fzus51 kbox 050803
cwfbox
expires:202609052100;;936525

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz231-052100-
cape cod bay-
403 am edt sat sep 5 2026

.today...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 2 ft at 3 seconds. 
.tonight...n winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 3 ft at 5 seconds. 
.sun night...w winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: n 2 ft at 5 seconds. 
.mon and mon night...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. 
.tue through wed...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 2 ft at 3 seconds and ne 1 foot at
6 seconds. 
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 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 050803
cwfbox
expires:202609052100;;936529

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz232-052100-
nantucket sound-
403 am edt sat sep 5 2026

.today...n winds 10 to 15 kt. gusts up to 20 kt this afternoon.
seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 4 seconds and sw 1 foot at
6 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 4 seconds and w 1 foot at
5 seconds. 
.sun night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: nw 2 ft at 3 seconds and
ne 2 ft at 8 seconds. 
.mon and mon night...w winds 10 to 15 kt. seas around 2 ft. wave
detail: nw 2 ft at 3 seconds and e 1 foot at 9 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
10 seconds. 
.wed night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 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 050803
cwfbox
expires:202609052100;;936530

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz233-052100-
vineyard sound-
403 am edt sat sep 5 2026

.today...n winds 10 to 15 kt. gusts up to 20 kt this afternoon.
seas around 2 ft. wave detail: nw 1 foot at 4 seconds and e
1 foot at 7 seconds. a slight chance of showers this afternoon. 
.tonight...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
ne 1 foot at 3 seconds and sw 1 foot at 6 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 1 foot at 3 seconds and sw 1 foot at
5 seconds. 
.sun night...w winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: ne 1 foot at 5 seconds and w
1 foot at 5 seconds, becoming nw 1 foot at 4 seconds and e 1 foot
at 8 seconds. 
.mon and mon night...nw winds 5 to 10 kt. seas 1 foot or less.
wave detail: nw 1 foot at 3 seconds and e 1 foot at 9 seconds. 
.tue and tue night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and e 1 foot at 9 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. 
.wed night...sw winds 25 to 30 kt. seas 4 to 6 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 050803
cwfbox
expires:202609052100;;936531

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz234-052100-
buzzards bay-
403 am edt sat sep 5 2026

.today...n winds 10 to 15 kt. gusts up to 20 kt this afternoon.
seas around 2 ft. wave detail: nw 1 foot at 4 seconds and e
1 foot at 6 seconds. a slight chance of showers this afternoon. 
.tonight...ne winds 10 to 15 kt, becoming n 5 to 10 kt after
midnight. seas around 2 ft. wave detail: ne 1 foot at 3 seconds
and sw 1 foot at 5 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 1 foot at 3 seconds and sw 1 foot at
5 seconds. 
.sun night...w winds 5 to 10 kt, becoming nw after midnight. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and sw 1 foot
at 5 seconds. 
.mon and mon night...nw 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. 
.tue and tue night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 3 seconds and e 1 foot at 8 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. 
.wed night...sw winds 25 to 30 kt. seas 4 to 6 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 050803
cwfbox
expires:202609052100;;936532

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz235-052100-
rhode island sound-
403 am edt sat sep 5 2026

.today...n winds 10 to 15 kt. seas around 2 ft. wave detail: nw
2 ft at 4 seconds and se 2 ft at 8 seconds. a slight chance of
showers this afternoon. 
.tonight...ne winds 10 to 15 kt. seas around 2 ft. wave detail:
ne 2 ft at 5 seconds and s 1 foot at 6 seconds. 
.sun...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: ne 2 ft at 5 seconds
and sw 1 foot at 6 seconds. 
.sun night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: nw 2 ft at 4 seconds and e 1 foot at
7 seconds. 
.mon and mon night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 3 seconds and se 1 foot at 9 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot
at 8 seconds. 
.wed night...sw winds 25 to 30 kt. seas 5 to 7 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 050803
cwfbox
expires:202609052100;;936535

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz236-052100-
narragansett bay-
403 am edt sat sep 5 2026

.today...n winds 5 to 10 kt. waves around 2 ft. a chance of
showers this afternoon. 
.tonight...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.sun...n winds 5 to 10 kt. waves around 2 ft. 
.sun night...nw winds 5 to 10 kt. waves 1 foot or less. 
.mon and mon night...w winds 5 to 10 kt. waves 1 foot or less. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 3 ft. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 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 050803
cwfbox
expires:202609052100;;936523

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz250-052100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt sat sep 5 2026

...small craft advisory in effect from late tonight through
sunday evening...

.today...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: nw 4 ft at 3 seconds and ne 3 ft at 7 seconds.
.tonight...n winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 3 to 5 ft. wave detail: ne
4 ft at 7 seconds and nw 2 ft at 5 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: ne 4 ft at 7 seconds and w 2 ft at 5 seconds. 
.sun night...nw winds 5 to 10 kt. gusts up to 20 kt after
midnight. seas 3 to 4 ft. wave detail: ne 4 ft at 7 seconds and
nw 1 foot at 5 seconds. 
.mon and mon night...w winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: ne 3 ft at 8 seconds and nw 2 ft at
3 seconds. 
.tue through wed...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
9 seconds. 
.wed night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 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 050803
cwfbox
expires:202609052100;;936526

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz254-052100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 am edt sat sep 5 2026

...small craft advisory in effect from late tonight through
sunday evening...

.today...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: ne 4 ft at 6 seconds and nw 2 ft at 4 seconds.
.tonight...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 7 seconds and sw 1 foot at
6 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 7 seconds and sw 1 foot at
6 seconds. 
.sun night...nw winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 3 to 5 ft. wave detail: ne
4 ft at 7 seconds and w 1 foot at 6 seconds. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: ne 4 ft at 8 seconds and w 2 ft at
3 seconds. 
.tue through wed...s winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and ne 2 ft at
8 seconds. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 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 050803
cwfbox
expires:202609052100;;936527

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sat sep 5 2026

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


anz255-052100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt sat sep 5 2026

...small craft advisory in effect from late tonight through
sunday evening...

.today...n winds 10 to 15 kt. gusts up to 20 kt this afternoon.
seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds. 
.tonight...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: ne 3 ft at 6 seconds and sw 1 foot at
5 seconds. 
.sun...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: ne 4 ft at 7 seconds and
w 2 ft at 6 seconds. 
.sun night...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 3 ft at 8 seconds and w
2 ft at 4 seconds. 
.mon and mon night...w winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: e 3 ft at 9 seconds and nw 2 ft at 4 seconds. 
.tue through wed...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and e 2 ft at
9 seconds. 
.wed night...sw winds 25 to 30 kt. seas 5 to 7 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.

$$