fzus51 kbox 132004
cwfbox
expires:202510140900;;079943

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz231-140900-
cape cod bay-
403 pm edt mon oct 13 2025

...gale warning in effect until 2 am edt tuesday...

.tonight...ne winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft, subsiding to 5 to 7 ft after midnight. wave detail: e 9 ft
at 11 seconds and ne 6 ft at 6 seconds, becoming e 7 ft at
11 seconds and ne 6 ft at 6 seconds. rain with a chance of tstms.
patchy fog after midnight. vsby 1 to 3 nm, decreasing to 1 nm or
less after midnight. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 6 ft at 11 seconds and n 5 ft at 5 seconds.
patchy fog. rain in the morning, then showers likely in the
afternoon. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.tue night...ne winds 15 to 20 kt with gusts up to 25 kt,
becoming n around 10 kt after midnight. seas 3 to 5 ft. wave
detail: n 5 ft at 6 seconds and e 5 ft at 10 seconds. a chance of
showers in the evening. 
.wed...n winds 10 to 15 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt in the afternoon. seas 2 to
3 ft. wave detail: n 3 ft at 5 seconds and e 3 ft at 10 seconds.
a chance of showers in the afternoon. 
.wed night...n 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 4 ft at
10 seconds. a chance of showers. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt, increasing to
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds and se 3 ft at 10 seconds.
a chance of showers. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. a chance of showers. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. a chance of showers. 
.fri night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. 
.sat and sat night...nw winds 5 to 10 kt, becoming sw. seas 2 to
3 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079947

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz232-140900-
nantucket sound-
403 pm edt mon oct 13 2025

...gale warning in effect until 4 am edt tuesday...

.tonight...ne winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. wave detail: e 6 ft at 5 seconds and e 5 ft at 11 seconds.
rain with a chance of tstms. vsby 1 to 3 nm, decreasing to 1 nm
or less after midnight. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: ne 5 ft at 5 seconds and e 4 ft at 11 seconds.
patchy fog. showers. vsby 1 nm or less. 
.tue night...ne winds 20 to 25 kt with gusts up to 30 kt,
becoming n 15 to 20 kt after midnight. seas 4 to 6 ft. wave
detail: n 4 ft at 5 seconds and e 4 ft at 10 seconds. a chance of
showers in the evening with vsby 1 to 3 nm. 
.wed...n winds 10 to 15 kt, increasing to 20 to 25 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 3 ft at 4 seconds and e
3 ft at 10 seconds. a chance of showers in the afternoon. 
.wed night and thu...n winds 25 to 30 kt. seas 3 to 5 ft. wave
detail: n 4 ft at 5 seconds and e 2 ft at 10 seconds. a chance of
showers. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: n 5 ft at 5 seconds and e 1 foot at
10 seconds. a chance of showers. 
.fri...n winds 25 to 30 kt. seas 4 to 6 ft. a chance of showers. 
.fri night through sat night...sw winds 15 to 20 kt. seas 2 to
4 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079948

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz233-140900-
vineyard sound-
403 pm edt mon oct 13 2025

...gale warning in effect until 2 am edt tuesday...

.tonight...ne winds 20 to 25 kt. gusts up to 40 kt, decreasing to
30 kt after midnight. seas 5 to 8 ft. wave detail: ne 4 ft at
5 seconds and se 4 ft at 11 seconds. rain with a slight chance of
tstms. patchy fog this evening. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: n 4 ft at 5 seconds and se 3 ft at 10 seconds.
patchy fog. rain likely in the morning, then showers likely in
the afternoon. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.tue night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 3 to 5 ft. wave
detail: n 3 ft at 5 seconds and se 2 ft at 10 seconds. a chance
of showers 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 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and se 2 ft at 10 seconds. 
.wed night through thu night...n winds 20 to 25 kt with gusts up
to 30 kt. seas 3 to 4 ft. wave detail: n 2 ft at 4 seconds and se
2 ft at 10 seconds. a chance of showers. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and e 1 foot at 9 seconds.
a chance of showers. 
.fri night through sat night...sw winds 5 to 10 kt. seas around
2 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079949

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz234-140900-
buzzards bay-
403 pm edt mon oct 13 2025

...gale warning in effect until 2 am edt tuesday...

