fzus51 kbox 171105
cwfbox
expires:202510180000;;283829

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz231-180000-
cape cod bay-
704 am edt fri oct 17 2025

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

.today...n winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 5 to 7 ft. wave detail: n 6 ft
at 6 seconds and e 4 ft at 9 seconds. 
.tonight...n winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: ne 5 ft at 9 seconds and ne 5 ft at
12 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: ne 4 ft at 10 seconds and e 4 ft at
12 seconds. 
.sat night...n winds around 5 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: ne 3 ft at 10 seconds and e 3 ft at
11 seconds. 
.sun...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: e 3 ft
at 11 seconds and s 2 ft at 3 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: se 3 ft at 4 seconds and e 3 ft at
11 seconds. showers likely after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas around
3 ft. showers likely. vsby 1 to 3 nm. 
.mon night and tue...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. a chance of showers. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. showers likely.  

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 171105
cwfbox
expires:202510180000;;283833

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz232-180000-
nantucket sound-
704 am edt fri oct 17 2025

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

.today...n winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: n 4 ft
at 4 seconds and e 2 ft at 9 seconds. 
.tonight...n winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: ne 4 ft
at 10 seconds and e 4 ft at 13 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: e 4 ft at 12 seconds and n 2 ft at
4 seconds. 
.sat night...nw winds 5 to 10 kt, becoming sw after midnight.
seas 2 to 4 ft. wave detail: e 3 ft at 12 seconds and n 1 foot at
4 seconds. 
.sun...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 3 seconds and
e 3 ft at 12 seconds. 
.sun night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 5 seconds and e 3 ft at 11 seconds. showers likely after
midnight. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. showers likely. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of showers. 
.tue...sw winds 15 to 20 kt. seas 2 to 4 ft. a chance of showers.
.tue night...sw winds 15 to 20 kt. seas 2 to 3 ft. showers
likely.  

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 171105
cwfbox
expires:202510180000;;283834

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz233-180000-
vineyard sound-
704 am edt fri oct 17 2025

...small craft advisory in effect until 2 pm edt this afternoon...

.today...n winds 15 to 20 kt with gusts up to 25 kt. seas around
3 ft. wave detail: n 2 ft at 4 seconds and e 1 foot at 9 seconds.
.tonight...n winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: ne 2 ft at 9 seconds and e 2 ft at
14 seconds. 
.sat...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 10 seconds
and e 2 ft at 13 seconds. 
.sat night...sw winds around 5 kt. seas around 2 ft. wave detail:
e 2 ft at 11 seconds and w 1 foot at 3 seconds. 
.sun...s winds 10 to 15 kt, increasing to 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 2 ft at 12 seconds. 
.sun night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 4 ft
at 5 seconds and e 1 foot at 11 seconds. a chance of showers in
the evening, then showers likely after midnight. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
5 ft. showers likely. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of showers. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.tue night...sw winds 15 to 20 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 171105
cwfbox
expires:202510180000;;283835

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz234-180000-
buzzards bay-
704 am edt fri oct 17 2025

...small craft advisory in effect until 2 pm edt this afternoon...

.today...n winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and e 2 ft at 9 seconds. 
.tonight...n winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: ne 2 ft at 9 seconds and e 2 ft at
14 seconds. 
.sat...n winds 5 to 10 kt. seas 1 foot or less. wave detail: n
1 foot at 3 seconds and ne 1 foot at 10 seconds. 
.sat night...s winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and e 1 foot at 12 seconds. 
.sun...s winds 10 to 15 kt, increasing to 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 2 ft at 10 seconds. 
.sun night...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 5 seconds and e 2 ft at 11 seconds. a chance of showers in the
evening, then showers likely after midnight. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. showers likely. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. a chance of showers. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 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 171105
cwfbox
expires:202510180000;;283836

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz235-180000-
rhode island sound-
704 am edt fri oct 17 2025

...small craft advisory in effect until 2 pm edt this afternoon...

.today...n winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 4 seconds and se 1 foot at 9 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: n 2 ft at 3 seconds and e 1 foot at
9 seconds. 
.sat...n winds 10 to 15 kt, becoming nw 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: n 2 ft at 3 seconds and
e 2 ft at 14 seconds. 
.sat night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
e 2 ft at 12 seconds and w 1 foot at 2 seconds. 
.sun...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 4 seconds and e 2 ft at 12 seconds. 
.sun night...s winds 20 to 25 kt. seas 4 to 6 ft. wave detail: s
6 ft at 6 seconds and e 1 foot at 11 seconds. a chance of showers
in the evening, then showers likely after midnight. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. showers likely. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. a chance of showers. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.tue night...sw winds 15 to 20 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.

$$

fzus51 kbox 171105
cwfbox
expires:202510180000;;283839

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz236-180000-
narragansett bay-
704 am edt fri oct 17 2025

...small craft advisory in effect until 2 pm edt this afternoon...

