170
FZUS51 KBOX 020503
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 AM EDT SAT MAY 2 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-021800-
103 AM EDT SAT MAY 2 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
CALM CONDITIONS THROUGH THE REST OF TODAY. UNSETTLED OVER THE WATERS
AS A COASTAL LOW PRES TRACKS JUST SW OF THE 40N/70W BENCHMARK SAT
INTO SUN. HIGH PRES RETURNS OVER THE WATERS FOR MON BEFORE ANOTHER
DISTURBANCE MAY APPROACH TOWARDS THE SECOND HALF OF NEXT WEEK.
ANZ250-021800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS AND S 2 FT AT 3 SECONDS. SCATTERED SHOWERS IN THE
MORNING, THEN A CHANCE OF RAIN IN THE AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 2 FT AT
3 SECONDS. RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND E 4 FT AT 9 SECONDS.
RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND NW 3 FT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND SW 4 FT AT
4 SECONDS.
TUE
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. SHOWERS 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.
ANZ251-021800-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS AND S 2 FT AT 5 SECONDS. SCATTERED SHOWERS IN THE
MORNING, THEN A CHANCE OF RAIN IN THE AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT
5 SECONDS. RAIN.
SUN
N WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND
E 3 FT AT 9 SECONDS. RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND NW 2 FT AT 3 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT IN THE AFTERNOON. WAVE DETAIL: E 5 FT AT 10 SECONDS AND NW
2 FT AT 4 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND E 3 FT AT
9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT.
WED
S WINDS 20 TO 25 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. SHOWERS 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.
ANZ231-021800-
CAPE COD BAY-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 6 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS. RAIN LIKELY IN THE
AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
9 SECONDS. RAIN.
SUN
NW 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 NE 1 FOOT AT
10 SECONDS. RAIN.
SUN NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND W 2 FT AT
4 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. SHOWERS 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.
ANZ254-021800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS AND S 2 FT AT 3 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S
2 FT AT 4 SECONDS. RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS.
RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND NW
3 FT AT 5 SECONDS.
MON AND MON 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 4 FT AT
5 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO
25 KT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ255-021800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND W 2 FT AT 5 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS.
RAIN.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE
DETAIL: W 4 FT AT 6 SECONDS AND SE 4 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
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.
ANZ256-021800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. SCATTERED SHOWERS IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SW
2 FT AT 5 SECONDS. RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
A CHANCE OF RAIN.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: W 4 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS
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.
ANZ232-021800-
NANTUCKET SOUND-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 2 FT AT 9 SECONDS. RAIN LIKELY IN THE
AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
E 2 FT AT 9 SECONDS. RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 3 FT AT 3 SECONDS AND E 1 FOOT AT
9 SECONDS. RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE
2 FT AT 9 SECONDS.
MON AND MON 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 E 2 FT AT
8 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO
25 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
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.
ANZ233-021800-
VINEYARD SOUND-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. SCATTERED SHOWERS
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 9 SECONDS. RAIN.
SUN
NW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND S
1 FOOT AT 10 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS
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.
ANZ234-021800-
BUZZARDS BAY-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. SCATTERED SHOWERS
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 5 SECONDS
AND SE 1 FOOT AT 9 SECONDS. RAIN.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND S
1 FOOT AT 9 SECONDS.
MON AND MON 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 1 FOOT
AT 8 SECONDS.
TUE AND TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS 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.
ANZ235-021800-
RHODE ISLAND SOUND-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. SCATTERED SHOWERS IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS. RAIN.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE
3 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT.
TUE AND TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. SHOWERS
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.
ANZ237-021800-
BLOCK ISLAND SOUND-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. SCATTERED SHOWERS IN THE
MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS. RAIN LIKELY, MAINLY IN THE EVENING.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF RAIN IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: W 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
MON
SW 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: SW
4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING S 20 TO
25 KT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. SHOWERS 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.
ANZ230-021800-
BOSTON HARBOR-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. SCATTERED SHOWERS IN THE MORNING, THEN A CHANCE
OF RAIN IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS. RAIN.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. RAIN.
SUN NIGHT THROUGH MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. WAVES AROUND 2 FT.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO
25 KT. WAVES AROUND 2 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. SHOWERS 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.
ANZ236-021800-
NARRAGANSETT BAY-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SCATTERED SHOWERS
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. RAIN.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
SUN NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES 2 TO 3 FT.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 4 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 3 TO 5 FT. SHOWERS
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.
ANZ280-021800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND S 2 FT AT 4 SECONDS. A CHANCE OF RAIN IN THE
AFTERNOON.
SAT NIGHT
S WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND
S 2 FT AT 5 SECONDS. RAIN.
SUN
N WINDS 15 TO 20 KT, BECOMING NW IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS AROUND 4 FT, BUILDING TO 5 TO 7 FT IN THE
AFTERNOON. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS, BECOMING N 4 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS.
RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND NW 4 FT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 5 FT AT
10 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 7 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS 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.
ANZ281-021800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS AROUND 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. A CHANCE OF RAIN IN
THE AFTERNOON.
SAT NIGHT
SE WINDS AROUND 10 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S
2 FT AT 5 SECONDS. RAIN.
SUN
N WINDS 20 TO 25 KT, BECOMING NW IN THE AFTERNOON. GUSTS
UP TO 30 KT. SEAS 5 TO 7 FT, BUILDING TO 6 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: E 5 FT AT 9 SECONDS AND W 4 FT AT
5 SECONDS, BECOMING NW 5 FT AT 6 SECONDS AND E 5 FT AT 9 SECONDS.
RAIN.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E
7 FT AT 10 SECONDS AND W 4 FT AT 6 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 5 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
5 FT.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
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.
ANZ282-021800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND W 2 FT AT 5 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND W 2 FT AT 5 SECONDS. RAIN LIKELY IN THE
AFTERNOON.
SAT NIGHT
SE WINDS AROUND 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW
3 FT AT 5 SECONDS. RAIN.
SUN
NW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: W 6 FT
AT 6 SECONDS AND E 5 FT AT 9 SECONDS. RAIN.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 7 TO 8 FT, SUBSIDING TO
5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND E
5 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 5 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO
25 KT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
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.
ANZ283-021800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 AM EDT SAT MAY 2 2026
REST OF TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND W 2 FT AT 4 SECONDS.
SAT
S WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. RAIN IN THE AFTERNOON.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS. RAIN.
SUN
NW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS.
A CHANCE OF RAIN.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W
5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT.
TUE
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
9 FT.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
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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