fzus51 kbox 040804
cwfbox
expires:202609042100;;879309

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz231-042100-
cape cod bay-
403 am edt fri sep 4 2026

.today...nw winds around 5 kt, becoming ne around 5 kt this
afternoon. seas around 2 ft. wave detail: e 2 ft at 10 seconds
and sw 1 foot at 2 seconds. patchy fog this morning with vsby
1 nm or less. 
.tonight...s winds around 5 kt, becoming nw after midnight. seas
around 2 ft. wave detail: e 2 ft at 8 seconds and sw 1 foot at
4 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 8 seconds and ne 2 ft at 7 seconds. 
.sat night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 3 ft at 10 seconds and n 2 ft at
4 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 4 ft at 8 seconds and n 3 ft at 5 seconds. 
.sun night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 7 seconds. 
.mon through tue night...w 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 040804
cwfbox
expires:202609042100;;879313

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz232-042100-
nantucket sound-
403 am edt fri sep 4 2026

.today...nw winds 5 to 10 kt, becoming n this afternoon. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and se 1 foot at
7 seconds. patchy fog this morning with vsby 1 nm or less. 
.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas around 2 ft. wave detail: sw 1 foot at 4 seconds
and se 1 foot at 7 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: nw 2 ft at 3 seconds and e 2 ft at 7 seconds. 
.sat night...ne winds 15 to 20 kt. seas 2 to 3 ft. wave detail:
ne 3 ft at 4 seconds and w 1 foot at 6 seconds. 
.sun...n winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 3 ft at 4 seconds and e 2 ft at 8 seconds. 
.sun night...n 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: ne
2 ft at 3 seconds and e 2 ft at 8 seconds. 
.mon through tue night...w 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 040804
cwfbox
expires:202609042100;;879314

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz233-042100-
vineyard sound-
403 am edt fri sep 4 2026

.today...nw winds around 5 kt, becoming w this afternoon. seas
around 2 ft. wave detail: w 1 foot at 4 seconds and e 1 foot at
7 seconds. patchy fog this morning with vsby 1 to 3 nm. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: sw 1 foot at 5 seconds and se 1 foot at
7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: nw 1 foot at 4 seconds and se
1 foot at 8 seconds. 
.sat night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: ne 1 foot at 3 seconds
and s 1 foot at 7 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 3 seconds and sw 1 foot at
6 seconds. 
.sun night...n winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas around 2 ft in the evening, then 1 foot or less.
wave detail: ne 1 foot at 3 seconds and w 1 foot at 6 seconds,
becoming nw 1 foot at 4 seconds and ne 1 foot at 4 seconds. 
.mon through tue night...w 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 040804
cwfbox
expires:202609042100;;879315

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz234-042100-
buzzards bay-
403 am edt fri sep 4 2026

.today...nw winds around 5 kt, becoming sw this afternoon. seas
1 foot or less. wave detail: w 1 foot at 4 seconds and e 1 foot
at 7 seconds. patchy fog this morning with vsby 1 nm or less. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: sw
1 foot at 4 seconds and e 1 foot at 7 seconds, becoming nw 1 foot
at 5 seconds and e 1 foot at 7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: nw 1 foot at 4 seconds and e
1 foot at 7 seconds. 
.sat night...ne winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: ne 1 foot at 3 seconds
and sw 1 foot at 5 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 3 seconds and sw 1 foot at
6 seconds. 
.sun night...n winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: ne 1 foot at 3 seconds and w
1 foot at 6 seconds, becoming ne 1 foot at 3 seconds and nw
1 foot at 5 seconds. 
.mon through tue night...w winds 5 to 10 kt. seas 1 foot or less.
 

