fzus51 kbox 041704
cwfbox
expires:202608050600;;614960

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz231-050600-
cape cod bay-
104 pm edt tue aug 4 2026

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.tonight...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. seas around 2 ft in the evening, then 1 foot or less.
wave detail: s 2 ft at 7 seconds and sw 1 foot at 2 seconds,
becoming sw 1 foot at 2 seconds and s 1 foot at 8 seconds. 
.wed...se winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
sw 1 foot at 2 seconds and s 1 foot at 7 seconds, becoming sw
1 foot at 2 seconds and se 1 foot at 7 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: sw 1 foot at 2 seconds
and s 1 foot at 7 seconds. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: sw 1 foot at 2 seconds and s
1 foot at 7 seconds, becoming sw 1 foot at 3 seconds and s 1 foot
at 7 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and s 1 foot at 8 seconds. 
.fri through sat 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 041704
cwfbox
expires:202608050600;;614964

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz232-050600-
nantucket sound-
104 pm edt tue aug 4 2026

.this afternoon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 1 foot at 4 seconds and s 1 foot at 8 seconds. 
.tonight...s winds 5 to 10 kt, becoming se after midnight. seas
2 to 3 ft. wave detail: sw 1 foot at 4 seconds and s 1 foot at
8 seconds. 
.wed...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and s 1 foot at 7 seconds. 
.wed night...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and s 1 foot at 7 seconds. 
.thu...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot
at 7 seconds. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and e 1 foot at
9 seconds. 
.fri through sat night...sw winds 15 to 20 kt with gusts up to
25 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 041704
cwfbox
expires:202608050600;;614965

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz233-050600-
vineyard sound-
104 pm edt tue aug 4 2026

.this afternoon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 8 seconds and sw 2 ft at 4 seconds. 
.tonight...s winds 5 to 10 kt, becoming e after midnight. seas
2 to 3 ft. wave detail: sw 3 ft at 7 seconds and s 2 ft at
4 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 7 seconds and sw 1 foot at
4 seconds. 
.wed night...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 7 seconds and sw 1 foot at 3 seconds. patchy
fog after midnight with vsby 1 to 3 nm. 
.thu...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and e 1 foot at
5 seconds. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and se
1 foot at 9 seconds. 
.fri through sat 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 041704
cwfbox
expires:202608050600;;614966

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz234-050600-
buzzards bay-
104 pm edt tue aug 4 2026

.this afternoon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 8 seconds and se 2 ft at 8 seconds. 
.tonight...s winds 5 to 10 kt, becoming se after midnight. seas
around 2 ft. wave detail: s 2 ft at 8 seconds and sw 1 foot at
4 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 8 seconds and sw 1 foot at
4 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and e 1 foot at 7 seconds. patchy fog
after midnight. 
.thu...sw 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: s 2 ft
at 5 seconds. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and se
1 foot at 9 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
25 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 041704
cwfbox
expires:202608050600;;614967

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz235-050600-
rhode island sound-
104 pm edt tue aug 4 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.this afternoon...s winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 8 seconds and w 2 ft at 4 seconds. 
.tonight...s winds 5 to 10 kt, becoming e after midnight. seas
2 to 4 ft. wave detail: s 4 ft at 7 seconds and sw 3 ft at
4 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds and sw 2 ft at
4 seconds. 
.wed night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 7 seconds and sw 1 foot at 4 seconds. patchy fog after
midnight. 
.thu...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and w 1 foot at
3 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and w
2 ft at 3 seconds. 
.fri through sat 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 041704
cwfbox
expires:202608050600;;614970

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz236-050600-
narragansett bay-
104 pm edt tue aug 4 2026

.this afternoon...s winds 5 to 10 kt. waves 2 to 3 ft. 
.tonight...s winds 5 to 10 kt, becoming nw after midnight. waves
around 2 ft. 
.wed...nw winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. 
.wed night...sw winds 5 to 10 kt. waves around 2 ft. patchy fog
after midnight. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. patchy fog in
the morning. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. waves around 2 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 041704
cwfbox
expires:202608050600;;614958

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz250-050600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt tue aug 4 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.this afternoon...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and w 1 foot at 3 seconds. 
.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 8 seconds and sw 1 foot at 3 seconds. 
.wed...s winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: se 2 ft at 7 seconds
and sw 1 foot at 3 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and s 1 foot at 3 seconds. 
.thu and thu night...sw winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.fri through sat night...sw winds 5 to 10 kt. seas around 2 ft.
wave detail: se 2 ft at 7 seconds and sw 1 foot at 3 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 041704
cwfbox
expires:202608050600;;614961

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz254-050600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt tue aug 4 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.this afternoon...sw winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 8 seconds and w 1 foot at 4 seconds. 
.tonight...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and w
1 foot at 4 seconds. 
.wed...se winds around 5 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: s 3 ft at 7 seconds and sw 1 foot at
4 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.wed night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
s 3 ft at 7 seconds and sw 1 foot at 3 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.thu...sw 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: s 3 ft
at 6 seconds and w 1 foot at 3 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
9 seconds. 
.fri through sat 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 041704
cwfbox
expires:202608050600;;614962

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt tue aug 4 2026

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


anz255-050600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt tue aug 4 2026

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

.this afternoon...s winds around 5 kt. seas 3 to 5 ft. wave
detail: s 5 ft at 8 seconds and nw 2 ft at 4 seconds. 
.tonight...se winds around 5 kt. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds and s 1 foot at 4 seconds. 
.wed...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 7 seconds and sw 2 ft at 4 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.wed night...sw 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 after
midnight with vsby 1 to 3 nm. 
.thu...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and w 1 foot at
3 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: sw 4 ft at 5 seconds and e
1 foot at 9 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 3 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.

$$