fzus51 kbox 270803
cwfbox
expires:202610272100;;790950

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz231-272100-
cape cod bay-
403 am edt tue oct 27 2026

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

.today...n winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n 3 ft
at 5 seconds. 
.tonight...n winds around 5 kt. seas 2 to 3 ft. wave detail: n
2 ft at 6 seconds. 
.wed...n winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: n 2 ft at 5 seconds. 
.wed night...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 3 seconds and ne 1 foot at 5 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 ne 1 foot
at 4 seconds. 
.fri through sat night...s winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft. wave detail: ne 2 ft at 10 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 270803
cwfbox
expires:202610272100;;790954

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz232-272100-
nantucket sound-
403 am edt tue oct 27 2026

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

.today...n winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at 6 seconds and
w 2 ft at 5 seconds. 
.tonight...ne winds 5 to 10 kt, diminishing to around 5 kt after
midnight. seas around 2 ft. wave detail: ne 2 ft at 7 seconds and
nw 1 foot at 5 seconds. 
.wed...e winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 5 seconds and e 1 foot at
8 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 2 seconds and e 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 3 ft at 4 seconds and e 1 foot at
7 seconds. 
.fri through sat night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and se
1 foot 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 270803
cwfbox
expires:202610272100;;790955

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz233-272100-
vineyard sound-
403 am edt tue oct 27 2026

.today...n winds 10 to 15 kt. gusts up to 20 kt this morning.
seas around 2 ft. wave detail: ne 2 ft at 4 seconds and w 2 ft at
5 seconds. 
.tonight...ne winds around 5 kt. seas around 2 ft. wave detail: w
1 foot at 5 seconds and ne 1 foot at 6 seconds. 
.wed...ne winds around 5 kt, becoming s in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 5 seconds and e 1 foot at 8 seconds, becoming n 1 foot
at 4 seconds and se 1 foot at 8 seconds. 
.wed night...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and se 1 foot at 8 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 3 ft at 4 seconds and se 1 foot
at 6 seconds. 
.fri through sat night...se 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
1 foot 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 270803
cwfbox
expires:202610272100;;790956

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz234-272100-
buzzards bay-
403 am edt tue oct 27 2026

.today...n winds 10 to 15 kt. gusts up to 20 kt this morning.
seas around 2 ft. wave detail: n 2 ft at 3 seconds and w 1 foot
at 5 seconds. 
.tonight...ne winds around 5 kt. seas 1 foot or less. wave
detail: ne 1 foot at 3 seconds and w 1 foot at 4 seconds. 
.wed...ne winds around 5 kt, becoming s in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 5 seconds and e 1 foot
at 7 seconds. 
.wed night...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and se 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 6 seconds. 
.fri through sat night...se 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
1 foot 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 270803
cwfbox
expires:202610272100;;790957

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz235-272100-
rhode island sound-
403 am edt tue oct 27 2026

.today...n winds 15 to 20 kt, becoming ne 10 to 15 kt this
afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at 7 seconds and
w 2 ft at 5 seconds. 
.tonight...ne winds around 5 kt. seas 2 to 3 ft. wave detail: e
2 ft at 9 seconds and w 1 foot at 4 seconds. 
.wed...ne winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 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:
se 2 ft at 8 seconds and sw 1 foot at 2 seconds. 
.thu and thu night...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and se 2 ft at 8 seconds. 
.fri through sat night...se 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
2 ft 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 270803
cwfbox
expires:202610272100;;790960

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz236-272100-
narragansett bay-
403 am edt tue oct 27 2026

.today...n winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. waves around 2 ft. 
.tonight...ne winds around 5 kt. waves around 2 ft. 
.wed...n winds around 5 kt, becoming s in the afternoon. waves
around 2 ft in the morning, then 1 foot or less. 
.wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.fri through sat night...se winds 10 to 15 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 270803
cwfbox
expires:202610272100;;790948

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz250-272100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt tue oct 27 2026

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

.today...n winds 15 to 20 kt with gusts up to 25 kt, diminishing
to 5 to 10 kt this afternoon. seas 3 to 4 ft. wave detail: nw
4 ft at 6 seconds. 
.tonight...n winds around 5 kt. seas 2 to 4 ft. wave detail: ne
3 ft at 8 seconds and nw 2 ft at 4 seconds. 
.wed...n winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and n 1 foot at
4 seconds. 
.wed night...sw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and
se 2 ft at 8 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 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. wave detail: sw 2 ft at 4 seconds and e
2 ft 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 270803
cwfbox
expires:202610272100;;790951

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz254-272100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 am edt tue oct 27 2026

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

.today...n winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: nw
4 ft at 6 seconds. 
.tonight...n winds 5 to 10 kt, becoming ne after midnight. seas
3 to 5 ft. wave detail: ne 4 ft at 7 seconds and nw 1 foot at
5 seconds. 
.wed...ne winds around 5 kt, becoming s around 5 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 3 ft at 7 seconds and
nw 1 foot at 5 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and w 1 foot at 5 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 3 ft at 4 seconds and se 2 ft at
7 seconds. 
.fri through sat night...e winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and ne
3 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 270803
cwfbox
expires:202610272100;;790952

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue oct 27 2026

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


anz255-272100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt tue oct 27 2026

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

.today...n winds 15 to 20 kt, becoming ne 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: ne
4 ft at 5 seconds and w 3 ft at 5 seconds. 
.tonight...ne winds 5 to 10 kt. seas 2 to 4 ft. wave detail: e
3 ft at 8 seconds and nw 1 foot at 4 seconds. 
.wed...e winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: e 3 ft at 9 seconds and n 2 ft at
5 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 8 seconds and sw 1 foot at 2 seconds. 
.thu and thu night...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and se 2 ft at 8 seconds. 
.fri through sat...n winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: sw 3 ft at 5 seconds and se 2 ft at 7 seconds. 
.sat night...e 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.

$$