.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: se 5 ft at 11 seconds and ne 4 ft at
5 seconds. rain with a slight chance of tstms. patchy fog after
midnight. vsby 1 nm or less. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 3 ft at 5 seconds and se 3 ft at 10 seconds.
patchy fog. rain likely in the morning, then showers likely in
the afternoon. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.tue night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 2 to 4 ft. wave
detail: n 3 ft at 5 seconds and se 3 ft at 9 seconds. a chance of
showers 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 2 to 3 ft. wave detail: se
3 ft at 10 seconds and n 2 ft at 4 seconds. 
.wed night through thu night...n winds 20 to 25 kt with gusts up
to 30 kt. seas around 3 ft. wave detail: n 3 ft at 4 seconds and
se 2 ft at 10 seconds. a chance of showers. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and e 1 foot at 9 seconds.
a chance of showers. 
.fri night through sat night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas around 2 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079950

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz235-140900-
rhode island sound-
403 pm edt mon oct 13 2025

...gale warning in effect until 2 am edt tuesday...

.tonight...ne winds 25 to 30 kt. gusts up to 40 kt this evening.
seas 8 to 11 ft. wave detail: se 11 ft at 12 seconds and ne 6 ft
at 6 seconds. rain with a slight chance of tstms. patchy fog
after midnight. vsby 1 nm or less. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: se 8 ft at 11 seconds and n 5 ft at 5 seconds.
rain likely in the morning, then a chance of showers in the
afternoon. patchy fog in the morning. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.tue night...n winds 20 to 25 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. 
.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
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. wave detail: n
4 ft at 4 seconds and se 4 ft at 10 seconds. a chance of showers
after midnight. 
.thu...n winds 20 to 25 kt. seas 3 to 5 ft. wave detail: n 4 ft
at 5 seconds and se 3 ft at 10 seconds. 
.thu night...n winds 20 to 25 kt. seas 3 to 5 ft. a chance of
showers in the evening. 
.fri...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.fri night through sat night...sw winds 10 to 15 kt. seas around
2 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079953

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz236-140900-
narragansett bay-
403 pm edt mon oct 13 2025

...small craft advisory in effect through tuesday evening...

.tonight...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 with
isolated tstms. patchy fog this evening. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt, becoming n 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft, except 4 to 6 ft
at the bay entrance. rain likely in the morning, then a chance of
showers in the afternoon. patchy fog in the morning. 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. 
.wed...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 2 to 3 ft. 
.wed night through thu night...n winds 15 to 20 kt with gusts up
to 25 kt. waves 2 to 3 ft. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 2 to 3 ft.  

winds and waves 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079941

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz250-140900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt mon oct 13 2025

...gale warning in effect until 4 am edt tuesday...

.tonight...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 10 to
14 ft after midnight. wave detail: e 15 ft at 12 seconds and ne
7 ft at 8 seconds, becoming e 14 ft at 11 seconds and ne 5 ft at
7 seconds. rain with a slight chance of tstms. vsby 1 to 3 nm,
decreasing to 1 nm or less after midnight. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 9 to
12 ft. wave detail: e 12 ft at 11 seconds and ne 5 ft at
7 seconds. rain likely in the morning, then a chance of showers
in the afternoon. patchy fog in the morning. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.tue night...n winds 10 to 15 kt. gusts up to 25 kt in the
evening. seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.
wave detail: e 9 ft at 10 seconds and ne 3 ft at 6 seconds,
becoming e 7 ft at 10 seconds and ne 2 ft at 5 seconds. 
.wed...n winds 10 to 15 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt in the afternoon. seas 5 to
6 ft. wave detail: se 6 ft at 10 seconds and n 4 ft at 4 seconds.
.wed night...n winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: n 6 ft at 6 seconds and se 5 ft at
10 seconds. a chance of showers. 
.thu and thu night...n winds 25 to 30 kt with gusts up to 40 kt.
seas 6 to 9 ft. wave detail: n 8 ft at 7 seconds and se 4 ft at
10 seconds. a chance of showers. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. a chance of showers. 
.fri night and sat...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 6 ft. 
.sat night...sw winds 5 to 10 kt. seas 3 to 5 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079944

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz254-140900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt mon oct 13 2025

...gale warning in effect until 4 am edt tuesday...

