fzus51 kbox 110804
cwfbox
expires:202510112100;;937197

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz231-112100-
cape cod bay-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...s winds 5 to 10 kt. seas 1 foot or less. wave detail: s
1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.tonight...e winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 1 foot or less, then 2 to 3 ft after midnight. wave detail:
nw 1 foot at 3 seconds and e 1 foot at 3 seconds, becoming e 2 ft
at 4 seconds and se 1 foot at 9 seconds. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt, becoming ne
20 to 25 kt with gusts up to 40 kt in the afternoon. seas 3 to
5 ft. wave detail: se 5 ft at 10 seconds and e 4 ft at 5 seconds.
a chance of rain in the afternoon. 
.sun night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
5 to 7 ft. wave detail: se 7 ft at 11 seconds and ne 6 ft at
5 seconds. rain. vsby 1 to 3 nm. 
.mon...ne winds 25 to 30 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: e 7 ft at 11 seconds and ne 6 ft at 5 seconds.
rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt. gusts up to 40 kt, decreasing
to 30 kt after midnight. seas 5 to 7 ft. wave detail: e 7 ft at
11 seconds and ne 6 ft at 6 seconds. rain. vsby 1 to 3 nm. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. rain. vsby 1 to 3 nm. 
.wed...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.wed night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 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 110804
cwfbox
expires:202510112100;;937201

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz232-112100-
nantucket sound-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...s winds 5 to 10 kt, becoming e 10 to 15 kt this
afternoon. seas 1 foot or less, then around 2 ft this afternoon.
wave detail: se 1 foot at 4 seconds and nw 1 foot at 4 seconds,
becoming nw 1 foot at 3 seconds and e 1 foot at 4 seconds. 
.tonight...e winds 10 to 15 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 4 ft. wave detail: e 3 ft at 4 seconds and se
1 foot at 10 seconds. 
.sun...e winds 20 to 25 kt with gusts up to 30 kt, becoming ne
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft. wave detail: e 6 ft at 6 seconds and se 4 ft at 11 seconds.
a chance of rain in the afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 30 to 40 kt with gusts up to 45 kt. seas
5 to 7 ft, building to 6 to 9 ft after midnight. wave detail: e
7 ft at 6 seconds and se 7 ft at 11 seconds, becoming e 7 ft at
6 seconds and se 6 ft at 11 seconds. rain. vsby 1 to 3 nm. 
.mon and mon night...ne winds 25 to 35 kt with gusts up to 45 kt.
seas 6 to 9 ft. wave detail: e 7 ft at 6 seconds and e 7 ft at
11 seconds. rain. vsby 1 to 3 nm. 
.tue...ne winds 25 to 30 kt. seas 5 to 7 ft. wave detail: ne 5 ft
at 5 seconds and e 5 ft at 11 seconds. rain. vsby 1 to 3 nm. 
.tue night...n winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. rain likely. 
.wed and wed night...n winds 15 to 20 kt, increasing to 20 to
25 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 110804
cwfbox
expires:202510112100;;937202

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz233-112100-
vineyard sound-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...se winds 5 to 10 kt, increasing to 10 to 15 kt this
afternoon. seas 1 foot or less, then around 2 ft this afternoon.
wave detail: s 1 foot at 3 seconds and e 1 foot at 5 seconds,
becoming e 1 foot at 4 seconds and se 1 foot at 9 seconds. 
.tonight...e 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: se 3 ft
at 7 seconds and e 2 ft at 4 seconds. 
.sun...e winds 20 to 25 kt, becoming ne 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 4 to 6 ft. wave detail: se
6 ft at 13 seconds and ne 4 ft at 5 seconds. a chance of rain in
the morning, then rain likely in the afternoon with vsby 1 to
3 nm. 
.sun night...ne winds 25 to 30 kt, increasing to 30 to 35 kt
after midnight. gusts up to 45 kt. seas 5 to 8 ft. wave detail:
se 8 ft at 13 seconds and ne 5 ft at 5 seconds. rain. vsby 1 to
3 nm. 
.mon...ne winds around 30 kt with gusts up to 40 kt. seas 6 to
9 ft. wave detail: se 7 ft at 12 seconds and ne 5 ft at
5 seconds. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. wave detail: ne 4 ft at 5 seconds and se 4 ft at
11 seconds. rain. vsby 1 to 3 nm. 
.tue...ne winds around 25 kt with gusts up to 35 kt. seas 4 to
6 ft. rain. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. rain likely. 
.wed and wed night...n winds 10 to 15 kt, increasing to 15 to
20 kt. seas 2 to 4 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 110804
cwfbox
expires:202510112100;;937203

