fzus51 kbox 231704
cwfbox
expires:202607240600;;473267

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz231-240600-
cape cod bay-
104 pm edt thu jul 23 2026

.this afternoon...ne winds around 5 kt. seas around 2 ft. wave
detail: se 2 ft at 8 seconds and n 1 foot at 4 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and nw 1 foot at
3 seconds. 
.fri...sw winds around 5 kt, becoming e in the afternoon. seas
1 foot or less. wave detail: sw 1 foot at 3 seconds and e 1 foot
at 8 seconds. 
.fri night...se winds 5 to 10 kt, becoming sw after midnight.
seas 1 foot or less. wave detail: se 1 foot at 2 seconds and s
1 foot at 8 seconds. 
.sat and sat night...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 8 seconds and s 1 foot at 3 seconds. 
.sun through mon night...s winds 5 to 10 kt. seas around 2 ft.
wave detail: e 2 ft at 9 seconds and ne 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 231704
cwfbox
expires:202607240600;;473271

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz232-240600-
nantucket sound-
104 pm edt thu jul 23 2026

.this afternoon...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: ne 2 ft at 6 seconds and s 2 ft at 9 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. wave detail: sw 1 foot at 4 seconds and s 1 foot at
8 seconds. 
.fri...ne winds around 5 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 4 seconds and s 1 foot at
7 seconds. 
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 4 seconds and sw 1 foot at 6 seconds. 
.sat and sat night...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 4 seconds and s 1 foot at 4 seconds. 
.sun through mon night...sw winds 5 to 10 kt. seas around 2 ft.
wave detail: e 2 ft at 6 seconds and s 1 foot 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 231704
cwfbox
expires:202607240600;;473272

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz233-240600-
vineyard sound-
104 pm edt thu jul 23 2026

.this afternoon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 7 seconds and ne 1 foot at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 8 seconds and e 1 foot at 4 seconds. 
.fri...ne winds around 5 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and se 1 foot at
8 seconds. 
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 2 seconds and sw 1 foot at 7 seconds. 
.sat...ne winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and s 1 foot at 8 seconds. 
.sat night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
s 1 foot at 4 seconds and e 1 foot at 4 seconds. 
.sun through mon 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 231704
cwfbox
expires:202607240600;;473273

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz234-240600-
buzzards bay-
104 pm edt thu jul 23 2026

.this afternoon...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 2 ft at 8 seconds and ne 1 foot at 2 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: sw 2 ft at 8 seconds and e 1 foot at
4 seconds. 
.fri...n winds around 5 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 4 seconds and sw 1 foot at
7 seconds. 
.fri night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft in the evening, then 1 foot or less. wave
detail: se 1 foot at 2 seconds and s 1 foot at 6 seconds,
becoming e 1 foot at 2 seconds and s 1 foot at 6 seconds. 
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: e
1 foot at 3 seconds and s 1 foot at 7 seconds, becoming e 1 foot
at 2 seconds and sw 1 foot at 4 seconds. 
.sat night...ne winds 5 to 10 kt. seas around 2 ft. wave detail:
e 1 foot at 2 seconds and s 1 foot at 6 seconds. 
.sun through mon 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 231704
cwfbox
expires:202607240600;;473274

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz235-240600-
rhode island sound-
104 pm edt thu jul 23 2026

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

.this afternoon...sw winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 4 ft at 8 seconds and e 2 ft at 9 seconds. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 4 ft. wave detail: s 4 ft at 8 seconds and se 2 ft at
8 seconds. 
.fri...ne winds around 5 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds. 
.fri night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and nw 1 foot
at 7 seconds. 
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 7 seconds. 
.sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and s 1 foot at 4 seconds. 
.sun through mon...s winds 5 to 10 kt. seas 2 to 3 ft. 
.mon night...sw winds around 10 kt. seas around 2 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 231704
cwfbox
expires:202607240600;;473277

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz236-240600-
narragansett bay-
104 pm edt thu jul 23 2026

.this afternoon...sw winds 5 to 10 kt. waves 2 to 3 ft. 
.tonight...s winds 5 to 10 kt, becoming sw after midnight. waves
2 to 3 ft. 
.fri...n winds around 5 kt, becoming se in the afternoon. waves
around 2 ft. 
.fri night...se winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.sat...ne winds 5 to 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.sat night...e winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. 
.sun through mon...sw winds 5 to 10 kt. waves around 2 ft. 
.mon night...s winds 5 to 10 kt. waves around 2 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 231704
cwfbox
expires:202607240600;;473265

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz250-240600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt thu jul 23 2026

.this afternoon...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 8 seconds and nw 1 foot at 3 seconds. 
.tonight...s 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. 
.fri...sw winds around 5 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: se 2 ft at 7 seconds. 
.fri night...se winds 5 to 10 kt, becoming sw after midnight.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and s 1 foot
at 2 seconds. 
.sat and sat night...ne winds around 5 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 8 seconds and s 1 foot at 2 seconds. 
.sun through mon night...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 8 seconds and s 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 231704
cwfbox
expires:202607240600;;473268

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz254-240600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt thu jul 23 2026

...small craft advisory in effect until 11 pm edt this evening...

.this afternoon...n winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: se 5 ft at 9 seconds and nw 1 foot at 3 seconds. 
.tonight...se winds around 5 kt, becoming sw around 5 kt after
midnight. seas 2 to 4 ft. wave detail: s 4 ft at 8 seconds and se
3 ft at 8 seconds. 
.fri...e winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: se 3 ft at 7 seconds and
sw 1 foot at 3 seconds. 
.fri night...e 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. 
.sat and sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and s 1 foot at 2 seconds. 
.sun through mon night...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and s 2 ft at 8 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 231704
cwfbox
expires:202607240600;;473269

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt thu jul 23 2026

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


anz255-240600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt thu jul 23 2026

...small craft advisory in effect until 11 pm edt this evening...

.this afternoon...ne winds 5 to 10 kt. seas 4 to 5 ft. wave
detail: s 5 ft at 8 seconds and ne 1 foot at 5 seconds. 
.tonight...se winds around 5 kt. seas 3 to 5 ft. wave detail: s
5 ft at 8 seconds and w 2 ft at 5 seconds. 
.fri...ne winds around 5 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: se 4 ft at 7 seconds and w 2 ft at
5 seconds. 
.fri night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and n 1 foot at 5 seconds. 
.sat and sat night...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 6 seconds. 
.sun through mon night...s winds 10 to 15 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 7 seconds and se 1 foot 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.

$$