fzus51 kbox 312005
cwfbox
expires:202608010900;;405847

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz231-010900-
cape cod bay-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 4 seconds and n 1 foot at 5 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.sat...sw winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 2 seconds and ne
1 foot at 4 seconds. patchy fog in the morning with vsby 1 nm or
less. 
.sat 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 e 1 foot at 4 seconds. patchy fog after midnight with vsby
1 to 3 nm. 
.sun...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: s 1 foot at 2 seconds and se
1 foot at 8 seconds. 
.sun night...s winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: s 1 foot at 2 seconds and s
1 foot at 7 seconds, becoming s 1 foot at 2 seconds and se 1 foot
at 6 seconds. a chance of showers after midnight. 
.mon...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: s 2 ft at 3 seconds and e 2 ft at 9 seconds.
showers likely, mainly in the morning. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. a
chance of showers and tstms. 
.tue...sw winds 5 to 10 kt. seas 1 foot or less. a chance of
showers and tstms. 
.tue night through wed night...sw winds 5 to 10 kt. seas around
2 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 312005
cwfbox
expires:202608010900;;405851

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz232-010900-
nantucket sound-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 4 seconds and e 1 foot at 6 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 3 seconds
and ne 1 foot at 6 seconds. patchy fog in the morning with vsby
1 nm or less. 
.sat night...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and ne 1 foot at 5 seconds. patchy
fog. vsby 1 nm or less. 
.sun...s winds around 10 kt. seas around 2 ft. wave detail: s
1 foot at 3 seconds and se 1 foot at 8 seconds. 
.sun night...s winds around 10 kt. seas around 2 ft. wave detail:
s 1 foot at 3 seconds and se 1 foot at 8 seconds. a chance of
showers after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 4 ft at 8 seconds and s 3 ft at 4 seconds.
showers likely. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. a chance of showers. a chance of tstms after midnight.
.tue...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers and tstms. 
.tue night and wed...sw winds 5 to 10 kt, increasing to 10 to
15 kt. seas 2 to 3 ft. a chance of showers. 
.wed night...sw winds 10 to 15 kt. seas around 2 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 312005
cwfbox
expires:202608010900;;405852

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz233-010900-
vineyard sound-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 8 seconds and sw 1 foot at 3 seconds. isolated showers
this evening. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 8 seconds
and sw 1 foot at 4 seconds. 
.sat night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and sw 2 ft at 8 seconds. patchy fog. vsby
1 nm or less. 
.sun...s winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 5 seconds and sw 1 foot at 8 seconds. patchy fog in the
morning. 
.sun night...s winds around 10 kt. seas around 2 ft. wave detail:
s 2 ft at 6 seconds and e 1 foot at 10 seconds. a chance of
showers after midnight. 
.mon...s 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
4 ft at 8 seconds and se 4 ft at 8 seconds. showers likely. 
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. a chance of
showers and tstms. 
.tue...sw winds around 10 kt. seas 2 to 4 ft. a chance of showers
and tstms. 
.tue night and wed...sw winds 5 to 10 kt, becoming s 10 to 15 kt.
seas 2 to 3 ft. a chance of showers. 
.wed night...sw winds 10 to 15 kt. seas around 2 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 312005
cwfbox
expires:202608010900;;405853

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz234-010900-
buzzards bay-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds and sw 1 foot at 3 seconds. isolated showers
this evening. patchy fog after midnight with vsby 1 nm or less. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 4 seconds
and s 2 ft at 11 seconds. 
.sat night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. wave detail: sw 2 ft at
4 seconds and s 1 foot at 8 seconds. patchy fog. vsby 1 nm or
less. 
.sun...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: sw 1 foot at 4 seconds and s
1 foot at 8 seconds. patchy fog in the morning. 
.sun night...s winds around 10 kt. seas around 2 ft. wave detail:
s 1 foot at 4 seconds and s 1 foot at 7 seconds. a chance of
showers after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: se 4 ft at 9 seconds and sw 3 ft at 4 seconds.
showers likely. 
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. a chance of
showers and tstms. 
.tue through wed...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. a chance of showers. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 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 312005
cwfbox
expires:202608010900;;405854

