fzus51 kbox 080203
cwfbox
expires:202609081500;;085297

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz231-081500-
cape cod bay-
1003 pm edt mon sep 7 2026

.overnight...w winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 5 seconds. 
.tue...nw winds 5 to 10 kt, becoming n in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 4 seconds, becoming nw 1 foot at 3 seconds and ne
1 foot at 6 seconds. 
.tue night...se winds 5 to 10 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and ne 1 foot at 7 seconds. 
.wed...se winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: se 1 foot
at 3 seconds and ne 1 foot at 6 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
8 seconds. 
.thu night...w winds 10 to 15 kt. gusts up to 25 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se
1 foot at 8 seconds. 
.fri through sat night...s winds 5 to 10 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 080203
cwfbox
expires:202609081500;;085301

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz232-081500-
nantucket sound-
1003 pm edt mon sep 7 2026

.overnight...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and e 1 foot at 9 seconds. 
.tue...nw winds 5 to 10 kt. seas around 2 ft. wave detail: nw
1 foot at 3 seconds and e 1 foot at 9 seconds. 
.tue night...se winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 4 seconds and e 1 foot at 9 seconds. 
.wed...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 2 ft at 3 seconds and e 1 foot at
9 seconds. 
.wed night and thu...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 5 seconds and e 1 foot at
9 seconds. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w 10 to 15 kt after midnight. seas 3 to 5 ft, subsiding
to 2 to 3 ft after midnight. wave detail: sw 4 ft at 5 seconds
and se 1 foot at 8 seconds, becoming w 2 ft at 5 seconds and se
1 foot at 9 seconds. a chance of showers. 
.fri through sat night...s winds 10 to 15 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 080203
cwfbox
expires:202609081500;;085302

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz233-081500-
vineyard sound-
1003 pm edt mon sep 7 2026

.overnight...nw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.tue...w winds 5 to 10 kt. seas 1 foot or less. wave detail: nw
1 foot at 4 seconds and e 1 foot at 9 seconds. 
.tue night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 4 seconds and se 1 foot at 10 seconds. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft
in the afternoon. wave detail: sw 1 foot at 4 seconds and se
1 foot at 9 seconds, becoming sw 2 ft at 4 seconds and se 1 foot
at 9 seconds. 
.wed night and thu...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: sw 6 ft at 7 seconds and se 3 ft at
8 seconds. 
.thu night...w winds 10 to 15 kt. gusts up to 25 kt in the
evening. seas 3 to 5 ft. wave detail: sw 5 ft at 8 seconds and se
1 foot at 8 seconds. a chance of showers in the evening. 
.fri through sat night...s 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 080203
cwfbox
expires:202609081500;;085303

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz234-081500-
buzzards bay-
1003 pm edt mon sep 7 2026

.overnight...nw winds 5 to 10 kt. seas 1 foot or less. wave
detail: w 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.tue...w winds 5 to 10 kt. seas 1 foot or less. wave detail: nw
1 foot at 3 seconds and e 1 foot at 8 seconds. 
.tue night...se winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 4 seconds and e 1 foot at 8 seconds. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and se 1 foot at 8 seconds. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 7 seconds and se 3 ft at
9 seconds. 
.thu night...w winds 10 to 15 kt. gusts up to 30 kt in the
evening. seas 2 to 4 ft. wave detail: sw 4 ft at 7 seconds and se
3 ft at 8 seconds. 
.fri through sat night...s 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 080203
cwfbox
expires:202609081500;;085304

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz235-081500-
rhode island sound-
1003 pm edt mon sep 7 2026

