285
FZUS51 KBOX 300205
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 PM EDT WED JUL 29 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-301500-
1005 PM EDT WED JUL 29 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
ROUGH SEAS CONTINUE THROUGH FRI AS LOW PRES APPROACHES FROM THE W
AND BRINGS PERIODIC CHANCES FOR SHOWERS AND PERHAPS THUNDERSTORMS.
WINDS WILL BE MORE NE THROUGH THU, GOING MORE NW THU NIGHT. ROUGH
SEAS SHOULD START TO DIMINISH HEADING INTO THE BACK HALF OF THE WEEK.
ANZ250-301500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 PM EDT WED JUL 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
OVERNIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS. VSBY 1 NM OR LESS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS IN THE
MORNING.
THU NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 5 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND SE
3 FT AT 9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE
EVENING.
FRI
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT
4 SECONDS AND SE 3 FT AT 10 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
NE 2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT.
SUN NIGHT AND MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 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.
ANZ251-301500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS. PATCHY FOG. SHOWERS LIKELY. A CHANCE OF TSTMS. VSBY
1 NM OR LESS.
THU
NE 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 1 FOOT AT 10 SECONDS. PATCHY FOG.
SHOWERS LIKELY, MAINLY IN THE MORNING. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SW
1 FOOT AT 6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE
EVENING WITH VSBY 1 TO 3 NM.
FRI
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT
6 SECONDS AND SE 1 FOOT AT 10 SECONDS.
FRI NIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
SUN NIGHT AND MON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. 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.
ANZ231-301500-
CAPE COD BAY-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS, THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM, DECREASING TO
1 NM OR LESS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 10 SECONDS AND SE 1 FOOT AT 4 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
N WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 2 FT AT 4 SECONDS AND N 2 FT AT 7 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS IN THE EVENING.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 5 SECONDS AND SW 1 FOOT AT 6 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND N 1 FOOT AT
5 SECONDS.
SUN
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
5 SECONDS.
SUN NIGHT AND MON
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT, THEN
1 FOOT OR LESS. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.
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.
ANZ254-301500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 PM EDT WED JUL 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
OVERNIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND S 2 FT AT
5 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
TSTMS. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS.
THU
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 6 SECONDS AND S 1 FOOT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
THU NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE EVENING.
FRI
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND
N 2 FT AT 5 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND NE 2 FT AT 5 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 9 SECONDS AND NE 2 FT AT 5 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
MON
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 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.
ANZ255-301500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 PM EDT WED JUL 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
OVERNIGHT
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE
5 FT AT 6 SECONDS AND SW 1 FOOT AT 6 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE
OF SHOWERS. VSBY 1 NM OR LESS.
THU
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT
8 SECONDS AND NE 2 FT AT 6 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM.
FRI
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 9 SECONDS AND W
2 FT AT 5 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
9 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
MON
SW WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 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.
ANZ256-301500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 PM EDT WED JUL 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
OVERNIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 5 FT. WAVE DETAIL:
SE 5 FT AT 6 SECONDS AND N 2 FT AT 7 SECONDS. PATCHY FOG. A
SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
THU
SW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE MORNING WITH
VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND NW 3 FT AT 5 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM IN THE EVENING.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 4 TO
5 FT. WAVE DETAIL: S 4 FT AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
9 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
MON
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
MON NIGHT
W WINDS 5 TO 10 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.
ANZ232-301500-
NANTUCKET SOUND-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT
5 SECONDS AND S 1 FOOT AT 6 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS, THEN A SLIGHT CHANCE OF
SHOWERS. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
5 SECONDS AND S 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS. PATCHY
FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM.
FRI
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND
SW 1 FOOT AT 5 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS.
SUN
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND E 1 FOOT AT 5 SECONDS.
SUN NIGHT AND MON
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 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.
ANZ233-301500-
VINEYARD SOUND-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 8 SECONDS AND S 2 FT AT 6 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS. A SLIGHT CHANCE OF TSTMS. VSBY 1 TO 3 NM.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 8 SECONDS AND SW 2 FT AT 5 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM IN THE EVENING.
FRI
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND SW 2 FT AT 9 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SW 1 FOOT AT 9 SECONDS.
SUN NIGHT THROUGH MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO
4 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.
ANZ234-301500-
BUZZARDS BAY-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 4 SECONDS AND SW 1 FOOT AT 7 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS. VSBY 1 TO 3 NM,
DECREASING TO 1 NM OR LESS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 4 SECONDS AND E 1 FOOT AT 5 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS. PATCHY FOG.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 5 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT 6 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT.
