fzus51 kbox 300504
cwfbox
expires:202608301800;;587821

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

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


anz231-301800-
cape cod bay-
103 am edt sun aug 30 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.sun...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: w
1 foot at 2 seconds and ne 1 foot at 4 seconds. 
.sun night...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: sw 2 ft at 3 seconds and se 2 ft at 9 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: nw 1 foot at 3 seconds and e 1 foot
at 6 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 8 seconds. 
.tue and tue night...e winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: ne 1 foot at 3 seconds and sw
1 foot at 3 seconds. showers likely. a chance of showers after
midnight. 
.wed...e winds 5 to 10 kt. seas around 2 ft. 
.wed night through thu night...sw winds 5 to 10 kt. 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 300504
cwfbox
expires:202608301800;;587825

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

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


anz232-301800-
nantucket sound-
103 am edt sun aug 30 2026

.rest of tonight...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and e
1 foot at 7 seconds. 
.sun night...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 e
1 foot at 7 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 1 foot at
5 seconds. 
.mon night...se winds 5 to 10 kt. seas 1 foot or less. wave
detail: ne 1 foot at 2 seconds and sw 1 foot at 5 seconds. 
.tue...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: e 1 foot at 2 seconds and sw
1 foot at 4 seconds. showers likely. 
.tue night...e winds 10 to 15 kt. seas around 2 ft. 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 300504
cwfbox
expires:202608301800;;587826

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

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


anz233-301800-
vineyard sound-
103 am edt sun aug 30 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 4 seconds and e 1 foot at 7 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 4 seconds and e 1 foot at 7 seconds. 
.sun night...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 e
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
5 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 sw
1 foot at 5 seconds, becoming e 1 foot at 2 seconds and sw 1 foot
at 4 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: e 1 foot at 2 seconds
and sw 1 foot at 4 seconds. showers likely. 
.tue night...e winds 10 to 15 kt. seas around 2 ft. 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. a chance of
showers. 
.thu and thu night...s winds around 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 300504
cwfbox
expires:202608301800;;587827

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

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


anz234-301800-
buzzards bay-
103 am edt sun aug 30 2026

.rest of tonight...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 6 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and e 1 foot at 7 seconds. 
.sun night...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 7 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: w
2 ft at 5 seconds and se 1 foot at 7 seconds, becoming ne 1 foot
at 2 seconds and sw 1 foot at 5 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and sw 1 foot at 5 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: e
1 foot at 2 seconds and sw 1 foot at 4 seconds. showers.
.tue night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. 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. a chance of
showers. 
.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 300504
cwfbox
expires:202608301800;;587828

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

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


anz235-301800-
rhode island sound-
103 am edt sun aug 30 2026

.rest of tonight...w winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 5 seconds and se 2 ft at 8 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
e 2 ft at 7 seconds. 
.sun night...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 e
2 ft at 7 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
5 seconds. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 4 seconds and se 1 foot at 8 seconds. a chance of
showers after midnight. 
.tue...s winds 10 to 15 kt. seas around 2 ft. wave detail: s 2 ft
at 4 seconds and se 1 foot at 8 seconds. showers likely. 
.tue night...e winds 10 to 15 kt. seas 2 to 3 ft. showers likely,
mainly in the evening. 
.wed...e winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.wed night and thu...se winds 5 to 10 kt, becoming s. 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 300504
cwfbox
expires:202608301800;;587831

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

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


anz236-301800-
narragansett bay-
103 am edt sun aug 30 2026

.rest of tonight...w winds 5 to 10 kt. waves around 2 ft.
.sun...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.sun night...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 and tue night...e winds 5 to 10 kt. waves around 2 ft.
showers. a chance of showers after midnight. 
.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 300504
cwfbox
expires:202608301800;;587819

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

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


anz250-301800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt sun aug 30 2026

.rest of tonight...sw winds around 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 6 seconds and sw 1 foot at 3 seconds. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and e 2 ft at
7 seconds. 
.sun night...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: s 2 ft at 5 seconds and se 2 ft at 8 seconds. 
.mon...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: nw 2 ft at 3 seconds and e 1 foot at
5 seconds. 
.mon night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: n 1 foot at 4 seconds and se 1 foot at 8 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
1 foot at 2 seconds and ne 1 foot at 4 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. a chance of
showers. 
.wed...e winds 5 to 10 kt. seas 2 to 4 ft. 
.wed night and thu...se winds 5 to 10 kt. seas 2 to 4 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 300504
cwfbox
expires:202608301800;;587822

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

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


anz254-301800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt sun aug 30 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 5 seconds and se 2 ft at 8 seconds. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: w 2 ft at 4 seconds and e 2 ft at
5 seconds. 
.sun night...w winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: sw 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: nw 2 ft at 4 seconds and e 1 foot at
5 seconds. 
.mon night...se winds around 5 kt. seas around 2 ft. wave detail:
sw 1 foot at 4 seconds and n 1 foot at 4 seconds. 
.tue...se winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and ne 1 foot at 4 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. 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 300504
cwfbox
expires:202608301800;;587823

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

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


anz255-301800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt sun aug 30 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 7 seconds and ne 1 foot at 6 seconds. 
.sun...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.sun night...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
7 seconds. a chance of showers. 
.mon...n winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 5 seconds and ne 1 foot at
5 seconds. 
.mon night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and ne 1 foot at 3 seconds. 
.tue...se winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: ne 1 foot at 3 seconds
and sw 1 foot at 4 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. 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.

$$