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MA- Cape Cod

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fzus51 kbox 241706
cwfbox
expires:202604250600;;449496

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz231-250600-
cape cod bay-
106 pm edt fri apr 24 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 5 seconds and se 1 foot at 7 seconds. 
.tonight...ne winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: n 1 foot at 4 seconds and n
1 foot at 5 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: n 1 foot at 3 seconds and n 1 foot
at 4 seconds, becoming ne 1 foot at 3 seconds and n 1 foot at
3 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: n 1 foot at 4 seconds and se
1 foot at 6 seconds. 
.sun and sun night...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 10 seconds and n 1 foot at 4 seconds. 
.mon through tue...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 2 ft at 3 seconds and e 2 ft at
3 seconds. 
.tue night...e winds around 10 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 241706
cwfbox
expires:202604250600;;449500

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz232-250600-
nantucket sound-
106 pm edt fri apr 24 2026

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: nw 1 foot at 2 seconds and ne
1 foot at 3 seconds. 
.tonight...e winds 5 to 10 kt, becoming ne after midnight. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and nw 1 foot
at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 2 seconds and nw 1 foot at 5 seconds. 
.sat night...e winds around 5 kt. seas around 2 ft. wave detail:
e 2 ft at 9 seconds and e 1 foot at 3 seconds. 
.sun and sun night...ne winds 10 to 15 kt. seas around 2 ft. wave
detail: e 2 ft at 11 seconds and e 1 foot at 4 seconds. a chance
of showers. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 2 ft at 3 seconds and se 2 ft at 6 seconds.
a chance of showers.
.mon night and tue...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.tue night...ne winds 10 to 15 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 241706
cwfbox
expires:202604250600;;449501

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz233-250600-
vineyard sound-
106 pm edt fri apr 24 2026

.this afternoon...e winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 2 seconds and se 1 foot at 7 seconds. 
.tonight...e winds 5 to 10 kt. seas 1 foot or less. wave detail:
e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: ne
1 foot at 2 seconds and sw 1 foot at 6 seconds. 
.sat night...e winds 5 to 10 kt, diminishing to around 5 kt after
midnight. seas 1 foot or less, then around 2 ft after midnight.
wave detail: e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sun...e winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 3 seconds and s 1 foot at 7 seconds. a chance of
showers. 
.sun night...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
e 2 ft at 12 seconds and ne 1 foot at 3 seconds. a chance of
showers. patchy fog after midnight with vsby 1 nm or less. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. patchy dense fog. vsby 1 nm or less. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. widespread dense fog. vsby 1 nm or less. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. widespread dense fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt. seas 2 to 3 ft. widespread
dense fog. vsby 1 nm or less.  

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 241706
cwfbox
expires:202604250600;;449502

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz234-250600-
buzzards bay-
106 pm edt fri apr 24 2026

.this afternoon...ne winds 15 to 20 kt. seas 1 foot or less. wave
detail: ne 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.tonight...e winds 5 to 10 kt. seas 1 foot or less. wave detail:
e 1 foot at 2 seconds and nw 1 foot at 5 seconds. 
.sat...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: ne
1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sat night...e winds around 5 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and nw 1 foot at 4 seconds. 
.sun...e winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: ne 1 foot at 3 seconds and s
1 foot at 6 seconds, becoming ne 1 foot at 3 seconds and s 1 foot
at 7 seconds. a chance of showers in the afternoon. 
.sun night...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
e 2 ft at 12 seconds and ne 1 foot at 3 seconds. a chance of
showers. patchy fog after midnight with vsby 1 nm or less. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.mon night...ne winds 10 to 15 kt. seas around 2 ft. widespread
dense fog. vsby 1 nm or less. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. widespread dense fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt. seas around 2 ft. widespread
dense fog. vsby 1 nm or less.  

