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MA- Cape Cod

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fzus51 kbox 141703
cwfbox
expires:202510150600;;129014

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-150600-
cape cod bay-
103 pm edt tue oct 14 2025

...small craft advisory in effect through late tonight...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: n 5 ft at 6 seconds. patchy fog.
showers likely with a chance of drizzle. vsby 1 to 3 nm. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt, becoming
n 10 to 15 kt after midnight. seas 3 to 5 ft. wave detail: n 4 ft
at 6 seconds. a chance of showers in the evening. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: n 3 ft
at 4 seconds and ne 3 ft at 7 seconds. 
.wed night...n winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: n 5 ft at 6 seconds. a chance of showers.
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds. a chance of showers. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: n 7 ft at 6 seconds. a chance of showers.
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. a chance of showers. 
.fri night and sat...nw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. seas 2 to 4 ft. 
.sat night...sw winds around 5 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 141703
cwfbox
expires:202510150600;;129018

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-150600-
nantucket sound-
103 pm edt tue oct 14 2025

...small craft advisory in effect through late tonight...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: ne 6 ft at 6 seconds. patchy fog.
showers likely. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt, becoming n 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: ne 5 ft at 9 seconds and n
1 foot at 5 seconds. patchy fog in the evening. a chance of
showers in the evening with vsby 1 to 3 nm. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and e
3 ft at 10 seconds. 
.wed night...n winds 25 to 30 kt. seas 3 to 5 ft. wave detail: n
4 ft at 4 seconds and ne 4 ft at 10 seconds. a chance of showers.
.thu...n winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 3 to 5 ft. wave detail: n 4 ft at 4 seconds and e
3 ft at 8 seconds. a chance of showers. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: n 5 ft at 6 seconds. a chance of showers.
.fri...n winds 25 to 30 kt. seas 3 to 5 ft. a chance of showers. 
.fri night through sat night...sw winds 15 to 20 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.

$$
fzus51 kbox 141703
cwfbox
expires:202510150600;;129019

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-150600-
vineyard sound-
103 pm edt tue oct 14 2025

...small craft advisory in effect through late tonight...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: ne 4 ft at 6 seconds and n 1 foot at
3 seconds. patchy fog. a chance of showers and drizzle. vsby 1 to
3 nm. 
.tonight...ne winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: n 3 ft
at 6 seconds. patchy fog in the evening. a chance of showers in
the evening. 
.wed...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and e 2 ft at
7 seconds. 
.wed night...n winds 20 to 25 kt. seas 3 to 4 ft. wave detail: nw
2 ft at 3 seconds and ne 2 ft at 7 seconds. 
.thu and thu night...n winds 20 to 25 kt. seas 3 to 4 ft. wave
detail: n 2 ft at 5 seconds. a chance of showers. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 5 seconds. a chance of showers. 
.fri night through sat night...sw 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 141703
cwfbox
expires:202510150600;;129020

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-150600-
buzzards bay-
103 pm edt tue oct 14 2025

...small craft advisory in effect through late tonight...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: n 3 ft at 5 seconds. patchy fog. a
chance of showers and drizzle. vsby 1 to 3 nm. 
.tonight...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 2 to 4 ft. wave
detail: n 3 ft at 5 seconds. patchy fog in the evening. a chance
of showers in the evening. 
.wed...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and ne 2 ft at
7 seconds. 
.wed night...n winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: n 2 ft at 3 seconds and ne 2 ft at
7 seconds. 
.thu and thu night...n winds 20 to 25 kt with gusts up to 30 kt.
seas around 3 ft. wave detail: n 2 ft at 4 seconds. a chance of
showers. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds. a chance of showers. 
.fri night through sat night...sw 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 141703
cwfbox
expires:202510150600;;129021

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-150600-
rhode island sound-
103 pm edt tue oct 14 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: ne 7 ft at 8 seconds and n 1 foot at
5 seconds. patchy fog. a chance of showers and drizzle. vsby 1 to
3 nm. 
.tonight...n winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. seas 5 to 7 ft. wave detail: ne 7 ft at 8 seconds and n
1 foot at 5 seconds. patchy fog in the evening. a chance of
showers in the evening. 
.wed...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 5 ft. wave detail: ne 5 ft at 10 seconds and n 3 ft at
3 seconds. 
.wed night...n winds 20 to 25 kt. seas 4 to 6 ft. wave detail: n
4 ft at 4 seconds and se 4 ft at 10 seconds. 
.thu and thu night...n winds 20 to 25 kt. seas 3 to 5 ft. wave
detail: n 4 ft at 4 seconds and e 4 ft at 10 seconds. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and e 2 ft at 7 seconds. 
.fri night through sat night...sw 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 141703
cwfbox
expires:202510150600;;129024

