 FOOT AT 8 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: S 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 2 SECONDS. AREAS OF FOG IN THE MORNING. RAIN LIKELY
IN THE AFTERNOON. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NE 2 FT AT 3 SECONDS AND SE 2 FT AT 10 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 4 SECONDS AND SE 2 FT AT 11 SECONDS. RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 10 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
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
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.
ANZ234-050700-
BUZZARDS BAY-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 8 SECONDS AND SW 1 FOOT AT 4 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: S 2 FT AT 7 SECONDS AND
NE 1 FOOT AT 2 SECONDS. AREAS OF FOG IN THE MORNING. 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 7 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 AND
SE 2 FT AT 10 SECONDS. RAIN IN THE MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
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
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.
ANZ235-050700-
RHODE ISLAND SOUND-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS.
TONIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
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: SE
4 FT AT 9 SECONDS AND SE 1 FOOT AT 12 SECONDS. AREAS OF FOG IN
THE MORNING. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS IN
THE MORNING.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS. RAIN.
FRI
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 5 SECONDS AND SE 3 FT AT 8 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 3 FT AT 5 SECONDS
AND SE 3 FT AT 10 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
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
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.
ANZ237-050700-
BLOCK ISLAND SOUND-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS.
TONIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
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: SE
3 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN
LIKELY IN THE AFTERNOON. AREAS OF FOG IN THE MORNING WITH VSBY
1 NM OR LESS.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND SE 3 FT AT
9 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 5 SECONDS AND SE 2 FT AT 10 SECONDS. RAIN LIKELY IN THE
MORNING.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SE 3 FT AT 10 SECONDS.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
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
SW WINDS AROUND 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.
ANZ230-050700-
BOSTON HARBOR-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
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.
RAIN LIKELY 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 15 TO 20 KT WITH GUSTS UP TO 25 KT. 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 AND SUN 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.
ANZ236-050700-
NARRAGANSETT BAY-
108 PM EST WED MAR 4 2026
THIS AFTERNOON
S WINDS AROUND 5 KT. WAVES 2 TO 3 FT.
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. AREAS OF FOG IN THE MORNING. RAIN LIKELY IN THE
AFTERNOON. VSBY 1 NM OR LESS IN THE MORNING.
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 15 TO 20 KT. 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 AND SUN 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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page