fzus51 kbox 151703
cwfbox
expires:202510160600;;186590

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz231-160600-
cape cod bay-
103 pm edt wed oct 15 2025

...gale watch in effect from thursday morning through friday
morning...

.this afternoon...n winds around 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: e 3 ft at 10 seconds and n 2 ft at
5 seconds. a slight chance of showers. 
.tonight...n winds 20 to 25 kt. seas 3 to 5 ft. wave detail: n
4 ft at 6 seconds and e 3 ft at 10 seconds. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 5 ft at 6 seconds and se 3 ft at 10 seconds.
a chance of showers in the afternoon. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: n 6 ft at 6 seconds and se 2 ft at
10 seconds. a chance of showers. vsby 1 to 3 nm in the evening. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: n 6 ft at 7 seconds and ne 4 ft at 9 seconds.
a chance of showers. 
.fri night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n
4 ft at 6 seconds and ne 4 ft at 10 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. a chance of rain.  

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 151703
cwfbox
expires:202510160600;;186594

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz232-160600-
nantucket sound-
103 pm edt wed oct 15 2025

...gale watch in effect from thursday morning through friday
morning...

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: n 2 ft at 4 seconds and e 2 ft at
10 seconds. a slight chance of showers. 
.tonight...n winds 20 to 25 kt. seas 3 to 5 ft. wave detail: n
3 ft at 4 seconds and e 2 ft at 10 seconds. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 4 ft at 5 seconds and e 2 ft at 10 seconds.
a chance of showers in the afternoon. 
.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 5 seconds and e 1 foot at
9 seconds. a chance of showers in the evening, then showers
likely after midnight. vsby 1 to 3 nm in the evening. 
.fri...n winds 25 to 30 kt. seas 4 to 6 ft. wave detail: n 5 ft
at 5 seconds and ne 3 ft at 10 seconds. a chance of showers. 
.fri night...n winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds
and ne 2 ft at 10 seconds. 
.sat through sun...s winds 15 to 20 kt. seas 2 to 3 ft. 
.sun night...s winds 15 to 20 kt. seas 2 to 4 ft. a chance of
rain.  

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 151703
cwfbox
expires:202510160600;;186595

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz233-160600-
vineyard sound-
103 pm edt wed oct 15 2025

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 2 ft at 9 seconds and n 1 foot at
4 seconds. 
.tonight...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 2 ft at 4 seconds and se 2 ft at 9 seconds. 
.thu...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 se 2 ft at 10 seconds.
a chance of showers in the afternoon. 
.thu night...n winds 20 to 25 kt. seas around 3 ft. wave detail:
n 3 ft at 4 seconds and se 1 foot at 10 seconds. a chance of
showers. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas around 3 ft. wave detail: n 2 ft at 4 seconds and
e 1 foot at 9 seconds. a chance of showers. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and e
1 foot at 10 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...s winds 15 to 20 kt. seas 3 to 5 ft. a chance of
rain.  

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 151703
cwfbox
expires:202510160600;;186596

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz234-160600-
buzzards bay-
103 pm edt wed oct 15 2025

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 2 ft at 9 seconds and n 1 foot at
4 seconds. 
.tonight...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 se 2 ft at
9 seconds. 
.thu...n winds 15 to 20 kt with gusts up to 30 kt. seas around
3 ft. wave detail: n 2 ft at 4 seconds and se 2 ft at 10 seconds.
.thu night...n winds 20 to 25 kt with gusts up to 30 kt. seas
around 3 ft. wave detail: n 3 ft at 4 seconds and se 1 foot at
10 seconds. a chance of showers. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas around
3 ft. wave detail: n 3 ft at 4 seconds and e 2 ft at 10 seconds.
a chance of showers in the morning. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and e
2 ft at 11 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...s winds 15 to 20 kt. seas 2 to 4 ft. a chance of
rain.  

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 151703
cwfbox
expires:202510160600;;186597

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz235-160600-
rhode island sound-
103 pm edt wed oct 15 2025

...small craft advisory in effect through thursday morning...

