346
FZUS51 KBOX 240204
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 PM EDT TUE JUN 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-241500-
1004 PM EDT TUE JUN 23 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT WITH WAVES OF LOW PRESSURE DRAPED ALONG THE NEW ENGLAND
COAST LATE TUE, BEGINS TO MOVE OFFSHORE TONIGHT, FOLLOWED BY DRY
WESTERLY FLOW WED ACROSS THE MA/RI WATERS. WEAK HIGH PRESSURE AND
TRANQUIL WEATHER BUILDS ACROSS NEW ENGLAND THU. A COLD FRONT WITH
WAVES OF LOW PRES, WILL BRING A RISK FOR SHOWERS AND THUNDERSTORMS
THU NIGHT INTO FRI, POSSIBLY LINGERING INTO SAT. DRIER, TRANQUIL
BOATING WEATHER SHOULD RETURN SUN.
ANZ250-241500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS.
WED
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND E 3 FT AT 8 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT
5 SECONDS.
THU NIGHT
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
SW WINDS AROUND 5 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.
ANZ251-241500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SE 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS THIS EVENING. VSBY 1 TO 3 NM, DECREASING
TO 1 NM OR LESS.
WED
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
1 FOOT AT 5 SECONDS AND W 1 FOOT AT 5 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN THE
AFTERNOON.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
SW WINDS AROUND 5 KT. SEAS 1 FOOT
OR LESS.
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.
ANZ231-241500-
CAPE COD BAY-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 5 SECONDS. PATCHY
FOG. SHOWERS LIKELY THIS EVENING. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 6 SECONDS.
THU
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL:
SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 4 SECONDS, BECOMING SW
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 7 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 9 SECONDS AND S 1 FOOT AT 2 SECONDS.
FRI
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
NE WINDS AROUND 5 KT, BECOMING S. SEAS
1 FOOT OR LESS. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
NE WINDS AROUND 5 KT, BECOMING SW. SEAS
1 FOOT OR LESS.
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.
ANZ254-241500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS. PATCHY FOG. SHOWERS. A SLIGHT CHANCE OF TSTMS.
VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND E 4 FT AT 9 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND SE 3 FT AT 9 SECONDS.
THU NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND E 2 FT AT 10 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
NE WINDS AROUND 5 KT, BECOMING W AROUND
5 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.
ANZ255-241500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND NE 1 FOOT AT 7 SECONDS. PATCHY FOG. SHOWERS
WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND NE 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E
3 FT AT 9 SECONDS.
THU
SW WINDS AROUND 5 KT, INCREASING TO AROUND 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND
SE 2 FT AT 9 SECONDS.
THU NIGHT AND FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND E 1 FOOT AT
12 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE
OF SHOWERS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NE. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
NE WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ256-241500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND NE 1 FOOT AT 6 SECONDS. PATCHY FOG. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF TSTMS, THEN A CHANCE OF SHOWERS.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 1 FOOT AT
8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E
2 FT AT 8 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND E 3 FT AT 8 SECONDS.
THU NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND SE 2 FT AT 11 SECONDS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E 1 FOOT AT 7 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 3 FT. A
CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING E. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ232-241500-
NANTUCKET SOUND-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 5 SECONDS AND E 1 FOOT AT 6 SECONDS. PATCHY FOG.
SHOWERS. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND E 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 5 SECONDS AND SW 1 FOOT AT
5 SECONDS.
THU NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT 6 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
NE WINDS AROUND 5 KT, BECOMING SW. 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.
ANZ233-241500-
VINEYARD SOUND-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 6 SECONDS AND NE 1 FOOT AT 3 SECONDS. PATCHY FOG.
SHOWERS. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND
E 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E
1 FOOT AT 7 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND SE 2 FT AT
8 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 6 SECONDS AND E 1 FOOT AT 5 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ234-241500-
BUZZARDS BAY-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 6 SECONDS. PATCHY FOG.
SHOWERS LIKELY. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E 1 FOOT AT
5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
THU
SW WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND S 2 FT AT 8 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING E. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ235-241500-
RHODE ISLAND SOUND-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND NE 2 FT AT 4 SECONDS. PATCHY FOG. SHOWERS
LIKELY. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
2 FT AT 10 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
WED NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SE
3 FT AT 8 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
THU NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ237-241500-
BLOCK ISLAND SOUND-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND E 2 FT AT
8 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NE. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ230-241500-
BOSTON HARBOR-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
NE WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT. WAVES
1 FOOT OR LESS. PATCHY FOG. A CHANCE OF SHOWERS THIS EVENING.
VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. PATCHY FOG IN
THE MORNING.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU
W WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SHOWERS
LIKELY AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT. SHOWERS LIKELY.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT
OR LESS.
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.
ANZ236-241500-
NARRAGANSETT BAY-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG. A
CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES
AROUND 2 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING W. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ280-241500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS.
WED
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
THU
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND E 1 FOOT AT
7 SECONDS.
THU NIGHT AND FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 2 FT AT
13 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT 12 SECONDS. A
CHANCE OF SHOWERS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
W WINDS AROUND 5 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.
ANZ281-241500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 6 SECONDS AND NE 1 FOOT AT 5 SECONDS. PATCHY FOG. SHOWERS
WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND NE 1 FOOT AT
4 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND E
4 FT AT 7 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 NM OR
LESS.
THU
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND E 3 FT AT 9 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
S 3 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING N. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
N WINDS AROUND 5 KT, BECOMING NW. SEAS 3 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.
ANZ282-241500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS. PATCHY FOG. SHOWERS WITH A CHANCE OF TSTMS.
VSBY 1 NM OR LESS.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND NE 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 NM OR LESS.
WED NIGHT
SW WINDS AROUND 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL:
S 5 FT AT 8 SECONDS AND E 3 FT AT 10 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND SE 2 FT AT 9 SECONDS.
THU NIGHT AND FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E 1 FOOT
AT 11 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE
1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING N. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
N WINDS 5 TO 10 KT. SEAS 3 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.
ANZ283-241500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 PM EDT TUE JUN 23 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 6 SECONDS AND NE 2 FT AT 7 SECONDS. PATCHY FOG. SHOWERS.
A CHANCE OF TSTMS, THEN A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR
LESS, INCREASING TO 1 TO 3 NM.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND NE 1 FOOT AT
6 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
WED NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E
2 FT AT 9 SECONDS.
THU
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
THU NIGHT AND FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND NE 1 FOOT
AT 7 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE
1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NE. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
SUN AND SUN NIGHT
NE WINDS AROUND 5 KT, BECOMING S. SEAS 3 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.
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