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MA- Cape Cod

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fzus51 kbox 180206
cwfbox
expires:202506181500;;926683

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz231-181500-
cape cod bay-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 4 seconds. patchy fog. a slight chance of showers,
then a chance of showers. vsby 1 nm or less. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 6 seconds and s 1 foot at 2 seconds. patchy fog. a chance of
showers in the morning with vsby 1 nm or less. 
.wed night...s winds around 10 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and sw 1 foot at 2 seconds. patchy fog. a
chance of showers. vsby 1 to 3 nm after midnight. 
.thu...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
2 ft at 3 seconds and se 2 ft at 7 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.thu night and fri...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 2 ft at 4 seconds and e 2 ft at
8 seconds. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: w 2 ft at 4 seconds and s
2 ft at 7 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 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 180206
cwfbox
expires:202506181500;;926687

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz232-181500-
nantucket sound-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 6 seconds. patchy fog. a slight chance of showers.
vsby 1 to 3 nm, decreasing to 1 nm or less. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 7 seconds and sw 1 foot at 4 seconds. patchy fog. a chance of
showers in the morning with vsby 1 nm or less. 
.wed night...s winds around 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 3 seconds and e 1 foot at 7 seconds. patchy fog. a
chance of showers. vsby 1 to 3 nm. 
.thu...sw 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: sw
3 ft at 4 seconds and e 1 foot at 7 seconds. patchy fog in the
morning. a chance of showers in the morning with vsby 1 to 3 nm. 
.thu night through fri night...w winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and e
1 foot at 8 seconds. 
.sat through sun night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e
1 foot at 8 seconds.  

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 180206
cwfbox
expires:202506181500;;926688

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz233-181500-
vineyard sound-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 5 seconds. patchy fog. a slight chance of showers.
vsby 1 nm or less. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: se 2 ft
at 7 seconds and s 1 foot at 4 seconds. patchy fog. a chance of
showers in the morning with vsby 1 nm or less. 
.wed night...s winds around 10 kt. seas around 2 ft. wave detail:
s 2 ft at 4 seconds and se 1 foot at 7 seconds. patchy fog. a
chance of showers and tstms. vsby 1 to 3 nm. 
.thu...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas around 2 ft, building to 3 to
4 ft in the afternoon. wave detail: sw 2 ft at 4 seconds and se
1 foot at 7 seconds, becoming sw 3 ft at 4 seconds and se 1 foot
at 7 seconds. patchy fog in the morning. a chance of showers in
the morning with vsby 1 to 3 nm. 
.thu night through fri night...sw winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and e
1 foot at 8 seconds. 
.sat through sun night...sw winds 15 to 20 kt. seas 2 to 3 ft.
wave detail: sw 3 ft at 7 seconds and w 1 foot at 3 seconds.  

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 180206
cwfbox
expires:202506181500;;926689

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz234-181500-
buzzards bay-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas 1 foot or less. wave
detail: se 1 foot at 4 seconds. patchy fog. a slight chance of
showers. a chance of showers. vsby 1 nm or less. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: se 2 ft
at 7 seconds and s 1 foot at 3 seconds. patchy fog. a chance of
showers in the morning with vsby 1 nm or less. 
.wed night...s winds around 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and se 1 foot at 7 seconds. patchy fog. a
chance of showers and tstms. vsby 1 to 3 nm after midnight. 
.thu...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas around 2 ft, building to 3 to
4 ft in the afternoon. wave detail: sw 2 ft at 3 seconds and se
1 foot at 7 seconds, becoming sw 3 ft at 4 seconds and se 1 foot
at 7 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night and fri...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
8 seconds. 
.fri night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: w 2 ft at 4 seconds and
sw 2 ft at 7 seconds. 
.sat through sun night...sw winds 15 to 20 kt with gusts up to
25 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 180206
cwfbox
expires:202506181500;;926690

