fzus51 kbox 191704
cwfbox
expires:202609200600;;717156

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 19 2026

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


anz231-200600-
cape cod bay-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 5 seconds and s 1 foot at 5 seconds. 
.tonight...se winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 5 seconds and s 1 foot at 4 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and n 1 foot at 5 seconds. showers in the
afternoon. 
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: e 2 ft
at 10 seconds and se 1 foot at 3 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: n 4 ft at 4 seconds and n 3 ft at 4 seconds. a
chance of showers in the morning. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n
3 ft at 5 seconds and e 1 foot at 9 seconds. 
.tue through wed night...e winds 20 to 25 kt with gusts up to
35 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:202609200600;;717160

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 19 2026

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


anz232-200600-
nantucket sound-
104 pm edt sat sep 19 2026

.this afternoon...ne winds around 10 kt. seas around 2 ft. wave
detail: n 2 ft at 4 seconds and s 1 foot at 5 seconds. 
.tonight...e winds 5 to 10 kt. seas around 2 ft. wave detail: ne
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.sun...se winds 10 to 15 kt. seas around 2 ft. wave detail: se
2 ft at 3 seconds and n 2 ft at 4 seconds. showers in the
afternoon. 
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se
2 ft at 4 seconds and n 1 foot at 5 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas around 3 ft. wave detail: ne 3 ft at 4 seconds
and nw 3 ft at 5 seconds. patchy fog in the morning. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: n 4 ft at 5 seconds and se 1 foot at
8 seconds. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. 
.wed night...ne winds 25 to 35 kt with gusts up to 40 kt. seas
5 to 7 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 191704
cwfbox
expires:202609200600;;717161

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 19 2026

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


anz233-200600-
vineyard sound-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 4 seconds and se 1 foot at 8 seconds. 
.tonight...e winds 5 to 10 kt. seas 1 foot or less. wave detail:
n 1 foot at 4 seconds and e 1 foot at 4 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 3 seconds and n 1 foot at 4 seconds. patchy fog in the
afternoon. showers in the afternoon.
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se
2 ft at 4 seconds and n 2 ft at 4 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...n winds 20 to 25 kt, becoming ne 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 3 to 4 ft. wave detail: n 4 ft
at 4 seconds and sw 2 ft at 5 seconds. patchy fog in the morning.
a chance of showers in the morning. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds
and ne 2 ft at 4 seconds. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. 
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 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 191704
cwfbox
expires:202609200600;;717162

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 19 2026

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


anz234-200600-
buzzards bay-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 5 to 10 kt. seas 1 foot or less. wave
detail: s 1 foot at 4 seconds and n 1 foot at 4 seconds. 
.tonight...e winds 5 to 10 kt. seas 1 foot or less. wave detail:
ne 1 foot at 3 seconds and se 1 foot at 4 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
1 foot at 3 seconds and n 1 foot at 4 seconds. patchy fog in the
afternoon. showers in the afternoon.
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se
2 ft at 4 seconds and n 2 ft at 4 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 4 ft at 5 seconds and ne 2 ft at 3 seconds.
patchy fog in the morning. a chance of showers in the morning. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds
and se 1 foot at 8 seconds. 
.tue and tue night...ne winds 15 to 20 kt, increasing to 20 to
25 kt. seas 2 to 4 ft. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. 
.wed night...ne winds 25 to 30 kt. seas 3 to 5 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 191704
cwfbox
expires:202609200600;;717163

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 19 2026

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


anz235-200600-
rhode island sound-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 4 seconds and se 1 foot at 8 seconds. 
.tonight...e winds around 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and se 1 foot at 4 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 4 seconds and n 1 foot at 4 seconds. patchy fog in the
afternoon. showers likely in the afternoon. 
.sun night...se winds 10 to 15 kt, becoming e with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: se 3 ft at
4 seconds and se 2 ft at 10 seconds. patchy fog. showers. vsby
1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 4 seconds and n 3 ft at 4 seconds.
patchy fog in the morning. a chance of showers in the morning. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: ne 3 ft at 4 seconds and se 2 ft at
7 seconds. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. 
.wed...ne winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. 
.wed night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
6 to 9 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 191704
cwfbox
expires:202609200600;;717166

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 19 2026

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


anz236-200600-
narragansett bay-
104 pm edt sat sep 19 2026

.this afternoon...e winds 5 to 10 kt. waves around 2 ft. 
.tonight...se winds 5 to 10 kt. waves 1 foot or less. 
.sun...se winds 5 to 10 kt. waves around 2 ft. patchy fog in the
afternoon. showers in the afternoon. 
.sun night...se winds 5 to 10 kt, becoming ne 10 to 15 kt with
gusts up to 20 kt after midnight. waves 2 to 3 ft. patchy fog.
showers. vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. patchy fog in the morning. a chance of showers in the
morning. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.tue through wed night...ne winds 20 to 25 kt with gusts up to
35 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:202609200600;;717154

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 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-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds and s 1 foot at 5 seconds. 
.tonight...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 4 seconds and n 2 ft at 4 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 4 seconds and se 2 ft at 8 seconds. patchy fog in the
afternoon. showers in the afternoon.
.sun night...se winds 10 to 15 kt, becoming e 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 4 seconds and s 2 ft at 3 seconds. patchy fog. showers. vsby
1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: ne 4 ft at 5 seconds and n 3 ft at 4 seconds.
a chance of showers in the morning. 
.mon night...ne winds around 10 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n
4 ft at 5 seconds and se 3 ft at 8 seconds. 
.tue and tue night...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 5 ft. 
.wed and wed night...ne winds 20 to 25 kt, becoming e 15 to
20 kt. gusts up 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:202609200600;;717157

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 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-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: n 4 ft at 5 seconds and sw 1 foot at 5 seconds. 
.tonight...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 7 seconds and nw 1 foot at 4 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 5 seconds and se 2 ft at 11 seconds. patchy fog in the
afternoon. a chance of showers in the afternoon. 
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt with
gusts up to 25 kt after midnight. seas 2 to 3 ft. wave detail: e
3 ft at 4 seconds and se 2 ft at 10 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 4 ft at 5 seconds and ne 4 ft at 6 seconds.
patchy fog in the morning. a chance of showers in the morning. 
.mon night...ne 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 2 ft at
7 seconds. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.tue night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. 
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 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:202609200600;;717158

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat sep 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-
104 pm edt sat sep 19 2026

.this afternoon...ne winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 7 seconds and n 1 foot at 4 seconds. 
.tonight...e winds around 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 6 seconds and n 1 foot at 3 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 4 seconds and n 2 ft at 5 seconds. a chance of showers in the
afternoon. 
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se
3 ft at 10 seconds and se 2 ft at 4 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...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 3 ft at 8 seconds.
patchy fog in the morning. a chance of showers in the morning. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: n 4 ft at 6 seconds and se 2 ft at
7 seconds. 
.tue and tue night...ne winds 20 to 25 kt, increasing to 25 to
30 kt. seas 5 to 8 ft. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. 
.wed night...ne winds 25 to 35 kt with gusts up to 40 kt. seas
8 to 11 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.

$$