fzus51 kbox 031703
cwfbox
expires:202608040600;;561428

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz230-040600-
boston harbor-
103 pm edt mon aug 3 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.this afternoon...s winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. patchy fog. showers likely with a chance of
tstms. vsby 1 to 3 nm. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt, becoming
w 10 to 15 kt after midnight. waves around 2 ft. patchy fog in
the evening. a chance of showers and tstms in the evening with
vsby 1 to 3 nm. 
.tue...sw winds 5 to 10 kt. waves 1 foot or less. 
.tue night...sw winds 5 to 10 kt. waves 1 foot or less. 
.wed...s winds 5 to 10 kt. waves 1 foot or less. 
.wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu through fri night...sw winds 5 to 10 kt. waves around 2 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 031703
cwfbox
expires:202608040600;;561419

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz231-040600-
cape cod bay-
103 pm edt mon aug 3 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.this afternoon...s winds around 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: s 3 ft at 4 seconds and e 1 foot at
9 seconds. patchy fog. a chance of showers with a slight chance
of tstms. vsby 1 to 3 nm. 
.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft, subsiding to 2 to
3 ft after midnight. wave detail: sw 3 ft at 4 seconds and se
2 ft at 9 seconds, becoming w 2 ft at 3 seconds and se 1 foot at
8 seconds. patchy fog in the evening. a chance of showers in the
evening with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: w
1 foot at 3 seconds and se 1 foot at 9 seconds. 
.tue night...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and se 1 foot at 9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: sw 1 foot at 2 seconds and e 1 foot at 10 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se
2 ft at 9 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 031703
cwfbox
expires:202608040600;;561423

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz232-040600-
nantucket sound-
103 pm edt mon aug 3 2026

...small craft advisory in effect through late tonight...

.this afternoon...s winds around 25 kt with gusts up to 35 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 5 seconds and se 1 foot
at 8 seconds. patchy fog. a chance of showers with a slight
chance of tstms. vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt with gusts up to 35 kt, becoming
w 15 to 20 kt after midnight. seas 3 to 5 ft. wave detail: sw
4 ft at 5 seconds and se 2 ft at 9 seconds. a chance of showers.
patchy fog in the evening with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 8 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 5 seconds and se 1 foot at 7 seconds. 
.thu through fri 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.  

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 031703
cwfbox
expires:202608040600;;561424

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz233-040600-
vineyard sound-
103 pm edt mon aug 3 2026

...small craft advisory in effect through late tonight...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: sw 6 ft at 8 seconds and e 4 ft at
9 seconds. patchy fog. showers likely with a slight chance of
tstms. vsby 1 nm or less. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 4 to
6 ft. wave detail: sw 6 ft at 8 seconds and e 3 ft at 9 seconds.
patchy fog in the evening. a chance of showers in the evening
with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: sw 4 ft at 8 seconds and e 1 foot at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and e 1 foot at 8 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 7 seconds and se 1 foot at 7 seconds. 
.thu 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 se
1 foot at 7 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 031703
cwfbox
expires:202608040600;;561425

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz234-040600-
buzzards bay-
103 pm edt mon aug 3 2026

...small craft advisory in effect through late tonight...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: sw 5 ft at 6 seconds and se 4 ft at
9 seconds. patchy fog. showers likely with a slight chance of
tstms. vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
w 10 to 15 kt with gusts up to 20 kt after midnight. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and se 3 ft at 9 seconds.
patchy fog in the evening. a chance of showers in the evening
with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 7 seconds and se 2 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and se 2 ft at 8 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 7 seconds. 
.thu through fri night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 ft. wave detail: s 3 ft at 5 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 031703
cwfbox
expires:202608040600;;561426

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz235-040600-
rhode island sound-
103 pm edt mon aug 3 2026

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

.this afternoon...s winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. wave detail: e 8 ft at 9 seconds and s 8 ft at
9 seconds. patchy fog. showers likely with a slight chance of
tstms. vsby 1 nm or less. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 5 to
8 ft, subsiding to 4 to 6 ft after midnight. wave detail: e 8 ft
at 9 seconds and sw 8 ft at 9 seconds, becoming sw 6 ft at
8 seconds and e 1 foot at 8 seconds. patchy fog in the evening. a
chance of showers and tstms in the evening with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and e 3 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 7 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds. 
.thu through fri night...sw winds 15 to 20 kt. seas 2 to 4 ft.
wave detail: se 4 ft at 7 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 031703
cwfbox
expires:202608040600;;561429

