fzus51 kbox 231705
cwfbox
expires:202608240600;;233038

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

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


anz231-240600-
cape cod bay-
105 pm edt sun aug 23 2026

.this afternoon...se winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 2 seconds and n 1 foot at 4 seconds. patchy
fog. showers with isolated tstms. some tstms may produce heavy
rainfall. vsby 1 to 3 nm. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and n 1 foot at 5 seconds. patchy fog after
midnight. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. 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. 
.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 1 foot at 3 seconds and e 1 foot at 7 seconds. 
.tue and tue night...w winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and w 1 foot at
2 seconds. 
.wed through thu...s winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and se 2 ft
at 13 seconds. 
.thu night...s winds 5 to 10 kt. seas around 2 ft. a chance of
showers.  

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 231705
cwfbox
expires:202608240600;;233042

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

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


anz232-240600-
nantucket sound-
105 pm edt sun aug 23 2026

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: s 1 foot at 3 seconds and nw 1 foot at 4 seconds. showers
with isolated tstms. some tstms may produce heavy rainfall. 
.tonight...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 e 1 foot at
5 seconds. patchy fog after midnight. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 7 seconds and sw 1 foot at
2 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: se 2 ft at 6 seconds and
w 1 foot at 3 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and w 2 ft at
3 seconds. 
.wed through thu...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: w 2 ft at 3 seconds and sw 2 ft at
4 seconds. 
.thu night...s winds around 10 kt. seas around 2 ft. a chance of
showers.  

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 231705
cwfbox
expires:202608240600;;233043

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

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


anz233-240600-
vineyard sound-
105 pm edt sun aug 23 2026

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 4 seconds and s 1 foot at 4 seconds. showers
with isolated tstms. some tstms may produce heavy rainfall. 
.tonight...sw winds around 10 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and sw 1 foot at
2 seconds. 
.mon...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and w 2 ft 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: sw 3 ft at 6 seconds and sw
2 ft at 4 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and sw 3 ft at
4 seconds. 
.wed through thu...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and e 1 foot
at 6 seconds. 
.thu night...s winds around 10 kt. seas around 2 ft. a chance of
showers.  

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 231705
cwfbox
expires:202608240600;;233044

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

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


anz234-240600-
buzzards bay-
105 pm edt sun aug 23 2026

.this afternoon...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: nw 1 foot at 4 seconds and s 1 foot at 4 seconds. showers
with isolated tstms. some tstms may produce heavy rainfall. 
.tonight...sw winds 5 to 10 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 1 foot at 3 seconds and e 1 foot at
5 seconds. 
.mon...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 20 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and sw 2 ft at 5 seconds. 
.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 5 seconds and e 1 foot at 7 seconds. 
.tue and tue 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 sw 3 ft at
5 seconds. 
.wed through thu...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds and sw 2 ft at
5 seconds. 
.thu night...s winds 10 to 15 kt. seas around 2 ft. a chance of
showers.  

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 231705
cwfbox
expires:202608240600;;233045

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

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


anz235-240600-
rhode island sound-
105 pm edt sun aug 23 2026

.this afternoon...s winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 5 seconds and nw 1 foot at 4 seconds. showers
with isolated tstms. some tstms may produce heavy rainfall. 
.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: sw 3 ft
at 4 seconds and se 2 ft at 9 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 2 ft at 3 seconds. 
.mon night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 7 seconds and w 1 foot 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: sw 4 ft at 6 seconds and w 2 ft at
4 seconds. 
.wed through thu...s 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 ne 2 ft at
5 seconds. 
.thu night...s winds 10 to 15 kt. seas 2 to 3 ft. a chance of
showers.  

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 231705
cwfbox
expires:202608240600;;233048

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

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


anz236-240600-
narragansett bay-
105 pm edt sun aug 23 2026

.this afternoon...s winds 5 to 10 kt. waves around 2 ft. showers
with isolated tstms. some tstms may produce heavy rainfall. 
.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...sw winds 10 to 15 kt with gusts up to 20 kt. 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 through 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.  

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 231705
cwfbox
expires:202608240600;;233036

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

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


anz250-240600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt sun aug 23 2026

.this afternoon...e winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 5 seconds and n 1 foot at 4 seconds. patchy
fog. showers with isolated tstms. some tstms may produce heavy
rainfall. vsby 1 to 3 nm. 
.tonight...s winds 5 to 10 kt. gusts up to 20 kt after midnight.
seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and e 2 ft at
8 seconds. patchy fog. vsby 1 to 3 nm. 
.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: e 3 ft at
7 seconds and s 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: se 3 ft at 7 seconds and w
2 ft at 3 seconds. 
.tue...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 6 seconds and w 1 foot at 3 seconds. 
.tue night...w winds around 10 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and w 1 foot at 3 seconds. 
.wed through thu...s winds 10 to 15 kt with gusts up to 20 kt.
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.  

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 231705
cwfbox
expires:202608240600;;233039

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

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


anz254-240600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 pm edt sun aug 23 2026

.this afternoon...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 4 seconds and e 2 ft at 7 seconds. patchy fog.
a chance of showers with isolated tstms. some tstms may produce
heavy rainfall. vsby 1 nm or less. 
.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. patchy fog. vsby 1 to 3 nm. 
.mon...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 3 ft
at 7 seconds and w 1 foot at 3 seconds. 
.mon night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 7 seconds and w 1 foot at 3 seconds. patchy fog. vsby
1 to 3 nm. 
.tue and tue night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and w 2 ft at
4 seconds. 
.wed through thu...s 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. 
.thu night...s winds around 10 kt. seas 2 to 3 ft. a chance of
showers.  

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 231705
cwfbox
expires:202608240600;;233040

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

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


anz255-240600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 pm edt sun aug 23 2026

.this afternoon...sw winds around 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 5 seconds and nw 1 foot at 4 seconds. showers
with isolated tstms. some tstms may produce heavy rainfall. 
.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 4 ft at 6 seconds and se 2 ft at 9 seconds.
patchy fog after midnight. 
.mon...sw winds around 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 7 seconds and w 3 ft at 3 seconds. 
.mon night...sw winds around 10 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 7 seconds and w 1 foot at 4 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 4 ft at 5 seconds and sw 4 ft at
6 seconds. 
.wed through thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 3 ft at 4 seconds and se 2 ft at 10 seconds. 
.thu night...se winds around 10 kt. seas 2 to 3 ft. a chance of
showers.  

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.

$$