fzus51 kbox 181203
cwfbox
expires:202511190100;;618286

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz231-190100-
cape cod bay-
703 am est tue nov 18 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 2 to
4 ft. wave detail: nw 4 ft at 5 seconds and ne 1 foot at
11 seconds. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: nw 2 ft at 4 seconds and e 1 foot at 11 seconds. 
.wed...nw winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: nw 1 foot at 4 seconds and ne 1 foot
at 10 seconds. 
.wed night...n winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 4 seconds and ne 1 foot at 9 seconds. 
.thu...ne winds around 5 kt. seas 1 foot or less. wave detail: n
1 foot at 3 seconds and ne 1 foot at 7 seconds. 
.thu night...ne winds around 5 kt, becoming sw after midnight.
seas 1 foot or less. wave detail: ne 1 foot at 5 seconds. 
.fri through sat...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. a chance of rain. 
.sat night...nw 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.

$$

fzus51 kbox 181203
cwfbox
expires:202511190100;;618290

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz232-190100-
nantucket sound-
703 am est tue nov 18 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 2 to 3 ft. wave detail: w 3 ft at 5 seconds and s
1 foot at 10 seconds. 
.tonight...w winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: w 2 ft at 4 seconds and e 1 foot
at 10 seconds. 
.wed...nw winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: w 1 foot at 4 seconds and se 1 foot
at 10 seconds, becoming w 1 foot at 4 seconds and e 1 foot at
11 seconds. 
.wed night...n winds around 5 kt. seas 1 foot or less. wave
detail: w 1 foot at 4 seconds and ne 1 foot at 11 seconds. 
.thu...ne winds 5 to 10 kt. seas 1 foot or less. wave detail: ne
1 foot at 4 seconds and sw 1 foot at 5 seconds. 
.thu night...ne 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. 
.fri through sat...nw winds 15 to 20 kt. seas 2 to 4 ft. a chance
of rain. 
.sat 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 181203
cwfbox
expires:202511190100;;618291

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz233-190100-
vineyard sound-
703 am est tue nov 18 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 2 to
4 ft. wave detail: w 4 ft at 6 seconds and s 1 foot at
11 seconds. 
.tonight...nw winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas around 2 ft. wave detail: w 2 ft at 5 seconds and
s 1 foot at 9 seconds. 
.wed...nw winds 5 to 10 kt. seas 1 foot or less. wave detail: w
1 foot at 5 seconds and s 1 foot at 8 seconds. 
.wed night...n winds around 5 kt. seas 1 foot or less. wave
detail: sw 1 foot at 5 seconds and ne 1 foot at 10 seconds. 
.thu...ne winds around 5 kt. seas 1 foot or less. wave detail: ne
1 foot at 2 seconds and sw 1 foot at 5 seconds. 
.thu night...ne winds around 5 kt, becoming w after midnight.
seas 1 foot or less. wave detail: ne 1 foot at 3 seconds and sw
1 foot at 5 seconds. 
.fri through sat...nw winds 15 to 20 kt. seas 2 to 4 ft. a chance
of rain. 
.sat night...nw winds 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 181203
cwfbox
expires:202511190100;;618292

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz234-190100-
buzzards bay-
703 am est tue nov 18 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 2 to
3 ft. wave detail: w 3 ft at 5 seconds and s 1 foot at 9 seconds.
.tonight...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas around 2 ft. wave detail: w 2 ft at 5 seconds and
s 1 foot at 9 seconds. 
.wed...nw winds around 5 kt. seas 1 foot or less. wave detail: w
1 foot at 5 seconds and s 1 foot at 9 seconds. 
.wed night...n winds around 5 kt. seas 1 foot or less. wave
detail: sw 1 foot at 5 seconds and e 1 foot at 10 seconds. 
.thu...ne winds around 5 kt. seas 1 foot or less. wave detail: ne
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.thu night...ne winds around 5 kt, becoming sw after midnight.
seas 1 foot or less. wave detail: ne 1 foot at 3 seconds and sw
1 foot at 5 seconds. 
.fri through sat...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. a chance of rain. 
.sat night...nw 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.