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz234-112100-
buzzards bay-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...se winds 5 to 10 kt. seas 1 foot or less, then around
2 ft this afternoon. wave detail: s 1 foot at 3 seconds and e
1 foot at 5 seconds, becoming e 1 foot at 4 seconds and se 1 foot
at 9 seconds. 
.tonight...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: e
2 ft at 4 seconds and se 2 ft at 8 seconds. 
.sun...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 4 to 6 ft. wave detail: se
5 ft at 11 seconds and e 4 ft at 5 seconds. rain likely in the
afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
4 to 6 ft. wave detail: se 6 ft at 12 seconds and ne 5 ft at
5 seconds. rain. vsby 1 to 3 nm. 
.mon...ne winds around 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: se 6 ft at 11 seconds and ne 5 ft at
5 seconds. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt. gusts up to 40 kt in the
evening. seas 4 to 6 ft. wave detail: ne 5 ft at 5 seconds and se
5 ft at 11 seconds. rain. vsby 1 to 3 nm. 
.tue and tue night...ne winds 25 to 30 kt, becoming n 20 to
25 kt. seas 3 to 5 ft. rain.
.wed...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.wed night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 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 110804
cwfbox
expires:202510112100;;937204

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz235-112100-
rhode island sound-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...se winds 5 to 10 kt, becoming e 10 to 15 kt this
afternoon. seas around 2 ft. wave detail: se 2 ft at 5 seconds
and se 1 foot at 8 seconds. 
.tonight...e winds 10 to 15 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 5 ft. wave detail: se 5 ft at 6 seconds and
se 1 foot at 16 seconds. 
.sun...ne winds 25 to 30 kt. gusts up to 45 kt in the afternoon.
seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. wave
detail: se 7 ft at 8 seconds and e 5 ft at 5 seconds, becoming se
9 ft at 13 seconds and ne 5 ft at 5 seconds. a chance of rain in
the morning, then rain likely in the afternoon with vsby 1 to
3 nm. 
.sun night...ne winds 30 to 35 kt with gusts up to 45 kt. seas
9 to 12 ft. wave detail: se 12 ft at 13 seconds and ne 7 ft at
6 seconds. rain. vsby 1 to 3 nm. 
.mon...ne winds 30 to 35 kt with gusts up to 45 kt. seas 9 to
12 ft. wave detail: se 12 ft at 12 seconds and ne 7 ft at
6 seconds. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt. gusts up to 40 kt in the
evening. seas 8 to 11 ft. wave detail: se 11 ft at 12 seconds and
ne 6 ft at 6 seconds. rain. vsby 1 to 3 nm. 
.tue...ne winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. rain.
.tue night...n winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. rain likely. 
.wed...n winds 15 to 20 kt. seas 3 to 5 ft. 
.wed night...n winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 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 110804
cwfbox
expires:202510112100;;937207

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz236-112100-
narragansett bay-
404 am edt sat oct 11 2025

...gale watch in effect from sunday afternoon through monday
evening...

.today...se winds 5 to 10 kt. waves 1 foot or less, then around
2 ft this afternoon. 
.tonight...e winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 2 to 3 ft. 
.sun...ne winds 15 to 20 kt with gusts up to 30 kt, increasing to
20 to 25 kt with gusts up to 40 kt in the afternoon. waves 2 to
3 ft, except 4 to 6 ft at the bay entrance. rain likely in the
afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 20 to 25 kt with gusts up to 40 kt. waves
around 3 ft, except 5 to 7 ft at the bay entrance. rain. vsby
1 to 3 nm. 
.mon...ne winds 20 to 25 kt with gusts up to 40 kt. waves around
3 ft, except 5 to 7 ft at the bay entrance. rain. vsby 1 to 3 nm.
.mon night...ne winds 20 to 25 kt. gusts up to 35 kt in the
evening. waves around 3 ft, except 5 to 7 ft at the bay entrance.
rain. vsby 1 to 3 nm. 
.tue...n winds 20 to 25 kt with gusts up to 30 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. rain.
.tue night...n winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. a chance of rain. 
.wed...n winds around 10 kt. waves 2 to 3 ft. 
.wed night...n winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 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 110804
cwfbox
expires:202510112100;;937195

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz250-112100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...sw winds 5 to 10 kt, becoming s this afternoon. seas
around 2 ft. wave detail: sw 2 ft at 3 seconds and ne 1 foot at
4 seconds. 
.tonight...se winds 5 to 10 kt, becoming e 10 to 15 kt with gusts
up to 20 kt after midnight. seas 2 to 3 ft. wave detail: e 2 ft
at 3 seconds and w 1 foot at 2 seconds. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt, becoming ne
20 to 25 kt with gusts up to 40 kt in the afternoon. seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. wave detail: e 4 ft
at 6 seconds and se 1 foot at 10 seconds, becoming e 6 ft at
6 seconds and se 6 ft at 9 seconds. a chance of rain in the
afternoon.
.sun night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
6 to 9 ft, building to 9 to 13 ft after midnight. wave detail: se
8 ft at 10 seconds and ne 7 ft at 6 seconds, becoming se 13 ft at
12 seconds and ne 8 ft at 7 seconds. rain. vsby 1 to 3 nm after
midnight. 
.mon...ne winds 25 to 30 kt with gusts up to 45 kt. seas 12 to
16 ft. wave detail: e 15 ft at 12 seconds and ne 8 ft at
7 seconds. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. gusts up to 40 kt. seas 12 to 16 ft, subsiding to
11 to 14 ft after midnight. wave detail: e 14 ft at 12 seconds
and ne 8 ft at 7 seconds, becoming e 13 ft at 11 seconds and ne
6 ft at 7 seconds. rain. vsby 1 to 3 nm. 
.tue...ne winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
13 ft. rain. vsby 1 to 3 nm. 
.tue night...n winds 15 to 20 kt with gusts up to 30 kt. seas
8 to 11 ft. rain likely. 
.wed...n winds 10 to 15 kt with gusts up to 20 kt. seas 6 to
9 ft. a chance of showers. 
.wed night...n winds 15 to 20 kt with gusts up to 30 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 110804
cwfbox
expires:202510112100;;937198

