849
FZUS51 KBOX 010205
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 PM EDT SUN MAY 31 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-011500-
1005 PM EDT SUN MAY 31 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT CROSSES THE WATERS OVERNIGHT INTO MON MORNING. THE
CENTER OF HIGH PRES THEN BUILDS JUST WEST OF THE REGION AS LOW PRES
SPINS OFF THE MID-ATLANTIC COAST FOR MUCH OF THE WORK WEEK.
ANZ250-011500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
SW WINDS 5 TO 10 KT, BECOMING NW. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 2 FT AT 6 SECONDS. A
SLIGHT CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT AT 6 SECONDS.
MON NIGHT
E WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 2 FT AT
4 SECONDS.
TUE
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TUE NIGHT
S WINDS AROUND 10 KT, BECOMING W AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
THU THROUGH FRI 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.
ANZ251-011500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
W WINDS 5 TO 10 KT, BECOMING NW. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE 2 FT AT 6 SECONDS. A
SLIGHT CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
MON NIGHT
SE WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE 2 FT AT
4 SECONDS.
TUE
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND NE 1 FOOT AT
4 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
THU THROUGH FRI 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.
ANZ231-011500-
CAPE COD BAY-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 11 SECONDS AND SW 1 FOOT AT 2 SECONDS. A SLIGHT CHANCE
OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND NE 2 FT AT 9 SECONDS.
MON NIGHT
NE WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 9 SECONDS AND E 2 FT AT
11 SECONDS.
TUE
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 10 SECONDS AND SW 1 FOOT AT
4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
4 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO
20 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.
ANZ254-011500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 PM EDT SUN MAY 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT MONDAY
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND N 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS
WITH ISOLATED TSTMS, THEN A SLIGHT CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND NE 2 FT AT 3 SECONDS.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE 2 FT AT
4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND NE 1 FOOT AT 4 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 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.
ANZ255-011500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 PM EDT SUN MAY 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT MONDAY
OVERNIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND SW 3 FT AT 5 SECONDS. SHOWERS LIKELY THIS
EVENING.
MON
NW WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND
NE 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS
AND NE 3 FT AT 4 SECONDS.
TUE
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE 1 FOOT AT
5 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND E 1 FOOT AT
4 SECONDS.
WED AND WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ256-011500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 PM EDT SUN MAY 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT MONDAY
OVERNIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
4 FT AT 10 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS
THIS EVENING.
MON
NW WINDS 10 TO 15 KT, BECOMING NE WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT
4 SECONDS AND SW 3 FT AT 5 SECONDS.
MON NIGHT
NE 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: NE 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
TUE
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT
4 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 10 SECONDS AND E 1 FOOT AT
3 SECONDS.
WED AND WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 10 SECONDS AND NW 1 FOOT AT 2 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ232-011500-
NANTUCKET SOUND-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND E 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS
WITH ISOLATED TSTMS, THEN A SLIGHT CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT
5 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
5 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 5 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 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.
ANZ233-011500-
VINEYARD SOUND-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS THIS EVENING.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND W 2 FT AT 5 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT
3 SECONDS AND SW 1 FOOT AT 5 SECONDS.
TUE
NW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL:
NE 1 FOOT AT 5 SECONDS AND SW 1 FOOT AT 5 SECONDS, BECOMING SE
2 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ234-011500-
BUZZARDS BAY-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS THIS EVENING.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND W 1 FOOT AT
5 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 5 SECONDS.
TUE
NW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL:
NE 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 5 SECONDS, BECOMING S
1 FOOT AT 5 SECONDS AND E 1 FOOT AT 6 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 5 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 4 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP 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.
ANZ235-011500-
RHODE ISLAND SOUND-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
SW WINDS AROUND 10 KT, BECOMING W. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS. A
CHANCE OF SHOWERS THIS EVENING.
MON
N WINDS 10 TO 15 KT, BECOMING NE WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS
AND NE 2 FT AT 3 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS
AND NE 2 FT AT 4 SECONDS.
TUE
N WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND NE 1 FOOT AT
3 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS AND SE 2 FT
AT 9 SECONDS.
WED AND WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU THROUGH FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ237-011500-
BLOCK ISLAND SOUND-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
S WINDS AROUND 5 KT, BECOMING W. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT 10 SECONDS. A
CHANCE OF SHOWERS THIS EVENING.
MON
N WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 3 SECONDS AND SW 2 FT AT 5 SECONDS.
MON NIGHT
E WINDS 10 TO 15 KT, BECOMING NE AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND E
2 FT AT 9 SECONDS.
TUE
N WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND SW 1 FOOT
AT 4 SECONDS.
WED AND WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 10 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU THROUGH FRI 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.
ANZ230-011500-
BOSTON HARBOR-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A SLIGHT
CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
MON NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
TUE
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU THROUGH FRI NIGHT
SW WINDS 5 TO 10 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.
ANZ236-011500-
NARRAGANSETT BAY-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
MON
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT.
WAVES AROUND 2 FT.
TUE
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU THROUGH FRI NIGHT
SW 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.
ANZ280-011500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
S WINDS AROUND 5 KT, BECOMING E 10 TO 15 KT. SEAS
AROUND 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT
3 SECONDS. A SLIGHT CHANCE OF SHOWERS. ISOLATED TSTMS.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT AT
4 SECONDS.
MON NIGHT
NE WINDS AROUND 5 KT, BECOMING W AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE
1 FOOT AT 4 SECONDS.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE NIGHT
S WINDS AROUND 10 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 3 SECONDS AND S 2 FT AT
4 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 4 TO 5 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.
ANZ281-011500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT. SEAS
4 TO 6 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND SW 2 FT AT
5 SECONDS. A CHANCE OF SHOWERS WITH ISOLATED TSTMS.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND NE 4 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND NE 2 FT AT 2 SECONDS.
TUE
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 10 SECONDS AND S 2 FT AT 9 SECONDS.
WED AND WED NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS AND SW 1 FOOT AT 6 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 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.
ANZ282-011500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
SW WINDS AROUND 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL:
E 6 FT AT 9 SECONDS AND W 2 FT AT 4 SECONDS. SHOWERS LIKELY THIS
EVENING.
MON
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS AND N 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT AT 5 SECONDS.
TUE
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND N 1 FOOT AT 4 SECONDS.
TUE NIGHT THROUGH WED NIGHT
N WINDS AROUND 5 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SE 1 FOOT AT
4 SECONDS.
THU AND THU NIGHT
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 3 TO
5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND W 2 FT AT 3 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ283-011500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 PM EDT SUN MAY 31 2026
OVERNIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND W 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS
THIS EVENING.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS AND N 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT AT 5 SECONDS.
TUE
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SE 1 FOOT AT
3 SECONDS.
WED AND WED NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
THU AND THU NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
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