fzus51 kbox 232004
cwfbox
expires:202608240900;;241953

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz230-240900-
boston harbor-
404 pm edt sun aug 23 2026

.tonight...s winds around 5 kt. waves around 2 ft. 
.mon...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.mon night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft in the evening, then 1 foot or less. 
.tue...sw winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. 
.tue night...w winds 5 to 10 kt. waves 1 foot or less. 
.wed and wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.thu night...s winds 10 to 15 kt. waves around 2 ft. a chance of
showers. 
.fri and fri night...s winds 5 to 10 kt, becoming sw. waves
1 foot or less. 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 232004
cwfbox
expires:202608240900;;241944

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz231-240900-
cape cod bay-
404 pm edt sun aug 23 2026

.tonight...sw winds 5 to 10 kt. gusts up to 20 kt this evening.
seas around 2 ft. wave detail: sw 1 foot at 3 seconds and n
1 foot at 5 seconds. areas of dense fog after midnight with vsby
1 nm or less. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and ne 1 foot at 4 seconds. areas of dense fog
in the morning with vsby 1 nm or less. 
.mon night...sw 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: sw 2 ft at 3 seconds and e 1 foot at 6 seconds. 
.tue...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.tue night...w winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. wave detail: s 1 foot at 4 seconds and se
1 foot at 11 seconds, becoming w 1 foot at 2 seconds and s 1 foot
at 3 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 3 seconds and se 1 foot at 6 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas around
2 ft. 
.thu night and fri...s winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.fri night...sw 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 232004
cwfbox
expires:202608240900;;241948

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz232-240900-
nantucket sound-
404 pm edt sun aug 23 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 4 seconds and e 1 foot at
5 seconds. a slight chance of showers this evening. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and se 1 foot at
6 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se
1 foot at 6 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and
se 2 ft at 6 seconds. 
.tue night through wed night...sw winds 15 to 20 kt. seas 2 to
3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at 6 seconds. 
.thu...s winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 9 seconds. 
.thu night and fri...s winds 10 to 15 kt. gusts up to 20 kt. seas
around 2 ft. a chance of showers. 
.fri night...sw 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 232004
cwfbox
expires:202608240900;;241949

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz233-240900-
vineyard sound-
404 pm edt sun aug 23 2026

.tonight...sw winds around 10 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: s 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 4 seconds and se 2 ft at 7 seconds.
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and s
2 ft at 7 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 1 foot at 11 seconds. 
.tue night through wed night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and se
1 foot at 11 seconds. 
.thu...s winds 10 to 15 kt. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 8 seconds. 
.thu night...s winds around 10 kt. seas around 2 ft. a chance of
showers. 
.fri...s winds 10 to 15 kt. seas around 2 ft. a chance of
showers. 
.fri night...sw 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 232004
cwfbox
expires:202608240900;;241950

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz234-240900-
buzzards bay-
404 pm edt sun aug 23 2026

.tonight...sw winds 5 to 10 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: s 1 foot at 3 seconds and e 1 foot at
8 seconds. areas of dense fog after midnight with vsby 1 nm or
less. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and s 2 ft at 6 seconds. areas of dense fog in
the morning with vsby 1 nm or less. 
.mon night...sw 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: s 2 ft at 5 seconds and se 1 foot at 11 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 5 seconds and se 1 foot at 11 seconds. 
.tue night...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: s 3 ft at 5 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: s 2 ft at 6 seconds and se 1 foot
at 10 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.thu night and fri...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. a chance of showers. 
.fri night...sw 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 232004
cwfbox
expires:202608240900;;241951

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz235-240900-
rhode island sound-
404 pm edt sun aug 23 2026

.tonight...sw winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. gusts up to 20 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and sw 1 foot at 3 seconds. 
.mon...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: s 3 ft
at 7 seconds and w 1 foot at 3 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and w
1 foot at 4 seconds. 
.tue...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and
se 1 foot at 11 seconds.
.tue night...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 5 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and se 2 ft at 9 seconds. 
.thu...s winds 10 to 15 kt. seas 2 to 3 ft. 
.thu night...s winds 10 to 15 kt. seas 2 to 3 ft. a chance of
showers. 
.fri...s winds around 10 kt. seas 2 to 3 ft. a chance of showers.
.fri 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 232004
cwfbox
expires:202608240900;;241954

