fzus51 kbox 221405
cwfbox
expires:202608230300;;168927

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz231-230300-
cape cod bay-
1005 am edt sat aug 22 2026

.this afternoon...ne winds 5 to 10 kt. gusts up to 20 kt. seas
around 2 ft. wave detail: n 2 ft at 3 seconds and s 1 foot at
5 seconds. patchy fog. a chance of showers with patchy drizzle
this morning. vsby 1 to 3 nm. 
.tonight...n winds around 5 kt. seas around 2 ft. wave detail: n
1 foot at 4 seconds and s 1 foot at 5 seconds. patchy fog. a
chance of showers after midnight. vsby 1 nm or less. 
.sun...e winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 4 seconds and e 1 foot at
8 seconds. patchy fog. showers likely with a chance of tstms in
the morning, then a chance of showers in the afternoon. vsby 1 nm
or less in the morning. 
.sun night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: s 1 foot at 2 seconds and
n 1 foot at 4 seconds. patchy fog after midnight. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 1 foot at 2 seconds and ne 1 foot
at 4 seconds. 
.tue through wed night...sw winds 5 to 10 kt with gusts up to
20 kt. seas around 2 ft. wave detail: se 2 ft at 6 seconds and w
1 foot at 2 seconds.  

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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168931

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz232-230300-
nantucket sound-
1005 am edt sat aug 22 2026

.this afternoon...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 4 seconds and s 1 foot at 5 seconds. patchy
fog. a slight chance of showers. patchy drizzle. vsby 1 to 3 nm. 
.tonight...n winds around 5 kt, becoming se after midnight. seas
around 2 ft. wave detail: n 1 foot at 2 seconds and e 1 foot at
5 seconds. patchy fog. a chance of showers and tstms after
midnight. vsby 1 to 3 nm. 
.sun...se winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft at
3 seconds and n 1 foot at 4 seconds. patchy fog. showers likely
with a chance of tstms in the morning. vsby 1 to 3 nm. 
.sun night...sw winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 2 ft at 3 seconds and e 1 foot at 5 seconds. patchy
fog. 
.mon and mon night...w 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 e 1 foot at
6 seconds. 
.tue through wed night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and w
2 ft at 3 seconds.  

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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168932

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz233-230300-
vineyard sound-
1005 am edt sat aug 22 2026

.this afternoon...n winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 3 seconds and s 1 foot at 5 seconds. patchy
drizzle. a slight chance of showers. 
.tonight...ne winds 5 to 10 kt. seas 1 foot or less. wave detail:
n 1 foot at 3 seconds and s 1 foot at 5 seconds. patchy fog. a
chance of showers after midnight with vsby 1 to 3 nm. 
.sun...se winds around 10 kt, becoming s with gusts up to 20 kt
in the afternoon. seas around 2 ft. wave detail: se 2 ft at
4 seconds and n 1 foot at 4 seconds. patchy fog. a chance of
showers in the morning with vsby 1 to 3 nm. 
.sun night...sw winds 5 to 10 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. patchy fog after midnight. 
.mon and mon night...w 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 sw 2 ft at
3 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: se 3 ft at 6 seconds and w 2 ft at
3 seconds. 
.wed and wed night...sw winds 10 to 15 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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168933

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz234-230300-
buzzards bay-
1005 am edt sat aug 22 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 3 seconds and s 1 foot at 5 seconds. patchy
drizzle. a slight chance of showers. patchy fog. 
.tonight...ne winds around 5 kt. seas 1 foot or less. wave
detail: n 1 foot at 2 seconds and s 1 foot at 5 seconds. patchy
fog. a chance of showers after midnight. vsby 1 to 3 nm. 
.sun...e winds 5 to 10 kt, becoming s with gusts up to 20 kt in
the afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: se 1 foot at 3 seconds and n 1 foot at
4 seconds, becoming se 2 ft at 4 seconds and nw 1 foot at
4 seconds. patchy fog. a chance of showers in the morning with
vsby 1 to 3 nm. 
.sun night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e
1 foot at 4 seconds. patchy fog after midnight with vsby 1 to
3 nm. 
.mon and mon night...w 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 1 foot at
5 seconds. 
.tue through wed...w 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 w 2 ft at
3 seconds. 
.wed night...sw winds 10 to 15 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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168934