.tonight...e winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. gusts up to 40 kt. seas 12 to 16 ft, subsiding to 10 to
14 ft after midnight. wave detail: e 16 ft at 11 seconds and ne
3 ft at 5 seconds, becoming e 14 ft at 11 seconds and ne 2 ft at
5 seconds. rain with a chance of tstms. patchy fog after
midnight. vsby 1 to 3 nm, decreasing to 1 nm or less after
midnight. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 9 to
13 ft, subsiding to 8 to 11 ft in the afternoon. wave detail: e
13 ft at 11 seconds and ne 2 ft at 5 seconds, becoming e 11 ft at
10 seconds and ne 2 ft at 5 seconds. rain likely in the morning,
then showers likely in the afternoon. patchy fog in the morning.
vsby 1 nm or less. 
.tue night...ne winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 7 to 10 ft, subsiding to 6 to
8 ft after midnight. wave detail: e 10 ft at 10 seconds and ne
2 ft at 5 seconds, becoming e 8 ft at 10 seconds and ne 1 foot at
4 seconds. a chance of showers in the evening with vsby 1 to
3 nm. 
.wed...n winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and n 3 ft at 4 seconds. a chance of showers in the
afternoon. 
.wed night...n winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: n 6 ft at 6 seconds and se 6 ft at
10 seconds. a chance of showers in the evening, then showers
likely after midnight. 
.thu...n winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 6 to 9 ft. wave detail: n 7 ft at 7 seconds and
se 4 ft at 10 seconds. showers likely. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. showers likely. 
.fri...n winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. a chance of showers. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. 
.sat and sat night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 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.

$$

fzus51 kbox 132004
cwfbox
expires:202510140900;;079945

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt mon oct 13 2025

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


anz255-140900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt mon oct 13 2025

...gale warning in effect until 4 am edt tuesday...

.tonight...e winds 25 to 30 kt with gusts up to 40 kt. seas 10 to
14 ft, subsiding to 9 to 12 ft after midnight. wave detail: e
13 ft at 11 seconds and ne 4 ft at 6 seconds, becoming e 12 ft at
11 seconds and ne 4 ft at 6 seconds. rain with a slight chance of
tstms. vsby 1 to 3 nm, decreasing to 1 nm or less after midnight.
.tue...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 8 to 11 ft. wave detail: e 10 ft at 11 seconds
and ne 4 ft at 6 seconds. rain likely in the morning, then
showers likely in the afternoon. patchy fog in the morning. vsby
1 nm or less. 
.tue night...ne winds 20 to 25 kt, becoming n 15 to 20 kt after
midnight. gusts up to 30 kt. seas 6 to 9 ft. wave detail: e 9 ft
at 10 seconds and n 4 ft at 5 seconds. a chance of showers in the
evening with vsby 1 to 3 nm. 
.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 4 seconds.
a chance of showers in the afternoon. 
.wed night and thu...n winds 25 to 30 kt with gusts up to 35 kt.
seas 5 to 8 ft. wave detail: n 6 ft at 6 seconds and se 5 ft at
10 seconds. a chance of showers. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. wave detail: n 6 ft at 6 seconds and se 2 ft at
9 seconds. a chance of showers.
.fri...n winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. a chance of showers. 
.fri night and sat...n winds 15 to 20 kt, becoming nw 10 to
15 kt. gusts up to 25 kt. seas 4 to 6 ft.
.sat night...w winds 5 to 10 kt. seas 3 to 5 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.

$$