049
FZUS51 KBOX 231405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 AM EDT TUE JUN 23 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-240300-
1005 AM EDT TUE JUN 23 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
AN AREA OF LOW PRES MOVES OVER THE SOUTH COASTAL WATERS
THROUGH TODAY WITH SHOWERS AND THUNDERSTORMS. WINDS SHIFT TO THE
W/NW THIS AFTERNOON INTO TONIGHT AS LOW PRES EXITS E. THIS WILL BE
FOLLOWED BY RELATIVELY CALM/QUIET CONDITIONS ACROSS THE COASTAL
WATERS FOR WED AND THU.
ANZ250-240300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT,
BECOMING N. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
E 2 FT AT 6 SECONDS. SHOWERS. ISOLATED TSTMS. PATCHY FOG.
TONIGHT
N WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND NW 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING. A CHANCE OF
SHOWERS AFTER MIDNIGHT. 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 AND SE 2 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: SE
3 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU AND THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT
AT 3 SECONDS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING SW. SEAS
AROUND 2 FT. A CHANCE OF SHOWERS.
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.
ANZ251-240300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT, BECOMING N. SEAS AROUND
2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 2 FT AT 5 SECONDS.
SHOWERS LIKELY. PATCHY FOG WITH VSBY 1 NM OR LESS.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT. WAVE DETAIL: SE 1 FOOT AT 4 SECONDS AND NE
1 FOOT AT 5 SECONDS, BECOMING N 1 FOOT AT 2 SECONDS AND SE 1 FOOT
AT 3 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE EVENING WITH
VSBY 1 TO 3 NM.
WED
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
WED NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 4 SECONDS.
THU
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING SW 1 FOOT
AT 2 SECONDS AND SE 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT.
GUSTS UP TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW. SEAS
1 FOOT OR LESS. 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.
ANZ231-240300-
CAPE COD BAY-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT, BECOMING N. SEAS AROUND
2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS. ISOLATED TSTMS. PATCHY FOG WITH VSBY 1 NM OR
LESS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 3 SECONDS. PATCHY FOG.
SHOWERS. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND N 1 FOOT AT
3 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
6 SECONDS.
WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND W 1 FOOT
AT 3 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND E 1 FOOT AT 3 SECONDS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND S 1 FOOT AT 2 SECONDS.
A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
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.
ANZ254-240300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT.
GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT
4 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS WITH ISOLATED
TSTMS. PATCHY FOG.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG. SHOWERS.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
WED
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND
E 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
FRI
S 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 SW 2 FT AT 3 SECONDS.
A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
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.
ANZ255-240300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. GUSTS UP TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT
7 SECONDS AND S 2 FT AT 3 SECONDS. SHOWERS WITH ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND N
2 FT AT 5 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
WED
NW WINDS 10 TO 15 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
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 W
3 FT AT 4 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
FRI
S 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
3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
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.
ANZ256-240300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT
6 SECONDS. SHOWERS. ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND N 2 FT AT 7 SECONDS. PATCHY FOG. SHOWERS.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
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 3 FT AT
8 SECONDS.
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 W
2 FT AT 4 SECONDS.
THU AND THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FOOT AT 4 SECONDS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 3 FT AT 7 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
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.
ANZ232-240300-
NANTUCKET SOUND-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS. SHOWERS WITH ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 6 SECONDS. PATCHY FOG.
SHOWERS. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER
MIDNIGHT.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 4 SECONDS AND E 1 FOOT AT 4 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 7 SECONDS. A CHANCE OF SHOWERS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ233-240300-
VINEYARD SOUND-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND E 1 FOOT AT 4 SECONDS. SHOWERS.
ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND NE 1 FOOT AT 4 SECONDS. PATCHY FOG.
SHOWERS. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER
MIDNIGHT.
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 4 SECONDS AND
S 2 FT AT 7 SECONDS.
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 8 SECONDS AND S
2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND E 1 FOOT AT 3 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND SE 1 FOOT
AT 13 SECONDS. A CHANCE OF SHOWERS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ234-240300-
BUZZARDS BAY-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 6 SECONDS AND E 1 FOOT AT 3 SECONDS. SHOWERS.
ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 5 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: SE 2 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 4 SECONDS AND SW 1 FOOT AT 4 SECONDS.
FRI THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE
1 FOOT AT 13 SECONDS. A CHANCE OF SHOWERS.
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.
ANZ235-240300-
RHODE ISLAND SOUND-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS AROUND 10 KT, BECOMING W. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS. SHOWERS. ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS. PATCHY FOG. SHOWERS,
MAINLY IN THE EVENING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM
AFTER MIDNIGHT.
WED
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W
2 FT AT 4 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 6 SECONDS AND SW 2 FT AT 4 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 SE 1 FOOT AT
12 SECONDS. A CHANCE OF SHOWERS.
SAT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ237-240300-
BLOCK ISLAND SOUND-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT, BECOMING W. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND SW 1 FOOT AT
4 SECONDS. SHOWERS. ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY FOG. SHOWERS
IN THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO
3 NM.
WED
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 1 FOOT AT
5 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND E 1 FOOT AT 3 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
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
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ230-240300-
BOSTON HARBOR-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT, BECOMING N. WAVES 1 FOOT OR
LESS. SHOWERS LIKELY. PATCHY FOG WITH VSBY 1 TO 3 NM.
TONIGHT
N WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. PATCHY FOG. SHOWERS LIKELY IN THE EVENING WITH
VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU
SW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS AND TSTMS.
SAT AND SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES 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.
ANZ236-240300-
NARRAGANSETT BAY-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT, BECOMING NW. WAVES AROUND
2 FT. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG.
SHOWERS, MAINLY IN THE EVENING. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU
W WINDS AROUND 5 KT, BECOMING S 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
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND
2 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.
ANZ280-240300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT.
GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT
4 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS. ISOLATED TSTMS.
TONIGHT
N WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND E 2 FT AT
8 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE EVENING. VSBY 1 TO
3 NM.
WED
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 2 FT AT
9 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
THU AND THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND E 1 FOOT AT 3 SECONDS.
FRI AND FRI NIGHT
SW 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 SW 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING W. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
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.
ANZ281-240300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS. SHOWERS WITH
ISOLATED TSTMS.
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND N 2 FT AT
4 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM AFTER MIDNIGHT.
WED
N WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND
N 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
THU AND THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND NW 1 FOOT AT 4 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 SW 2 FT AT 4 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. A CHANCE OF SHOWERS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
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.
ANZ282-240300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND S 1 FOOT
AT 2 SECONDS. ISOLATED TSTMS. SHOWERS LIKELY, THEN SHOWERS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND N
2 FT AT 4 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
WED
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND N 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
WED NIGHT
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
S 4 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
THU AND THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
FRI
S WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
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.
ANZ283-240300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 AM EDT TUE JUN 23 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS. SHOWERS
LIKELY WITH ISOLATED TSTMS.
TONIGHT
NW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND NW
2 FT AT 3 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
WED
NW WINDS 10 TO 15 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
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 W
2 FT AT 4 SECONDS.
THU AND THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND S 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. A CHANCE OF SHOWERS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
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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