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz235-230300-
rhode island sound-
1005 am edt sat aug 22 2026

.this afternoon...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 4 seconds and s 1 foot at 5 seconds. patchy
drizzle. a chance of showers. 
.tonight...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and s 1 foot at 5 seconds. patchy fog. a
chance of showers after midnight. vsby 1 to 3 nm. 
.sun...e winds around 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 4 seconds and n 1 foot at
4 seconds. patchy fog. a chance of showers in the morning with
vsby 1 to 3 nm. 
.sun night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. gusts up to 20 kt. seas 2 to 3 ft. wave detail: s
3 ft at 4 seconds and se 2 ft at 8 seconds. patchy fog after
midnight. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.tue through wed night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and w
2 ft at 4 seconds.  

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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168937

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz236-230300-
narragansett bay-
1005 am edt sat aug 22 2026

.this afternoon...ne winds 5 to 10 kt. waves around 2 ft. patchy
drizzle. a slight chance of showers. 
.tonight...ne winds around 5 kt. waves 1 foot or less. patchy
fog. a chance of showers after midnight. vsby 1 to 3 nm. 
.sun...e winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. patchy fog. a
chance of showers in the morning with vsby 1 to 3 nm. 
.sun night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. patchy fog after midnight with vsby
1 to 3 nm. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tue through wed 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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168925

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-230300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt sat aug 22 2026

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 3 ft. wave detail: ne 3 ft at 4 seconds and s 1 foot
at 5 seconds. a chance of showers. patchy drizzle. patchy fog
with vsby 1 nm or less. 
.tonight...ne winds 5 to 10 kt, becoming se after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 6 seconds and n 1 foot at
3 seconds. patchy fog. vsby 1 nm or less. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: ne
2 ft at 5 seconds and se 1 foot at 5 seconds. patchy fog. a
chance of showers. vsby 1 nm or less, increasing to 1 to 3 nm in
the afternoon. 
.sun night...s winds around 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and se
1 foot at 12 seconds. patchy fog after midnight. 
.mon and mon night...sw winds around 10 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: e 3 ft at 7 seconds and se
3 ft at 7 seconds. 
.tue through wed night...sw winds 5 to 10 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 9 seconds and sw 2 ft at 4 seconds.  

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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168928

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz254-230300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am edt sat aug 22 2026

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n 5 to 10 kt. seas 2 to 4 ft. wave detail: n 3 ft at
4 seconds and s 1 foot at 5 seconds. patchy fog. patchy drizzle,
then a slight chance of showers with patchy drizzle. vsby 1 to
3 nm, decreasing to 1 nm or less.
.tonight...sw winds around 5 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at
5 seconds. patchy fog. a chance of showers after midnight. vsby
1 nm or less. 
.sun...se winds 5 to 10 kt, becoming s in the afternoon. gusts up
to 20 kt. seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and ne
2 ft at 4 seconds. patchy fog. showers likely with a chance of
tstms in the morning with vsby 1 nm or less. 
.sun night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: e 3 ft at 7 seconds and w
1 foot at 3 seconds. patchy fog. vsby 1 to 3 nm after midnight. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and w 1 foot at
3 seconds. 
.tue through wed 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 w
2 ft at 4 seconds.  

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.

$$

fzus51 kbox 221405
cwfbox
expires:202608230300;;168929

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt sat aug 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz255-230300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt sat aug 22 2026

.this afternoon...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 4 seconds and s 1 foot at 5 seconds. a slight
chance of showers. patchy drizzle. patchy fog. 
.tonight...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 5 seconds and nw 1 foot at 3 seconds. patchy fog. a
chance of showers after midnight. vsby 1 nm or less. 
.sun...se winds around 10 kt, becoming s with gusts up to 20 kt
in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft at
4 seconds and ne 1 foot at 4 seconds. patchy fog. a chance of
showers in the morning with vsby 1 nm or less. 
.sun night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and w
1 foot at 4 seconds. patchy fog. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 3 ft at
9 seconds. 
.tue through wed night...sw winds 15 to 20 kt. seas 2 to 4 ft.
wave detail: sw 4 ft at 6 seconds and w 3 ft at 5 seconds.  

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.

$$