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz236-040600-
narragansett bay-
103 pm edt mon aug 3 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.this afternoon...s winds 20 to 25 kt with gusts up to 30 kt.
waves 3 to 5 ft. patchy fog. showers with a slight chance of
tstms. vsby 1 to 3 nm. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. waves 2 to 4 ft. patchy fog in the
evening. a chance of showers and tstms in the evening with vsby
1 to 3 nm. 
.tue...w winds around 5 kt, becoming sw in the afternoon. waves
2 to 3 ft. 
.tue night...sw winds 5 to 10 kt, diminishing to around 5 kt
after midnight. waves around 2 ft. 
.wed and wed night...sw winds 5 to 10 kt. waves around 2 ft. 
.thu through fri 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 031703
cwfbox
expires:202608040600;;561427

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz237-040600-
block island sound-
103 pm edt mon aug 3 2026

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

.this afternoon...sw winds around 20 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: sw 7 ft at 9 seconds and e 5 ft at
9 seconds. patchy fog. showers likely with a chance of tstms.
vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt, becoming nw 5 to 10 kt after
midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail: sw 7 ft
at 9 seconds and e 5 ft at 9 seconds. patchy fog in the evening.
a chance of showers and tstms in the evening with vsby 1 to 3 nm.
.tue...nw winds around 5 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and e 1 foot at
8 seconds. 
.tue night...sw winds 5 to 10 kt, diminishing to around 5 kt
after midnight. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds
and e 1 foot at 8 seconds. 
.wed...e winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds. a chance of showers
in the morning. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and e 1 foot at 8 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up 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 031703
cwfbox
expires:202608040600;;561417

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz250-040600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt mon aug 3 2026

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

.this afternoon...s 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
9 seconds. patchy fog. showers likely with a slight chance of
tstms. vsby 1 to 3 nm. 
.tonight...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 7 seconds. patchy fog in the evening. a chance of showers in
the evening with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt with gusts up to 20 kt, becoming sw in
the afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds
and w 2 ft at 4 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 3 seconds and se 2 ft at 7 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 6 seconds and se 2 ft at 10 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 6 seconds and e
1 foot at 9 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 031703
cwfbox
expires:202608040600;;561420

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz254-040600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 pm edt mon aug 3 2026

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

.this afternoon...s winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: s 7 ft at 8 seconds and e 5 ft at
8 seconds. patchy fog. a chance of showers with a slight chance
of tstms. vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt with gusts up to 30 kt, becoming
w 15 to 20 kt after midnight. seas 5 to 7 ft. wave detail: s 7 ft
at 8 seconds and e 3 ft at 8 seconds. a chance of showers. patchy
fog in the evening with vsby 1 to 3 nm. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: w 5 ft at 8 seconds and se 3 ft at
9 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 7 seconds and e 1 foot at 11 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and e 1 foot at 10 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 6 seconds and e
1 foot at 9 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 031703
cwfbox
expires:202608040600;;561421

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon aug 3 2026

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


anz255-040600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt mon aug 3 2026

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

.this afternoon...s winds around 25 kt with gusts up to 35 kt.
seas 6 to 9 ft. wave detail: s 9 ft at 8 seconds and ne 1 foot at
9 seconds. patchy fog. a chance of showers with a slight chance
of tstms. vsby 1 to 3 nm. 
.tonight...sw winds 20 to 25 kt with gusts up to 35 kt, becoming
w 15 to 20 kt after midnight. seas 6 to 9 ft, subsiding to 5 to
7 ft after midnight. wave detail: s 9 ft at 9 seconds and e
1 foot at 9 seconds, becoming sw 7 ft at 8 seconds and e 1 foot
at 8 seconds. showers likely, mainly in the evening. patchy fog
in the evening with vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: s 6 ft at 8 seconds and e 1 foot at
9 seconds. 
.tue night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds and e 1 foot at 9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 7 seconds and e 1 foot at 8 seconds. 
.thu through fri night...sw winds 15 to 20 kt. seas 3 to 4 ft.
wave detail: s 4 ft at 7 seconds and e 1 foot at 9 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 kgyx 031818
cwfgyx
expires:202608040830;;564592

coastal waters forecast
national weather service gray me
218 pm edt mon aug 3 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-040830-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
218 pm edt mon aug 3 2026

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

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 6 ft at 6 seconds. a chance of tstms.
showers. patchy fog. vsby 1 to 3 nm. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: s 6 ft at 8 seconds. showers likely in the
evening. patchy fog in the evening with vsby 1 to 3 nm. 
.tue...w winds 10 to 15 kt with gusts up to 20 kt, becoming sw 5 to
10 kt in the afternoon. seas 3 to 5 ft, subsiding to 2 to 3 ft in
the afternoon. wave detail: s 5 ft at 8 seconds, becoming s 3 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds. 
.wed...sw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 7 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. 
.thu night...sw winds 5 to 10 kt. seas around 2 ft.
.fri...sw winds 5 to 10 kt. seas around 2 ft. 
.fri night...sw winds 5 to 10 kt. seas around 2 ft.  

winds and seas higher in and near tstms.

$$