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MA- Cape Cod

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fzus51 kbox 192105
cwfbox
expires:202602201000;;920932

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz231-201000-
cape cod bay-
405 pm est thu feb 19 2026

.tonight...se winds around 5 kt. seas around 2 ft. wave detail: n
2 ft at 5 seconds and s 1 foot at 9 seconds. 
.fri...se winds 5 to 10 kt, becoming e 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: ne
1 foot at 4 seconds and s 1 foot at 8 seconds. rain with a chance
of snow in the afternoon.
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: e 2 ft at 3 seconds and s 1 foot at
7 seconds. rain. a chance of snow in the evening, then snow
likely with a chance of freezing rain after midnight. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at 7 seconds.
a chance of light snow. 
.sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
3 ft at 5 seconds and s 1 foot at 7 seconds. a chance of snow in
the evening. 
.sun...ne winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds and s 1 foot at
8 seconds. 
.sun night...ne winds 20 to 25 kt, increasing to 30 to 40 kt
after midnight. seas 2 to 4 ft, building to 4 to 6 ft after
midnight. a chance of snow. 
.mon and mon night...n winds 35 to 45 kt. seas 6 to 9 ft. a
chance of snow. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft. 
.tue night...w winds around 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 192105
cwfbox
expires:202602201000;;920936

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz232-201000-
nantucket sound-
405 pm est thu feb 19 2026

.tonight...e winds around 5 kt, increasing to 5 to 10 kt after
midnight. seas around 2 ft. wave detail: ne 2 ft at 6 seconds and
e 2 ft at 11 seconds. 
.fri...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: e 2 ft
at 3 seconds and s 1 foot at 8 seconds. rain with a chance of
snow in the afternoon. 
.fri night...e winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 4 seconds and n 1 foot at 4 seconds. rain. a chance of snow
after midnight. 
.sat...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 6 seconds and n 1 foot at 3 seconds. a chance of light snow in
the morning. 
.sat night and sun...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 4 seconds and nw 1 foot at 4 seconds. 
.sun night...ne winds 25 to 30 kt, increasing to 30 to 40 kt
after midnight. seas 2 to 4 ft, building to 4 to 6 ft after
midnight. wave detail: e 4 ft at 4 seconds and s 1 foot at
7 seconds, becoming e 6 ft at 6 seconds and s 1 foot at
9 seconds. a chance of snow. 
.mon...ne winds 35 to 45 kt with gusts up to 50 kt. seas 6 to
9 ft. a chance of snow. 
.mon night...n winds 30 to 40 kt. seas 5 to 8 ft. a chance of
snow. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. 
.tue night...w winds around 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 192105
cwfbox
expires:202602201000;;920937

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz233-201000-
vineyard sound-
405 pm est thu feb 19 2026

.tonight...e winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 8 seconds and ne 1 foot at 6 seconds. 
.fri...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: e 2 ft
at 3 seconds and s 2 ft at 8 seconds. rain with a chance of snow
in the afternoon. 
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n after midnight. seas 2 to 3 ft. wave detail: ne 2 ft
at 3 seconds and s 2 ft at 7 seconds. rain in the evening, then a
chance of rain and snow after midnight. 
.sat...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 7 seconds and n 1 foot at 4 seconds. 
.sat night and sun...ne winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 4 seconds and sw 2 ft at 8 seconds. 
.sun night...ne winds 25 to 30 kt, increasing to 30 to 40 kt
after midnight. seas 4 to 6 ft. wave detail: ne 5 ft at 5 seconds
and s 1 foot at 7 seconds. a chance of snow. 
.mon and mon night...n winds 30 to 40 kt with gusts up to 45 kt,
becoming nw 25 to 30 kt with gusts up to 35 kt. seas 5 to 7 ft. a
chance of snow. 
.tue and tue night...w winds 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 192105
cwfbox
expires:202602201000;;920938

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz234-201000-
buzzards bay-
405 pm est thu feb 19 2026