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 040804
cwfbox
expires:202609042100;;879316

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz235-042100-
rhode island sound-
403 am edt fri sep 4 2026

.today...nw winds 5 to 10 kt, becoming sw this afternoon. seas
around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot at
4 seconds. patchy fog this morning with vsby 1 to 3 nm. 
.tonight...w winds around 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft at
7 seconds. 
.sat...n winds 10 to 15 kt. seas around 2 ft. wave detail: nw
2 ft at 4 seconds and se 2 ft at 8 seconds. 
.sat night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: ne 2 ft at 3 seconds and s
1 foot at 7 seconds. 
.sun...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 3 seconds and s 1 foot at
7 seconds. 
.sun night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 2 ft at 4 seconds and s 1 foot at 7 seconds. 
.mon through tue night...se winds 10 to 15 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 040804
cwfbox
expires:202609042100;;879319

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz236-042100-
narragansett bay-
403 am edt fri sep 4 2026

.today...nw winds 5 to 10 kt. waves around 2 ft. patchy fog this
morning with vsby 1 to 3 nm. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. 
.sat...n winds 5 to 10 kt. waves around 2 ft. 
.sat night...ne winds 5 to 10 kt. waves around 2 ft. 
.sun...n winds 10 to 15 kt. waves around 2 ft. 
.sun night...nw winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.mon through tue night...nw winds 5 to 10 kt. waves 1 foot or
less.  

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 040804
cwfbox
expires:202609042100;;879307

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz250-042100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt fri sep 4 2026

.today...nw winds around 5 kt, becoming e around 5 kt this
afternoon. seas 2 to 3 ft. wave detail: e 3 ft at 8 seconds and
sw 1 foot at 4 seconds. patchy fog this morning with vsby 1 nm or
less. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds and sw 1 foot at
5 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 3 ft at 7 seconds and nw 2 ft at 3 seconds.
.sat night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail:
ne 4 ft at 7 seconds and se 4 ft at 9 seconds. 
.sun...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: ne
5 ft at 8 seconds and w 2 ft at 7 seconds. 
.sun night...nw winds 5 to 10 kt. seas 3 to 5 ft. wave detail: ne
5 ft at 9 seconds and sw 1 foot at 6 seconds. 
.mon and mon night...nw winds 5 to 10 kt, becoming w. seas 2 to
4 ft. 
.tue and tue 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 040804
cwfbox
expires:202609042100;;879310

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz254-042100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 am edt fri sep 4 2026

.today...n winds around 5 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 7 seconds and se 3 ft at 8 seconds. patchy fog. vsby 1 nm or
less. 
.tonight...sw winds around 5 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: e 2 ft at 7 seconds and sw 1 foot at
4 seconds. patchy fog. vsby 1 to 3 nm. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: n 3 ft at 5 seconds and e 3 ft at 7 seconds. 
.sat night...ne winds around 15 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: ne 5 ft at 7 seconds and e 5 ft at
9 seconds. 
.sun and sun night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: ne 6 ft at 9 seconds and sw 1 foot
at 6 seconds. 
.mon...nw winds 10 to 15 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 6 seconds and ne 5 ft at 9 seconds. 
.mon night through tue night...nw winds 5 to 10 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 040804
cwfbox
expires:202609042100;;879311

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt fri sep 4 2026

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


anz255-042100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt fri sep 4 2026

.today...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and se 2 ft at 7 seconds. patchy fog this
morning. a slight chance of showers this morning with vsby 1 to
3 nm. 
.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and
se 2 ft at 7 seconds. 
.sat...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: nw 2 ft at 4 seconds and e 2 ft at
7 seconds. 
.sat night...ne winds 15 to 20 kt. seas 3 to 4 ft. wave detail:
ne 3 ft at 4 seconds and e 3 ft at 8 seconds. 
.sun...n winds 15 to 20 kt. seas 3 to 5 ft. wave detail: ne 4 ft
at 5 seconds and e 4 ft at 8 seconds. 
.sun night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. wave detail: e 4 ft at 8 seconds and n
3 ft at 4 seconds. 
.mon through tue night...w 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.

$$