fzus51 kbox 290803
cwfbox
expires:202510292100;;950096

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-292100-
cape cod bay-
403 am edt wed oct 29 2025

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 5 ft at 5 seconds. a chance of showers. 
.tonight...ne winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: n 4 ft
at 5 seconds. a chance of showers in the evening. 
.thu...ne winds 10 to 15 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 5 seconds. a chance of showers in the morning, then showers
likely in the afternoon. 
.thu night...e winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: e 4 ft at 4 seconds and n 1 foot at
4 seconds. showers. vsby 1 to 3 nm. 
.fri...s winds 15 to 20 kt with gusts up to 25 kt, becoming sw
20 to 25 kt with gusts up to 35 kt in the afternoon. seas 3 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: se
3 ft at 5 seconds, becoming sw 4 ft at 4 seconds and ne 2 ft at
7 seconds. a chance of showers in the morning with vsby 1 to
3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: w 5 ft at 5 seconds and e 2 ft at
8 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. 
.sat night...w winds 15 to 20 kt with gusts up to 30 kt. seas
2 to 4 ft. 
.sun and sun night...w winds 10 to 15 kt, diminishing to 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 290803
cwfbox
expires:202510292100;;950100

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-292100-
nantucket sound-
403 am edt wed oct 29 2025

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

.today...ne winds 25 to 30 kt, diminishing to 20 to 25 kt this
afternoon. seas 4 to 6 ft. wave detail: n 6 ft at 4 seconds. a
chance of showers. 
.tonight...ne winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: n 5 ft at 5 seconds. a
chance of showers in the evening. 
.thu...ne winds around 15 kt with gusts up to 20 kt, becoming e
20 to 25 kt with gusts up to 30 kt in the afternoon. seas 3 to
5 ft. wave detail: e 5 ft at 7 seconds. a chance of showers in
the morning, then showers likely in the afternoon. 
.thu night...e winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: se 6 ft at 6 seconds. showers. vsby 1 to
3 nm. 
.fri...sw winds 25 to 35 kt. seas 5 to 7 ft. wave detail: sw 6 ft
at 6 seconds and se 5 ft at 9 seconds. a chance of showers in the
morning with vsby 1 to 3 nm. 
.fri night...w winds 30 to 40 kt with gusts up to 45 kt. seas
6 to 9 ft. wave detail: w 7 ft at 6 seconds and se 3 ft at
10 seconds. 
.sat...w winds 25 to 35 kt with gusts up to 45 kt. seas 5 to
8 ft. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. 
.sun and sun night...nw winds 10 to 15 kt. 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 290803
cwfbox
expires:202510292100;;950101

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-292100-
vineyard sound-
403 am edt wed oct 29 2025

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: ne 3 ft at 4 seconds. a chance of showers. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 3 ft at 5 seconds. 
.thu...e winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 3 ft at 5 seconds. a chance of showers in
the morning, then showers likely in the afternoon. 
.thu night...e winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: e 4 ft at 4 seconds. showers. vsby 1 to
3 nm. 
.fri...sw winds 25 to 30 kt. gusts up to 40 kt in the afternoon.
seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. wave
detail: sw 5 ft at 5 seconds and se 4 ft at 8 seconds, becoming
sw 8 ft at 7 seconds and se 2 ft at 17 seconds. a chance of
showers in the morning with vsby 1 to 3 nm. 
.fri night...w winds 30 to 35 kt with gusts up to 40 kt. seas
8 to 11 ft. wave detail: sw 10 ft at 8 seconds and s 3 ft at
17 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. 
.sat night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. 
.sun and sun night...w winds 10 to 15 kt, becoming nw 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 290803
cwfbox
expires:202510292100;;950102

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-292100-
buzzards bay-
403 am edt wed oct 29 2025

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

.today...ne winds 20 to 25 kt. seas 3 to 4 ft. wave detail: n
3 ft at 4 seconds. a chance of showers. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds. 
.thu...ne winds 10 to 15 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: e 3 ft
at 4 seconds. a chance of showers in the morning, then showers
likely in the afternoon. 
.thu night...e winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: e 3 ft at 4 seconds. showers. vsby 1 to
3 nm. 
.fri...sw winds 20 to 25 kt with gusts up to 30 kt, becoming w
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and se 3 ft at 8 seconds.
a chance of showers in the morning with vsby 1 to 3 nm. 
.fri night...w winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. seas 5 to 7 ft. wave detail: sw 7 ft at 8 seconds and s
3 ft at 13 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. 
.sat night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. 
.sun and sun night...w winds 10 to 15 kt, becoming nw 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 290803
cwfbox
expires:202510292100;;950103

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-292100-
rhode island sound-
403 am edt wed oct 29 2025

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 5 seconds. a chance of showers. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: ne 5 ft at 7 seconds. 
.thu...ne winds 15 to 20 kt, becoming e 20 to 25 kt with gusts up
to 30 kt in the afternoon. seas 4 to 6 ft. wave detail: e 6 ft at
7 seconds. a chance of showers in the morning, then showers
likely in the afternoon. 
.thu night...e winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: e 7 ft at 7 seconds and se 1 foot at
3 seconds. showers. vsby 1 to 3 nm.
.fri...sw winds 25 to 30 kt. gusts up to 40 kt in the afternoon.
seas 5 to 8 ft, building to 7 to 10 ft in the afternoon. wave
detail: s 8 ft at 7 seconds, becoming sw 10 ft at 8 seconds and s
7 ft at 15 seconds. a chance of showers in the morning with vsby
1 to 3 nm. 
.fri night...w winds 30 to 35 kt with gusts up to 40 kt. seas
9 to 13 ft. wave detail: sw 12 ft at 9 seconds and s 6 ft at
16 seconds. 
.sat...w winds 25 to 35 kt with gusts up to 40 kt. seas 7 to
10 ft. 
.sat night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. 
.sun and sun night...nw 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 290803
cwfbox
expires:202510292100;;950106