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 241706
cwfbox
expires:202604250600;;449503

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz235-250600-
rhode island sound-
106 pm edt fri apr 24 2026

.this afternoon...se winds 10 to 15 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and ne 1 foot at 2 seconds. 
.tonight...se winds 10 to 15 kt, becoming e 5 to 10 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 7 seconds and
ne 1 foot at 2 seconds. 
.sat...ne winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: e 1 foot at 3 seconds and w 1 foot at
4 seconds. 
.sat night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and w 1 foot at 4 seconds. a chance of
showers after midnight. 
.sun...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds and
s 2 ft at 7 seconds. a chance of showers. 
.sun night...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and se 2 ft at 5 seconds. patchy dense fog. a
chance of showers. vsby 1 nm or less. 
.mon and mon night...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. widespread dense fog. vsby 1 nm or less. 
.tue...ne winds around 15 kt with gusts up to 20 kt. seas 2 to
3 ft. widespread dense fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt. seas 2 to 4 ft. widespread
dense fog. vsby 1 nm or less.  

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 241706
cwfbox
expires:202604250600;;449506

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz236-250600-
narragansett bay-
106 pm edt fri apr 24 2026

.this afternoon...se winds 10 to 15 kt. waves around 2 ft. 
.tonight...se winds 10 to 15 kt, becoming e around 5 kt after
midnight. waves 1 foot or less. 
.sat...ne winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. 
.sat night...se winds 5 to 10 kt, becoming e after midnight.
waves 1 foot or less. 
.sun...e winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.sun night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. patchy fog after midnight with vsby 1 nm
or less. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. patchy dense fog. vsby 1 nm or less. 
.mon night and tue...ne winds 10 to 15 kt. waves around 2 ft.
widespread dense fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt. waves 2 to 3 ft. widespread
dense fog. vsby 1 nm or less.  

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 241706
cwfbox
expires:202604250600;;449494

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz250-250600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
106 pm edt fri apr 24 2026

.this afternoon...e winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 5 seconds and nw 1 foot at 3 seconds. 
.tonight...ne winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas around 2 ft. wave detail: e 2 ft at 6 seconds and
nw 1 foot at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw 3 ft
at 4 seconds and ne 2 ft at 4 seconds. 
.sat night...s winds around 5 kt, becoming w around 5 kt after
midnight. seas 2 to 3 ft. wave detail: e 3 ft at 9 seconds and e
3 ft at 13 seconds. 
.sun and sun night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 2 seconds and e 2 ft at 10 seconds. 
.mon through tue...ne winds 10 to 15 kt. seas around 2 ft. wave
detail: ne 2 ft at 3 seconds and nw 2 ft at 3 seconds. 
.tue night...e winds around 10 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 241706
cwfbox
expires:202604250600;;449497

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz254-250600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
106 pm edt fri apr 24 2026

.this afternoon...n winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 6 seconds and se 2 ft at 7 seconds. 
.tonight...ne winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas around 2 ft. wave detail: ne 2 ft at 5 seconds and
se 2 ft at 7 seconds. 
.sat...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 7 seconds and e 2 ft at 15 seconds. 
.sat night...ne winds around 5 kt. seas 2 to 3 ft. wave detail: e
3 ft at 14 seconds and n 2 ft at 4 seconds. 
.sun...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 13 seconds and n 1 foot at 4 seconds. 
.sun night...e winds 5 to 10 kt, becoming ne 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: e 2 ft at 12 seconds and
ne 1 foot at 4 seconds. a chance of showers after midnight. 
.mon through tue...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.tue night...e 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 241706
cwfbox
expires:202604250600;;449498

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri apr 24 2026

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


anz255-250600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
106 pm edt fri apr 24 2026

.this afternoon...ne winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 7 seconds and n 1 foot
at 3 seconds. 
.tonight...ne winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 6 seconds and n 1 foot at 3 seconds. 
.sat...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 6 seconds and se 2 ft at 15 seconds. 
.sat night...e winds around 5 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 10 seconds and e 3 ft at 15 seconds. 
.sun...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 3 ft at 12 seconds and
ne 2 ft at 3 seconds. a chance of showers. 
.sun night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: e 3 ft at 13 seconds and
ne 2 ft at 4 seconds. patchy fog. a chance of showers. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.mon...ne winds 15 to 20 kt. seas 2 to 3 ft. patchy fog. a chance
of showers. vsby 1 nm or less. 
.mon night and tue...ne winds around 15 kt with gusts up to
20 kt. seas 2 to 3 ft. patchy dense fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
5 to 7 ft. patchy dense fog. vsby 1 nm or less.  

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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