fzus51 kbox 121103
cwfbox
expires:202605130000;;432393

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz231-130000-
cape cod bay-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt, becoming ne 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: nw 2 ft at 3 seconds and
e 2 ft at 9 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: w 1 foot at 4 seconds and ne
1 foot at 6 seconds, becoming sw 1 foot at 2 seconds and ne
1 foot at 4 seconds. 
.wed...sw winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 3 seconds and ne 1 foot at 4 seconds. 
.wed night...s winds around 15 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 2 ft at 3 seconds and e 1 foot at
7 seconds. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 3 seconds and e 1 foot at
10 seconds. patchy fog. a chance of showers in the morning.
showers in the afternoon. 
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. wave detail: se 1 foot at 3 seconds and e
1 foot at 7 seconds. patchy fog. showers.
.fri...n winds 5 to 10 kt. seas around 2 ft. showers likely. 
.fri night...nw winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 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 121103
cwfbox
expires:202605130000;;432397

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz232-130000-
nantucket sound-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt, becoming ne 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: nw 2 ft at 3 seconds and
e 2 ft at 8 seconds. 
.tonight...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 3 seconds and e 1 foot at 8 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 4 seconds and e 1 foot at 8 seconds. 
.wed night...s winds 15 to 20 kt. seas around 3 ft. wave detail:
s 3 ft at 4 seconds and se 1 foot at 9 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: se
3 ft at 4 seconds and se 1 foot at 11 seconds. patchy fog. a
chance of showers in the morning. showers in the afternoon. 
.thu night...se winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: se 2 ft at 7 seconds. patchy fog.
showers.
.fri and fri night...nw winds 5 to 10 kt, increasing to 10 to
15 kt. seas 2 to 3 ft. a chance of showers. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 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 121103
cwfbox
expires:202605130000;;432398

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz233-130000-
vineyard sound-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt, becoming sw 5 to 10 kt this
afternoon. seas around 2 ft. wave detail: nw 2 ft at 4 seconds
and e 1 foot at 8 seconds. 
.tonight...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and se 1 foot at 8 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and se 1 foot at 10 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 3 ft at 6 seconds and se 1 foot at
11 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and
se 1 foot at 11 seconds. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. wave detail: se 2 ft at 7 seconds. patchy fog.
showers.
.fri and fri night...nw winds 5 to 10 kt. seas 2 to 3 ft. a
chance of showers. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 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 121103
cwfbox
expires:202605130000;;432399

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz234-130000-
buzzards bay-
703 am edt tue may 12 2026

.today...n winds 5 to 10 kt, becoming sw this afternoon. seas
around 2 ft. wave detail: nw 1 foot at 3 seconds and e 1 foot at
9 seconds. 
.tonight...sw winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas around 2 ft in the evening, then 1 foot or less.
wave detail: sw 2 ft at 4 seconds and se 1 foot at 9 seconds,
becoming sw 1 foot at 4 seconds and se 1 foot at 9 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 5 seconds and se 1 foot at 10 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 3 ft at 5 seconds and se 1 foot at
9 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 4 seconds and se 1 foot at 11 seconds. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. wave detail: se 2 ft at 6 seconds. patchy fog.
showers.
.fri and fri night...nw winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.sat and sat night...sw winds 15 to 20 kt with gusts up to 25 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 121103
cwfbox
expires:202605130000;;432400

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz235-130000-
rhode island sound-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt, becoming sw 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and
nw 2 ft at 3 seconds. 
.tonight...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and se 2 ft at 8 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 2 ft at 8 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 6 seconds and se 1 foot at
9 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas around 3 ft. wave detail: se 3 ft at 6 seconds
and se 3 ft at 10 seconds. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming n after midnight. seas
around 3 ft. wave detail: s 3 ft at 7 seconds. patchy fog.
showers.
.fri and fri night...nw winds 10 to 15 kt. seas 2 to 4 ft. a
chance of showers. 
.sat and sat night...sw winds 15 to 20 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 121103
cwfbox
expires:202605130000;;432403

