fzus51 kbox 310803
cwfbox
expires:202610312100;;012339

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz231-312100-
cape cod bay-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.today...n winds 20 to 25 kt, diminishing to 10 to 15 kt this
afternoon. seas 3 to 5 ft. wave detail: n 5 ft at 5 seconds and e
4 ft at 8 seconds. 
.tonight...nw winds around 5 kt, increasing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: n 3 ft at 6 seconds. 
.sun...w winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: n 2 ft at 5 seconds, becoming n
1 foot at 5 seconds. 
.sun night...w winds 5 to 10 kt. seas 1 foot or less, then around
2 ft after midnight. wave detail: w 1 foot at 4 seconds and ne
1 foot at 5 seconds, becoming w 1 foot at 2 seconds and ne 1 foot
at 4 seconds. 
.mon and mon night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 3 seconds and ne 1 foot at 4 seconds. 
.tue through wed night...s winds 5 to 10 kt. seas around 2 ft.
wave detail: w 1 foot at 3 seconds and e 1 foot at 11 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 310803
cwfbox
expires:202610312100;;012343

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz232-312100-
nantucket sound-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.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: nw
3 ft at 4 seconds and e 1 foot at 8 seconds. 
.tonight...nw winds around 5 kt, increasing to 5 to 10 kt after
midnight. seas around 2 ft. wave detail: nw 1 foot at 3 seconds
and ne 1 foot at 6 seconds. 
.sun...w winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: nw 1 foot at 2 seconds and e 1 foot
at 7 seconds, becoming w 1 foot at 2 seconds and e 1 foot at
7 seconds. 
.sun night...w winds around 10 kt. seas 1 foot or less. wave
detail: w 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.mon and mon 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 e 1 foot at
8 seconds. 
.tue through wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 2 ft at 8 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 310803
cwfbox
expires:202610312100;;012344

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz233-312100-
vineyard sound-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.today...n winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and e
1 foot at 8 seconds. 
.tonight...nw winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.sun...w winds 5 to 10 kt. seas 1 foot or less. wave detail: nw
1 foot at 3 seconds and se 1 foot at 8 seconds. 
.sun night...w winds around 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 8 seconds. 
.tue through wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 8 seconds and sw 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.

$$

fzus51 kbox 310803
cwfbox
expires:202610312100;;012345

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz234-312100-
buzzards bay-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.today...n winds 15 to 20 kt, diminishing to 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and e
1 foot at 9 seconds. 
.tonight...nw winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and ne 1 foot at 6 seconds. 
.sun...w winds 5 to 10 kt. seas 1 foot or less. wave detail: nw
1 foot at 2 seconds and e 1 foot at 8 seconds. 
.sun night...w winds around 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot
at 7 seconds. 
.tue through wed night...s winds 5 to 10 kt. seas around 2 ft.
wave detail: sw 1 foot at 4 seconds and se 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.

$$

fzus51 kbox 310803
cwfbox
expires:202610312100;;012346

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz235-312100-
rhode island sound-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.today...n winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. seas 2 to 3 ft. wave detail: nw 3 ft at 4 seconds and
se 2 ft at 7 seconds. 
.tonight...nw winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 8 seconds and w 1 foot at 3 seconds. 
.sun...w winds 5 to 10 kt. seas around 2 ft. wave detail: nw
1 foot at 2 seconds and se 1 foot at 8 seconds. 
.sun night...w winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 3 seconds and se 1 foot at 8 seconds. 
.mon and mon night...w 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 8 seconds. 
.tue through wed...s winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and se 1 foot at 9 seconds. 
.wed night...s winds 10 to 15 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 310803
cwfbox
expires:202610312100;;012349

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz236-312100-
narragansett bay-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.today...n winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. waves around 2 ft.
.tonight...nw winds around 5 kt. waves 1 foot or less. 
.sun...w winds 5 to 10 kt. waves 1 foot or less. 
.sun night...w winds 5 to 10 kt. waves 1 foot or less. 
.mon and mon night...w winds 10 to 15 kt. waves around 2 ft. 
.tue through wed night...s winds 5 to 10 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 310803
cwfbox
expires:202610312100;;012337

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz250-312100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt sat oct 31 2026

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

.today...n winds 15 to 20 kt, becoming nw 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: n 5 ft
at 6 seconds and ne 4 ft at 9 seconds. 
.tonight...nw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: nw
3 ft at 5 seconds. 
.sun...w winds 5 to 10 kt. seas around 2 ft. wave detail: ne 2 ft
at 7 seconds and nw 1 foot at 3 seconds. 
.sun night...sw winds 5 to 10 kt, becoming w 10 to 15 kt after
midnight. seas around 2 ft. wave detail: w 2 ft at 3 seconds and
se 1 foot at 7 seconds. 
.mon and mon 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 e 2 ft at
11 seconds. 
.tue through wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 3 seconds and e 2 ft 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.

$$

fzus51 kbox 310803
cwfbox
expires:202610312100;;012340

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz254-312100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 am edt sat oct 31 2026

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

.today...n winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. seas 4 to 6 ft. wave detail: nw 6 ft at 6 seconds and
e 4 ft at 8 seconds. 
.tonight...nw winds 5 to 10 kt. seas 3 to 5 ft. wave detail: n
4 ft at 6 seconds. 
.sun...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n 3 ft at
6 seconds. 
.sun night...w winds around 10 kt. seas around 2 ft. wave detail:
ne 2 ft at 7 seconds and w 1 foot at 4 seconds. 
.mon and mon 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 e 2 ft at
10 seconds. 
.tue through wed...s winds 5 to 10 kt. seas around 2 ft. wave
detail: w 2 ft at 3 seconds and e 1 foot at 10 seconds. 
.wed night...s winds around 10 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 310803
cwfbox
expires:202610312100;;012341

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat oct 31 2026

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


anz255-312100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt sat oct 31 2026

...small craft advisory in effect until 8 am edt this morning...

.today...n winds 20 to 25 kt, diminishing to 10 to 15 kt this
afternoon. seas 3 to 5 ft. wave detail: nw 4 ft at 5 seconds and
e 3 ft at 8 seconds. 
.tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 8 seconds and w 1 foot at 4 seconds. 
.sun...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. 
.sun night...w winds around 10 kt. seas around 2 ft. wave detail:
w 2 ft at 3 seconds and e 2 ft at 8 seconds. 
.mon and mon night...w 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. 
.tue through wed...s winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and se 2 ft at 8 seconds. 
.wed night...s winds 10 to 15 kt. seas 3 to 5 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.

$$