fzus51 kbox 041404
cwfbox
expires:202608050300;;609254

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

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


anz231-050300-
cape cod bay-
1004 am edt tue aug 4 2026

.this afternoon...w winds around 5 kt, becoming s. seas around
2 ft. wave detail: se 2 ft at 8 seconds and w 1 foot at
3 seconds. 
.tonight...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. 
.wed...nw 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 and thu 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 7 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: se 2 ft at 9 seconds and sw
1 foot at 2 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 041404
cwfbox
expires:202608050300;;609258

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

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


anz232-050300-
nantucket sound-
1004 am edt tue aug 4 2026

.this afternoon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 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 e 1 foot at
8 seconds. 
.wed...n winds around 5 kt, becoming sw in the afternoon. 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 and thu 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 se 1 foot
at 7 seconds. 
.fri through sat 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
2 ft 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 041404
cwfbox
expires:202608050300;;609259

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

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


anz233-050300-
vineyard sound-
1004 am 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 2 to 3 ft. wave detail:
sw 2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds. 
.fri through sat 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
1 foot at 12 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 041404
cwfbox
expires:202608050300;;609260

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

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


anz234-050300-
buzzards bay-
1004 am edt tue aug 4 2026

.this afternoon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 2 ft at 8 seconds and sw 2 ft at 8 seconds. 
.tonight...s winds 5 to 10 kt, becoming w 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 sw 1 foot at 7 seconds. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds. 
.fri through sat...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 s 1 foot at
12 seconds. 
.sat night...sw winds 10 to 15 kt with gusts up to 20 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 041404
cwfbox
expires:202608050300;;609261

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

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


anz235-050300-
rhode island sound-
1004 am edt tue aug 4 2026

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

.this afternoon...w winds around 5 kt, becoming s. seas 3 to
4 ft. wave detail: s 4 ft at 8 seconds and sw 2 ft at 4 seconds. 
.tonight...s winds 5 to 10 kt, becoming ne 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. patchy fog in the afternoon. 
.wed night...sw winds around 10 kt. seas 2 to 4 ft. wave detail:
se 3 ft at 7 seconds and sw 1 foot at 4 seconds. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: se 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 4 ft. wave detail: sw 4 ft at 5 seconds and s
2 ft 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 041404
cwfbox
expires:202608050300;;609264

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

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


anz236-050300-
narragansett bay-
1004 am edt tue aug 4 2026

.this afternoon...sw winds around 5 kt, becoming s. 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. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 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 041404
cwfbox
expires:202608050300;;609252

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

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


anz250-050300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am 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 2 to 3 ft. wave
detail: se 3 ft at 8 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...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. 
.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 10 to 15 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 041404
cwfbox
expires:202608050300;;609255

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

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


anz254-050300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1004 am 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 2 to 4 ft. wave
detail: s 4 ft at 8 seconds and nw 1 foot at 4 seconds. 
.tonight...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 7 seconds and w 1 foot at 4 seconds. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
7 seconds and sw 1 foot at 4 seconds. patchy fog. vsby 1 to 3 nm
in the morning. 
.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. 
.thu and thu 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 w 1 foot at
3 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: s 3 ft at 6 seconds and w
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 041404
cwfbox
expires:202608050300;;609256

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

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


anz255-050300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 am edt tue aug 4 2026

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

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

$$