fzus51 kbox 201704
cwfbox
expires:202610210600;;893125

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz231-210600-
cape cod bay-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds around 20 kt with gusts up to 35 kt.
seas 3 to 5 ft. wave detail: e 5 ft at 10 seconds and n 4 ft at
5 seconds. 
.tonight...ne winds 20 to 25 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 10 seconds. 
.wed...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 e 6 ft at 9 seconds. 
.wed night...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
9 seconds. a chance of showers. 
.thu...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 3 to 5 ft. wave detail: n 5 ft at 5 seconds and e
5 ft at 9 seconds. 
.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 e 5 ft at
9 seconds. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. 
.fri night...n winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 5 ft. 
.sat and sat night...nw winds 5 to 10 kt, becoming w. 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 201704
cwfbox
expires:202610210600;;893129

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz232-210600-
nantucket sound-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds 20 to 25 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. 
.tonight...ne winds 20 to 25 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, diminishing to 20 to 25 kt in the
afternoon. gusts up to 40 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 20 to 25 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: n 6 ft at 5 seconds and e 4 ft at
9 seconds. a chance of showers. 
.thu and 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 5 seconds and e 4 ft at
9 seconds. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: n 5 ft at 5 seconds and e 3 ft at 9 seconds. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. 
.sat and sat night...w 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 201704
cwfbox
expires:202610210600;;893130

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz233-210600-
vineyard sound-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: n 4 ft at 4 seconds and se 1 foot at
10 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 5 seconds and e 2 ft at 9 seconds. 
.wed...ne 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 2 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 7 seconds and ne 4 ft at
4 seconds. a chance of showers.
.thu and thu night...n winds 25 to 30 kt. seas 3 to 5 ft. wave
detail: n 5 ft at 5 seconds and e 1 foot at 10 seconds. 
.fri and fri night...n winds 20 to 25 kt, diminishing to 10 to
15 kt. seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and se
1 foot at 10 seconds. 
.sat and sat night...w 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 201704
cwfbox
expires:202610210600;;893131

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz234-210600-
buzzards bay-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: n 5 ft at 4 seconds and e 2 ft at
10 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 5 ft at 5 seconds and e 2 ft at 10 seconds. 
.wed...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 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 5 seconds and e 2 ft at
12 seconds. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft, subsiding to 2 to 3 ft in the afternoon. wave detail: n
5 ft at 5 seconds and e 1 foot at 11 seconds, becoming n 3 ft at
4 seconds and e 2 ft at 10 seconds.
.thu night...n winds 20 to 25 kt. seas 2 to 3 ft. wave detail: n
3 ft at 4 seconds and e 1 foot at 9 seconds. 
.fri through sat night...w winds 15 to 20 kt with gusts up to
25 kt. seas 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 201704
cwfbox
expires:202610210600;;893132

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz235-210600-
rhode island sound-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 5 to 7 ft. wave detail: e 6 ft at 10 seconds and n 5 ft at
5 seconds. 
.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 5 to 7 ft. wave detail: n 6 ft at 5 seconds and e
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 6 seconds and e 5 ft at 9 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: n 5 ft at 6 seconds and e 5 ft at
10 seconds. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds and se 4 ft at 10 seconds.
.thu night...n winds 20 to 25 kt. seas 3 to 5 ft. wave detail: n
4 ft at 4 seconds and se 3 ft at 9 seconds. 
.fri...n winds 20 to 25 kt. seas 3 to 5 ft. 
.fri night and sat...n winds 10 to 15 kt, becoming nw 5 to 10 kt.
seas 2 to 4 ft. 
.sat night...w 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 201704
cwfbox
expires:202610210600;;893135

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz236-210600-
narragansett bay-
103 pm edt tue oct 20 2026

...small craft advisory in effect through late wednesday night...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
waves around 3 ft. 
.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. waves around
3 ft. 
.wed night...n winds 15 to 20 kt with gusts up to 30 kt. waves
around 3 ft. 
.thu and thu night...n winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 3 ft. 
.fri through sat night...w winds 15 to 20 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 201704
cwfbox
expires:202610210600;;893123

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz250-210600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt tue oct 20 2026

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

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 7 to 8 ft. wave detail: e 8 ft at 10 seconds and n 7 ft at
6 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
8 ft. wave detail: n 8 ft at 6 seconds and e 8 ft at 10 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: e 8 ft at 9 seconds and n 7 ft at 6 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 7 ft. wave detail: n 7 ft at 6 seconds and e 7 ft at
9 seconds. 
.thu and thu night...n winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. wave detail: n 7 ft at 6 seconds and e 7 ft at
9 seconds. 
.fri and fri night...n winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt. seas 5 to
8 ft. wave detail: n 8 ft at 7 seconds and e 8 ft at 9 seconds. 
.sat...w winds 5 to 10 kt. seas 4 to 6 ft. 
.sat night...w winds 5 to 10 kt. seas 3 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 201704
cwfbox
expires:202610210600;;893126

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz254-210600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds 20 to 25 kt with gusts up to 40 kt.
seas 7 to 9 ft. wave detail: e 9 ft at 10 seconds and n 6 ft at
5 seconds. 
.tonight...ne winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. wave detail: e 10 ft at 9 seconds and ne 8 ft at
7 seconds. 
.wed...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. 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 night...ne winds 20 to 25 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: e 9 ft at 9 seconds and n 6 ft at
6 seconds. a chance of showers. 
.thu...n winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. wave detail: e 8 ft at 9 seconds and n 7 ft at 6 seconds.
a chance of showers in the morning. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: n 7 ft at 7 seconds and e 6 ft at
9 seconds. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. 
.fri night...n winds 20 to 25 kt. seas 6 to 9 ft. 
.sat...nw winds 10 to 15 kt. seas 5 to 8 ft. 
.sat night...w winds 5 to 10 kt. seas 4 to 6 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 201704
cwfbox
expires:202610210600;;893127

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 20 2026

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


anz255-210600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt tue oct 20 2026

...gale warning in effect through thursday morning...

.this afternoon...ne winds 25 to 30 kt with gusts up to 40 kt.
seas 7 to 10 ft. wave detail: n 7 ft at 6 seconds and e 7 ft at
10 seconds. 
.tonight...ne winds 25 to 30 kt with gusts up to 40 kt. seas 8 to
11 ft. wave detail: n 9 ft at 6 seconds and e 9 ft at 9 seconds. 
.wed...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 n 9 ft at 7 seconds.
.wed night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
8 to 11 ft. wave detail: n 8 ft at 7 seconds and e 8 ft at
10 seconds. a chance of showers. 
.thu...n winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. seas 7 to 10 ft. wave detail: n 8 ft at 6 seconds and
e 6 ft at 9 seconds. a chance of showers in the morning. 
.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 and e 6 ft at
9 seconds. 
.fri...n winds 25 to 30 kt. seas 6 to 9 ft. 
.fri night...n winds 20 to 25 kt. seas 5 to 7 ft. 
.sat and sat night...nw winds 10 to 15 kt, becoming w around
5 kt. seas 4 to 6 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.

$$