fzus51 kbox 281705
cwfbox
expires:202510290600;;914522

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz231-290600-
cape cod bay-
105 pm edt tue oct 28 2025

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

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

winds and seas higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914526

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz232-290600-
nantucket sound-
105 pm edt tue oct 28 2025

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

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: n 3 ft at 4 seconds and se 1 foot at
7 seconds. a slight chance of showers. 
.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: n 4 ft at 4 seconds and e 3 ft at 9 seconds. a
chance of showers. 
.wed...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 3 to 5 ft. wave detail: ne 4 ft at 4 seconds and
e 4 ft at 9 seconds. a chance of showers. patchy fog in the
afternoon. 
.wed night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 3 to 5 ft. wave detail: ne 4 ft at 4 seconds
and e 3 ft at 9 seconds. patchy fog. a chance of showers. 
.thu...ne winds 15 to 20 kt, becoming e 20 to 25 kt in the
afternoon. seas 3 to 5 ft. wave detail: e 4 ft at 4 seconds and e
3 ft at 9 seconds. a chance of showers in the morning, then
showers in the afternoon. patchy fog in the morning. 
.thu night...se winds 20 to 25 kt. seas 5 to 7 ft. wave detail:
se 5 ft at 5 seconds and e 3 ft at 8 seconds. showers. a chance
of tstms after midnight. vsby 1 to 3 nm. 
.fri...sw winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
7 ft. showers with a chance of tstms. vsby 1 to 3 nm. 
.fri night and sat...w winds 30 to 40 kt with gusts up to 45 kt.
seas 6 to 9 ft. 
.sat night...w winds 25 to 30 kt. seas 5 to 7 ft.  

winds and seas higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914527

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz233-290600-
vineyard sound-
105 pm edt tue oct 28 2025

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

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: n 2 ft at 4 seconds and se 1 foot at
8 seconds. a slight chance of showers. 
.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: ne 3 ft at 4 seconds and e 2 ft at 10 seconds.
a chance of showers in the evening, then showers likely after
midnight. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: ne 3 ft at 4 seconds and ne 2 ft at 9 seconds.
a chance of showers. patchy fog in the afternoon. 
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: ne 3 ft at 4 seconds and e 3 ft at
9 seconds. patchy fog. a chance of showers. 
.thu...ne winds 15 to 20 kt, becoming e 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: ne
3 ft at 4 seconds and e 3 ft at 9 seconds. a chance of showers in
the morning, then showers likely in the afternoon. patchy fog in
the morning. vsby 1 to 3 nm in the afternoon. 
.thu night...se winds 20 to 25 kt. seas 5 to 7 ft. wave detail: e
4 ft at 9 seconds and se 3 ft at 4 seconds. showers with a chance
of tstms. vsby 1 to 3 nm. 
.fri...sw winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
8 ft. showers likely with a chance of tstms. vsby 1 to 3 nm. 
.fri night...w winds 30 to 35 kt with gusts up to 40 kt. seas
7 to 10 ft. 
.sat...w winds 25 to 35 kt with gusts up to 40 kt. seas 8 to
11 ft. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft.  

winds and seas higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914528

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz234-290600-
buzzards bay-
105 pm edt tue oct 28 2025

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

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: n 2 ft at 4 seconds and se 1 foot at
8 seconds. a slight chance of showers. 
.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 3 ft at 4 seconds and e 3 ft at 9 seconds. a
chance of showers. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: ne 3 ft at 4 seconds and ne 3 ft at 9 seconds.
a chance of showers. patchy fog in the afternoon. 
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: e 3 ft at 9 seconds and ne 2 ft at
4 seconds. patchy fog. a chance of showers. 
.thu...ne winds 15 to 20 kt, becoming e 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 4 ft. wave detail: e 3 ft
at 4 seconds and e 3 ft at 9 seconds. a chance of showers in the
morning, then showers in the afternoon. patchy fog in the
morning. vsby 1 to 3 nm in the afternoon. 
.thu night...se winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: e 4 ft at 8 seconds and se 3 ft at
4 seconds. showers with a chance of tstms. vsby 1 to 3 nm. 
.fri...sw winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. showers likely with a chance of tstms. vsby 1 to 3 nm. 
.fri night and sat...w winds 25 to 35 kt with gusts up to 40 kt.
seas 5 to 7 ft. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft.  

winds and seas higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914529

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz235-290600-
rhode island sound-
105 pm edt tue oct 28 2025

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

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: n 4 ft at 4 seconds and se 1 foot at
8 seconds. a slight chance of showers. 
.tonight...ne winds 25 to 30 kt. seas 3 to 5 ft. wave detail: ne
5 ft at 5 seconds and e 2 ft at 10 seconds. a chance of showers. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: ne 5 ft at 5 seconds and e 2 ft at 10 seconds.
a chance of showers. patchy fog in the afternoon. 
.wed night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 3 to 5 ft. wave detail: ne 5 ft at 5 seconds
and e 3 ft at 9 seconds. a chance of showers. patchy fog after
midnight. 
.thu...e winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: se 6 ft at 9 seconds and e 5 ft at 5 seconds.
showers. patchy fog in the morning. vsby 1 to 3 nm in the
afternoon. 
.thu night...se winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: e 7 ft at 8 seconds and se 6 ft at
8 seconds. showers with a chance of tstms. vsby 1 to 3 nm. 
.fri...sw winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. showers likely. vsby 1 to 3 nm. 
.fri night...w winds 30 to 40 kt. seas 9 to 13 ft. 
.sat...w winds 30 to 40 kt. seas 8 to 11 ft. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft.  

