fzus51 kbox 030204
cwfbox
expires:202608031500;;527878

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz231-031500-
cape cod bay-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 8 am edt monday through
monday afternoon...

.overnight...s winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 1 foot at 2 seconds and se 1 foot at
6 seconds. a chance of showers, then showers likely with a chance
of tstms. patchy fog with vsby 1 to 3 nm. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: se 4 ft at 6 seconds and s 3 ft at 3 seconds.
patchy fog. showers with a chance of tstms. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt, becoming w 5 to 10 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: se 4 ft
at 6 seconds and sw 2 ft at 3 seconds. showers likely with a
chance of tstms in the evening, then a chance of showers after
midnight. patchy fog 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 2 seconds and e 1 foot at 9 seconds, becoming w 1 foot
at 2 seconds and se 1 foot at 9 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas 1 foot
or less. wave detail: sw 1 foot at 2 seconds and s 1 foot at
7 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: e 2 ft at 9 seconds and sw
1 foot at 2 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 030204
cwfbox
expires:202608031500;;527882

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz232-031500-
nantucket sound-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 8 am edt monday through
late monday night...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft at
4 seconds and se 3 ft at 7 seconds. a chance of showers with
isolated tstms, then showers with a chance of tstms. patchy fog
with vsby 1 to 3 nm. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 5 seconds and e 1 foot at 9 seconds.
patchy fog. showers with a chance of tstms. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 4 seconds and sw 2 ft at
9 seconds. patchy fog. showers likely with a chance of tstms in
the evening, then a chance of showers after midnight. vsby 1 to
3 nm in the evening. 
.tue...w winds around 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: w 2 ft at 4 seconds and s 1 foot at
8 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and s 1 foot at
7 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 s
1 foot at 6 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 030204
cwfbox
expires:202608031500;;527883

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz233-031500-
vineyard sound-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 8 am edt monday through
late monday night...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft at
7 seconds and sw 2 ft at 4 seconds. a chance of showers, then
showers with a chance of tstms. patchy fog with vsby 1 to 3 nm. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 6 seconds and e 1 foot at
8 seconds. patchy fog. showers with a chance of tstms. vsby 1 to
3 nm. 
.mon night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw 5 ft
at 9 seconds and sw 3 ft at 6 seconds. showers likely with a
chance of tstms in the evening, then a chance of showers after
midnight. patchy fog in the evening with vsby 1 to 3 nm. 
.tue...nw winds around 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: sw 4 ft at 8 seconds and sw 2 ft at
4 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 7 seconds and sw 2 ft at 4 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 3 ft at 5 seconds and se
2 ft at 10 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 030204
cwfbox
expires:202608031500;;527884

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz234-031500-
buzzards bay-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 8 am edt monday through
late monday night...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft at
4 seconds and s 3 ft at 7 seconds. a chance of showers, then
showers with a chance of tstms. patchy fog with vsby 1 to 3 nm. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 5 seconds and e 2 ft at 9 seconds.
patchy fog. a chance of tstms. showers. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w 10 to 15 kt after midnight. seas 2 to 4 ft. wave
detail: sw 3 ft at 4 seconds and sw 3 ft at 9 seconds. showers
likely with a chance of tstms in the evening, then a chance of
showers after midnight. patchy fog in the evening. 
.tue...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 8 seconds and se 2 ft at
11 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas around
2 ft. wave detail: s 2 ft at 7 seconds and sw 1 foot at
4 seconds. 
.thu through fri night...sw 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
2 ft at 10 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 030204
cwfbox
expires:202608031500;;527885

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz235-031500-
rhode island sound-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 5 am edt monday through
tuesday afternoon...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft at
6 seconds and se 2 ft at 9 seconds. a chance of showers, then
showers with a chance of tstms. patchy fog with vsby 1 to 3 nm. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 6 seconds and e 3 ft at 9 seconds.
patchy fog. a chance of tstms. showers. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail: s 7 ft
at 9 seconds and sw 3 ft at 5 seconds. showers likely with a
chance of tstms in the evening, then a chance of showers after
midnight. patchy fog in the evening with vsby 1 to 3 nm. 
.tue...nw winds around 10 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and sw 2 ft at
4 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas 2 to
4 ft. wave detail: se 4 ft at 7 seconds and w 2 ft at 4 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 3 ft at 6 seconds and se
2 ft at 10 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 030204
cwfbox
expires:202608031500;;527888

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz236-031500-
narragansett bay-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 5 am edt monday through
monday afternoon...

