fzus51 kbox 090203
cwfbox
expires:202608091500;;856632

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz231-091500-
cape cod bay-
1003 pm edt sat aug 8 2026

.overnight...sw winds 5 to 10 kt. seas around 2 ft, then 1 foot
or less. wave detail: sw 1 foot at 3 seconds and e 1 foot at
8 seconds, becoming sw 1 foot at 2 seconds and e 1 foot at
8 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm. 
.sun...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 se
1 foot at 8 seconds, becoming sw 1 foot at 2 seconds and se
1 foot at 9 seconds. 
.sun night...w winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: sw 1 foot at 2 seconds and e
1 foot at 9 seconds, becoming w 1 foot at 3 seconds and e 1 foot
at 8 seconds. 
.mon...nw winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: w
1 foot at 3 seconds and e 1 foot at 9 seconds, becoming sw 1 foot
at 3 seconds and e 1 foot at 9 seconds. 
.mon night and tue...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 2 seconds and e 1 foot at 9 seconds. 
.tue night...w winds around 5 kt. seas 1 foot or less. wave
detail: w 1 foot at 2 seconds and e 1 foot at 8 seconds. 
.wed and wed night...n winds around 5 kt, becoming sw. seas
1 foot or less. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.thu night...sw winds around 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 090203
cwfbox
expires:202608091500;;856636

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz232-091500-
nantucket sound-
1003 pm edt sat aug 8 2026

.overnight...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
9 seconds. patchy fog. a chance of showers. vsby 1 nm or less. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: w 2 ft at 5 seconds and se 1 foot at
9 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 2 ft at 4 seconds and se 1 foot at 9 seconds. 
.mon...w winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and e 1 foot at
9 seconds. 
.mon night and tue...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot
at 9 seconds. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas around 2 ft. wave detail: w
2 ft at 4 seconds and e 1 foot at 9 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas around 2 ft. 
.thu and thu night...sw 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 090203
cwfbox
expires:202608091500;;856637

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz233-091500-
vineyard sound-
1003 pm edt sat aug 8 2026

.overnight...sw winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
8 seconds. patchy fog. showers likely. vsby 1 to 3 nm. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and se 1 foot
at 8 seconds. patchy fog in the morning. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and se 1 foot at 9 seconds. 
.mon...w winds around 5 kt, becoming sw 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 6 seconds
and e 1 foot at 10 seconds. 
.mon night and tue...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 6 seconds and e 1 foot
at 10 seconds. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 11 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas around 2 ft. 
.thu and thu night...sw 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 090203
cwfbox
expires:202608091500;;856638

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz234-091500-
buzzards bay-
1003 pm edt sat aug 8 2026

.overnight...sw winds 10 to 15 kt. gusts up to 20 kt. seas around
2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot at
8 seconds. a chance of showers. patchy fog with vsby 1 to 3 nm. 
.sun...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 1 foot at 9 seconds. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and se 1 foot at 8 seconds. 
.mon...w winds around 5 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: sw 2 ft
at 6 seconds and e 1 foot at 10 seconds. 
.mon night and tue...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and e 1 foot
at 9 seconds. 
.tue night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas around 2 ft. wave detail: sw 2 ft at 5 seconds and
se 1 foot at 11 seconds.
.wed and wed night...w winds 5 to 10 kt. seas around 2 ft. 
.thu and thu night...sw 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 090203
cwfbox
expires:202608091500;;856639

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz235-091500-
rhode island sound-
1003 pm edt sat aug 8 2026

.overnight...sw winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 5 seconds and s 2 ft at 9 seconds.
a chance of showers. patchy fog with vsby 1 to 3 nm. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and se 2 ft at
8 seconds. 
.sun night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 7 seconds and se 2 ft at 9 seconds. 
.mon...w winds around 5 kt, becoming sw 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 6 seconds and
e 1 foot at 10 seconds. 
.mon night and tue...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
10 seconds. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 6 seconds and se 1 foot at 10 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas 2 to 3 ft. 
.thu and thu night...sw 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 090203
cwfbox
expires:202608091500;;856642

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz236-091500-
narragansett bay-
1003 pm edt sat aug 8 2026

.overnight...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers with a slight chance of tstms. patchy fog with vsby 1 to
3 nm. 
.sun...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. 
.sun night...w winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.mon...w winds around 5 kt, becoming sw 10 to 15 kt in the
afternoon. waves around 2 ft. 
.mon night and tue...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.tue night...w winds 5 to 10 kt. waves around 2 ft. 
.wed and wed night...w winds 5 to 10 kt. waves around 2 ft. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt. waves around 2 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 090203
cwfbox
expires:202608091500;;856630

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz250-091500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt sat aug 8 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 8 seconds. patchy fog. a
slight chance of showers and tstms. vsby 1 to 3 nm. 
.sun...w winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 3 seconds and e 1 foot at
9 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.sun night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and se 1 foot at
8 seconds. 
.mon...nw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 3 seconds and se 1 foot at
8 seconds. 
.mon night and tue...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 3 seconds and e 1 foot at 9 seconds. 
.tue night...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 4 seconds and e 1 foot at 10 seconds. 
.wed and wed night...n winds 5 to 10 kt, becoming sw. seas around
2 ft. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.thu night...sw winds around 10 kt with gusts up to 20 kt. seas
around 2 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 090203
cwfbox
expires:202608091500;;856633

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz254-091500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt sat aug 8 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
9 seconds. patchy fog. a slight chance of showers. vsby 1 nm or
less. 
.sun...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: w 3 ft at
6 seconds and e 1 foot at 9 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 3 ft at 6 seconds and e 1 foot at 9 seconds. patchy
fog in the evening with vsby 1 to 3 nm. 
.mon...w winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 6 seconds and e 1 foot at
9 seconds. 
.mon night and tue...sw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 5 seconds and e 1 foot at 8 seconds. 
.tue night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and e
1 foot at 9 seconds. 
.wed and wed night...nw winds 5 to 10 kt, becoming sw. seas 2 to
3 ft. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. a chance of showers. 
.thu night...sw 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 090203
cwfbox
expires:202608091500;;856634

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sat aug 8 2026

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


anz255-091500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt sat aug 8 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
9 seconds. patchy fog. a chance of showers. vsby 1 nm or less. 
.sun...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: sw 4 ft at 7 seconds and e 1 foot at
9 seconds. patchy fog. vsby 1 to 3 nm, decreasing to 1 nm or less
in the afternoon. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 4 ft. wave
detail: sw 4 ft at 7 seconds and e 1 foot at 9 seconds. patchy
fog. vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.mon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 6 seconds and e 1 foot at 9 seconds. 
.mon night through tue night...nw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and e
1 foot at 9 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 6 seconds and se 1 foot at 10 seconds. 
.thu and thu night...sw 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.

$$