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fzus51 kbox 122304
cwfbox
expires:202510131200;;031277

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt sun oct 12 2025

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


anz235-131200-
rhode island sound-
704 pm edt sun oct 12 2025

...storm warning in effect through monday morning...

.tonight...ne winds 30 to 40 kt with gusts up to 50 kt. seas 8 to
11 ft, building to 9 to 13 ft after midnight. wave detail: se
11 ft at 12 seconds and e 9 ft at 9 seconds, becoming se 12 ft at
12 seconds and ne 7 ft at 6 seconds. rain. vsby 1 nm or less. 
.mon...ne winds 30 to 35 kt with gusts up to 50 kt, diminishing
to 25 to 30 kt with gusts up to 40 kt in the afternoon. seas 9 to
13 ft. wave detail: se 13 ft at 12 seconds and ne 7 ft at
6 seconds. rain. vsby 1 nm or less. 
.mon night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. 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 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: se 7 ft at 11 seconds and se 6 ft at
10 seconds. rain in the morning, then showers likely in the
afternoon. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 5 to 7 ft. wave
detail: n 5 ft at 5 seconds and se 5 ft at 10 seconds. showers
likely, mainly in the evening. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: se 4 ft at 10 seconds and
n 3 ft at 4 seconds. 
.wed night...n winds 20 to 25 kt. seas 4 to 6 ft. 
.thu and thu night...n winds 20 to 25 kt, increasing to 25 to
30 kt. seas 3 to 5 ft. 
.fri and fri night...n winds 20 to 25 kt, becoming nw around
15 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 122304
cwfbox
expires:202510131200;;031280

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt sun oct 12 2025

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


anz236-131200-
narragansett bay-
704 pm edt sun oct 12 2025

...gale warning in effect through monday afternoon...

.tonight...ne winds 25 to 30 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 25 to 30 kt with gusts up to 40 kt. waves around
3 ft, except 5 to 7 ft at the bay entrance. rain. vsby 1 nm or
less. 
.mon night...ne winds 20 to 25 kt with gusts up to 30 kt. waves
around 3 ft, except 5 to 7 ft at the bay entrance. rain. vsby
1 to 3 nm. 
.tue...n winds 15 to 20 kt with gusts up to 30 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. rain in the morning,
then showers likely in the afternoon. vsby 1 to 3 nm. 
.tue night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to around 10 kt after midnight. waves 2 to 3 ft. a
chance of showers. 
.wed and wed night...n winds 15 to 20 kt. waves 2 to 3 ft. 
.thu through fri night...nw 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 122304
cwfbox
expires:202510131200;;031278

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt sun oct 12 2025

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


anz237-131200-
block island sound-
704 pm edt sun oct 12 2025

...storm warning in effect through monday morning...

.tonight...ne winds 30 to 40 kt with gusts up to 50 kt. seas 9 to
12 ft, building to 10 to 14 ft after midnight. wave detail: se
12 ft at 12 seconds and e 9 ft at 9 seconds, becoming se 13 ft at
12 seconds and e 7 ft at 9 seconds. rain. vsby 1 nm or less,
increasing to 1 to 3 nm after midnight. 
.mon...ne winds 30 to 35 kt with gusts up to 50 kt, diminishing
to 25 to 30 kt with gusts up to 40 kt in the afternoon. seas
10 to 14 ft. wave detail: e 14 ft at 11 seconds and ne 6 ft at
6 seconds. rain. vsby 1 nm or less. 
.mon night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
9 to 12 ft. wave detail: se 12 ft at 12 seconds and ne 4 ft at
6 seconds. rain. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft, subsiding to 5 to 8 ft in the afternoon. wave detail: se
8 ft at 11 seconds and ne 4 ft at 5 seconds, becoming e 7 ft at
11 seconds and se 5 ft at 10 seconds. rain in the morning, then
showers likely in the afternoon. vsby 1 to 3 nm in the morning. 
.tue night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail:
se 6 ft at 10 seconds and n 4 ft at 5 seconds. showers likely,
mainly in the evening. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and n 3 ft at 4 seconds. 
.wed night...n winds 20 to 25 kt. seas 4 to 6 ft. 
.thu and thu night...n winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. 
.fri and fri night...n winds 20 to 25 kt, becoming nw 10 to
15 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 122304
cwfbox
expires:202510131200;;031272

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt sun oct 12 2025

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


anz255-131200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 pm edt sun oct 12 2025

...storm warning in effect through monday morning...

.tonight...ne winds 35 to 40 kt with gusts up to 50 kt. seas
12 to 16 ft. wave detail: se 15 ft at 12 seconds and e 10 ft at
9 seconds. rain. vsby 1 nm or less. 
.mon...e winds 30 to 40 kt. gusts up to 50 kt in the morning.
seas 12 to 16 ft. wave detail: e 15 ft at 12 seconds and e 9 ft
at 9 seconds. rain. vsby 1 nm or less. 
.mon night...e winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. seas 10 to 14 ft. wave detail: e 13 ft at 11 seconds
and ne 4 ft at 6 seconds. rain with a chance of tstms. vsby 1 nm
or less. 
.tue...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 8 to 11 ft, subsiding to 7 to 9 ft in the
afternoon. wave detail: s 9 ft at 10 seconds and e 9 ft at
11 seconds, becoming e 9 ft at 10 seconds and n 5 ft at
5 seconds. rain in the morning, then showers in the afternoon.
vsby 1 to 3 nm. 
.tue night...n winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 6 to 9 ft. wave detail: e 8 ft at 10 seconds
and n 6 ft at 6 seconds. showers, mainly in the evening. 
.wed...n winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: e 6 ft at 10 seconds and n 4 ft at 5 seconds.
a chance of showers in the afternoon. 
.wed night...n winds 25 to 30 kt. seas 6 to 9 ft. a chance of
showers. 
.thu and thu night...n winds 25 to 30 kt, increasing to 30 to
35 kt. seas 6 to 9 ft. a chance of showers. 
.fri...n winds 25 to 35 kt. seas 5 to 8 ft. 
.fri night...nw winds 20 to 25 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.

$$
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