.tonight...e winds around 5 kt. seas around 2 ft. wave detail: sw
2 ft at 8 seconds and ne 1 foot at 5 seconds. 
.fri...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: e
1 foot at 3 seconds and s 1 foot at 7 seconds. rain with a chance
of snow in the afternoon. 
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n after midnight. seas around 2 ft. wave detail: ne 2 ft
at 4 seconds and s 2 ft at 7 seconds. rain in the evening, then a
chance of rain and snow after midnight. 
.sat...n winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 7 seconds and n 1 foot at 4 seconds. a chance of light snow in
the afternoon. 
.sat night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
n 1 foot at 4 seconds and sw 1 foot at 7 seconds. a chance of
snow in the evening. 
.sun...ne winds 5 to 10 kt, increasing to 15 to 20 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 3 seconds
and sw 1 foot at 7 seconds. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt,
increasing to 30 to 40 kt after midnight. seas 2 to 4 ft,
building to 4 to 6 ft after midnight. a chance of snow.
.mon...n winds 30 to 40 kt with gusts up to 45 kt. seas 4 to
6 ft. a chance of snow. 
.mon night...nw winds 25 to 30 kt. seas 3 to 5 ft. a chance of
snow. 
.tue and tue night...w winds 10 to 15 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 192105
cwfbox
expires:202602201000;;920939

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz235-201000-
rhode island sound-
405 pm est thu feb 19 2026

.tonight...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and ne 1 foot at 5 seconds. 
.fri...e winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: e 3 ft
at 5 seconds and s 3 ft at 8 seconds. a chance of rain in the
morning, then rain in the afternoon. 
.fri night...ne winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 7 seconds and n 1 foot at 4 seconds. rain, mainly in the
evening. 
.sat...n winds around 10 kt. seas 2 to 4 ft. wave detail: se 4 ft
at 7 seconds and n 2 ft at 4 seconds. a chance of light snow in
the afternoon. 
.sat night and sun...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: e 3 ft at 4 seconds and s 2 ft at
8 seconds. 
.sun night...ne winds 25 to 30 kt, increasing to 30 to 40 kt
after midnight. seas 3 to 5 ft, building to 5 to 7 ft after
midnight. wave detail: e 5 ft at 5 seconds and s 1 foot at
7 seconds, becoming e 7 ft at 7 seconds. a chance of snow. 
.mon and mon night...n winds 30 to 40 kt with gusts up to 45 kt,
becoming nw 25 to 30 kt. seas 6 to 9 ft. a chance of snow. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. 
.tue night...w winds 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 192105
cwfbox
expires:202602201000;;920942

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz236-201000-
narragansett bay-
405 pm est thu feb 19 2026

.tonight...e winds 5 to 10 kt. waves around 2 ft. 
.fri...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. a chance of snow
in the morning, then rain with snow likely in the afternoon. 
.fri night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming n 5 to 10 kt after midnight. waves 2 to 3 ft. rain in
the evening, then a chance of rain and snow after midnight. 
.sat...ne winds 5 to 10 kt. waves around 2 ft. a chance of light
snow in the afternoon. 
.sat night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
snow in the evening. 
.sun...ne winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.sun night...ne winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 35 kt after midnight.
waves 2 to 3 ft. a chance of snow. 
.mon and mon night...n winds 25 to 35 kt with gusts up to 40 kt,
becoming nw 15 to 20 kt with gusts up to 25 kt. waves 2 to 3 ft,
except 4 to 6 ft at the bay entrance. a chance of snow. 
.tue and tue night...nw winds 5 to 10 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 192105
cwfbox
expires:202602201000;;920930

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz250-201000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm est thu feb 19 2026

.tonight...se winds around 5 kt, becoming s after midnight. seas
2 to 3 ft. wave detail: ne 2 ft at 6 seconds and e 2 ft at
10 seconds. 
.fri...se winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: e 2 ft
at 3 seconds and se 1 foot at 9 seconds. snow with a chance of
rain in the afternoon.
.fri night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: e 5 ft at 7 seconds and e 1 foot at
10 seconds. snow. rain in the evening. 
.sat...ne winds 15 to 20 kt, becoming n 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: ne
6 ft at 6 seconds and s 1 foot at 7 seconds. light snow likely,
mainly in the morning. 
.sat night...ne winds 10 to 15 kt. seas 4 to 5 ft. wave detail:
ne 5 ft at 7 seconds and se 1 foot at 7 seconds. a chance of snow
in the evening. 
.sun...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas around 4 ft. wave detail: ne 4 ft at 8 seconds
and se 1 foot at 8 seconds. 
.sun night...ne winds 20 to 25 kt, increasing to 25 to 35 kt
after midnight. seas 4 to 6 ft, building to 6 to 9 ft after
midnight. a chance of snow. 
.mon...ne winds 30 to 40 kt with gusts up to 50 kt. seas 12 to
16 ft. a chance of snow. 
.mon night...n winds 25 to 35 kt with gusts up to 40 kt. seas
13 to 18 ft. a chance of snow. 
.tue...nw winds 15 to 20 kt. seas 9 to 12 ft. 
.tue night...w winds 10 to 15 kt with gusts up to 20 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 192105
cwfbox
expires:202602201000;;920933

