fzus51 kbox 301705
cwfbox
expires:202608310600;;615458

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz231-310600-
cape cod bay-
104 pm edt sun aug 30 2026

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

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615462

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz232-310600-
nantucket sound-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 4 seconds and e 1 foot at 5 seconds. 
.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and w
2 ft at 4 seconds. a chance of showers. 
.mon...n winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and sw 1 foot at
5 seconds. 
.mon night...se winds 5 to 10 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and n 1 foot at 3 seconds. 
.tue...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: se 2 ft at 3 seconds and n 1 foot
at 3 seconds. showers likely. 
.tue night...e winds 10 to 15 kt. seas around 2 ft. wave detail:
se 2 ft at 4 seconds and w 1 foot at 3 seconds. showers likely,
mainly in the evening. 
.wed...e winds 10 to 15 kt. seas 2 to 3 ft. 
.wed night through thu night...sw winds 10 to 15 kt. seas 2 to
3 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615463

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz233-310600-
vineyard sound-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and sw 2 ft at
3 seconds. 
.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and w
2 ft at 3 seconds. a chance of showers. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
3 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: e 1 foot at 2 seconds and n
1 foot at 3 seconds. a chance of showers after midnight. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: se 2 ft at 4 seconds
and n 1 foot at 4 seconds. showers likely. 
.tue night...e winds 10 to 15 kt. seas around 2 ft. wave detail:
w 2 ft at 3 seconds and s 1 foot at 3 seconds. showers likely,
mainly in the evening. 
.wed...e winds around 10 kt. seas around 2 ft. 
.wed night...se winds 5 to 10 kt. seas around 2 ft. showers
likely. 
.thu and thu night...s winds 5 to 10 kt, becoming w. seas 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615464

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz234-310600-
buzzards bay-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 3 seconds and e 1 foot at
5 seconds. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt, becoming
w 10 to 15 kt after midnight. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and e 1 foot at 6 seconds. a chance of showers.
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: se 1 foot at 2 seconds and nw 1 foot at 3 seconds. a
chance of showers after midnight. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt 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 3 seconds. showers.
.tue night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: w 2 ft at 3 seconds and
se 1 foot at 4 seconds. showers likely, mainly in the evening. 
.wed...e winds around 10 kt. seas around 2 ft. 
.wed night...se winds 5 to 10 kt. seas around 2 ft. showers
likely. 
.thu and thu night...s winds 5 to 10 kt, becoming w. seas 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615465

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz235-310600-
rhode island sound-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and sw 2 ft at 3 seconds. 
.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and
ne 1 foot at 8 seconds. a chance of showers. 
.mon...n winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
3 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 2 seconds and s 1 foot at 5 seconds. a chance of
showers after midnight. 
.tue...s winds 10 to 15 kt. seas around 2 ft. wave detail: se
2 ft at 4 seconds and n 1 foot at 3 seconds. showers likely. 
.tue night...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w
2 ft at 3 seconds and se 2 ft at 4 seconds. showers likely,
mainly in the evening. 
.wed...e winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.wed night...se winds 5 to 10 kt. seas 2 to 3 ft. showers likely.
.thu...s winds around 10 kt. seas 2 to 3 ft. a chance of showers.
.thu night...w winds around 10 kt. seas 2 to 3 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615468

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz236-310600-
narragansett bay-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
w 5 to 10 kt after midnight. waves 2 to 3 ft. a chance of
showers. 
.mon...n winds 5 to 10 kt, becoming se in the afternoon. waves
around 2 ft in the morning, then 1 foot or less. 
.mon night...s winds 5 to 10 kt. waves 1 foot or less. a chance
of showers after midnight. 
.tue...s winds 5 to 10 kt. waves around 2 ft. showers.
.tue night...e winds 5 to 10 kt. waves around 2 ft. showers
likely, mainly in the evening. 
.wed...e winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.wed night and thu...se winds 5 to 10 kt, becoming s. waves
around 2 ft. showers likely. 
.thu night...w winds 5 to 10 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615456

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz250-310600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and e 2 ft at
7 seconds. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and e 2 ft at 7 seconds. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
3 seconds. 
.mon night...s 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. 
.tue...s winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and se 1 foot at 8 seconds. a chance of showers in
the morning, then showers likely in the afternoon. 
.tue night...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
se 2 ft at 4 seconds and w 1 foot at 3 seconds. a chance of
showers. 
.wed...e winds 5 to 10 kt. seas 2 to 4 ft. 
.wed night...se winds 5 to 10 kt. seas 2 to 4 ft. showers likely.
.thu...se winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.thu night...se winds 5 to 10 kt. seas 3 to 5 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615459

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz254-310600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt sun aug 30 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at
8 seconds. 
.tonight...w winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: w 3 ft at 4 seconds and se 2 ft at 8 seconds.
a chance of showers. 
.mon...n winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
5 seconds. 
.mon night...se winds around 5 kt. seas around 2 ft. wave detail:
n 1 foot at 3 seconds and s 1 foot at 5 seconds. 
.tue...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 4 seconds and n 1 foot at 3 seconds. a chance of showers
in the morning, then showers likely in the afternoon. 
.tue night...e winds 10 to 15 kt. seas 2 to 4 ft. wave detail: se
2 ft at 4 seconds and se 2 ft at 12 seconds. showers likely,
mainly in the evening. 
.wed...e winds 10 to 15 kt. seas 3 to 4 ft. 
.wed night through thu night...s winds 5 to 10 kt. seas 3 to
5 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.

$$

fzus51 kbox 301705
cwfbox
expires:202608310600;;615460

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun aug 30 2026

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


anz255-310600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt sun aug 30 2026

.this afternoon...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. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
5 seconds. a chance of showers. 
.mon...n winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
4 seconds. 
.mon night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.tue...se winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
n 1 foot at 3 seconds. a chance of showers in the morning, then
showers likely in the afternoon. 
.tue night...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
2 ft at 4 seconds and se 2 ft at 12 seconds. showers likely in
the evening. a chance of showers after midnight. 
.wed...e winds 10 to 15 kt. seas 2 to 4 ft. 
.wed night through thu night...sw winds 5 to 10 kt. seas 3 to
4 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.

$$