fzus51 kbox 311204
cwfbox
expires:202601010100;;549763

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz231-010100-
cape cod bay-
704 am est wed dec 31 2025

.today...w winds 15 to 20 kt, becoming sw 10 to 15 kt this
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 4 ft
at 4 seconds and e 1 foot at 12 seconds. 
.tonight...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: sw 2 ft at 3 seconds and
e 1 foot at 11 seconds. snow likely after midnight with vsby 1 nm
or less. 
.thu...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: nw
4 ft at 5 seconds and e 1 foot at 13 seconds. a chance of snow
showers. light freezing spray in the afternoon. vsby 1 nm or less
in the morning. 
.thu night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: nw 4 ft at 5 seconds and e 1 foot at
13 seconds. light freezing spray. 
.fri...w winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: w 4 ft at 5 seconds and ne 1 foot at
11 seconds. light freezing spray. 
.fri 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 e 1 foot at
11 seconds. 
.sat through sun night...nw 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 311204
cwfbox
expires:202601010100;;549767

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz232-010100-
nantucket sound-
704 am est wed dec 31 2025

...small craft advisory in effect until 1 pm est this afternoon...

.today...w winds 20 to 25 kt, diminishing to around 15 kt this
afternoon. seas 3 to 5 ft. wave detail: w 5 ft at 5 seconds and
se 1 foot at 12 seconds. a slight chance of snow this afternoon. 
.tonight...sw 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 1 foot at
11 seconds. snow with a chance of rain after midnight with vsby
1 nm or less. 
.thu...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: w 4 ft
at 5 seconds and e 1 foot at 14 seconds. snow showers likely,
mainly in the morning. light freezing spray in the afternoon.
vsby 1 nm or less in the morning. 
.thu night...nw winds 25 to 30 kt, becoming w 20 to 25 kt after
midnight. seas 3 to 5 ft. wave detail: w 5 ft at 5 seconds and e
1 foot at 13 seconds. light freezing spray. 
.fri...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 3 to 4 ft. wave detail: w 4 ft at 5 seconds and e
1 foot at 12 seconds. light freezing spray. 
.fri night...w winds 15 to 20 kt. seas 2 to 4 ft. wave detail: w
3 ft at 4 seconds and e 1 foot at 12 seconds. 
.sat through sun night...nw 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 311204
cwfbox
expires:202601010100;;549768

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz233-010100-
vineyard sound-
704 am est wed dec 31 2025

...small craft advisory in effect until 1 pm est this afternoon...

.today...w winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. seas 4 to 6 ft, subsiding to 3 to 4 ft this afternoon.
wave detail: sw 6 ft at 7 seconds and e 1 foot at 12 seconds,
becoming sw 4 ft at 7 seconds and e 1 foot at 12 seconds. a
slight chance of snow this afternoon. 
.tonight...sw winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: sw 4 ft at 7 seconds and e
1 foot at 11 seconds. snow with a chance of rain after midnight
with vsby 1 nm or less. 
.thu...w winds 15 to 20 kt, becoming nw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 7 seconds and e 1 foot at 14 seconds. a chance of snow
showers in the morning. light freezing spray in the afternoon.
vsby 1 to 3 nm in the morning. 
.thu night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: w 5 ft at 7 seconds and e 1 foot at
14 seconds. light freezing spray. 
.fri...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: w 4 ft at 6 seconds and e 1 foot at
13 seconds. light freezing spray. 
.fri night...w winds 15 to 20 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 6 seconds and e 1 foot at 12 seconds. 
.sat through sun night...nw winds 15 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 311204
cwfbox
expires:202601010100;;549769

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz234-010100-
buzzards bay-
704 am est wed dec 31 2025

...small craft advisory in effect until 1 pm est this afternoon...

.today...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft, subsiding to 2 to 3 ft this afternoon. wave detail: sw 5 ft
at 7 seconds and se 1 foot at 12 seconds, becoming sw 3 ft at
7 seconds and e 1 foot at 12 seconds. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 7 seconds and e 1 foot at
11 seconds. snow after midnight with vsby 1 nm or less. 
.thu...w winds 15 to 20 kt, becoming nw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 7 seconds and e 1 foot at 14 seconds. a chance of snow
showers in the morning. light freezing spray in the afternoon.
vsby 1 nm or less in the morning. 
.thu night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: w 4 ft at 7 seconds and e 1 foot at
14 seconds. light freezing spray. 
.fri...w winds 15 to 20 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 6 seconds and e 1 foot at 13 seconds. light freezing spray. 
.fri night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds
and e 1 foot at 12 seconds. 
.sat through sun night...nw winds 10 to 15 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 311204
cwfbox
expires:202601010100;;549770

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz235-010100-
rhode island sound-
704 am est wed dec 31 2025

...small craft advisory in effect until 4 pm est this afternoon...

