fzus51 kbox 050204
cwfbox
expires:202608051500;;635584

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz231-051500-
cape cod bay-
1004 pm edt tue aug 4 2026

.overnight...sw winds around 5 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and s 1 foot at 7 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 3 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 se 1 foot at 7 seconds, becoming 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 6 seconds, becoming sw 1 foot at 2 seconds and s 1 foot
at 7 seconds. 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 20 kt. seas around 2 ft. wave detail: se 2 ft at 9 seconds and
sw 1 foot at 3 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 1 foot at 2 seconds and s
1 foot at 6 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 050204
cwfbox
expires:202608051500;;635588

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz232-051500-
nantucket sound-
1004 pm edt tue aug 4 2026

.overnight...s winds around 5 kt. seas around 2 ft. wave detail:
sw 1 foot at 4 seconds and s 1 foot at 7 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 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 s
1 foot at 6 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 se
2 ft at 7 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 050204
cwfbox
expires:202608051500;;635589

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz233-051500-
vineyard sound-
1004 pm edt tue aug 4 2026

.overnight...s winds around 5 kt, becoming e around 5 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 4 seconds and sw 2 ft at
7 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and s 2 ft at
7 seconds. 
.wed night...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and sw 2 ft at 7 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 through fri night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and sw
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. wave detail: sw 3 ft at 5 seconds and se
1 foot at 9 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 050204
cwfbox
expires:202608051500;;635590

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz234-051500-
buzzards bay-
1004 pm edt tue aug 4 2026

.overnight...s winds around 5 kt, becoming se. seas around 2 ft.
wave detail: sw 1 foot at 4 seconds and s 1 foot at 7 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 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 s 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 through fri night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and sw
2 ft at 4 seconds. 
.sat through sun night...w winds 10 to 15 kt with gusts up to
25 kt. seas 2 to 4 ft. wave detail: sw 2 ft at 5 seconds and se
1 foot at 9 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 050204
cwfbox
expires:202608051500;;635591

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz235-051500-
rhode island sound-
1004 pm edt tue aug 4 2026

.overnight...s winds around 5 kt, becoming e. seas 2 to 3 ft.
wave detail: sw 3 ft at 4 seconds and se 3 ft at 7 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 3 ft at 4 seconds and se 3 ft at
7 seconds. 
.wed night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 7 seconds and w 1 foot at 3 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 7 seconds and sw 2 ft at
3 seconds. 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 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and sw
2 ft at 3 seconds. 
.sat through sun night...w winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and sw
2 ft at 4 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 050204
cwfbox
expires:202608051500;;635594

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz236-051500-
narragansett bay-
1004 pm edt tue aug 4 2026

.overnight...s winds around 5 kt, becoming nw. 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 through fri night...sw winds 10 to 15 kt with gusts up
to 20 kt. waves around 2 ft. 
.sat through sun night...w 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 050204
cwfbox
expires:202608051500;;635582

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz250-051500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 pm edt tue aug 4 2026

.overnight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 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...s winds 5 to 10 kt. seas around 2 ft. wave detail: se 2 ft
at 7 seconds and sw 1 foot at 3 seconds. 
.thu night and fri...s winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 6 seconds and sw 1 foot
at 3 seconds. 
.fri night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 6 seconds and sw 1 foot at 3 seconds. 
.sat through sun night...sw winds 5 to 10 kt. seas 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 050204
cwfbox
expires:202608051500;;635585

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz254-051500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1004 pm edt tue aug 4 2026

.overnight...s winds around 5 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and sw 1 foot at 4 seconds. a slight chance of
showers. 
.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 through fri 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. 
.sat through sun 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.  

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 050204
cwfbox
expires:202608051500;;635586

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue aug 4 2026

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


anz255-051500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 pm edt tue aug 4 2026

.overnight...se winds around 5 kt. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds and s 2 ft at 4 seconds. a slight chance of
showers. 
.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 nw 1 foot at
4 seconds. 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 20 kt. seas 3 to 4 ft. wave detail: sw 3 ft at 5 seconds and e
1 foot at 9 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: w 3 ft at 5 seconds and e
1 foot at 9 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.

$$