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz235-010900-
rhode island sound-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and sw 2 ft at 3 seconds. scattered showers
with isolated tstms this evening. 
.sat...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and
sw 2 ft at 5 seconds. patchy fog in the afternoon with vsby 1 to
3 nm. 
.sat night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and sw 2 ft at 4 seconds. patchy fog. vsby 1 nm
or less. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
8 seconds and sw 2 ft at 5 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.sun night...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and se 2 ft at 11 seconds. a chance of showers
after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: s 5 ft at 8 seconds and se 5 ft at 9 seconds.
showers likely. 
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 4 to 5 ft. a chance of
showers and tstms. 
.tue...s winds 10 to 15 kt. seas 3 to 5 ft. a chance of showers. 
.tue night and wed...s winds 10 to 15 kt. seas 2 to 4 ft. a
chance of showers. 
.wed night...sw winds 10 to 15 kt. seas 2 to 3 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 312005
cwfbox
expires:202608010900;;405857

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz236-010900-
narragansett bay-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. waves around 2 ft. scattered
showers with isolated tstms this evening. patchy fog after
midnight with vsby 1 nm or less. 
.sat...sw winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. patchy fog in the morning with vsby 1 nm or less. 
.sat night...s winds 5 to 10 kt. waves around 2 ft. patchy fog.
vsby 1 to 3 nm. 
.sun...s 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 with vsby 1 to 3 nm. 
.sun night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers after midnight. 
.mon...s winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. showers likely. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. a
chance of showers and tstms. 
.tue through wed...s winds 5 to 10 kt. waves 2 to 3 ft. a chance
of showers. 
.wed 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 312005
cwfbox
expires:202608010900;;405845

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz250-010900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 6 seconds and se 2 ft at 9 seconds. 
.sat...w winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 8 seconds and sw 1 foot at
2 seconds. patchy fog in the afternoon with vsby 1 nm or less. 
.sat night...s winds around 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 3 seconds and se 2 ft at 9 seconds. 
.sun...s 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: se
3 ft at 11 seconds and se 2 ft at 5 seconds. 
.sun night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 2 ft at 5 seconds and e
1 foot at 10 seconds. a chance of showers after midnight. 
.mon...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: s 2 ft at 3 seconds and se 2 ft at 9 seconds.
showers likely, mainly in the morning. 
.mon night...sw winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. a chance of showers and tstms. 
.tue...ne winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.tue night through wed night...s winds 5 to 10 kt. seas around
2 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 312005
cwfbox
expires:202608010900;;405848

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz254-010900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
3 ft at 9 seconds and se 3 ft at 9 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.sat...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 8 seconds and se 3 ft at 9 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.sat night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
s 3 ft at 8 seconds and sw 2 ft at 4 seconds. patchy fog. vsby
1 nm or less. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and se 2 ft at 10 seconds. 
.sun night...s winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 8 seconds and sw 1 foot at 3 seconds. a chance of
showers after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: s 5 ft at 8 seconds and sw 3 ft at 4 seconds.
a chance of showers. 
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. a chance of
showers. a chance of tstms after midnight. 
.tue...sw winds 10 to 15 kt. seas 3 to 5 ft. a chance of showers
and tstms. 
.tue night...sw winds 5 to 10 kt. seas 2 to 4 ft. a chance of
showers. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.wed night...sw winds around 10 kt. seas 2 to 3 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 312005
cwfbox
expires:202608010900;;405849

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt fri jul 31 2026

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


anz255-010900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt fri jul 31 2026

.tonight...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
3 ft at 8 seconds and sw 2 ft at 4 seconds. patchy fog after
midnight with vsby 1 nm or less. 
.sat...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 3 ft
at 8 seconds and sw 2 ft at 4 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm in the afternoon. 
.sat night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 8 seconds and sw 2 ft at 4 seconds. patchy fog. vsby 1 nm
or less. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and sw 2 ft at 4 seconds. patchy fog in the morning.
.sun night...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and sw 2 ft at 4 seconds. a chance of showers
after midnight. 
.mon...s winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: s 6 ft at 8 seconds and sw 3 ft at 3 seconds.
showers likely. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. a chance of showers in the evening, then showers
likely with a chance of tstms after midnight. 
.tue...sw winds 10 to 15 kt. seas 4 to 6 ft. showers likely with
a chance of tstms. 
.tue night...sw winds around 10 kt. seas 3 to 4 ft. a chance of
showers. 
.wed...sw winds around 10 kt. seas 2 to 3 ft. a chance of
showers. 
.wed night...sw winds 10 to 15 kt. seas 2 to 3 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.

$$