832
FZUS51 KBOX 231147
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
747 AM EDT MON MAR 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-240100-
747 AM EDT MON MAR 23 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT CROSSING THE REGION WILL BRING RAIN AND SNOW SHOWERS
TO THE REGION TODAY WITH EVEN A FEW THUNDERSTORMS EARLY THIS
MORNING ACROSS THE WATERS NEAR NANTUCKET. HIGH PRES MOVES OVER
THE WATERS TUE INTO WED. UNSETTLED WEATHER POSSIBLE AGAIN TOWARDS
THE LATTER HALF OF THE WEEK.
ANZ250-240100-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND E 6 FT AT 10 SECONDS.
RAIN THIS MORNING, THEN RAIN AND SNOW SHOWERS LIKELY THIS
AFTERNOON.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
A CHANCE OF SNOW SHOWERS IN THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: NE 7 FT
AT 9 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND SW 3 FT AT
3 SECONDS.
WED
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
THU
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. RAIN LIKELY.
FRI
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 20 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.
ANZ251-240100-
MASSACHUSETTS BAY AND IPSWICH BAY-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
TODAY
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS AND E 4 FT AT 10 SECONDS.
RAIN WITH A CHANCE OF SNOW THIS MORNING, THEN SNOW AND RAIN
SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
SNOW SHOWERS LIKELY IN THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT
3 SECONDS.
WED
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 3 SECONDS AND
E 3 FT AT 9 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
THU
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW. SEAS 3 TO
5 FT. RAIN LIKELY.
FRI NIGHT
N WINDS 20 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.
ANZ231-240100-
CAPE COD BAY-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND S 2 FT AT 8 SECONDS.
RAIN THIS MORNING, THEN RAIN AND SNOW SHOWERS LIKELY THIS
AFTERNOON.
TONIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT
AT 9 SECONDS AND N 4 FT AT 5 SECONDS. SNOW SHOWERS LIKELY IN THE
EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 9 SECONDS AND N 3 FT AT 5 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 9 SECONDS AND SW 2 FT AT
3 SECONDS.
WED
SW WINDS AROUND 10 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL:
E 3 FT AT 9 SECONDS AND SW 2 FT AT 3 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT
6 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. RAIN LIKELY.
FRI
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. A CHANCE OF RAIN.
FRI NIGHT
N 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.
ANZ254-240100-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND S 4 FT AT 8 SECONDS.
RAIN AND TSTMS THIS MORNING, THEN A CHANCE OF SHOWERS THIS
AFTERNOON.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NE 6 FT AT 7 SECONDS.
A CHANCE OF SNOW AND RAIN SHOWERS IN THE EVENING.
TUE
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 7 FT. WAVE DETAIL: NE 7 FT AT 9 SECONDS AND S 3 FT AT
9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 9 SECONDS
AND SW 3 FT AT 4 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 4 FT AT 9 SECONDS AND W 3 FT AT 4 SECONDS.
WED NIGHT
SW 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 SE 2 FT AT
8 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
FRI
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. A CHANCE OF RAIN.
FRI NIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ255-240100-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
TODAY
N WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND N 4 FT AT 5 SECONDS. RAIN LIKELY WITH TSTMS THIS
MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N 4 FT
AT 5 SECONDS AND S 4 FT AT 8 SECONDS. A CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING.
TUE
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: S 4 FT AT 9 SECONDS AND
NE 4 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS
AND E 4 FT AT 9 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 4 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS.
THU NIGHT AND FRI
SW WINDS 25 TO 30 KT, BECOMING W. SEAS 5 TO
8 FT. A CHANCE OF RAIN.
FRI NIGHT
N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ256-240100-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
6 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND N 4 FT AT 5 SECONDS.
RAIN AND TSTMS THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND S 4 FT AT 8 SECONDS. A
CHANCE OF RAIN AND SNOW SHOWERS IN THE EVENING.
TUE
N WINDS 15 TO 20 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND N
3 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW. GUSTS UP
TO 30 KT. SEAS 5 TO 8 FT. A CHANCE OF RAIN.
FRI NIGHT
N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ232-240100-
NANTUCKET SOUND-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
RAIN AND TSTMS THIS MORNING, THEN A CHANCE OF SHOWERS THIS
AFTERNOON.
TONIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND E 2 FT AT 10 SECONDS. A CHANCE OF SNOW AND RAIN
SHOWERS LIKELY IN THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
THU
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ233-240100-
VINEYARD SOUND-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
RAIN THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS. A
CHANCE OF SNOW SHOWERS IN THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS
AND NE 1 FOOT AT 3 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS.
THU
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
FRI NIGHT
N 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.
ANZ234-240100-
BUZZARDS BAY-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
RAIN THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND S 2 FT AT 7 SECONDS. A CHANCE OF SNOW SHOWERS IN
THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND E 2 FT AT 9 SECONDS.
WED
SW 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
3 FT AT 4 SECONDS AND S 1 FOOT AT 8 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
FRI NIGHT
N 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.
ANZ235-240100-
RHODE ISLAND SOUND-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS.
RAIN THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS. A
CHANCE OF SNOW AND RAIN SHOWERS IN THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND N 2 FT AT 4 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS
AND S 2 FT AT 8 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
FRI
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
FRI NIGHT
N 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.
ANZ237-240100-
BLOCK ISLAND SOUND-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS.
RAIN THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS. A
CHANCE OF RAIN AND SNOW SHOWERS IN THE EVENING.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND NW 2 FT AT 3 SECONDS.
TUE NIGHT
SW 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 S 2 FT AT
8 SECONDS.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS.
THU
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
FRI NIGHT
N WINDS 15 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.
ANZ230-240100-
BOSTON HARBOR-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. WAVES AROUND 2 FT. RAIN WITH SNOW
LIKELY THIS MORNING, THEN SNOW SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. SNOW SHOWERS LIKELY IN THE EVENING.
TUE
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING W IN
THE AFTERNOON. WAVES AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR
LESS. AT THE OUTER HARBOR ENTRANCE, WAVES 2 TO 4 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WED
SW WINDS AROUND 10 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES AROUND 2 FT. A CHANCE OF
RAIN AFTER MIDNIGHT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF RAIN.
THU NIGHT AND FRI
SW WINDS 20 TO 25 KT, BECOMING NW 15 TO
20 KT. WAVES AROUND 2 FT. RAIN LIKELY.
FRI NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ236-240100-
NARRAGANSETT BAY-
747 AM EDT MON MAR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
3 FT. RAIN THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SNOW SHOWERS IN THE EVENING.
TUE
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES 2 TO 3 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
3 TO 5 FT. RAIN LIKELY.
FRI
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 3 TO
5 FT. A CHANCE OF RAIN.
FRI NIGHT
N 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.
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