fzus51 kbox 040837
cwfbox
expires:202607042145;;387262

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz231-042145-
cape cod bay-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt, becoming sw this afternoon. seas
1 foot or less. wave detail: nw 1 foot at 3 seconds and s 1 foot
at 5 seconds. a chance of showers with a slight chance of tstms
this afternoon. 
.tonight...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 n 1 foot at 3 seconds, becoming n 1 foot
at 3 seconds and s 1 foot at 5 seconds. a chance of showers in
the evening. 
.sun...ne winds 5 to 10 kt. 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, becoming ne 1 foot at 3 seconds and s 1 foot at
7 seconds. 
.sun night...se winds around 5 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and nw 1 foot at 3 seconds. 
.mon...se winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 2 seconds and n 1 foot at 3 seconds. scattered showers
in the morning, then numerous showers in the afternoon. 
.mon night...e winds 5 to 10 kt. seas around 2 ft. wave detail:
se 1 foot at 3 seconds and se 1 foot at 11 seconds. numerous
showers. 
.tue...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. numerous showers. 
.tue night and wed...ne winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.wed night...s winds 5 to 10 kt. seas around 2 ft. 

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 040837
cwfbox
expires:202607042145;;387266

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz232-042145-
nantucket sound-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt. gusts up to 20 kt this afternoon.
seas 2 to 3 ft. wave detail: sw 1 foot at 4 seconds and se 1 foot
at 9 seconds. a chance of showers with a slight chance of tstms
this afternoon. 
.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming n
after midnight. seas around 2 ft. wave detail: n 1 foot at
3 seconds and sw 1 foot at 4 seconds. a chance of showers. 
.sun...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and sw 1 foot at 5 seconds. 
.sun night...e winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: e 1 foot at 2 seconds and sw
1 foot at 5 seconds, becoming e 1 foot at 3 seconds and nw 1 foot
at 4 seconds. a chance of showers after midnight. 
.mon...e winds around 10 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 1 foot at 3 seconds and e 1 foot at
3 seconds. scattered showers in the morning, then numerous
showers in the afternoon. 
.mon night...e winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 2 ft at 4 seconds and se 1 foot at
10 seconds. widespread showers. a chance of tstms after midnight.
.tue...e winds around 15 kt with gusts up to 20 kt. seas 2 to
3 ft. numerous showers with a chance of tstms. 
.tue night and wed...ne winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 3 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft.  

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 040837
cwfbox
expires:202607042145;;387267

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz233-042145-
vineyard sound-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts
up to 20 kt this afternoon. seas 2 to 3 ft. wave detail: sw 2 ft
at 5 seconds and nw 1 foot at 2 seconds. a chance of showers with
a slight chance of tstms this afternoon. 
.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming nw
after midnight. seas around 2 ft. wave detail: w 2 ft at
4 seconds and n 1 foot at 2 seconds. a chance of showers. 
.sun...e winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 6 seconds and ne 1 foot at 2 seconds. 
.sun night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 2 seconds and sw 1 foot at 6 seconds. a chance of
showers after midnight. 
.mon...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 1 foot at 2 seconds and n 1 foot at
3 seconds. scattered showers in the morning, then numerous
showers in the afternoon. 
.mon night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 2 ft at 4 seconds and s
1 foot at 10 seconds. widespread showers with a chance of tstms. 
.tue...e winds 15 to 20 kt. seas 2 to 3 ft. widespread showers
with a chance of tstms. 
.tue night and wed...ne winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 3 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. seas around 2 ft. 

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 040837
cwfbox
expires:202607042145;;387268

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz234-042145-
buzzards bay-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt. gusts up to 20 kt this afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and nw 1 foot
at 2 seconds. a chance of showers and tstms this afternoon. 
.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming n
after midnight. seas around 2 ft. wave detail: w 2 ft at
4 seconds and se 1 foot at 9 seconds. a chance of showers. a
chance of tstms in the evening. 
.sun...e winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: n 1 foot at 3 seconds and sw
1 foot at 5 seconds, becoming e 1 foot at 2 seconds and w 1 foot
at 5 seconds. 
.sun night...e winds 5 to 10 kt. seas 1 foot or less. wave
detail: e 1 foot at 2 seconds and s 1 foot at 5 seconds. a chance
of showers after midnight. 
.mon...e winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: e 1 foot at 2 seconds and n 1 foot
at 3 seconds. scattered showers in the morning, then numerous
showers in the afternoon. 
.mon night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: e 1 foot at 2 seconds and
s 1 foot at 5 seconds. widespread showers with a chance of tstms.
.tue...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. numerous showers with a chance of tstms. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. a chance of showers. 
.wed and wed night...ne winds around 10 kt, becoming s. seas
around 2 ft.  