.overnight...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
w 1 foot at 3 seconds and se 1 foot at 9 seconds. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: w
1 foot at 3 seconds and se 1 foot at 8 seconds, becoming sw
1 foot at 4 seconds and se 1 foot at 8 seconds. 
.tue night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 4 seconds and se 1 foot at 9 seconds. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft
in the afternoon. wave detail: sw 1 foot at 4 seconds and se
1 foot at 8 seconds, becoming s 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.wed night...sw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 3 to 5 ft, building to
5 to 7 ft after midnight. wave detail: sw 5 ft at 5 seconds and
se 1 foot at 10 seconds, becoming sw 7 ft at 7 seconds and se
1 foot at 11 seconds. 
.thu...sw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 5 to 7 ft. wave detail: sw
7 ft at 7 seconds and s 6 ft at 9 seconds. 
.thu night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 4 to 6 ft. a chance of
showers in the evening. 
.fri and fri night...nw winds 10 to 15 kt, becoming n 5 to 10 kt.
seas 2 to 4 ft. 
.sat and sat night...e winds 5 to 10 kt, becoming s. 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 080203
cwfbox
expires:202609081500;;085307

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz236-081500-
narragansett bay-
1003 pm edt mon sep 7 2026

.overnight...nw winds around 5 kt. waves 1 foot or less. 
.tue...w winds around 5 kt. waves 1 foot or less. 
.tue night...s winds around 5 kt. waves 1 foot or less. 
.wed...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. waves 1 foot or less, then 2 to
3 ft in the afternoon. 
.wed night and thu...sw winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 4 ft. 
.thu night...w winds 10 to 15 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. waves 2 to 4 ft. 
.fri through sat night...s winds 5 to 10 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 080203
cwfbox
expires:202609081500;;085295

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz250-081500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt mon sep 7 2026

.overnight...nw winds around 10 kt. seas around 2 ft. wave
detail: e 2 ft at 8 seconds and w 1 foot at 3 seconds. 
.tue...nw winds around 10 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: nw 2 ft at 3 seconds and e 1 foot at
9 seconds. 
.tue night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
w 1 foot at 3 seconds and e 1 foot at 9 seconds. 
.wed...se winds 10 to 15 kt, becoming s 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: se 3 ft
at 4 seconds and e 1 foot at 9 seconds. 
.wed night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 2 ft at 9 seconds. a chance of showers after
midnight. 
.thu and thu night...w winds 20 to 25 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 2 ft at
8 seconds. 
.fri through sat night...s 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 080203
cwfbox
expires:202609081500;;085298

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz254-081500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt mon sep 7 2026

.overnight...w winds around 10 kt. seas 2 to 3 ft. wave detail:
ne 3 ft at 7 seconds and w 1 foot at 4 seconds. 
.tue...nw winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 8 seconds and w 1 foot at 3 seconds. 
.tue night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 8 seconds and w 1 foot at 4 seconds. 
.wed...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
8 seconds. 
.wed night...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw 5 ft
at 5 seconds and e 1 foot at 9 seconds. 
.thu...sw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: sw
6 ft at 6 seconds and se 1 foot at 9 seconds. 
.thu night...w winds 10 to 15 kt with gusts up to 25 kt. seas
4 to 6 ft. a chance of showers. 
.fri and fri night...nw winds 10 to 15 kt with gusts up to 20 kt,
becoming se around 5 kt. seas 2 to 4 ft. 
.sat and sat night...se 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 080203
cwfbox
expires:202609081500;;085299

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt mon sep 7 2026

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


anz255-081500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt mon sep 7 2026

.overnight...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w
2 ft at 4 seconds and e 2 ft at 9 seconds. 
.tue...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w 2 ft at
4 seconds and e 2 ft at 9 seconds. 
.tue night...sw winds 5 to 10 kt, becoming se after midnight.
seas around 2 ft. wave detail: sw 1 foot at 4 seconds and e
1 foot at 9 seconds. 
.wed...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e 1 foot at
9 seconds. 
.wed night...sw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 3 to 4 ft, building to
5 to 7 ft after midnight. wave detail: sw 4 ft at 5 seconds and
se 1 foot at 10 seconds, becoming sw 7 ft at 7 seconds and se
1 foot at 10 seconds. 
.thu...sw winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: sw 8 ft at 7 seconds and e 1 foot at
9 seconds. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w 10 to 15 kt after midnight. seas 5 to 8 ft, subsiding
to 4 to 6 ft after midnight. a chance of showers. 
.fri...nw winds 10 to 15 kt. seas 3 to 5 ft. 
.fri night through sat night...se 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.

$$