889
FZUS51 KBOX 212307
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
706 PM EDT SAT MAR 21 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-221200-
706 PM EDT SAT MAR 21 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A SERIES OF WEAK LOW PRES SYSTEMS WILL MOVE THROUGH NEW ENGLAND OVER
THE WEEKEND, FOLLOWED BY HIGH PRES EARLY NEXT WEEK. UNSETTLED
CONDITIONS POSSIBLE MID TO LATE WEEK.
ANZ250-221200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
706 PM EDT SAT MAR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING NE
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS
AND NW 2 FT AT 3 SECONDS.
SUN
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. A CHANCE OF RAIN IN
THE MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT
AT 4 SECONDS AND S 4 FT AT 5 SECONDS. RAIN.
MON
N WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 8 SECONDS AND NE 6 FT AT 7 SECONDS.
A CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
6 TO 7 FT. WAVE DETAIL: NE 7 FT AT 9 SECONDS AND NE 2 FT AT
5 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.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. RAIN AND SNOW 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.
ANZ251-221200-
MASSACHUSETTS BAY AND IPSWICH BAY-
706 PM EDT SAT MAR 21 2026
TONIGHT
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND N 1 FOOT AT
4 SECONDS.
SUN
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
RAIN.
SUN NIGHT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 4 SECONDS AND E 3 FT AT 8 SECONDS. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS. A
CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL:
NE 5 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE OF SNOW
SHOWERS.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING S
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
THU
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT. SEAS AROUND 3 FT. RAIN AND
SNOW 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.
ANZ231-221200-
CAPE COD BAY-
706 PM EDT SAT MAR 21 2026
TONIGHT
NE WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND N 1 FOOT AT
4 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
RAIN.
SUN NIGHT
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
BECOMING N WITH GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT.
WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS. A
CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF SNOW SHOWERS IN
THE AFTERNOON.
MON NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
NE 5 FT AT 9 SECONDS AND N 4 FT AT 5 SECONDS. A CHANCE OF SNOW
SHOWERS.
TUE
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
AROUND 5 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: NE
4 FT AT 9 SECONDS AND N 3 FT AT 5 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
THU
S 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 WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. RAIN AND SNOW 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.
ANZ254-221200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
706 PM EDT SAT MAR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING E
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS
AND N 2 FT AT 4 SECONDS.
SUN
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 4 FT AT
7 SECONDS AND NW 2 FT AT 3 SECONDS. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND N 4 FT AT 4 SECONDS. A
CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT AND TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: NE 8 FT AT 8 SECONDS AND N 2 FT AT
5 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: NE 5 FT AT 9 SECONDS AND SW 3 FT AT
5 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
THU NIGHT
SW 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.
ANZ255-221200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
706 PM EDT SAT MAR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING
SE AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN
THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT
7 SECONDS AND SE 2 FT AT 8 SECONDS. RAIN LIKELY.
MON
N WINDS 15 TO 20 KT WITH 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. A
CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT AND TUE
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND N 4 FT AT
5 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 THROUGH THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
THU NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. A CHANCE OF RAIN.
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.
ANZ256-221200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
706 PM EDT SAT MAR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N WITH GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT.
WAVE DETAIL: S 5 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. RAIN.
MON
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 NE 4 FT AT 5 SECONDS.
A CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 4 FT AT 9 SECONDS AND N 3 FT AT
4 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: N 3 FT AT 4 SECONDS AND SW 3 FT AT 4 SECONDS.
WED THROUGH THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
THU NIGHT
SW 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.
ANZ232-221200-
NANTUCKET SOUND-
706 PM EDT SAT MAR 21 2026
TONIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING
SE AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 1 FOOT AT
3 SECONDS AND SW 1 FOOT AT 7 SECONDS.
SUN
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE
AFTERNOON.
SUN NIGHT
W WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT
3 SECONDS AND SE 2 FT AT 6 SECONDS. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. A
CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. A CHANCE OF SNOW
SHOWERS IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 25 TO 30 KT. SEAS 3 TO 4 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.
ANZ233-221200-
VINEYARD SOUND-
706 PM EDT SAT MAR 21 2026
TONIGHT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE
AFTERNOON.
SUN NIGHT
W WINDS AROUND 10 KT, BECOMING N WITH GUSTS UP TO
25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
7 SECONDS. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS.
A CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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 AND TUE 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.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 25 TO 30 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.
ANZ234-221200-
BUZZARDS BAY-
706 PM EDT SAT MAR 21 2026
TONIGHT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE
AFTERNOON.
SUN NIGHT
W WINDS AROUND 10 KT, BECOMING N WITH GUSTS UP TO
25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
7 SECONDS AND W 1 FOOT AT 3 SECONDS. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
A CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE
2 FT AT 9 SECONDS. A CHANCE OF SNOW SHOWERS IN THE EVENING.
TUE AND TUE 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.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 25 TO 30 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.
ANZ235-221200-
RHODE ISLAND SOUND-
706 PM EDT SAT MAR 21 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY
IN THE AFTERNOON.
SUN NIGHT
W WINDS AROUND 10 KT, BECOMING N WITH GUSTS UP TO
30 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT
7 SECONDS AND SE 3 FT AT 8 SECONDS. RAIN.
MON
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 NE 3 FT AT 3 SECONDS.
A CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND NE 3 FT AT
4 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
THU NIGHT
SW 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.
ANZ237-221200-
BLOCK ISLAND SOUND-
706 PM EDT SAT MAR 21 2026
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
SUN NIGHT
W WINDS AROUND 10 KT, BECOMING N WITH GUSTS UP TO
30 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT
7 SECONDS AND SE 3 FT AT 8 SECONDS. RAIN.
MON
N WINDS 10 TO 15 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 3 SECONDS. A
CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND N 2 FT AT
4 SECONDS.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND S 2 FT AT
8 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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.
ANZ230-221200-
BOSTON HARBOR-
706 PM EDT SAT MAR 21 2026
TONIGHT
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. WAVES
AROUND 2 FT THIS EVENING, THEN 1 FOOT OR LESS.
SUN
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES AROUND 2 FT. RAIN.
SUN NIGHT
NE WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. RAIN.
MON
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. A CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. A CHANCE OF SNOW SHOWERS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES AROUND 2 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT. WAVES AROUND 2 FT. RAIN AND
SNOW 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.
ANZ236-221200-
NARRAGANSETT BAY-
706 PM EDT SAT MAR 21 2026
TONIGHT
NE WINDS AROUND 5 KT, BECOMING SE AFTER MIDNIGHT.
WAVES 2 TO 3 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE
AFTERNOON.
SUN NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. RAIN.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
3 FT. A CHANCE OF RAIN IN THE MORNING.
MON NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES 2 TO 3 FT. A CHANCE OF SNOW SHOWERS IN THE
EVENING.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
THU NIGHT
SW WINDS 20 TO 25 KT. WAVES 2 TO 4 FT. RAIN AND SNOW
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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