fzus51 kbox 092003
cwfbox
expires:202608100900;;898622

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz231-100900-
cape cod bay-
403 pm edt sun aug 9 2026

.tonight...w winds 5 to 10 kt. seas around 2 ft this evening,
then 1 foot or less. wave detail: w 1 foot at 2 seconds and e
1 foot at 8 seconds, becoming w 1 foot at 3 seconds and se 1 foot
at 9 seconds. 
.mon...w winds around 5 kt, becoming s with gusts up to 20 kt in
the afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: w 1 foot at 3 seconds and se 1 foot at
8 seconds, becoming sw 1 foot at 3 seconds and se 1 foot at
8 seconds. 
.mon night...sw winds around 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: sw 1 foot at 2 seconds
and e 1 foot at 9 seconds. 
.tue...w winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: w 1 foot at 2 seconds and e 1 foot
at 10 seconds, becoming w 1 foot at 3 seconds and e 1 foot at
9 seconds. 
.tue night...nw winds 5 to 10 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...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: nw 1 foot at 3 seconds and ne 1 foot at 8 seconds. 
.thu and thu night...sw winds 5 to 10 kt, becoming w. gusts up to
20 kt. seas around 2 ft. a chance of showers. 
.fri and fri night...nw winds 5 to 10 kt. 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 092003
cwfbox
expires:202608100900;;898626

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz232-100900-
nantucket sound-
403 pm edt sun aug 9 2026

.tonight...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: w 2 ft at 4 seconds and se 1 foot at 8 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...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and e 1 foot at 8 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: w 2 ft at 4 seconds and e 1 foot
at 8 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...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 5 seconds and e 1 foot at 9 seconds. 
.thu and thu night...sw winds 10 to 15 kt, becoming w. gusts up
to 20 kt. seas 2 to 3 ft. a chance of showers. 
.fri and fri 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 092003
cwfbox
expires:202608100900;;898627

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz233-100900-
vineyard sound-
403 pm edt sun aug 9 2026

.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: sw 3 ft at 6 seconds and se 1 foot at 7 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...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 6 seconds and se 1 foot at 9 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: sw 2 ft at 6 seconds and se 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: sw
2 ft at 6 seconds and se 1 foot at 11 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and se 1 foot at
13 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. a chance of
showers after midnight. 
.thu and thu night...sw winds 10 to 15 kt, becoming w. gusts up
to 20 kt. seas 2 to 3 ft. a chance of showers. 
.fri and fri 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 092003
cwfbox
expires:202608100900;;898628

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz234-100900-
buzzards bay-
403 pm edt sun aug 9 2026

.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw around 5 kt after midnight. seas around 2 ft. wave detail: sw
2 ft at 6 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 se 1 foot at 10 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: sw 2 ft at 5 seconds and
se 2 ft at 9 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot
at 10 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...nw winds around 5 kt, becoming s 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 se 1 foot at 13 seconds. 
.wed night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. a chance of showers after
midnight. 
.thu and thu night...sw winds 10 to 15 kt, becoming w. gusts up
to 25 kt. seas 2 to 4 ft. a chance of showers. 
.fri and fri 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 092003
cwfbox
expires:202608100900;;898629

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz235-100900-
rhode island sound-
403 pm edt sun aug 9 2026

.tonight...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: s 3 ft
at 7 seconds. 
.mon...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 6 seconds and se 1 foot at 10 seconds. 
.mon night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and se 3 ft at 10 seconds. patchy fog in the
evening with vsby 1 nm or less. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and se 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...n winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and se 1 foot at
14 seconds. 
.wed night...sw winds around 10 kt. seas around 2 ft. a chance of
showers after midnight. 
.thu and thu night...sw winds 10 to 15 kt, becoming w. gusts up
to 20 kt. seas 2 to 3 ft. a chance of showers. 
.fri and fri 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 092003
cwfbox
expires:202608100900;;898632

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz236-100900-
narragansett bay-
403 pm edt sun aug 9 2026

.tonight...w winds 5 to 10 kt. waves around 2 ft. 
.mon...w winds around 5 kt, becoming s 10 to 15 kt in the
afternoon. waves around 2 ft. 
.mon night...sw winds around 10 kt, becoming w after midnight.
waves around 2 ft. 
.tue...w winds 5 to 10 kt. waves around 2 ft. 
.tue night...nw winds 5 to 10 kt. waves around 2 ft. 
.wed...nw winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. 
.wed night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers after midnight. 
.thu and thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w. waves around 2 ft. a chance of showers. 
.fri and fri night...nw winds 5 to 10 kt. gusts up to 20 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 092003
cwfbox
expires:202608100900;;898620

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz250-100900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt sun aug 9 2026

.tonight...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 3 seconds and se 1 foot at 8 seconds. 
.mon...w winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
sw 1 foot at 3 seconds and se 1 foot at 8 seconds, becoming s
1 foot at 3 seconds and se 1 foot at 8 seconds. 
.mon night...s winds 10 to 15 kt, becoming sw after midnight.
gusts up to 20 kt. seas around 2 ft. wave detail: s 2 ft at
3 seconds and e 1 foot at 8 seconds. 
.tue...w winds 5 to 10 kt. gusts up to 20 kt in the morning. seas
around 2 ft. wave detail: w 2 ft at 4 seconds and se 1 foot at
9 seconds. 
.tue night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
w 1 foot at 4 seconds and se 1 foot at 10 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 9 seconds and nw 1 foot at 4 seconds. 
.thu and thu night...sw winds 5 to 10 kt, becoming w 10 to 15 kt
with gusts up to 20 kt. seas 2 to 3 ft. a chance of showers. 
.fri and fri 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 092003
cwfbox
expires:202608100900;;898623

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz254-100900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt sun aug 9 2026

.tonight...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. 
.mon...w winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 6 seconds and e 1 foot at
9 seconds. patchy fog in the afternoon with vsby 1 nm or less. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 3 ft at 5 seconds and e 1 foot at
8 seconds. patchy fog. vsby 1 nm or less. 
.tue...w winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 6 seconds and e
1 foot at 9 seconds. 
.tue night...w winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: w 2 ft at 5 seconds and e 1 foot at
9 seconds. 
.wed and wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 5 seconds and e 2 ft at 9 seconds. 
.thu and thu night...sw winds 10 to 15 kt, becoming w. gusts up
to 20 kt. seas 2 to 3 ft. a chance of showers. 
.fri and fri 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 092003
cwfbox
expires:202608100900;;898624

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun aug 9 2026

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


anz255-100900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt sun aug 9 2026

.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: sw 3 ft at 6 seconds and e 1 foot at 9 seconds. patchy
fog after midnight with vsby 1 to 3 nm. 
.mon...sw winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and
e 1 foot at 9 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and e
1 foot at 8 seconds. patchy fog. vsby 1 nm or less. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and e 1 foot at
9 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.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 e 1 foot at 9 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 6 seconds and e 1 foot at
9 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers after midnight. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. a chance of showers. 
.thu night...w winds around 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of showers. 
.fri and fri night...nw winds 10 to 15 kt with gusts up 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.

$$