winds and seas higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914532

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz236-290600-
narragansett bay-
105 pm edt tue oct 28 2025

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
waves around 3 ft. a slight chance of showers. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. a chance of showers. 
.wed...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. a chance of showers. 
.wed night...ne winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 3 ft. a chance of showers. patchy fog after
midnight. 
.thu...ne winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft, building to 3 to 5 ft in the afternoon. showers. patchy fog
in the morning. vsby 1 to 3 nm in the afternoon. 
.thu night...se winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. showers with a chance of tstms. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt with gusts up to 30 kt. waves 4 to
6 ft. showers likely. vsby 1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 35 kt. waves
5 to 7 ft. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt. waves 4 to
6 ft, except 6 to 9 ft at the bay entrance. 
.sat night...w winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 4 ft.  

winds and waves higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914520

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz250-290600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt tue oct 28 2025

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

.this afternoon...ne winds around 20 kt with gusts up to 30 kt.
seas 5 to 6 ft. wave detail: ne 6 ft at 7 seconds. a slight
chance of showers. 
.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: ne 8 ft at 8 seconds. a chance of showers
after midnight. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
7 ft. wave detail: ne 7 ft at 9 seconds and ne 2 ft at 5 seconds.
a chance of showers.
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: e 6 ft at 8 seconds and se 3 ft at
10 seconds. a chance of showers. patchy fog after midnight. 
.thu...ne winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 6 ft at 8 seconds and se 3 ft at 9 seconds.
a chance of showers in the morning, then showers in the
afternoon. patchy fog in the morning. 
.thu night...e winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: e 7 ft at 7 seconds and se 1 foot at
9 seconds. showers. a chance of tstms after midnight. vsby 1 to
3 nm. 
.fri...sw winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
9 ft. a chance of showers and tstms. vsby 1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 40 kt. seas
6 to 8 ft. a chance of showers. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
8 ft. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft.  

winds and seas higher in and near tstms.

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 281705
cwfbox
expires:202510290600;;914523

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz254-290600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 pm edt tue oct 28 2025

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

.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 7 seconds and se 1 foot
at 10 seconds. a slight chance of showers. 
.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 6 to 9 ft. wave detail: ne 9 ft at 8 seconds. a
chance of showers. patchy fog after midnight. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: ne 8 ft at 9 seconds and ne 2 ft at 4 seconds.
patchy fog. showers likely in the morning. a chance of showers in
the afternoon. 
.wed night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 5 to 7 ft. wave detail: e 7 ft at 8 seconds
and s 2 ft at 10 seconds. patchy fog. a chance of showers. 
.thu...e winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: e 7 ft at 9 seconds and se 2 ft at 9 seconds.
a chance of showers in the morning, then showers likely in the
afternoon. patchy fog in the morning. 
.thu night...se winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. wave detail: e 7 ft at 8 seconds and e 2 ft at
4 seconds. showers. vsby 1 to 3 nm. 
.fri...sw winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. showers likely. vsby 1 to 3 nm. 
.fri night and sat...w winds 25 to 35 kt with gusts up to 40 kt.
seas 9 to 12 ft, except 13 to 18 ft s and e of nantucket. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 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 281705
cwfbox
expires:202510290600;;914524

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue oct 28 2025

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


anz255-290600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 pm edt tue oct 28 2025

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

.this afternoon...ne winds 25 to 30 kt. seas 4 to 6 ft. wave
detail: n 5 ft at 5 seconds and se 1 foot at 7 seconds. a slight
chance of showers. 
.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: ne 7 ft at 6 seconds and e 6 ft at 9 seconds.
a chance of showers in the evening, then showers likely after
midnight. patchy fog after midnight. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: e 8 ft at 9 seconds and ne 5 ft at 6 seconds.
a chance of showers. patchy fog in the afternoon. 
.wed night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 5 to 7 ft. wave detail: e 7 ft at 9 seconds
and ne 4 ft at 5 seconds. patchy fog. a chance of showers. 
.thu...e winds 20 to 25 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 9 seconds and e 4 ft at 5 seconds. a chance of showers in the
morning, then showers likely in the afternoon. patchy fog in the
morning. vsby 1 to 3 nm in the afternoon. 
.thu night...se winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: e 6 ft at 7 seconds and s 5 ft at
8 seconds. showers. a chance of tstms after midnight. vsby 1 to
3 nm. 
.fri...sw winds 25 to 35 kt with gusts up to 40 kt. seas 9 to
13 ft. showers likely with a chance of tstms. vsby 1 to 3 nm. 
.fri night and sat...w winds 35 to 45 kt. seas 12 to 17 ft. 
.sat night...w winds 25 to 30 kt with gusts up to 35 kt. seas
8 to 11 ft.  

winds and seas higher in and near tstms.

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.

$$