$$

fzus51 kbox 181203
cwfbox
expires:202511190100;;618293

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz235-190100-
rhode island sound-
703 am est tue nov 18 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 2 to 4 ft. wave detail: w 4 ft at 5 seconds and s
1 foot at 10 seconds. 
.tonight...nw winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: w 3 ft at 5 seconds and s
1 foot at 9 seconds. 
.wed...nw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 7 seconds. 
.wed night...n winds 5 to 10 kt. seas 1 foot or less, then around
2 ft after midnight. wave detail: sw 1 foot at 5 seconds and se
1 foot at 9 seconds, becoming sw 1 foot at 5 seconds and ne
1 foot at 7 seconds. 
.thu...ne winds 5 to 10 kt. seas around 2 ft. wave detail: ne
1 foot at 4 seconds and s 1 foot at 6 seconds. 
.thu night...ne winds around 5 kt, becoming sw after midnight.
seas 1 foot or less. wave detail: e 1 foot at 5 seconds and sw
1 foot at 6 seconds. 
.fri through sat...nw winds 15 to 20 kt. seas 2 to 4 ft. a chance
of rain. 
.sat night...nw 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 181203
cwfbox
expires:202511190100;;618296

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz236-190100-
narragansett bay-
703 am est tue nov 18 2025

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

.today...w winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.tonight...w winds 5 to 10 kt. waves around 2 ft in the evening,
then 1 foot or less. 
.wed...nw winds around 5 kt. waves 1 foot or less. 
.wed night...n winds around 5 kt. waves 1 foot or less. 
.thu...ne winds around 5 kt. waves 1 foot or less.
.thu night...n winds around 5 kt, becoming sw around 5 kt after
midnight. waves 1 foot or less. 
.fri through sat...nw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. a chance of rain. 
.sat 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 181203
cwfbox
expires:202511190100;;618284

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz250-190100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 am est tue nov 18 2025

...small craft advisory in effect until 7 pm est this evening...

.today...w 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 5 seconds and e 1 foot at 12 seconds. 
.tonight...w winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas 2 to 4 ft. wave detail: w 3 ft at 5 seconds and se 1 foot at
11 seconds. 
.wed...w winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 4 seconds and e 1 foot at 11 seconds. 
.wed night...nw winds around 5 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and e 1 foot at 11 seconds. 
.thu...ne winds around 5 kt. seas 1 foot or less. wave detail: nw
1 foot at 2 seconds and e 1 foot at 10 seconds. 
.thu night...e winds around 5 kt, becoming sw after midnight.
seas 1 foot or less. wave detail: nw 1 foot at 2 seconds and e
1 foot at 10 seconds. 
.fri and fri night...s winds 10 to 15 kt, becoming w 15 to 20 kt.
gusts up to 25 kt. seas 2 to 4 ft. a chance of rain. 
.sat and sat night...nw winds 15 to 20 kt, diminishing to 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 181203
cwfbox
expires:202511190100;;618287

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz254-190100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 am est tue nov 18 2025

...small craft advisory in effect until 7 pm est this evening...

.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 6 seconds and
se 1 foot at 11 seconds. 
.tonight...w winds 10 to 15 kt. gusts up to 20 kt in the evening.
seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and se 1 foot at
11 seconds. 
.wed...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w 2 ft at
5 seconds and se 1 foot at 10 seconds. 
.wed night...n winds around 5 kt. seas around 2 ft. wave detail:
nw 2 ft at 5 seconds and e 1 foot at 11 seconds. 
.thu...ne winds around 5 kt. seas around 2 ft. wave detail: sw
1 foot at 5 seconds and e 1 foot at 10 seconds. 
.thu night...ne winds around 5 kt, becoming n after midnight.
seas around 2 ft. wave detail: s 2 ft at 6 seconds. 
.fri...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.fri night and sat...w winds 15 to 20 kt, becoming nw 10 to
15 kt. gusts up to 25 kt. seas 3 to 5 ft. a chance of rain. 
.sat night...nw winds 10 to 15 kt. seas 3 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 181203
cwfbox
expires:202511190100;;618288

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 am est tue nov 18 2025

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


anz255-190100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 am est tue nov 18 2025

...small craft advisory in effect until 7 pm est this evening...

.today...w 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 7 seconds and e 1 foot at 14 seconds. 
.tonight...nw winds 15 to 20 kt, becoming w around 10 kt after
midnight. seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and e
1 foot at 12 seconds. 
.wed...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w 3 ft
at 6 seconds and se 1 foot at 12 seconds. 
.wed night...ne winds around 5 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and e 1 foot at 12 seconds. 
.thu...ne winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 6 seconds and ne 1 foot at 6 seconds. 
.thu night...ne winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: ne 2 ft at 6 seconds and sw 1 foot at
6 seconds. 
.fri...sw winds 15 to 20 kt. seas 2 to 4 ft. a chance of rain. 
.fri night...w winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. a chance of rain. 
.sat...nw winds 15 to 20 kt. seas 3 to 5 ft. a chance of rain. 
.sat night...nw 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.

$$