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz254-112100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...s winds 5 to 10 kt, becoming se this afternoon. seas
around 2 ft. wave detail: s 1 foot at 3 seconds and n 1 foot at
5 seconds. 
.tonight...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: e
3 ft at 4 seconds and se 2 ft at 9 seconds. 
.sun...e winds 20 to 25 kt with gusts up to 30 kt, becoming ne
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft, building to 6 to 9 ft in the afternoon. wave detail: e 5 ft
at 6 seconds and se 3 ft at 9 seconds, becoming se 8 ft at
9 seconds and e 6 ft at 6 seconds. a chance of rain in the
afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 25 to 35 kt with gusts up to 45 kt. seas
8 to 11 ft, building to 10 to 14 ft after midnight. s and e of
nantucket, seas 12 to 16 ft. wave detail: se 11 ft at 13 seconds
and ne 7 ft at 7 seconds, becoming se 14 ft at 12 seconds and ne
7 ft at 7 seconds. rain. vsby 1 to 3 nm. 
.mon...e winds 25 to 30 kt with gusts up to 40 kt. seas 12 to
16 ft. wave detail: e 16 ft at 12 seconds and ne 3 ft at
6 seconds. rain. vsby 1 to 3 nm. 
.mon night...e winds 25 to 30 kt with gusts up to 35 kt. seas
12 to 16 ft. wave detail: e 15 ft at 11 seconds and ne 3 ft at
5 seconds. rain. vsby 1 to 3 nm. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 9 to 13 ft. rain. vsby 1 to 3 nm. 
.wed...n winds 15 to 20 kt with gusts up to 25 kt. seas 7 to
10 ft. a chance of showers. 
.wed night...n winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. showers likely.  

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 110804
cwfbox
expires:202510112100;;937199

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt sat oct 11 2025

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


anz255-112100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt sat oct 11 2025

...storm watch in effect from sunday afternoon through monday
evening...

.today...se winds 5 to 10 kt, becoming e 10 to 15 kt this
afternoon. seas 2 to 3 ft. wave detail: e 2 ft at 5 seconds and
se 1 foot at 9 seconds. 
.tonight...e winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 4 ft, building to
4 to 6 ft after midnight. wave detail: se 3 ft at 5 seconds and
se 2 ft at 9 seconds, becoming e 5 ft at 6 seconds and se 3 ft at
9 seconds. 
.sun...ne winds 25 to 30 kt. gusts up to 45 kt in the afternoon.
seas 5 to 8 ft, building to 8 to 11 ft in the afternoon. wave
detail: e 7 ft at 6 seconds and se 5 ft at 9 seconds, becoming se
9 ft at 13 seconds and e 8 ft at 7 seconds. a chance of rain in
the morning, then rain in the afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 30 to 40 kt with gusts up to 45 kt. seas
9 to 13 ft, building to 11 to 15 ft after midnight. wave detail:
se 11 ft at 13 seconds and e 10 ft at 7 seconds, becoming e 15 ft
at 12 seconds and ne 10 ft at 8 seconds. rain. vsby 1 to 3 nm. 
.mon...e winds 30 to 40 kt with gusts up to 45 kt. seas 12 to
16 ft. wave detail: e 15 ft at 12 seconds and ne 4 ft at
6 seconds. rain. vsby 1 to 3 nm. 
.mon night...e winds 30 to 35 kt, becoming ne 25 to 30 kt after
midnight. seas 11 to 15 ft, subsiding to 9 to 13 ft after
midnight. wave detail: e 14 ft at 11 seconds and ne 4 ft at
6 seconds, becoming e 13 ft at 11 seconds and ne 4 ft at
6 seconds. rain. vsby 1 to 3 nm. 
.tue...ne winds 25 to 30 kt with gusts up to 35 kt. seas 8 to
11 ft. rain. vsby 1 to 3 nm. 
.tue night...n winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. rain likely. 
.wed...n winds 20 to 25 kt. seas 6 to 9 ft. a chance of showers. 
.wed night...n winds 20 to 25 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.

$$