SUN NIGHT THROUGH MON 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.
ANZ235-301500-
RHODE ISLAND SOUND-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
4 FT AT 6 SECONDS AND S 1 FOOT AT 6 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS. A SLIGHT CHANCE OF TSTMS. VSBY 1 TO 3 NM.
THU
E WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E 2 FT AT
5 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM IN THE
MORNING.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND N 2 FT AT 5 SECONDS. PATCHY FOG.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 9 SECONDS AND N 2 FT AT 4 SECONDS.
FRI NIGHT THROUGH SAT 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 4 SECONDS.
SUN
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND S 2 FT AT 5 SECONDS.
SUN NIGHT AND MON
SW WINDS AROUND 10 KT. SEAS 2 TO 4 FT. A
CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 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.
ANZ237-301500-
BLOCK ISLAND SOUND-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
S WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 7 SECONDS AND SW 1 FOOT AT 6 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 6 SECONDS AND S 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS. PATCHY FOG IN THE
EVENING.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: S 3 FT AT 9 SECONDS AND N 1 FOOT AT
4 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN NIGHT AND MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A
CHANCE OF SHOWERS.
MON NIGHT
W WINDS 5 TO 10 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.
ANZ230-301500-
BOSTON HARBOR-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT. PATCHY FOG. SHOWERS LIKELY. A CHANCE OF TSTMS. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. PATCHY FOG. SHOWERS LIKELY, MAINLY IN THE MORNING. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
THU NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
PATCHY FOG. A CHANCE OF SHOWERS IN THE EVENING WITH VSBY 1 TO
3 NM.
FRI
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN NIGHT THROUGH MON NIGHT
W WINDS 5 TO 10 KT. 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.
ANZ236-301500-
NARRAGANSETT BAY-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
E WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. PATCHY FOG. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS. VSBY 1 TO 3 NM.
THU
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. PATCHY FOG. SHOWERS
LIKELY. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. PATCHY FOG IN
THE EVENING.
FRI
NW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF
SPRINKLES IN THE AFTERNOON.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SPRINKLES IN THE EVENING.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING W. WAVES 2 TO
3 FT. 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.
ANZ280-301500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND S 3 FT AT
8 SECONDS. PATCHY FOG. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
VSBY 1 NM OR LESS.
THU
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND S 4 FT AT 9 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS IN THE
MORNING.
THU NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND NE
3 FT AT 6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS.
FRI
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS AND N 3 FT AT 5 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 3 FT AT 9 SECONDS AND S 2 FT AT 3 SECONDS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT.
SUN NIGHT AND MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
MON NIGHT
W 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.
ANZ281-301500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
SE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT.
GUSTS UP TO 25 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S 5 FT AT
7 SECONDS AND S 2 FT AT 5 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. A CHANCE OF TSTMS. VSBY 1 NM OR LESS.
THU
S WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S 5 FT AT
8 SECONDS AND E 3 FT AT 6 SECONDS. PATCHY FOG IN THE MORNING WITH
VSBY 1 NM OR LESS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND NE 2 FT AT
6 SECONDS. PATCHY FOG.
FRI
N WINDS 5 TO 10 KT. SEAS AROUND 5 FT. WAVE DETAIL: S 5 FT
AT 9 SECONDS AND N 3 FT AT 5 SECONDS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
4 FT AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 9 SECONDS AND SW 2 FT AT 3 SECONDS.
SUN
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
3 FT.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
MON
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 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.
ANZ282-301500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
S WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S
6 FT AT 6 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
THU
SW WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
THU NIGHT
W WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS. PATCHY FOG.
FRI
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT 9 SECONDS AND N
2 FT AT 5 SECONDS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND N 2 FT AT 5 SECONDS.
SAT AND SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 9 SECONDS AND NE 2 FT AT 5 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
MON
SW WINDS AROUND 10 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 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.
ANZ283-301500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 PM EDT WED JUL 29 2026
OVERNIGHT
SW WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND S 2 FT AT 6 SECONDS. PATCHY FOG. VSBY 1 NM
OR LESS.
THU
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 9 SECONDS AND S 2 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL:
SW 5 FT AT 6 SECONDS AND E 1 FOOT AT 6 SECONDS. PATCHY FOG IN THE
EVENING.
FRI
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S 4 FT
AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
FRI NIGHT THROUGH SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
MON
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
MON NIGHT
W WINDS AROUND 10 KT. SEAS 5 TO 7 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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