.today...w winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. seas 4 to 6 ft. wave detail: w 6 ft at 8 seconds and
se 1 foot at 13 seconds. a slight chance of snow this afternoon. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 7 seconds and e 1 foot at
12 seconds. snow with a chance of rain after midnight with vsby
1 nm or less. 
.thu...w winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: w 6 ft at 7 seconds and e 1 foot at
15 seconds. a chance of snow showers in the morning. light
freezing spray in the afternoon. 
.thu night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: w 6 ft at 7 seconds and e 1 foot at
15 seconds. light freezing spray. 
.fri and fri night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and e 1 foot at
13 seconds. light freezing spray in the morning. light freezing
spray likely after midnight. 
.sat and sat night...nw winds 15 to 20 kt, diminishing to 10 to
15 kt. seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and e
1 foot at 11 seconds. 
.sun and sun night...nw winds 10 to 15 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 311204
cwfbox
expires:202601010100;;549773

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz236-010100-
narragansett bay-
704 am est wed dec 31 2025

.today...w winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
4 ft. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. snow after midnight with vsby 1 nm or less. 
.thu...w winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft. a chance of snow showers in the morning. light freezing
spray in the afternoon. 
.thu night...w winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft. light freezing spray. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.sat through sun night...nw 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 311204
cwfbox
expires:202601010100;;549761

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz250-010100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
704 am est wed dec 31 2025

...small craft advisory in effect until 4 pm est this afternoon...

.today...sw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w 6 ft
at 6 seconds and e 1 foot at 11 seconds. 
.tonight...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
11 seconds. snow likely after midnight with vsby 1 nm or less. 
.thu...w winds 15 to 20 kt, becoming nw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. wave detail: w 4 ft at 4 seconds and e
2 ft at 13 seconds, becoming w 6 ft at 5 seconds and e 2 ft at
13 seconds. a chance of snow showers. light freezing spray in the
afternoon. vsby 1 nm or less in the morning. 
.thu night...nw winds 25 to 30 kt, becoming w 20 to 25 kt after
midnight. seas 5 to 7 ft. wave detail: nw 7 ft at 6 seconds and e
2 ft at 12 seconds. light freezing spray. 
.fri...w 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: w 6 ft
at 6 seconds and e 2 ft at 12 seconds. light freezing spray. 
.fri night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: w 4 ft at 5 seconds and e 1 foot at
11 seconds. light freezing spray likely after midnight. 
.sat...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. light freezing spray likely. 
.sat night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. light freezing spray likely. 
.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 311204
cwfbox
expires:202601010100;;549764

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz254-010100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
704 am est wed dec 31 2025

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

.today...w winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft, subsiding to 3 to 5 ft this afternoon. wave detail: w 6 ft
at 6 seconds and se 1 foot at 11 seconds, becoming sw 4 ft at
6 seconds and e 1 foot at 10 seconds. a slight chance of snow
this afternoon. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 5 seconds and e 2 ft at 14 seconds.
snow likely with a chance of rain after midnight with vsby 1 nm
or less. 
.thu...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w 6 ft
at 6 seconds and e 2 ft at 14 seconds. a chance of snow showers.
a chance of showers in the morning with vsby 1 nm or less. 
.thu night...nw winds 25 to 30 kt. seas 5 to 7 ft. wave detail:
nw 7 ft at 6 seconds and e 2 ft at 12 seconds. light freezing
spray. 
.fri...w 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: w 6 ft
at 7 seconds and e 2 ft at 12 seconds. light freezing spray. 
.fri night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: w 5 ft at 6 seconds and e 1 foot at
11 seconds. 
.sat through sun night...nw winds 15 to 20 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 311204
cwfbox
expires:202601010100;;549765

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est wed dec 31 2025

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


anz255-010100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 am est wed dec 31 2025

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

.today...w winds 20 to 25 kt with gusts up to 30 kt, diminishing
to 15 to 20 kt this afternoon. seas 6 to 9 ft, subsiding to 4 to
6 ft this afternoon. wave detail: sw 9 ft at 8 seconds and e
1 foot at 12 seconds, becoming sw 6 ft at 8 seconds and e 1 foot
at 12 seconds. a slight chance of snow. 
.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and e 1 foot at
11 seconds. snow likely with a chance of rain after midnight with
vsby 1 nm or less. 
.thu...w winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 5 to 8 ft. wave detail: sw 8 ft at 8 seconds and
e 2 ft at 14 seconds. a chance of snow showers. showers likely in
the morning with vsby 1 nm or less. 
.thu night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: w 9 ft at 8 seconds and e 2 ft at
13 seconds. light freezing spray. 
.fri...w winds 20 to 25 kt. seas 5 to 7 ft. wave detail: w 7 ft
at 7 seconds and e 2 ft at 12 seconds. light freezing spray in
the morning. 
.fri night...w winds 20 to 25 kt. seas 5 to 7 ft. wave detail: sw
7 ft at 7 seconds and e 1 foot at 12 seconds. 
.sat and sat night...nw winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt. seas 3 to 5 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.

$$