fzus51 kbox 302003
cwfbox
expires:202608310900;;624903

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

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


anz231-310900-
cape cod bay-
403 pm edt sun aug 30 2026

...small craft advisory in effect until midnight edt tonight...

.tonight...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
3 seconds and e 1 foot at 6 seconds. a chance of showers this
evening. a slight chance of showers after midnight. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
1 foot or less. wave detail: nw 1 foot at 3 seconds and e 1 foot
at 8 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: se 1 foot at 3 seconds and ne 1 foot at 4 seconds. a
chance of showers after midnight. 
.tue...se winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: s 1 foot at 2 seconds and ne
1 foot at 4 seconds. showers likely, mainly in the morning. 
.tue night...se winds around 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: e 1 foot at 3 seconds.
showers likely, mainly in the evening. 
.wed and wed night...s winds 5 to 10 kt. seas around 2 ft. wave
detail: e 1 foot at 3 seconds. a chance of showers. 
.thu...s winds 5 to 10 kt. seas around 2 ft. a chance of showers.
.thu night...w winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.fri and fri night...n winds 5 to 10 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 302003
cwfbox
expires:202608310900;;624907

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

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


anz232-310900-
nantucket sound-
403 pm edt sun aug 30 2026

...small craft advisory in effect until midnight edt tonight...

.tonight...sw winds 15 to 20 kt, becoming w after midnight. gusts
up to 25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds
and se 1 foot at 8 seconds. a chance of showers. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: nw 1 foot at 4 seconds and e 1 foot at
8 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: se 1 foot at 5 seconds. a chance of showers after
midnight. 
.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 4 seconds and se 2 ft
at 7 seconds. showers likely, mainly in the morning. 
.tue night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: se 2 ft at 4 seconds.
showers likely. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 5 seconds. a chance of
showers. 
.thu and thu night...sw winds around 10 kt, becoming w. seas
around 2 ft. a chance of showers. 
.fri and fri night...n winds around 10 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.

$$

fzus51 kbox 302003
cwfbox
expires:202608310900;;624908

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

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


anz233-310900-
vineyard sound-
403 pm edt sun aug 30 2026

...small craft advisory in effect until midnight edt tonight...

.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft
at 5 seconds and se 1 foot at 8 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 e 1 foot at
8 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: se 1 foot at 5 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 3 seconds
and se 1 foot at 7 seconds. showers likely, mainly in the
morning. 
.tue night...e winds 10 to 15 kt. seas around 2 ft. wave detail:
se 1 foot at 5 seconds. showers likely. 
.wed...e winds 10 to 15 kt. seas around 2 ft. wave detail: se
2 ft at 5 seconds. a chance of showers in the afternoon. 
.wed night...se winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. a chance of showers in the evening. showers likely
after midnight. 
.thu and thu night...sw winds 5 to 10 kt, becoming w. seas around
2 ft. a chance of showers. 
.fri and fri night...nw winds 5 to 10 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 302003
cwfbox
expires:202608310900;;624909

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

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


anz234-310900-
buzzards bay-
403 pm edt sun aug 30 2026

...small craft advisory in effect until midnight edt tonight...

.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw 3 ft
at 5 seconds and se 1 foot at 8 seconds. a chance of showers this
evening. a slight chance of showers after midnight. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
1 foot or less. wave detail: sw 1 foot at 5 seconds and e 1 foot
at 8 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: se 1 foot at 4 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: s
1 foot at 4 seconds and se 1 foot at 7 seconds. showers likely,
mainly in the morning. 
.tue night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: se 1 foot at 5 seconds.
showers likely. 
.wed...e winds 10 to 15 kt. seas around 2 ft. wave detail: se
1 foot at 4 seconds. a chance of showers in the afternoon. 
.wed night...se winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. a chance of showers in the evening. showers likely
after midnight. 
.thu and thu night...sw winds 5 to 10 kt, becoming w. seas around
2 ft. a chance of showers. 
.fri and fri night...n winds 5 to 10 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 302003
cwfbox
expires:202608310900;;624910

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

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


anz235-310900-
rhode island sound-
403 pm edt sun aug 30 2026

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

$$

fzus51 kbox 302003
cwfbox
expires:202608310900;;624913

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

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


anz236-310900-
narragansett bay-
403 pm edt sun aug 30 2026

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

$$

fzus51 kbox 302003
cwfbox
expires:202608310900;;624901

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

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


anz250-310900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt sun aug 30 2026

.tonight...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at
3 seconds and se 2 ft at 8 seconds. a chance of showers this
evening. 
.mon...n winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 8 seconds and nw 1 foot at
3 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and e 1 foot at 7 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 3 seconds and se 2 ft at 8 seconds. showers likely, mainly in
the morning. 
.tue night...se winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 2 ft at 4 seconds.
showers likely, mainly in the evening. 
.wed...se winds around 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 6 seconds and s 1 foot at 3 seconds. a chance of showers
in the afternoon. 
.wed night...se winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers in the evening, then showers likely after midnight. 
.thu and thu night...s winds 5 to 10 kt, becoming n. seas 2 to
4 ft. a chance of showers. 
.fri and fri night...n winds 5 to 10 kt. seas 3 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.

$$

fzus51 kbox 302003
cwfbox
expires:202608310900;;624904

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

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


anz254-310900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt sun aug 30 2026

.tonight...sw winds 15 to 20 kt, becoming w after midnight. gusts
up to 25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds
and se 2 ft at 8 seconds. a chance of showers. 
.mon...n winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: nw 2 ft at 4 seconds and e 2 ft at
7 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 4 seconds and se 1 foot at 7 seconds. 
.tue...se winds 5 to 10 kt, increasing to 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 se 2 ft at 7 seconds. a chance of showers. 
.tue night...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 5 seconds. showers likely in the evening. a chance of
showers after midnight. 
.wed...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 5 seconds. a chance of showers in the afternoon. 
.wed night...se winds around 10 kt. seas 2 to 3 ft. a chance of
showers. 
.thu and thu night...s winds 5 to 10 kt, becoming w. seas 2 to
4 ft. a chance of showers. 
.fri and fri night...n winds 5 to 10 kt. seas 3 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.

$$

fzus51 kbox 302003
cwfbox
expires:202608310900;;624905

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

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


anz255-310900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt sun aug 30 2026

.tonight...w winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
8 seconds. a chance of showers. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: w 3 ft at 5 seconds and se 1 foot at
8 seconds. 
.mon night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
s 1 foot at 6 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 se 2 ft at 8 seconds. showers likely, mainly in the morning. 
.tue night...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds. showers likely. 
.wed and wed night...s winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds. a chance of showers. 
.thu and thu night...sw winds around 10 kt, becoming w. seas 2 to
3 ft. a chance of showers. 
.fri and fri night...nw winds around 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.

$$