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-150600-
narragansett bay-
103 pm edt tue oct 14 2025

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...n winds 15 to 20 kt with gusts up to 30 kt.
waves around 3 ft. patchy fog. a chance of showers and drizzle. 
.tonight...n winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. a
chance of showers in the evening. 
.wed...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 2 to 3 ft. 
.wed night...n winds 15 to 20 kt. waves 2 to 3 ft.
.thu and thu night...n winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 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 141703
cwfbox
expires:202510150600;;129012

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-150600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt tue oct 14 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 8 to 10 ft. wave detail: e 10 ft at 11 seconds. patchy fog.
a chance of showers with a slight chance of drizzle. 
.tonight...n winds 10 to 15 kt. gusts up to 25 kt in the evening.
seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. wave
detail: e 9 ft at 10 seconds, becoming e 7 ft at 10 seconds. a
chance of showers in the evening. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 5 to 7 ft. wave detail: se
7 ft at 10 seconds and n 2 ft at 4 seconds. 
.wed night...n winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: n 8 ft at 9 seconds and n 3 ft at
6 seconds. a chance of showers. 
.thu and thu night...n winds 25 to 30 kt with gusts up to 35 kt.
seas 6 to 9 ft. wave detail: n 8 ft at 7 seconds. a chance of
showers. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: n 8 ft at 7 seconds. a chance of showers. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. 
.sat...nw winds 5 to 10 kt. seas 3 to 5 ft. 
.sat night...sw winds 5 to 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.

$$
fzus51 kbox 141703
cwfbox
expires:202510150600;;129015

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-150600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 pm edt tue oct 14 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 8 to 11 ft. wave detail: e 11 ft at 10 seconds. patchy fog.
showers likely with a chance of drizzle. vsby 1 to 3 nm. 
.tonight...ne winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 7 to 10 ft, subsiding to 6 to
8 ft after midnight. wave detail: e 10 ft at 10 seconds, becoming
e 8 ft at 10 seconds. a chance of showers in the evening with
vsby 1 to 3 nm. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and n 2 ft at 4 seconds. 
.wed night...n winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: ne 8 ft at 10 seconds and n 5 ft at
6 seconds. a chance of showers. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: n 8 ft at 7 seconds. showers likely. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: n 9 ft at 7 seconds. showers likely. 
.fri...n winds 25 to 30 kt. seas 6 to 9 ft. a chance of showers. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft. 
.sat...nw winds 10 to 15 kt. seas 4 to 6 ft. 
.sat night...sw winds 5 to 10 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 141703
cwfbox
expires:202510150600;;129016

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 14 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-150600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt tue oct 14 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 7 to 9 ft. wave detail: e 9 ft at 10 seconds. patchy fog.
showers likely. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt, becoming n 15 to 20 kt after
midnight. gusts up to 30 kt. seas 6 to 9 ft. wave detail: ne 8 ft
at 10 seconds and n 1 foot at 5 seconds. patchy fog in the
evening. a chance of showers in the evening with vsby 1 to 3 nm. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 5 to 7 ft. wave detail: e 7 ft at 10 seconds and
n 3 ft at 4 seconds. 
.wed night...n winds 25 to 30 kt. seas 5 to 8 ft. wave detail: nw
6 ft at 5 seconds and e 6 ft at 10 seconds. a chance of showers. 
.thu...n winds 25 to 30 kt. seas 5 to 8 ft. wave detail: e 6 ft
at 8 seconds and nw 5 ft at 5 seconds. a chance of showers. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: n 7 ft at 6 seconds. a chance of showers.
.fri...n winds 25 to 30 kt. seas 5 to 7 ft, except 8 to 11 ft s
and e of nantucket. a chance of showers. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. 
.sat...nw winds 10 to 15 kt. seas 3 to 5 ft. 
.sat night...sw winds 5 to 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.

$$
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