fzus51 kbox 291405
cwfbox
expires:202607300300;;279167

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz231-300300-
cape cod bay-
1005 am edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...se winds 15 to 20 kt with gusts up to 30 kt.
seas around 3 ft. wave detail: se 2 ft at 4 seconds and e 1 foot
at 8 seconds. a chance of showers, then showers likely with a
chance of tstms. patchy fog with vsby 1 to 3 nm. 
.tonight...e winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and s 3 ft at
7 seconds. patchy fog. showers likely with a chance of tstms in
the evening, then a chance of showers after midnight. vsby 1 to
3 nm. 
.thu...ne winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and e 2 ft at
10 seconds. a chance of showers. patchy fog in the morning with
vsby 1 to 3 nm. 
.thu night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: n 2 ft at 3 seconds and n 2 ft at
4 seconds. a chance of showers. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft
at 5 seconds and se 1 foot at 9 seconds. 
.fri night...n winds around 5 kt, becoming w around 5 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 5 seconds and
s 2 ft at 9 seconds. 
.sat through sun...s winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. 
.sun night...s winds 5 to 10 kt. seas around 2 ft. a chance of
showers.  

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 291405
cwfbox
expires:202607300300;;279171

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz232-300300-
nantucket sound-
1005 am edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...se winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: se 3 ft at 5 seconds and s 2 ft at
8 seconds. a chance of showers with a slight chance of tstms,
then showers likely with a chance of tstms. patchy fog with vsby
1 to 3 nm. 
.tonight...se winds 15 to 20 kt with gusts up to 30 kt, becoming
e 10 to 15 kt with gusts up to 20 kt after midnight. seas 2 to
4 ft. wave detail: s 3 ft at 7 seconds and se 2 ft at 11 seconds.
patchy fog. showers likely with a chance of tstms in the evening.
a chance of showers after midnight. vsby 1 to 3 nm. 
.thu...e winds around 10 kt, becoming ne in the afternoon. seas
2 to 3 ft. wave detail: e 2 ft at 5 seconds and s 2 ft at
8 seconds. patchy fog in the morning. a chance of showers in the
afternoon. vsby 1 to 3 nm in the morning. 
.thu night...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: n
2 ft at 4 seconds and s 1 foot at 8 seconds. a chance of showers.
.fri...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 4 seconds and ne 2 ft at 5 seconds. 
.fri night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w
1 foot at 4 seconds and ne 1 foot at 5 seconds. 
.sat through sun...s winds 10 to 15 kt. seas around 2 ft. 
.sun night...s winds around 10 kt. seas around 2 ft. a chance of
showers.  

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 291405
cwfbox
expires:202607300300;;279172

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz233-300300-
vineyard sound-
1005 am edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...se winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: se 4 ft at 5 seconds and e 2 ft at
10 seconds. patchy fog. showers. a slight chance of tstms, then a
chance of tstms with vsby 1 to 3 nm. 
.tonight...se winds 15 to 20 kt with gusts up to 25 kt, becoming
e 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: se 3 ft
at 4 seconds and sw 3 ft at 7 seconds. patchy fog. showers likely
with a chance of tstms in the evening, then a chance of showers
after midnight. vsby 1 to 3 nm. 
.thu...ne winds 5 to 10 kt, becoming n 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 8 seconds and sw 2 ft at 4 seconds. patchy fog in the morning.
a chance of showers in the afternoon. vsby 1 to 3 nm in the
morning. 
.thu night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and sw
2 ft at 8 seconds. a chance of showers. 
.fri...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and
sw 2 ft at 9 seconds. 
.fri night...w winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 9 seconds and sw 2 ft at 9 seconds. 
.sat through sun...s winds 10 to 15 kt. seas around 2 ft. 
.sun night...s winds around 10 kt. seas around 2 ft. a chance of
showers.  

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 291405
cwfbox
expires:202607300300;;279173

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz234-300300-
buzzards bay-
1005 am edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

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

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 291405
cwfbox
expires:202607300300;;279174

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz235-300300-
rhode island sound-
1005 am edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

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

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 291405
cwfbox
expires:202607300300;;279177

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz236-300300-
narragansett bay-
1005 am edt wed jul 29 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...se winds 15 to 20 kt with gusts up to 30 kt.
waves 3 to 4 ft. patchy fog. showers. a slight chance of tstms,
then a chance of tstms. vsby 1 to 3 nm, decreasing to 1 nm or
less. 
.tonight...e winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. patchy
fog. showers likely with a chance of tstms in the evening, then a
chance of showers after midnight. vsby 1 nm or less, increasing
to 1 to 3 nm after midnight. 
.thu...ne winds 5 to 10 kt, becoming n 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. patchy fog. a chance
of showers. 
.thu night...n winds around 10 kt. waves 2 to 3 ft. showers
likely, mainly in the evening. patchy fog in the evening.
.fri...n winds 5 to 10 kt. waves around 2 ft. 
.fri night...w winds around 5 kt. waves around 2 ft. 
.sat through sun...s winds 10 to 15 kt. waves around 2 ft. 
.sun night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers.  

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 291405
cwfbox
expires:202607300300;;279165

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz250-300300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt wed jul 29 2026

...small craft advisory in effect through thursday morning...

.this afternoon...se winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: se 4 ft at 5 seconds and se 1 foot
at 8 seconds. a slight chance of showers, then a chance of
showers with a slight chance of tstms. patchy fog with vsby 1 to
3 nm. 
.tonight...e winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: se 4 ft at 6 seconds and s 1 foot at
4 seconds. patchy fog. showers likely. a chance of tstms in the
evening. vsby 1 to 3 nm. 
.thu...ne winds 10 to 15 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: e 4 ft at 7 seconds and se 3 ft at 11 seconds.
patchy fog. showers in the morning. a chance of showers in the
afternoon. vsby 1 to 3 nm. 
.thu night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. wave detail: ne 4 ft at 6 seconds and se 3 ft at
9 seconds. showers likely, mainly in the evening. patchy fog in
the evening. 
.fri...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas 3 to 5 ft. wave detail: ne 3 ft
at 6 seconds and s 3 ft at 9 seconds. 
.fri night...se winds around 5 kt, becoming w around 5 kt after
midnight. seas 2 to 4 ft. wave detail: se 3 ft at 9 seconds and
ne 2 ft at 5 seconds. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers.  

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 291405
cwfbox
expires:202607300300;;279168

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz254-300300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am edt wed jul 29 2026

...small craft advisory in effect through thursday morning...

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

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 291405
cwfbox
expires:202607300300;;279169

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt wed jul 29 2026

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


anz255-300300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt wed jul 29 2026

...small craft advisory in effect through thursday morning...

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

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.

$$