fzus51 kbox 220805
cwfbox
expires:202608222100;;155821

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz231-222100-
cape cod bay-
405 am edt sat aug 22 2026

.today...ne winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt this afternoon. seas around 2 ft. wave detail: ne 2 ft
at 3 seconds and n 2 ft at 4 seconds. a slight chance of showers.
patchy fog this afternoon with vsby 1 nm or less. 
.tonight...n winds around 5 kt, becoming ne after midnight. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and s 1 foot at
5 seconds. patchy fog. showers likely after midnight. vsby 1 nm
or less, increasing to 1 to 3 nm after midnight. 
.sun...se winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 4 seconds and e 1 foot at
8 seconds. showers likely, mainly in the morning. patchy fog in
the morning with vsby 1 to 3 nm.
.sun night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: s 1 foot at 2 seconds
and n 1 foot at 4 seconds, becoming sw 1 foot at 3 seconds and ne
1 foot at 4 seconds. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 1 foot at 2 seconds and ne 1 foot
at 4 seconds. 
.tue through wed night...sw winds 5 to 10 kt with gusts up to
20 kt. seas around 2 ft. wave detail: se 2 ft at 6 seconds and w
1 foot at 2 seconds.  

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 220805
cwfbox
expires:202608222100;;155825

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz232-222100-
nantucket sound-
405 am edt sat aug 22 2026

.today...ne winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt this afternoon. seas 2 to 3 ft. wave detail: n 2 ft at
4 seconds and s 1 foot at 5 seconds. patchy fog. a slight chance
of showers. vsby 1 to 3 nm. 
.tonight...ne winds around 5 kt, becoming e after midnight. seas
around 2 ft. wave detail: n 1 foot at 2 seconds and e 1 foot at
5 seconds. patchy fog. showers likely after midnight. vsby 1 to
3 nm. 
.sun...s winds 10 to 15 kt. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and n 1 foot at 4 seconds. a chance of showers.
patchy fog in the morning with vsby 1 to 3 nm. 
.sun night...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 3 seconds and e 1 foot at 5 seconds. 
.mon and mon night...w 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
6 seconds. 
.tue through wed night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and w
2 ft at 3 seconds.  

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 220805
cwfbox
expires:202608222100;;155826

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz233-222100-
vineyard sound-
405 am edt sat aug 22 2026

.today...ne winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt this afternoon. seas around 2 ft. wave detail: n 2 ft
at 4 seconds and s 1 foot at 6 seconds. patchy fog this
afternoon. a slight chance of showers this afternoon with vsby
1 to 3 nm. 
.tonight...ne winds 5 to 10 kt. seas 1 foot or less. wave detail:
n 1 foot at 3 seconds and s 1 foot at 5 seconds. patchy fog. a
chance of showers in the evening, then showers likely after
midnight. vsby 1 to 3 nm in the evening. 
.sun...se winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 4 seconds and n 1 foot at
4 seconds. showers likely, mainly in the morning. patchy fog in
the morning with vsby 1 to 3 nm. 
.sun night...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and se 2 ft at 8 seconds. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and sw 2 ft at
3 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: se 3 ft at 6 seconds and w 2 ft at
3 seconds. 
.wed and wed night...sw 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 220805
cwfbox
expires:202608222100;;155827

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz234-222100-
buzzards bay-
405 am edt sat aug 22 2026

.today...ne winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt this afternoon. seas around 2 ft. wave detail: n 2 ft
at 4 seconds and s 1 foot at 6 seconds. a slight chance of
showers. patchy fog this afternoon with vsby 1 to 3 nm. 
.tonight...ne winds 5 to 10 kt. seas 1 foot or less. wave detail:
n 1 foot at 2 seconds and s 1 foot at 5 seconds. patchy fog. a
chance of showers in the evening. showers likely after midnight.
vsby 1 to 3 nm. 
.sun...se winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: se 1 foot at 3 seconds and n
1 foot at 4 seconds, becoming se 2 ft at 4 seconds and nw 1 foot
at 4 seconds. showers likely, mainly in the morning. 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,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and e 1 foot at 4 seconds. 
.mon and mon night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
5 seconds. 
.tue through wed...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and w 2 ft at
3 seconds. 
.wed night...sw 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 220805
cwfbox
expires:202608222100;;155828

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz235-222100-
rhode island sound-
405 am edt sat aug 22 2026

.today...n winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. seas 2 to 3 ft. wave detail: n 3 ft
at 4 seconds and s 1 foot at 5 seconds. patchy fog this
afternoon. a slight chance of showers this afternoon. 
.tonight...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. patchy fog. a
chance of showers in the evening, then showers likely after
midnight. vsby 1 to 3 nm in the evening. 
.sun...se winds around 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 4 seconds and n 1 foot at
4 seconds. patchy fog in the morning. showers likely in the
morning with vsby 1 to 3 nm.
.sun night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 4 seconds and se 2 ft at 8 seconds. 
.mon and mon night...w 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 sw 1 foot
at 3 seconds. 
.tue through wed night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and w
2 ft at 4 seconds.  

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 220805
cwfbox
expires:202608222100;;155831

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz236-222100-
narragansett bay-
405 am edt sat aug 22 2026

.today...n winds 5 to 10 kt. waves around 2 ft. patchy fog this
afternoon. a slight chance of showers this afternoon with vsby
1 to 3 nm. 
.tonight...ne winds 5 to 10 kt. waves 1 foot or less. patchy fog.
showers likely after midnight. vsby 1 to 3 nm in the evening. 
.sun...e winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. patchy fog in
the morning. showers likely in the morning with vsby 1 to 3 nm. 
.sun night...sw winds 5 to 10 kt. waves around 2 ft. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 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 220805
cwfbox
expires:202608222100;;155819

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz250-222100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt sat aug 22 2026

.today...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 6 seconds and n 1 foot at 3 seconds.
a chance of showers. patchy fog this afternoon with vsby 1 nm or
less. 
.tonight...n winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: e 3 ft at 6 seconds and n 1 foot at
3 seconds. patchy fog. a chance of showers after midnight. vsby
1 nm or less, increasing to 1 to 3 nm after midnight. 
.sun...se winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 5 seconds and se 1 foot at
5 seconds. showers likely, mainly in the morning. patchy fog in
the morning with vsby 1 to 3 nm. 
.sun night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds and se 1 foot at 12 seconds. 
.mon and mon night...sw 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 se 3 ft at
7 seconds. 
.tue through wed night...sw winds 5 to 10 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 9 seconds and sw 2 ft at 4 seconds.  

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 220805
cwfbox
expires:202608222100;;155822

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz254-222100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 am edt sat aug 22 2026

.today...ne winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt this afternoon. seas 2 to 4 ft. wave detail: n 3 ft at
4 seconds and e 2 ft at 8 seconds. patchy fog. a slight chance of
showers. vsby 1 nm or less. 
.tonight...w winds around 5 kt, becoming se after midnight. seas
2 to 3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at
5 seconds. patchy fog. a chance of showers in the evening, then
showers likely after midnight. vsby 1 nm or less, increasing to
1 to 3 nm after midnight. 
.sun...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 4 seconds and ne 2 ft at 4 seconds. showers likely, mainly in
the morning. patchy fog in the morning with vsby 1 to 3 nm. 
.sun night...s winds around 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 7 seconds and w 1 foot at 3 seconds. 
.mon and 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 6 seconds and w 1 foot at
3 seconds. 
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and w
2 ft at 4 seconds.  

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 220805
cwfbox
expires:202608222100;;155823

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt sat aug 22 2026

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


anz255-222100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt sat aug 22 2026

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

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.

$$