fzus51 kbox 281705
cwfbox
expires:202609290600;;201033

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz231-290600-
cape cod bay-
105 pm edt mon sep 28 2026

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

.this afternoon...se winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: ne 4 ft at 6 seconds and se 1 foot at 8 seconds. patchy
fog. showers likely. vsby 1 to 3 nm. 
.tonight...e winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 4 ft at 6 seconds and
se 1 foot at 9 seconds. patchy fog. showers likely in the
evening. vsby 1 to 3 nm. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 3 ft at 6 seconds and e 3 ft at 9 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.tue night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds and e 2 ft at 9 seconds. 
.wed...n winds around 5 kt, becoming ne around 5 kt in the
afternoon. seas around 2 ft. wave detail: e 2 ft at 9 seconds and
n 1 foot at 5 seconds. 
.wed night...s winds around 5 kt. seas around 2 ft. wave detail:
n 1 foot at 4 seconds and w 1 foot at 4 seconds. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 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 281705
cwfbox
expires:202609290600;;201037

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz232-290600-
nantucket sound-
105 pm edt mon sep 28 2026

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

.this afternoon...se winds around 10 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: e 3 ft at 9 seconds and e 1 foot at
3 seconds. patchy fog. showers likely. 
.tonight...s winds 5 to 10 kt, becoming w after midnight. gusts
up to 20 kt. seas 2 to 4 ft. wave detail: e 3 ft at 9 seconds and
ne 2 ft at 6 seconds. patchy fog. showers likely in the evening.
vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and ne 2 ft at
7 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.tue night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 9 seconds and n 1 foot at 4 seconds. 
.wed...n winds around 5 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 9 seconds and n 1 foot at
5 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
e 2 ft at 9 seconds and n 1 foot at 5 seconds. 
.thu through fri night...w winds 10 to 15 kt with gusts up to
20 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 281705
cwfbox
expires:202609290600;;201038

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz233-290600-
vineyard sound-
105 pm edt mon sep 28 2026

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

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

$$

fzus51 kbox 281705
cwfbox
expires:202609290600;;201039

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz234-290600-
buzzards bay-
105 pm edt mon sep 28 2026

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

.this afternoon...se winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 3 ft at 7 seconds and sw 2 ft at
8 seconds. patchy fog. showers. vsby 1 to 3 nm. 
.tonight...ne winds 5 to 10 kt with gusts up to 20 kt, becoming
nw after midnight. seas 2 to 3 ft. wave detail: n 3 ft at
7 seconds and sw 3 ft at 8 seconds. patchy fog. showers likely in
the evening. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 3 seconds and sw 2 ft at 7 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.tue night...n winds around 5 kt. seas 1 foot or less. wave
detail: n 1 foot at 3 seconds and sw 1 foot at 6 seconds. 
.wed and wed night...sw winds around 5 kt. seas 1 foot or less.
wave detail: sw 1 foot at 5 seconds and ne 1 foot at 5 seconds. 
.thu through fri night...w 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 281705
cwfbox
expires:202609290600;;201040

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz235-290600-
rhode island sound-
105 pm edt mon sep 28 2026

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

.this afternoon...se winds around 10 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: nw 5 ft at 7 seconds and s 5 ft at
8 seconds. patchy fog. showers likely. vsby 1 to 3 nm. 
.tonight...n winds around 10 kt with gusts up to 20 kt, becoming
nw after midnight. seas 3 to 5 ft. wave detail: s 5 ft at
8 seconds and n 4 ft at 6 seconds. patchy fog. showers likely in
the evening. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and n 2 ft at 3 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.tue night...n winds around 5 kt. seas around 2 ft. wave detail:
s 2 ft at 6 seconds and n 1 foot at 2 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 7 seconds and s 1 foot at 7 seconds. 
.thu through fri night...w winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: s 3 ft at 7 seconds and sw
2 ft 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.

$$

fzus51 kbox 281705
cwfbox
expires:202609290600;;201043

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz236-290600-
narragansett bay-
105 pm edt mon sep 28 2026

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

.this afternoon...e winds 5 to 10 kt. waves 2 to 3 ft. patchy
fog. showers. vsby 1 to 3 nm. 
.tonight...n winds 5 to 10 kt. waves 2 to 3 ft. patchy fog.
showers likely in the evening. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.tue night...n winds around 5 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.wed and wed night...sw winds around 5 kt. waves 1 foot or less. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 kt. waves 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 281705
cwfbox
expires:202609290600;;201031

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz250-290600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt mon sep 28 2026

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

.this afternoon...e winds 10 to 15 kt with gusts up to 25 kt.
seas 6 to 8 ft. wave detail: e 8 ft at 8 seconds and se 2 ft at
8 seconds. patchy fog. showers likely. vsby 1 to 3 nm. 
.tonight...e winds 10 to 15 kt with gusts up to 20 kt, becoming n
after midnight. seas 5 to 7 ft, subsiding to 4 to 5 ft after
midnight. wave detail: ne 7 ft at 7 seconds and se 2 ft at
8 seconds, becoming n 5 ft at 7 seconds and se 2 ft at 8 seconds.
patchy fog. showers in the evening. a chance of showers after
midnight. vsby 1 to 3 nm. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: e 5 ft at 9 seconds and n 3 ft at 6 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.tue night...n winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
3 ft at 9 seconds and w 2 ft at 4 seconds. 
.wed...n winds around 5 kt. seas 3 to 4 ft. wave detail: e 3 ft
at 9 seconds and ne 1 foot at 5 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and nw 1 foot at 3 seconds. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 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 281705
cwfbox
expires:202609290600;;201034

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz254-290600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 pm edt mon sep 28 2026

...small craft advisory in effect through tuesday morning...

.this afternoon...se winds around 10 kt with gusts up to 20 kt.
seas 5 to 7 ft. wave detail: ne 6 ft at 9 seconds and s 3 ft at
8 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm. 
.tonight...se winds around 10 kt, becoming sw after midnight.
gusts up to 20 kt. seas 4 to 6 ft. wave detail: ne 6 ft at
7 seconds and s 3 ft at 8 seconds. patchy fog. a chance of
showers in the evening. vsby 1 to 3 nm. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: e 4 ft at 9 seconds and s 3 ft at 7 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.tue night...nw winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: e 4 ft at 9 seconds and n
2 ft at 5 seconds. 
.wed...n winds 5 to 10 kt, diminishing to around 5 kt in the
afternoon. seas 3 to 4 ft. wave detail: e 4 ft at 9 seconds and n
1 foot at 5 seconds. 
.wed night...sw winds around 5 kt, increasing to 5 to 10 kt after
midnight. seas 3 to 4 ft. wave detail: e 3 ft at 9 seconds and se
2 ft at 13 seconds. 
.thu through fri night...w winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 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 281705
cwfbox
expires:202609290600;;201035

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt mon sep 28 2026

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


anz255-290600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 pm edt mon sep 28 2026

...small craft advisory in effect through late tonight...

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

$$