fzus51 kbox 130206
cwfbox
expires:202608131500;;089576

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz231-131500-
cape cod bay-
1005 pm edt wed aug 12 2026

.overnight...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: s 1 foot at 2 seconds and n 1 foot at 3 seconds. a chance
of showers. 
.thu...sw winds around 5 kt. seas 1 foot or less. wave detail: sw
1 foot at 2 seconds and e 1 foot at 3 seconds. a chance of
showers in the morning. 
.thu night...w winds around 5 kt, becoming nw after midnight.
seas 1 foot or less, then around 2 ft after midnight. wave
detail: w 1 foot at 2 seconds and s 1 foot at 3 seconds, becoming
nw 1 foot at 2 seconds and e 1 foot at 2 seconds. 
.fri...nw winds 5 to 10 kt, becoming n in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 3 seconds and s 1 foot at 5 seconds. 
.fri night and sat...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 3 seconds and s 1 foot at 4 seconds. 
.sat night...s winds around 5 kt, becoming sw around 5 kt after
midnight. seas 1 foot or less. wave detail: n 1 foot at 4 seconds
and s 1 foot at 7 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night and mon...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. a chance of showers. 
.mon night...ne 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 130206
cwfbox
expires:202608131500;;089580

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz232-131500-
nantucket sound-
1005 pm edt wed aug 12 2026

.overnight...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 3 seconds and e 1 foot at 3 seconds. a
slight chance of showers with isolated tstms. 
.thu...sw winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and ne 1 foot at 3 seconds. a chance of showers
in the morning. 
.thu night...w winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot
at 3 seconds. 
.fri...nw winds around 10 kt, becoming w in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds, becoming nw
1 foot at 2 seconds and n 1 foot at 3 seconds. 
.fri night and sat...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 2 seconds and ne 1 foot at 3 seconds. 
.sat night...s winds around 5 kt, becoming sw after midnight.
seas 1 foot or less. wave detail: nw 1 foot at 2 seconds and ne
1 foot at 3 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night and mon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. a chance of showers. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers.  

winds and seas higher in and near tstms.

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 130206
cwfbox
expires:202608131500;;089581

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz233-131500-
vineyard sound-
1005 pm edt wed aug 12 2026

.overnight...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: w 1 foot at 2 seconds and sw 1 foot at 5 seconds. a
chance of showers with isolated tstms. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: ne 1 foot at 3 seconds and sw 1 foot at
4 seconds, becoming sw 2 ft at 5 seconds and ne 1 foot at
2 seconds. a chance of showers in the morning. 
.thu night...w winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and sw 1 foot
at 2 seconds. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: sw
2 ft at 5 seconds and n 1 foot at 2 seconds, becoming w 1 foot at
2 seconds and n 1 foot at 2 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: sw
1 foot at 3 seconds and ne 1 foot at 3 seconds, becoming nw
1 foot at 3 seconds and n 1 foot at 4 seconds. 
.sat and sat night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 2 seconds and nw 1 foot at 3 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night and mon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. a chance of showers. 
.mon night...ne winds 10 to 15 kt. seas 2 to 3 ft. a chance of
showers.  

winds and seas higher in and near tstms.

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 130206
cwfbox
expires:202608131500;;089582

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz234-131500-
buzzards bay-
1005 pm edt wed aug 12 2026

.overnight...sw winds 5 to 10 kt. seas 1 foot or less. wave
detail: e 1 foot at 3 seconds and sw 1 foot at 4 seconds. a
chance of showers with isolated tstms. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: ne 1 foot at 3 seconds and sw 1 foot at
5 seconds, becoming sw 2 ft at 5 seconds and ne 1 foot at
2 seconds. a chance of showers in the morning. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: sw
2 ft at 4 seconds and ne 1 foot at 3 seconds, becoming nw 1 foot
at 2 seconds and ne 1 foot at 2 seconds. 
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: n
1 foot at 2 seconds and sw 1 foot at 5 seconds, becoming n 1 foot
at 3 seconds and sw 1 foot at 4 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and sw 1 foot
at 4 seconds. 
.sat and sat night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: n 1 foot at 2 seconds and nw 1 foot at 3 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.sun night through mon night...ne winds 15 to 20 kt. seas 2 to
4 ft. a chance of showers.  

winds and seas higher in and near tstms.

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 130206
cwfbox
expires:202608131500;;089583

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz235-131500-
rhode island sound-
1005 pm edt wed aug 12 2026

.overnight...sw winds around 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and e 1 foot at 5 seconds. a slight
chance of showers, then a chance of showers with isolated tstms. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 7 seconds and
ne 1 foot at 3 seconds. a chance of showers in the morning. 
.thu night...w winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and n 1 foot
at 3 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and n 1 foot at
2 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 2 ft at 3 seconds and w 2 ft at
3 seconds. 
.sat and sat night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 5 seconds and n 1 foot at 3 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.sun night...sw winds around 15 kt with gusts up to 20 kt. seas
3 to 5 ft. a chance of showers. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. a chance of showers. 
.mon night...ne winds 10 to 15 kt. seas 2 to 4 ft. a chance of
showers.  

winds and seas higher in and near tstms.

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 130206
cwfbox
expires:202608131500;;089586

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz236-131500-
narragansett bay-
1005 pm edt wed aug 12 2026

.overnight...sw winds around 5 kt. waves 1 foot or less. a slight
chance of showers, then a chance of showers with isolated tstms. 
.thu...sw winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. a chance of showers in the morning. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight.
waves 1 foot or less. 
.fri...nw winds around 5 kt, becoming w in the afternoon. waves
1 foot or less. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. waves
1 foot or less. 
.sat and sat night...sw winds 5 to 10 kt. waves 1 foot or less. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.sun night and mon...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 4 ft. a chance of showers. 
.mon night...n winds 5 to 10 kt. waves 2 to 3 ft. a chance of
showers.  

winds and waves higher in and near tstms.

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 130206
cwfbox
expires:202608131500;;089574

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz250-131500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 pm edt wed aug 12 2026

.overnight...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
n 1 foot at 2 seconds and s 1 foot at 3 seconds. a slight chance
of showers. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
1 foot at 3 seconds and e 1 foot at 3 seconds. a chance of
showers in the afternoon. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: w 1 foot at 2 seconds and se 1 foot at
3 seconds. a chance of showers in the evening. 
.fri...nw winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 3 seconds and s 1 foot at 4 seconds. 
.fri night...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 2 ft at 4 seconds and w 1 foot at
3 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 4 seconds and s 1 foot at 7 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.mon...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers. 
.mon night...ne winds around 10 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 130206
cwfbox
expires:202608131500;;089577

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz254-131500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 pm edt wed aug 12 2026

.overnight...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 4 seconds and ne 1 foot at 3 seconds. a slight chance
of showers. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 5 seconds and nw 1 foot at 3 seconds. a chance of showers in
the morning. 
.thu night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: s 2 ft at 5 seconds and w 1 foot
at 3 seconds. 
.fri...nw winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 3 seconds and s 1 foot at 5 seconds. 
.fri night and sat...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 4 seconds and n 2 ft at 4 seconds. 
.sat night...w winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 4 seconds and s 1 foot at 6 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. a chance of showers. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.mon night...ne winds 10 to 15 kt with gusts up to 20 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 130206
cwfbox
expires:202608131500;;089578

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt wed aug 12 2026

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


anz255-131500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 pm edt wed aug 12 2026

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

winds and seas higher in and near tstms.

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.

$$