.today...n winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.tonight...n winds 5 to 10 kt. waves around 2 ft in the evening,
then 1 foot or less. 
.sat...n winds 5 to 10 kt, becoming nw in the afternoon. waves
1 foot or less. 
.sat night...sw winds around 5 kt. waves 1 foot or less. 
.sun...s winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 4 ft. a chance of showers in the evening, then showers
likely after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
4 ft. showers likely. vsby 1 to 3 nm. 
.mon night...sw winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 4 ft. a chance of showers. 
.tue...sw winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
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 171105
cwfbox
expires:202510180000;;283827

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz250-180000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
704 am edt fri oct 17 2025

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

.today...n winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 7 to 9 ft, subsiding to 5 to
8 ft this afternoon. wave detail: n 8 ft at 7 seconds and se
1 foot at 9 seconds, becoming n 8 ft at 7 seconds and e 4 ft at
9 seconds. 
.tonight...n winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 10 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 5 to 7 ft. wave detail: ne 7 ft at 11 seconds and n 1 foot
at 3 seconds. 
.sat night...s winds around 5 kt, becoming sw after midnight.
seas 4 to 6 ft. wave detail: e 6 ft at 11 seconds and ne 1 foot
at 8 seconds. 
.sun...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 4 to 5 ft. wave detail: e 5 ft
at 11 seconds and s 3 ft at 3 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 5 ft. wave detail: se 5 ft at 5 seconds and e 4 ft at
10 seconds. a chance of showers in the evening, then showers
likely after midnight. 
.mon...se winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
5 ft. showers likely. vsby 1 to 3 nm.
.mon night and tue...sw winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. seas 3 to 5 ft. a chance of showers. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. showers likely. vsby 1 to 3 nm. 

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 171105
cwfbox
expires:202510180000;;283830

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz254-180000-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
704 am edt fri oct 17 2025

...gale warning in effect until 11 am edt this morning...

.today...n winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. wave detail: ne 9 ft at 8 seconds and e 8 ft at 9 seconds.
.tonight...n winds 15 to 20 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: ne 8 ft at 10 seconds and ne 8 ft at
11 seconds. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 5 to 8 ft. wave detail: ne 8 ft at 11 seconds and
ne 4 ft at 10 seconds. 
.sat night...n winds 5 to 10 kt, becoming w after midnight. seas
5 to 7 ft. wave detail: e 7 ft at 11 seconds. 
.sun...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 4 to 6 ft. wave detail: e 6 ft
at 11 seconds and s 2 ft at 3 seconds. 
.sun night...s winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: s 5 ft at 5 seconds and e 4 ft at
11 seconds. a chance of showers after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. showers likely. vsby 1 to 3 nm. 
.mon night and tue...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. a chance of showers. vsby 1 to 3 nm. 
.tue night...sw winds around 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of showers. vsby 1 to 3 nm.  

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 171105
cwfbox
expires:202510180000;;283831

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am edt fri oct 17 2025

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


anz255-180000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 am edt fri oct 17 2025

...gale warning in effect until 11 am edt this morning...

.today...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft, subsiding to 5 to 7 ft this afternoon. wave detail: n 6 ft
at 6 seconds and e 2 ft at 9 seconds, becoming n 5 ft at
6 seconds and e 5 ft at 9 seconds. 
.tonight...n winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 6 ft at 12 seconds and ne 5 ft at 9 seconds.
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 4 to 6 ft. wave detail: e 6 ft at 12 seconds and n 2 ft at
4 seconds. 
.sat night...n winds 5 to 10 kt, becoming sw after midnight. seas
4 to 6 ft. wave detail: e 6 ft at 11 seconds and nw 1 foot at
3 seconds. 
.sun...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: e 5 ft at 12 seconds and
s 3 ft at 4 seconds. 
.sun night...s winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: sw 6 ft at 5 seconds and e 4 ft at
11 seconds. showers likely after midnight. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. showers likely. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. a chance of showers. 
.tue...sw winds 15 to 20 kt. seas 4 to 6 ft. 
.tue night...sw winds 15 to 20 kt. seas 3 to 5 ft. showers
likely.  

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.

$$