fzus51 kbox 300505
cwfbox
expires:202607301800;;314252

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz231-301800-
cape cod bay-
104 am edt thu jul 30 2026

.rest of tonight...e winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 3 seconds and s 2 ft at 7 seconds. patchy fog.
a chance of showers. vsby 1 nm or less. 
.thu...ne winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 10 seconds and se 1 foot at 4 seconds. patchy fog. a
chance of showers. vsby 1 nm or less in the morning. 
.thu night...n winds around 10 kt. seas around 2 ft. wave detail:
n 2 ft at 4 seconds and n 2 ft at 7 seconds. patchy fog. a chance
of showers in the evening. 
.fri...n winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 5 seconds and sw 1 foot at 6 seconds. 
.fri night through sat night...sw winds 5 to 10 kt. seas around
2 ft. wave detail: sw 1 foot at 4 seconds and n 1 foot at
5 seconds. 
.sun...s winds 5 to 10 kt with gusts up to 20 kt. seas around
2 ft. wave detail: sw 1 foot at 2 seconds and e 1 foot at
5 seconds. 
.sun night and mon...s winds 5 to 10 kt. seas around 2 ft, then
1 foot or less. a chance of showers. 
.mon night...w winds around 5 kt. seas 1 foot or less.  

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 300505
cwfbox
expires:202607301800;;314256

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz232-301800-
nantucket sound-
104 am edt thu jul 30 2026

.rest of tonight...se winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 5 seconds and s 1 foot at 4 seconds. patchy
fog. a slight chance of showers. vsby 1 nm or less. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 2 ft at
5 seconds and s 2 ft at 8 seconds. a chance of showers. patchy
fog in the morning with vsby 1 nm or less. 
.thu night...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: nw
2 ft at 3 seconds and sw 1 foot at 4 seconds. patchy fog. vsby
1 to 3 nm. 
.fri...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: nw 2 ft at 3 seconds and
sw 1 foot at 5 seconds. 
.fri night through sat night...sw 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. 
.sun...s winds around 10 kt. seas around 2 ft. wave detail: s
2 ft at 3 seconds and e 1 foot at 5 seconds. 
.sun night and mon...sw winds around 10 kt. seas 2 to 3 ft. a
chance of showers. 
.mon night...w winds 5 to 10 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 300505
cwfbox
expires:202607301800;;314257

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz233-301800-
vineyard sound-
104 am edt thu jul 30 2026

.rest of tonight...se winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and sw 1 foot at 6 seconds. patchy
fog. a slight chance of showers. vsby 1 to 3 nm. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 8 seconds and sw 2 ft at 5 seconds. patchy fog. a chance of
showers. vsby 1 to 3 nm in the morning. 
.thu night...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 8 seconds and n 2 ft at 4 seconds. patchy fog. vsby 1 to
3 nm in the evening. 
.fri...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 3 seconds and sw 2 ft at 9 seconds. 
.fri night through 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.
.sun...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 5 seconds and sw 1 foot at 9 seconds. 
.sun night through mon night...w winds 5 to 10 kt. seas 2 to
4 ft. a chance of showers.  

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 300505
cwfbox
expires:202607301800;;314258

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz234-301800-
buzzards bay-
104 am edt thu jul 30 2026

.rest of tonight...se winds 5 to 10 kt. seas around 2 ft. wave
detail: se 1 foot at 4 seconds and sw 1 foot at 8 seconds. patchy
fog. a chance of showers. vsby 1 nm or less. 
.thu...ne winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 4 seconds and e 1 foot at 5 seconds. patchy fog. a
chance of showers. vsby 1 to 3 nm in the morning. 
.thu night...n winds 10 to 15 kt. seas around 2 ft. wave detail:
n 1 foot at 4 seconds and sw 1 foot at 6 seconds. patchy fog. 
.fri...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.fri night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 1 foot at 3 seconds and sw 1 foot at 4 seconds. 
.sat and sat night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and e 1 foot at 6 seconds. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night through mon night...w winds 5 to 10 kt. seas 2 to
3 ft. a chance of showers.  

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 300505
cwfbox
expires:202607301800;;314259

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz235-301800-
rhode island sound-
104 am edt thu jul 30 2026

.rest of tonight...se winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 8 seconds and e 2 ft at 5 seconds. patchy fog.
a chance of showers. vsby 1 to 3 nm.
.thu...e winds 5 to 10 kt, becoming ne in the afternoon. seas
3 to 4 ft. wave detail: s 4 ft at 8 seconds and e 2 ft at
5 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm in the
morning. 
.thu night...n winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s
4 ft at 8 seconds and n 2 ft at 5 seconds. patchy fog. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas 3 to
4 ft. wave detail: s 3 ft at 9 seconds and n 2 ft at 4 seconds. 
.fri night through 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. 
.sun...s winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 8 seconds and s 2 ft at 5 seconds. 
.sun night and mon...sw winds around 10 kt. seas 2 to 4 ft. a
chance of showers. 
.mon night...w winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers.  