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz235-181500-
rhode island sound-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds. patchy fog. a slight chance of showers. vsby
1 nm or less. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds. patchy fog. a chance of showers in the morning with
vsby 1 nm or less. 
.wed night...s winds around 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds. patchy fog. a chance of showers and tstms.
vsby 1 to 3 nm. 
.thu...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 6 seconds and w 1 foot at 4 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.thu night through fri night...sw winds 20 to 25 kt. seas 2 to
4 ft. wave detail: s 4 ft at 7 seconds and w 2 ft at 4 seconds. 
.sat through sun night...sw winds 15 to 20 kt. seas 2 to 3 ft.
wave detail: s 3 ft at 7 seconds and w 1 foot at 3 seconds.  

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 180206
cwfbox
expires:202506181500;;926693

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz236-181500-
narragansett bay-
1006 pm edt tue jun 17 2025

.overnight...se winds around 5 kt. waves around 2 ft. patchy fog.
a slight chance of showers. a chance of showers. vsby 1 nm or
less. 
.wed...s winds 5 to 10 kt. waves around 2 ft. patchy fog. a
chance of showers in the morning with vsby 1 nm or less. 
.wed night...s winds 5 to 10 kt. waves around 2 ft. patchy fog. a
chance of showers. a chance of tstms after midnight. vsby 1 to
3 nm in the evening. 
.thu...sw winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night through fri night...sw winds 10 to 15 kt with gusts up
to 25 kt. waves 2 to 3 ft. 
.sat through sun 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 180206
cwfbox
expires:202506181500;;926681

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz250-181500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 pm edt tue jun 17 2025

.overnight...s winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 7 seconds. patchy fog. a chance of showers. vsby 1 nm
or less. 
.wed...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and s 1 foot at 3 seconds. patchy fog. a chance of
showers. vsby 1 nm or less in the morning. 
.wed night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and s
2 ft at 3 seconds. patchy fog. a chance of showers. vsby 1 to
3 nm. 
.thu...s 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: s 3 ft
at 4 seconds and e 3 ft at 8 seconds. patchy fog in the morning.
a chance of showers in the morning with vsby 1 to 3 nm. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: sw 4 ft at 5 seconds and e 2 ft at
8 seconds. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and e 2 ft at
8 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 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 180206
cwfbox
expires:202506181500;;926684

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz254-181500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds. patchy fog. a slight chance of showers. vsby
1 nm or less. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds. patchy fog. a chance of showers in the morning.
vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.wed night...s winds around 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and w 1 foot at 3 seconds. patchy fog. a chance
of showers. vsby 1 to 3 nm, decreasing to 1 nm or less after
midnight. 
.thu...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 6 seconds and w 1 foot at 3 seconds. patchy fog in the
morning. a chance of showers in the morning with vsby 1 nm or
less. 
.thu night and fri...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 5 seconds and e 2 ft at
8 seconds. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 4 ft. wave detail: s 4 ft at 8 seconds and w
2 ft at 4 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 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 180206
cwfbox
expires:202506181500;;926685

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm edt tue jun 17 2025

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


anz255-181500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1006 pm edt tue jun 17 2025

.overnight...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds. patchy fog. a slight chance of showers. vsby
1 nm or less. 
.wed...s winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds. patchy fog. vsby 1 nm or less, increasing to 1 to
3 nm in the afternoon. 
.wed night...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 6 seconds. patchy fog. a chance of showers. a chance of
tstms in the evening. vsby 1 nm or less. 
.thu...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 4 ft. wave detail: sw
4 ft at 4 seconds and se 2 ft at 7 seconds. patchy fog in the
morning. a chance of showers in the morning with vsby 1 nm or
less. 
.thu night and fri...w winds 20 to 25 kt. seas 4 to 6 ft. wave
detail: sw 6 ft at 5 seconds and e 2 ft at 8 seconds. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: sw 5 ft at 8 seconds and w
1 foot at 4 seconds. 
.sat through sun night...sw winds 15 to 20 kt with gusts up to
25 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.

$$
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