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: se 4 ft at 10 seconds and n 2 ft at
4 seconds. 
.tonight...n winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. seas 3 to 5 ft. wave detail: n 4 ft at 4 seconds and se
4 ft at 10 seconds. 
.thu...n winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: n 4 ft at 5 seconds and se 3 ft at 10 seconds.
.thu night...n winds 20 to 25 kt. seas 3 to 5 ft. wave detail: n
4 ft at 5 seconds and se 2 ft at 10 seconds. a chance of showers
after midnight. 
.fri...n winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and
se 1 foot at 9 seconds. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: n 2 ft at 4 seconds and e
1 foot at 10 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.sun night...s winds 15 to 20 kt. seas 4 to 6 ft. a chance of
rain.  

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 151703
cwfbox
expires:202510160600;;186600

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz236-160600-
narragansett bay-
103 pm edt wed oct 15 2025

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tonight...n winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.thu...n winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.thu night...n winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.fri and fri night...n winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of rain.  

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 151703
cwfbox
expires:202510160600;;186588

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz250-160600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt wed oct 15 2025

...small craft advisory in effect until 8 pm edt this evening...
...gale watch in effect from thursday morning through friday
morning...

.this afternoon...n winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: e 5 ft at 9 seconds and n 3 ft at
4 seconds. a slight chance of showers. 
.tonight...n winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: n 6 ft at 6 seconds and se 5 ft at 9 seconds. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
8 ft. wave detail: n 7 ft at 7 seconds and se 4 ft at 10 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 8 ft at 7 seconds and se 3 ft at
9 seconds. a chance of showers. vsby 1 to 3 nm in the evening. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: ne 8 ft at 8 seconds and n 4 ft at 7 seconds.
a chance of showers in the morning. 
.fri night...n winds around 15 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: ne 6 ft at 8 seconds and e 6 ft at
14 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of rain.  

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 151703
cwfbox
expires:202510160600;;186591

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz254-160600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 pm edt wed oct 15 2025

...small craft advisory in effect until 8 pm edt this evening...
...gale watch in effect from thursday morning through friday
morning...

.this afternoon...n winds 15 to 20 kt. seas 4 to 6 ft. wave
detail: e 6 ft at 10 seconds and n 2 ft at 4 seconds. a slight
chance of showers. 
.tonight...n winds 20 to 25 kt. seas 5 to 7 ft. wave detail: n
6 ft at 6 seconds and se 5 ft at 10 seconds. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: n 7 ft at 7 seconds and se 4 ft at 10 seconds.
a chance of showers in the morning, then showers likely in the
afternoon. 
.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 8 seconds and nw 6 ft at
7 seconds. showers likely. vsby 1 to 3 nm in the evening. 
.fri...n winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: ne 9 ft at 9 seconds and n 8 ft at 7 seconds.
showers likely, mainly in the morning.
.fri night...n winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail:
ne 7 ft at 9 seconds and nw 2 ft at 5 seconds. 
.sat and sat night...n winds 15 to 20 kt, becoming w 5 to 10 kt.
seas 4 to 6 ft. 
.sun...s winds 5 to 10 kt. seas 3 to 5 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. a chance of rain.  

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 151703
cwfbox
expires:202510160600;;186592

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt wed oct 15 2025

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


anz255-160600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt wed oct 15 2025

...small craft advisory in effect until 8 pm edt this evening...
...gale watch in effect from thursday morning through friday
morning...

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 6 ft. wave detail: e 5 ft at 10 seconds and n 2 ft at
4 seconds. a slight chance of showers. 
.tonight...n winds 20 to 25 kt. seas 5 to 8 ft. wave detail: se
5 ft at 10 seconds and n 4 ft at 5 seconds. 
.thu...n winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 5 to 8 ft. wave detail: n 5 ft at 6 seconds and
se 4 ft at 10 seconds. a chance of showers in the afternoon. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: n 6 ft at 6 seconds and se 2 ft at
9 seconds. showers likely. vsby 1 to 3 nm in the evening. 
.fri...n winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft, subsiding to 5 to 7 ft in the afternoon. wave detail: n
7 ft at 7 seconds and e 3 ft at 9 seconds, becoming e 6 ft at
9 seconds and n 4 ft at 6 seconds. a chance of showers. 
.fri night...n winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail:
ne 6 ft at 9 seconds and n 3 ft at 5 seconds. 
.sat...n winds 15 to 20 kt. seas 4 to 6 ft. 
.sat night and sun...w winds 5 to 10 kt, becoming s 10 to 15 kt.
seas 3 to 5 ft. 
.sun night...s winds 15 to 20 kt. seas 4 to 6 ft. a chance of
rain.  

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.

$$