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 300505
cwfbox
expires:202607301800;;314262

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz236-301800-
narragansett bay-
104 am edt thu jul 30 2026

.rest of tonight...ne winds around 5 kt. waves 2 to 3 ft. patchy
fog. a chance of showers. vsby 1 to 3 nm. 
.thu...n winds 5 to 10 kt. waves 2 to 3 ft. patchy fog. showers
likely. vsby 1 to 3 nm in the morning. 
.thu night...n winds 5 to 10 kt. waves 2 to 3 ft. patchy fog in
the evening. 
.fri...nw winds 5 to 10 kt. waves 2 to 3 ft. a chance of
sprinkles in the afternoon. 
.fri night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
sprinkles in the evening. 
.sat and sat night...sw winds 5 to 10 kt. waves around 2 ft. 
.sun...s winds 5 to 10 kt. waves around 2 ft. 
.sun night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.mon and mon night...sw winds 5 to 10 kt, becoming w. waves 2 to
3 ft. a chance of showers.  

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 300505
cwfbox
expires:202607301800;;314250

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz250-301800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt thu jul 30 2026

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

.rest of tonight...e winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: se 4 ft at 6 seconds and s 1 foot at
4 seconds. patchy fog. a chance of showers with a slight chance
of tstms. vsby 1 nm or less. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: se 4 ft at 4 seconds and se 3 ft at 9 seconds.
patchy fog. a chance of showers. vsby 1 nm or less in the
morning. 
.thu night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: ne 3 ft at 6 seconds and se
3 ft at 9 seconds. patchy fog. a chance of showers in the
evening. 
.fri...n winds 5 to 10 kt. seas 3 to 4 ft. wave detail: n 3 ft at
4 seconds and se 3 ft at 10 seconds. 
.fri night...sw winds around 5 kt. seas 2 to 4 ft. wave detail:
ne 2 ft at 5 seconds and se 2 ft at 9 seconds. 
.sat and sat night...sw winds 5 to 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 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.sun night and mon...s winds 10 to 15 kt with gusts up to 20 kt,
becoming sw 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.mon night...w 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 300505
cwfbox
expires:202607301800;;314253

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz254-301800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am edt thu jul 30 2026

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

.rest of tonight...se winds 5 to 10 kt with gusts up to 20 kt.
seas 4 to 5 ft. wave detail: se 4 ft at 7 seconds and s 1 foot at
4 seconds. patchy fog. a chance of showers. vsby 1 nm or less. 
.thu...s winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se 4 ft
at 6 seconds and s 1 foot at 4 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.thu night...ne winds 5 to 10 kt, becoming n after midnight. seas
3 to 5 ft. wave detail: e 4 ft at 7 seconds and sw 1 foot at
3 seconds. patchy fog. a chance of showers in the evening. 
.fri...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 3 to 5 ft. wave detail: se 4 ft at 9 seconds and
n 2 ft at 5 seconds. 
.fri night...w winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
3 ft at 9 seconds and ne 2 ft at 5 seconds. 
.sat and sat night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and ne 2 ft at 5 seconds. 
.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. 
.mon...sw winds 5 to 10 kt. seas 3 to 5 ft. a chance of showers. 
.mon night...w winds 5 to 10 kt. seas 3 to 5 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 300505
cwfbox
expires:202607301800;;314254

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jul 30 2026

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


anz255-301800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt thu jul 30 2026

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

.rest of tonight...s winds 5 to 10 kt. seas 4 to 5 ft. wave
detail: se 5 ft at 7 seconds and sw 1 foot at 6 seconds. patchy
fog. vsby 1 nm or less. 
.thu...s winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s 5 ft at
8 seconds and ne 2 ft at 6 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.thu night...nw winds 10 to 15 kt. seas 3 to 5 ft. wave detail: s
4 ft at 8 seconds and w 2 ft at 4 seconds. patchy fog. vsby 1 to
3 nm. 
.fri...n winds 10 to 15 kt, becoming nw 5 to 10 kt in the
afternoon. seas 3 to 5 ft. wave detail: s 4 ft at 9 seconds and w
2 ft at 5 seconds. 
.fri night through sat night...sw winds 5 to 10 kt. seas 2 to
4 ft. wave detail: s 3 ft at 8 seconds and sw 2 ft at 4 seconds. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
9 seconds and sw 2 ft at 4 seconds. 
.sun night...s winds around 10 kt. seas 2 to 3 ft. a chance of
showers. 
.mon...sw winds around 10 kt. seas 3 to 5 ft. a chance of
showers. 
.mon night...sw winds 5 to 10 kt. seas 3 to 5 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.

$$