fzus51 kbox 161705
cwfbox
expires:202609170600;;553537

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz231-170600-
cape cod bay-
104 pm edt wed sep 16 2026

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 2 seconds and n 1 foot at 4 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: sw 1 foot at 3 seconds and ne
1 foot at 4 seconds, becoming sw 1 foot at 2 seconds and ne
1 foot at 5 seconds. 
.thu...sw winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 2 seconds and ne
1 foot at 7 seconds, becoming e 2 ft at 8 seconds and sw 1 foot
at 3 seconds. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: sw 1 foot at 2 seconds
and w 1 foot at 3 seconds. a chance of showers after midnight. 
.fri...w winds around 10 kt, becoming n in the afternoon. gusts
up to 20 kt. seas around 2 ft. wave detail: sw 1 foot at
3 seconds and w 1 foot at 3 seconds. a chance of showers in the
morning. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: n 4 ft at 4 seconds and sw 1 foot at
4 seconds. 
.sat and sat night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming se around 5 kt. seas 2 to 3 ft. 
.sun and sun night...se winds 5 to 10 kt. seas around 2 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 161705
cwfbox
expires:202609170600;;553541

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz232-170600-
nantucket sound-
104 pm edt wed sep 16 2026

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 3 seconds and w 1 foot at 3 seconds. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 3 seconds and ne 1 foot at 8 seconds. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and w
1 foot at 3 seconds. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt, becoming n in the afternoon. gusts up
to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and w
1 foot at 3 seconds. a chance of showers in the morning. 
.fri night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and sw
1 foot at 5 seconds. 
.sat and sat night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming se 5 to 10 kt. seas 2 to 3 ft. 
.sun and sun night...se winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 3 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 161705
cwfbox
expires:202609170600;;553542

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz233-170600-
vineyard sound-
104 pm edt wed sep 16 2026

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and nw 1 foot at 4 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: w 1 foot at 3 seconds and e
1 foot at 5 seconds. 
.thu...sw winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 3 seconds and e
1 foot at 8 seconds, becoming w 1 foot at 3 seconds and ne 1 foot
at 8 seconds. 
.thu night...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
7 seconds. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt with gusts up to 20 kt, becoming nw in
the afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds
and e 1 foot at 7 seconds. a chance of showers in the morning. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: n 2 ft at 3 seconds and sw 2 ft at
5 seconds. 
.sat and sat night...ne winds 10 to 15 kt, becoming se 5 to
10 kt. seas around 2 ft, then 1 foot or less. 
.sun and sun night...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 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 161705
cwfbox
expires:202609170600;;553543

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz234-170600-
buzzards bay-
104 pm edt wed sep 16 2026

.this afternoon...sw winds 10 to 15 kt. seas around 2 ft. wave
detail: sw 1 foot at 3 seconds and nw 1 foot at 4 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: w 1 foot at 4 seconds and e
1 foot at 5 seconds, becoming sw 1 foot at 3 seconds and e 1 foot
at 5 seconds. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: sw 1 foot at 3 seconds and e
1 foot at 8 seconds, becoming sw 1 foot at 3 seconds and ne
1 foot at 8 seconds. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot at
7 seconds. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and w 1 foot at 3 seconds. a chance of showers
in the morning. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 3 seconds and
sw 1 foot at 5 seconds. 
.sat and sat night...ne winds 10 to 15 kt, becoming se 5 to
10 kt. seas around 2 ft, then 1 foot or less. 
.sun and sun night...se winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 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 161705
cwfbox
expires:202609170600;;553544

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz235-170600-
rhode island sound-
104 pm edt wed sep 16 2026

.this afternoon...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and nw 1 foot at 4 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: w
2 ft at 3 seconds and e 1 foot at 5 seconds. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 7 seconds. 
.thu night...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 ne 1 foot at
7 seconds. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: w 3 ft
at 4 seconds and e 1 foot at 7 seconds. a chance of showers in
the morning. 
.fri night...n winds 15 to 20 kt. seas 2 to 3 ft. wave detail: n
3 ft at 3 seconds and sw 2 ft at 5 seconds. 
.sat and sat night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming se 5 to 10 kt. seas 2 to 3 ft. 
.sun and sun night...se winds 10 to 15 kt, becoming e 15 to
20 kt. seas 2 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 161705
cwfbox
expires:202609170600;;553547

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz236-170600-
narragansett bay-
104 pm edt wed sep 16 2026

.this afternoon...sw winds around 10 kt. waves around 2 ft. 
.tonight...sw winds 5 to 10 kt. waves around 2 ft in the evening,
then 1 foot or less. 
.thu...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 foot or less, then around 2 ft in the afternoon. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves around 2 ft. a chance of showers after midnight. 
.fri...w winds around 10 kt, becoming n in the afternoon. waves
around 2 ft. a chance of showers in the morning. 
.fri night...n winds 10 to 15 kt. waves around 2 ft. 
.sat and sat night...ne winds 5 to 10 kt, becoming se. waves
around 2 ft, then 1 foot or less. 
.sun and sun night...se winds 10 to 15 kt, becoming e. gusts up
to 20 kt. waves around 2 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 161705
cwfbox
expires:202609170600;;553535

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz250-170600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt wed sep 16 2026

.this afternoon...s winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 3 seconds and e 1 foot at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 3 seconds and e 2 ft at 7 seconds. 
.thu...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 7 seconds and sw 1 foot at 3 seconds. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: e 2 ft at 4 seconds and sw 2 ft at
4 seconds. a chance of showers. 
.fri...w winds around 10 kt with gusts up to 20 kt, becoming nw
in the afternoon. seas 2 to 3 ft. wave detail: w 2 ft at
3 seconds and sw 2 ft at 4 seconds. a chance of showers in the
morning. 
.fri night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds and sw 1 foot at 3 seconds. 
.sat and sat night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming s 5 to 10 kt. seas 2 to 4 ft. 
.sun and sun night...s winds 5 to 10 kt, becoming e. seas 2 to
3 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 161705
cwfbox
expires:202609170600;;553538

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz254-170600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt wed sep 16 2026

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 7 seconds and se 2 ft at 9 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.thu...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 8 seconds and sw 1 foot at 4 seconds. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 3 seconds and e 2 ft at
7 seconds. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt, becoming nw in the afternoon. gusts
up to 20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds
and e 2 ft at 7 seconds. a chance of showers in the morning. 
.fri night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: ne 4 ft at 6 seconds and nw 2 ft at
3 seconds. 
.sat and sat night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming se around 5 kt. seas 2 to 4 ft. 
.sun and sun night...se winds 5 to 10 kt, increasing to 10 to
15 kt. seas 2 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 161705
cwfbox
expires:202609170600;;553539

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed sep 16 2026

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


anz255-170600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt wed sep 16 2026

.this afternoon...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 6 seconds and nw 1 foot at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 6 seconds and e 2 ft at 9 seconds. 
.thu...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 8 seconds and w 1 foot at 3 seconds. 
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e
2 ft at 7 seconds. a chance of showers after midnight. 
.fri...w winds around 15 kt, becoming nw in the afternoon. gusts
up to 20 kt. seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and
sw 3 ft at 5 seconds. a chance of showers in the morning. 
.fri night...n winds 10 to 15 kt, becoming ne 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n 3 ft
at 4 seconds and w 2 ft at 5 seconds. 
.sat and sat night...ne winds 15 to 20 kt, becoming e 5 to 10 kt.
seas 2 to 3 ft. 
.sun and sun night...se winds 10 to 15 kt. gusts up to 20 kt.
seas 2 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.

$$