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 040837
cwfbox
expires:202607042145;;387269

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz235-042145-
rhode island sound-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt, becoming sw 10 to 15 kt this
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and w 1 foot at 2 seconds. a chance of showers
and tstms this afternoon. 
.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: sw
3 ft at 4 seconds and n 1 foot at 2 seconds. a chance of showers.
a chance of tstms in the evening. 
.sun...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
3 seconds. 
.sun night...e winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and e 1 foot at 3 seconds. a chance of
showers. 
.mon...e 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 n 1 foot at 3 seconds.
numerous showers. 
.mon night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and se
1 foot at 10 seconds. widespread showers with a chance of tstms. 
.tue...e winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. widespread showers with a chance of tstms. 
.tue night and wed...ne winds 10 to 15 kt. gusts up to 20 kt.
seas 2 to 3 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft.  

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 040837
cwfbox
expires:202607042145;;387272

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz236-042145-
narragansett bay-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt. gusts up to 20 kt this afternoon.
waves around 2 ft. a chance of showers and tstms this afternoon. 
.tonight...w winds 5 to 10 kt, becoming nw after midnight. waves
around 2 ft. a chance of showers. a chance of tstms in the
evening. 
.sun...e winds 5 to 10 kt. waves 1 foot or less, then around 2 ft
in the afternoon. 
.sun night...e winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. a chance of showers after midnight.
.mon...e winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. scattered showers in the morning, then
numerous showers in the afternoon. 
.mon night...e winds around 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. widespread showers with a chance of
tstms. 
.tue...e winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. numerous showers. 
.tue night through wed night...sw winds 10 to 15 kt. waves around
2 ft.  

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 040837
cwfbox
expires:202607042145;;387260

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz250-042145-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt. seas around 2 ft. wave detail: w
1 foot at 3 seconds and se 1 foot at 4 seconds. a chance of
showers with a slight chance of tstms this afternoon. 
.tonight...w winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: nw 1 foot at 3 seconds and s 1 foot at
4 seconds. 
.sun...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot at
4 seconds. 
.sun night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
n 1 foot at 3 seconds and s 1 foot at 5 seconds. 
.mon...se winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 2 seconds and se 1 foot at 3 seconds. scattered showers
in the afternoon. 
.mon night...se winds 5 to 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 3 seconds and
se 1 foot at 10 seconds. scattered showers in the evening.
numerous showers after midnight. 
.tue...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. scattered showers. 
.tue night...ne winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers. 
.wed and wed night...ne winds 5 to 10 kt, becoming s. seas 3 to
5 ft.  

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 040837
cwfbox
expires:202607042145;;387263

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz254-042145-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
437 am edt sat jul 4 2026

.today...w winds 5 to 10 kt. gusts up to 20 kt this afternoon.
seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds and nw 1 foot at
3 seconds. a slight chance of showers this afternoon. 
.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming n
after midnight. 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
evening. 
.sun...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and s 1 foot at 5 seconds. 
.sun night...e winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and s 1 foot at 5 seconds. a chance of
showers after midnight. 
.mon...e winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: n 1 foot at 3 seconds and se
1 foot at 4 seconds. scattered showers in the morning, then
numerous showers in the afternoon. 
.mon night...e winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 3 ft at 5 seconds and se 1 foot at
10 seconds. numerous showers. 
.tue...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. numerous showers. 
.tue night and wed...ne winds 10 to 15 kt, diminishing to 5 to
10 kt. seas 3 to 5 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. seas 3 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 040837
cwfbox
expires:202607042145;;387264

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
437 am edt sat jul 4 2026

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


anz255-042145-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
437 am edt sat jul 4 2026

.today...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: w 2 ft at 4 seconds and se 1 foot at
9 seconds. a slight chance of showers this afternoon. 
.tonight...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. gusts up to 20 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 4 seconds and n 1 foot at 2 seconds. a chance of showers. 
.sun...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 5 seconds and n 1 foot at 3 seconds. 
.sun night...e winds around 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 6 seconds and e 1 foot at 3 seconds. a chance of
showers. 
.mon...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 2 ft at 3 seconds and n 1 foot at 4 seconds.
scattered showers in the morning, then numerous showers in the
afternoon. 
.mon night...e winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 3 ft at 5 seconds and se 1 foot at
10 seconds. widespread showers. a chance of tstms after midnight.
.tue...e winds 15 to 20 kt. seas 3 to 4 ft. widespread showers
with a chance of tstms. 
.tue night and wed...ne winds 10 to 15 kt. gusts up to 20 kt.
seas 3 to 4 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. seas 2 to 4 ft.  

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.

$$