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-292100-
narragansett bay-
403 am edt wed oct 29 2025

.today...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. a chance of showers. 
.tonight...ne winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 3 ft. 
.thu...ne winds 10 to 15 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. a chance of
showers in the morning, then showers likely in the afternoon. 
.thu night...e winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 4 ft. showers. vsby 1 to 3 nm. 
.fri...sw winds 20 to 25 kt. gusts up to 35 kt in the afternoon.
waves 4 to 6 ft. a chance of showers in the morning with vsby
1 to 3 nm. 
.fri night...w winds 20 to 25 kt with gusts up to 35 kt. waves
4 to 6 ft, except 6 to 9 ft at the bay entrance. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. waves 4 to
6 ft. 
.sat night through sun night...nw winds 15 to 20 kt with gusts up
to 25 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 290803
cwfbox
expires:202510292100;;950094

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-292100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt wed oct 29 2025

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
8 ft. wave detail: ne 8 ft at 8 seconds. a chance of showers. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. seas 6 to
8 ft. wave detail: e 8 ft at 10 seconds. a chance of showers in
the evening. 
.thu...ne winds 10 to 15 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 6 to 7 ft. wave detail: e 7 ft
at 11 seconds. a chance of showers in the morning, then showers
likely in the afternoon. 
.thu night...e winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 8 ft. wave detail: e 8 ft at 11 seconds. showers. vsby 1 to
3 nm. 
.fri...s winds around 20 kt, becoming sw in the afternoon. gusts
up to 35 kt. seas 6 to 8 ft. wave detail: e 8 ft at 10 seconds
and sw 5 ft at 5 seconds. showers likely in the morning with vsby
1 to 3 nm. 
.fri night...w winds 25 to 30 kt with gusts up to 40 kt. seas
6 to 9 ft. wave detail: w 8 ft at 6 seconds and e 6 ft at
10 seconds. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. 
.sat night...w winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.sun night...w winds around 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 290803
cwfbox
expires:202510292100;;950097

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-292100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 am edt wed oct 29 2025

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

.today...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. wave detail: ne 10 ft at 9 seconds. a chance of showers. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. seas 6 to
9 ft. wave detail: e 9 ft at 10 seconds. a chance of showers in
the evening. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 6 to
8 ft. wave detail: e 8 ft at 11 seconds. a chance of showers in
the morning, then showers likely in the afternoon. 
.thu night...e winds 15 to 20 kt with gusts up to 25 kt. seas
6 to 8 ft. wave detail: e 8 ft at 11 seconds. showers. vsby 1 to
3 nm. 
.fri...s winds 20 to 25 kt with gusts up to 30 kt, becoming sw
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 6 to
8 ft, building to 8 to 11 ft in the afternoon. wave detail: se
8 ft at 10 seconds and s 4 ft at 5 seconds, becoming sw 8 ft at
7 seconds and e 7 ft at 10 seconds. showers likely in the morning
with vsby 1 to 3 nm. 
.fri night...w winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 45 kt. seas 9 to 12 ft, except 13 to 18 ft
s and e of nantucket. wave detail: w 9 ft at 7 seconds and se
6 ft at 11 seconds. 
.sat...w winds 25 to 35 kt with gusts up to 40 kt. seas 8 to
11 ft, except 12 to 16 ft s and e of nantucket. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. 
.sun...nw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.sun night...w winds around 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 290803
cwfbox
expires:202510292100;;950098

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt wed oct 29 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-292100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt wed oct 29 2025

...gale warning in effect through thursday morning...

.today...ne winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: ne 9 ft at 8 seconds. a chance of showers. 
.tonight...ne winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. seas 6 to 9 ft. wave detail: ne 8 ft at 10 seconds and
n 1 foot at 4 seconds. 
.thu...ne winds 15 to 20 kt, becoming e 20 to 25 kt with gusts up
to 30 kt in the afternoon. seas 5 to 7 ft. wave detail: e 7 ft at
10 seconds. a chance of showers in the morning, then showers
likely in the afternoon. 
.thu night...se winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: e 8 ft at 8 seconds. showers. vsby 1 to
3 nm. 
.fri...sw winds 25 to 30 kt with gusts up to 35 kt, becoming w
30 to 35 kt with gusts up to 45 kt in the afternoon. seas 7 to
10 ft, building to 10 to 14 ft in the afternoon. wave detail: s
9 ft at 9 seconds and sw 8 ft at 7 seconds, becoming sw 13 ft at
9 seconds and e 6 ft at 13 seconds. a chance of showers. vsby
1 to 3 nm in the morning. 
.fri night...w winds 35 to 40 kt with gusts up to 45 kt. seas
12 to 17 ft. wave detail: sw 16 ft at 10 seconds and s 6 ft at
14 seconds. 
.sat...w winds 30 to 40 kt with gusts up to 45 kt. seas 11 to
15 ft. 
.sat night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. 
.sun...w winds 15 to 20 kt. seas 3 to 5 ft. 
.sun night...nw 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.

$$