.overnight...s winds 10 to 15 kt. gusts up to 25 kt. waves 2 to
3 ft. a chance of showers, then showers with a chance of tstms.
patchy fog with vsby 1 nm or less.
.mon...s winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
5 ft. patchy fog. a chance of tstms. showers. vsby 1 to 3 nm. 
.mon night...sw winds 10 to 15 kt with gusts up to 25 kt,
becoming w 5 to 10 kt after midnight. waves 2 to 4 ft. patchy fog
in the evening. showers likely with a chance of tstms in the
evening. 
.tue...nw winds 5 to 10 kt, becoming sw in the afternoon. waves
2 to 3 ft. 
.tue night through 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 030204
cwfbox
expires:202608031500;;527876

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz250-031500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 8 am edt monday through
tuesday afternoon...

.overnight...s winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 4 seconds and se 1 foot at
9 seconds. a slight chance of showers, then showers with a chance
of tstms. patchy fog with vsby 1 nm or less. 
.mon...s winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 5 seconds and se 1 foot at
10 seconds. patchy fog. showers with a chance of tstms. vsby 1 nm
or less, increasing to 1 to 3 nm in the afternoon. 
.mon night...sw winds 15 to 20 kt, becoming w around 10 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: se 4 ft
at 8 seconds and sw 3 ft at 4 seconds. patchy fog in the evening.
showers likely with a chance of tstms in the evening. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 9 seconds and w 1 foot at
3 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.wed and wed 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. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 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 030204
cwfbox
expires:202608031500;;527879

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz254-031500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 8 am edt monday through
tuesday afternoon...

.overnight...s winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft at
5 seconds and e 1 foot at 9 seconds. a chance of showers, then
showers with a chance of tstms. patchy fog with vsby 1 nm or
less. 
.mon...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 sw 2 ft at 4 seconds.
patchy fog. showers with a chance of tstms. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail: s
7 ft at 8 seconds and w 2 ft at 5 seconds. patchy fog. a chance
of tstms. showers likely in the evening, then a chance of showers
after midnight. vsby 1 to 3 nm. 
.tue...w winds around 10 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 8 seconds and w 1 foot at 4 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas 2 to
4 ft. wave detail: s 3 ft at 7 seconds and w 1 foot at 3 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 3 ft at 5 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 030204
cwfbox
expires:202608031500;;527880

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt sun aug 2 2026

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


anz255-031500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 pm edt sun aug 2 2026

...small craft advisory in effect from 5 am edt monday through
tuesday evening...

.overnight...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: se 5 ft at 7 seconds and sw 4 ft at
4 seconds. a chance of showers with isolated tstms, then showers
with a chance of tstms. patchy fog. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 8 ft at 9 seconds and sw 3 ft at 3 seconds.
patchy fog. showers with a chance of tstms. vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 5 to 8 ft. wave detail: s
8 ft at 9 seconds and sw 3 ft at 4 seconds. patchy fog. a chance
of tstms. showers likely in the evening, then a chance of showers
after midnight. vsby 1 to 3 nm. 
.tue...nw winds around 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: s 6 ft at 8 seconds and w 3 ft at
4 seconds. 
.tue night through wed night...sw winds 5 to 10 kt. seas 2 to
4 ft. wave detail: s 4 ft at 7 seconds and w 3 ft at 4 seconds. 
.thu through fri night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: nw 4 ft at 5 seconds and s
4 ft at 6 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.

$$