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz236-130000-
narragansett bay-
703 am edt tue may 12 2026

.today...n winds around 10 kt, becoming w this afternoon. waves
around 2 ft. 
.tonight...sw winds 5 to 10 kt. waves around 2 ft. 
.wed...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. 
.wed night...s winds 15 to 20 kt. waves 2 to 4 ft.
.thu...se winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming n after midnight.
waves 2 to 3 ft. patchy fog. showers.
.fri...nw winds 5 to 10 kt. waves 2 to 3 ft. patchy fog. showers
likely. 
.fri night...nw winds 5 to 10 kt. waves 2 to 3 ft. a chance of
showers. 
.sat and sat 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 121103
cwfbox
expires:202605130000;;432391

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz250-130000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt this afternoon. seas 3 to 4 ft. wave detail: e 4 ft at
8 seconds and nw 2 ft at 3 seconds. 
.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 7 seconds and w 1 foot at 3 seconds. 
.wed...s winds 5 to 10 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: s 4 ft
at 4 seconds and e 2 ft at 8 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 5 seconds and e 2 ft at
9 seconds. 
.thu...se winds 15 to 20 kt with gusts up to 25 kt. seas around
3 ft. wave detail: se 3 ft at 6 seconds. patchy fog. a chance of
showers in the morning. showers in the afternoon. 
.thu night...e winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 5 to 10 kt after midnight. seas 3 to 4 ft. wave detail: se
4 ft at 7 seconds. patchy fog. showers.
.fri...n winds 5 to 10 kt. seas 3 to 4 ft. patchy fog. showers
likely. 
.fri night...nw winds 5 to 10 kt. seas 3 to 4 ft. a chance of
showers. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 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 121103
cwfbox
expires:202605130000;;432394

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz254-130000-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. seas 3 to 4 ft. wave detail: e 4 ft
at 8 seconds and nw 2 ft at 3 seconds. 
.tonight...sw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 3 to 4 ft. wave detail: e 3 ft at 7 seconds and sw
2 ft at 3 seconds. 
.wed...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 2 to 4 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
8 seconds. 
.wed night...s winds around 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 5 seconds and e 2 ft at
9 seconds. 
.thu...se winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: se 4 ft at 5 seconds and se 4 ft at
10 seconds. patchy fog. a chance of showers in the morning.
showers in the afternoon. 
.thu night...se winds 10 to 15 kt with gusts up to 20 kt,
becoming ne 5 to 10 kt after midnight. seas 3 to 4 ft. wave
detail: se 4 ft at 9 seconds and s 2 ft at 6 seconds. patchy fog.
showers.
.fri...nw winds 5 to 10 kt. seas 3 to 5 ft. a chance of showers. 
.fri night through sat night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 3 to 5 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 121103
cwfbox
expires:202605130000;;432395

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am edt tue may 12 2026

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


anz255-130000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 am edt tue may 12 2026

.today...n winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. seas 3 to 4 ft. wave detail: se 3 ft at 8 seconds and
nw 2 ft at 4 seconds. 
.tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail: se
3 ft at 8 seconds and w 2 ft at 4 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 2 ft at 8 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 6 seconds and se 2 ft at
9 seconds. 
.thu...se winds 15 to 20 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 5 seconds and se 3 ft at 11 seconds. patchy fog. a chance of
showers in the morning. showers in the afternoon. 
.thu night...se winds 5 to 10 kt, becoming w after midnight. seas
3 to 5 ft. wave detail: se 5 ft at 9 seconds and s 4 ft at
8 seconds. patchy fog. showers.
.fri...w winds 10 to 15 kt. seas 3 to 5 ft. a chance of showers. 
.fri night through sat night...sw winds 15 to 20 kt. seas 3 to
5 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.

$$