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz254-201000-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm est thu feb 19 2026

...small craft advisory in effect until 7 pm est this evening...

.tonight...e winds 5 to 10 kt. seas 2 to 4 ft. wave detail: ne
3 ft at 6 seconds and s 3 ft at 9 seconds. 
.fri...e winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 2 to 4 ft. wave detail: e 3 ft at 4 seconds and s 2 ft at
8 seconds. rain in the afternoon. 
.fri night...e winds 15 to 20 kt, becoming ne after midnight.
gusts up to 25 kt. seas 4 to 6 ft. wave detail: se 6 ft at
7 seconds and e 1 foot at 10 seconds. rain in the evening, then
snow likely, a chance of rain and freezing rain after midnight. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. wave detail: e 5 ft at 7 seconds and s 2 ft at 7 seconds. a
chance of light snow in the morning. 
.sat night...ne winds around 10 kt. seas 4 to 6 ft. wave detail:
ne 5 ft at 7 seconds and s 2 ft at 8 seconds. 
.sun...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: ne 5 ft at 9 seconds and
s 1 foot at 8 seconds. 
.sun night...e winds 25 to 30 kt, becoming ne 30 to 40 kt with
gusts up to 45 kt after midnight. seas 5 to 7 ft, building to
7 to 10 ft after midnight. a chance of snow. a chance of rain
after midnight. 
.mon...ne winds 35 to 45 kt with gusts up to 50 kt. seas 12 to
17 ft. a chance of snow and rain. 
.mon night...n winds 30 to 40 kt with gusts up to 45 kt. seas
14 to 19 ft. a chance of snow. 
.tue...nw winds 15 to 20 kt. seas 9 to 13 ft. 
.tue night...w winds 10 to 15 kt. seas 5 to 7 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 192105
cwfbox
expires:202602201000;;920934

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm est thu feb 19 2026

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


anz255-201000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm est thu feb 19 2026

...small craft advisory in effect until 7 pm est this evening...

.tonight...e winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 8 seconds and ne 2 ft at 6 seconds. 
.fri...e winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: e 4 ft
at 4 seconds and s 3 ft at 8 seconds. rain in the afternoon. 
.fri night...e winds 15 to 20 kt, becoming n after midnight.
gusts up to 25 kt. seas 3 to 5 ft. wave detail: se 5 ft at
6 seconds and n 1 foot at 3 seconds. rain, mainly in the evening.
.sat...n winds 10 to 15 kt. seas 3 to 5 ft. wave detail: e 4 ft
at 6 seconds and s 3 ft at 7 seconds. 
.sat night and sun...ne winds 20 to 25 kt. seas 3 to 5 ft. wave
detail: ne 5 ft at 6 seconds and sw 2 ft at 8 seconds. 
.sun night...ne winds 25 to 35 kt with gusts up to 40 kt,
increasing to 35 to 45 kt with gusts up to 50 kt after midnight.
seas 4 to 6 ft, building to 7 to 10 ft after midnight. wave
detail: e 6 ft at 6 seconds and sw 1 foot at 7 seconds, becoming
ne 10 ft at 8 seconds and se 1 foot at 9 seconds. a chance of
snow. a chance of rain after midnight. 
.mon...ne winds 40 to 45 kt with gusts up to 55 kt. seas 11 to
15 ft, except 15 to 20 ft s and e of nantucket. a chance of snow
and rain. 
.mon night...n winds 35 to 45 kt. seas 11 to 15 ft, except 15 to
20 ft s and e of nantucket. a chance of snow. 
.tue...nw winds 15 to 20 kt. seas 7 to 10 ft. 
.tue night...w winds 10 to 15 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.

$$
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