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz236-240900-
narragansett bay-
404 pm edt sun aug 23 2026

.tonight...sw winds 5 to 10 kt. waves around 2 ft. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.mon night...sw winds 5 to 10 kt. gusts up to 20 kt in the
evening. waves around 2 ft. 
.tue...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft. 
.wed and wed night...sw winds 5 to 10 kt. waves around 2 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.thu night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.fri...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.fri night...w winds 5 to 10 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 232004
cwfbox
expires:202608240900;;241952

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz237-240900-
block island sound-
404 pm edt sun aug 23 2026

.tonight...sw winds 5 to 10 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.mon...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: se
3 ft at 7 seconds and w 1 foot at 3 seconds. 
.mon 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: se 3 ft at 7 seconds and w 1 foot at 3 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and se 2 ft at
7 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: s 2 ft
at 6 seconds and w 1 foot at 3 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 5 seconds and se 2 ft at 10 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. 
.thu night and fri...s winds 5 to 10 kt. seas 2 to 3 ft. a chance
of showers. 
.fri 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 232004
cwfbox
expires:202608240900;;241942

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz250-240900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt sun aug 23 2026

.tonight...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 7 seconds and s 2 ft at 3 seconds. a
slight chance of showers this evening. 
.mon...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and sw 2 ft at 4 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and se
2 ft at 6 seconds. 
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 6 seconds and sw 1 foot at 3 seconds. 
.tue night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
2 ft at 4 seconds and se 1 foot at 11 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 10 seconds and w 1 foot at 3 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.thu night and fri...s winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.fri night...sw 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 232004
cwfbox
expires:202608240900;;241945

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz254-240900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 pm edt sun aug 23 2026

.tonight...s winds around 10 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: se 3 ft at 7 seconds and w 1 foot at
3 seconds. a slight chance of showers this evening. areas of fog
after midnight. 
.mon...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: se 3 ft at 7 seconds and sw 1 foot
at 3 seconds. 
.mon night...sw winds around 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and w
1 foot at 3 seconds. patchy fog. vsby 1 to 3 nm. 
.tue...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: w 2 ft
at 4 seconds and s 2 ft at 6 seconds. 
.tue night through wed night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: se 3 ft at 10 seconds and
w 2 ft at 4 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds and w 1 foot at 3 seconds. 
.thu night and fri...s winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.fri night...sw 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 232004
cwfbox
expires:202608240900;;241946

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun aug 23 2026

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


anz255-240900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 pm edt sun aug 23 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: se 4 ft at 7 seconds and w 1 foot at
3 seconds. a slight chance of showers this evening. 
.mon...sw winds around 10 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: se 4 ft at 7 seconds and w 2 ft at
4 seconds. 
.mon night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 6 seconds and w 1 foot at 4 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot
at 11 seconds. 
.tue night through wed night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and
se 3 ft at 9 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 2 ft at
7 seconds and w 1 foot at 4 seconds. 
.thu night and fri...s winds 10 to 15 kt. seas 2 to 3 ft. a
chance of showers. 
.fri night...sw 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 kgyx 232102
cwfgyx
expires:202608241000;;244350

coastal waters forecast
national weather service gray me
502 pm edt sun aug 23 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-241000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt sun aug 23 2026

.tonight...se winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: e 2 ft at 6 seconds. a slight chance of
showers and tstms this evening. patchy dense fog. vsby 1 nm or less.
.mon...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft at
7 seconds. patchy dense fog in the morning with vsby 1 nm or less. 
.mon night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds. 
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft at
6 seconds. 
.tue night...w winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 3 seconds and se 2 ft at 6 seconds.
.wed...w winds around 5 kt, becoming s in the afternoon. seas around
2 ft. wave detail: s 2 ft at 3 seconds and se 2 ft at 6 seconds. 
.wed night...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. 
.thu...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up to
20 kt in the afternoon. seas 2 to 3 ft. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.fri night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. a chance of showers in the evening.  

winds and seas higher in and near tstms.

$$