fzus51 kbox 191704
cwfbox
expires:202610200600;;839133

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz231-200600-
cape cod bay-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds around 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: e 2 ft at 10 seconds and n 1 foot at
4 seconds. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft. wave detail: e 4 ft
at 10 seconds and n 3 ft at 4 seconds. 
.tue...ne winds 20 to 25 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: n 5 ft at 5 seconds and e 5 ft at 10 seconds. 
.tue night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
4 to 6 ft. wave detail: n 6 ft at 5 seconds and e 6 ft at
9 seconds. 
.wed...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds and e
6 ft at 9 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: n 5 ft at 6 seconds and e 5 ft at
9 seconds. a chance of showers. 
.thu through fri night...n winds 20 to 25 kt with gusts up to
30 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 191704
cwfbox
expires:202610200600;;839137

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz232-200600-
nantucket sound-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds and ne 3 ft at
5 seconds. 
.tonight...ne 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: n 5 ft
at 5 seconds and e 4 ft at 9 seconds. 
.tue...ne winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: n 5 ft at 5 seconds and e 5 ft at 10 seconds. 
.tue night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 ft. wave detail: n 6 ft at 5 seconds and e 4 ft at
10 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: n 6 ft at 5 seconds and e 5 ft at 9 seconds. 
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: n 6 ft at 6 seconds and e 4 ft at
10 seconds. a chance of showers. 
.thu...n winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. a chance of showers. 
.thu night through fri night...n winds 25 to 30 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 191704
cwfbox
expires:202610200600;;839138

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz233-200600-
vineyard sound-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds around 15 kt with gusts up to 20 kt.
seas around 3 ft. wave detail: ne 2 ft at 5 seconds and se 2 ft
at 15 seconds. 
.tonight...ne 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: n 4 ft
at 5 seconds and se 2 ft at 12 seconds. 
.tue...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds and se 2 ft at 11 seconds.
.tue night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds
and se 2 ft at 9 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: ne 6 ft at 5 seconds and se 1 foot at
10 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: n 5 ft at 7 seconds and ne 4 ft at
4 seconds. a chance of showers.
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 2 to
4 ft. a chance of showers. 
.thu night through fri night...n winds 20 to 25 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 191704
cwfbox
expires:202610200600;;839139

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz234-200600-
buzzards bay-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: ne 2 ft at 3 seconds and n 1 foot at
6 seconds. 
.tonight...ne winds 15 to 20 kt, becoming n 20 to 25 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds and se 2 ft at 15 seconds. 
.tue...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds and
se 2 ft at 11 seconds. 
.tue night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds
and e 2 ft at 10 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds and e 2 ft at 10 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: n 5 ft at 7 seconds and ne 4 ft at
4 seconds. a chance of showers.
.thu through fri night...n winds 20 to 25 kt with gusts up to
30 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 191704
cwfbox
expires:202610200600;;839140

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz235-200600-
rhode island sound-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds around 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: ne 4 ft at 6 seconds and se 4 ft at
13 seconds. 
.tonight...ne winds 15 to 20 kt, becoming n 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: se 6 ft
at 12 seconds and n 5 ft at 5 seconds. 
.tue...ne winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: se 6 ft at 11 seconds and n 5 ft at 5 seconds.
.tue night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. gusts up to 40 kt. seas 5 to 7 ft. wave detail: n
6 ft at 5 seconds and se 5 ft at 10 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: n 6 ft at 5 seconds and se 5 ft at 9 seconds. 
.wed night...ne winds 25 to 30 kt, becoming n 20 to 25 kt after
midnight. seas 5 to 7 ft. wave detail: n 5 ft at 6 seconds and se
5 ft at 10 seconds. a chance of showers after midnight. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. 
.thu night...n winds 20 to 25 kt. seas 2 to 4 ft. 
.fri...n winds 20 to 25 kt. seas 3 to 5 ft. 
.fri night...n 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 191704
cwfbox
expires:202610200600;;839143

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz236-200600-
narragansett bay-
103 pm edt mon oct 19 2026

...small craft advisory in effect from tuesday morning through
wednesday afternoon...

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tonight...ne winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft.
.tue...n winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft. 
.tue night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. waves 2 to 3 ft. 
.wed and wed night...n winds 20 to 25 kt with gusts up to 30 kt.
waves 2 to 3 ft. 
.thu through fri night...n winds 15 to 20 kt with gusts up to
25 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 191704
cwfbox
expires:202610200600;;839131

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz250-200600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt mon oct 19 2026

...small craft advisory in effect from 8 pm edt this evening
through wednesday evening...

.this afternoon...e winds 5 to 10 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: e 4 ft at 10 seconds and e 2 ft at
7 seconds. 
.tonight...ne winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: e 7 ft at 11 seconds and n 3 ft at 3 seconds. 
.tue...ne winds 15 to 20 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: e 8 ft at 10 seconds and n 7 ft at 5 seconds. 
.tue night...ne winds 20 to 25 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: e 9 ft at 9 seconds and n 7 ft at
6 seconds. 
.wed and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 6 to 9 ft. wave detail: e 9 ft at 9 seconds and n 7 ft at
6 seconds. 
.thu through fri night...n winds 20 to 25 kt with gusts up to
30 kt. seas 5 to 7 ft. wave detail: n 7 ft at 6 seconds and e
7 ft at 10 seconds.  

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 191704
cwfbox
expires:202610200600;;839134

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz254-200600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: e 6 ft at 9 seconds and n 5 ft at
5 seconds. 
.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 35 kt. seas 5 to 7 ft, building to 6 to
9 ft after midnight. wave detail: e 7 ft at 10 seconds and ne
3 ft at 3 seconds, becoming e 9 ft at 10 seconds and n 4 ft at
4 seconds. 
.tue...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 7 to 10 ft. wave detail: e
10 ft at 10 seconds and n 6 ft at 5 seconds. 
.tue night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
8 to 11 ft. wave detail: e 10 ft at 9 seconds and ne 8 ft at
7 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. wave detail: ne 11 ft at 9 seconds and ne 8 ft at
7 seconds. a chance of showers in the afternoon. 
.wed night...ne winds 25 to 30 kt. seas 7 to 10 ft. wave detail:
e 10 ft at 10 seconds and n 6 ft at 5 seconds. a chance of
showers. 
.thu...n winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. a chance of showers. 
.thu night through fri night...n winds 25 to 30 kt. seas 5 to
8 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 191704
cwfbox
expires:202610200600;;839135

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz255-200600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt mon oct 19 2026

...gale warning in effect from 8 pm edt this evening through
wednesday evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: n 7 ft at 7 seconds and e 7 ft at
8 seconds. 
.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 6 to 9 ft. wave detail: e 9 ft at 11 seconds and n
7 ft at 5 seconds. 
.tue...ne winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. wave detail: e 8 ft at 10 seconds and n 7 ft at 6 seconds.
.tue night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
8 to 11 ft. wave detail: e 11 ft at 9 seconds and n 9 ft at
6 seconds. 
.wed and wed night...ne winds 30 to 35 kt with gusts up to 40 kt.
seas 8 to 11 ft. wave detail: e 11 ft at 9 seconds and n 8 ft at
7 seconds. a chance of showers. 
.thu...n winds 25 to 35 kt. seas 6 to 9 ft. wave detail: e 9 ft
at 10 seconds and n 7 ft at 6 seconds. a chance of showers. 
.thu night through fri night...ne winds 25 to 30 kt. seas 5 to
7 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.

$$