fzus51 kbox 270803
cwfbox
expires:202608272100;;434533

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt thu aug 27 2026

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


anz236-272100-
narragansett bay-
403 am edt thu aug 27 2026

.today...s winds 10 to 15 kt. gusts up to 20 kt this afternoon.
waves around 2 ft. 
.tonight...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves around 2 ft. patchy fog. vsby 1 to 3 nm. 
.fri...s winds 5 to 10 kt. waves around 2 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.sat and sat night...sw winds 5 to 10 kt. waves around 2 ft. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 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 270803
cwfbox
expires:202608272100;;434528

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt thu aug 27 2026

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


anz233-272100-
vineyard sound-
403 am edt thu aug 27 2026

.today...s winds 5 to 10 kt, increasing to 10 to 15 kt this
afternoon. seas around 2 ft. wave detail: sw 2 ft at 4 seconds
and se 1 foot at 9 seconds. 
.tonight...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and
se 1 foot at 9 seconds. patchy fog. vsby 1 to 3 nm. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 6 seconds and se 2 ft at 9 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: s 2 ft at 7 seconds. 
.sat...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: w 2 ft at 6 seconds and e 2 ft at
8 seconds. 
.sat night...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: se 1 foot at 6 seconds. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 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 270803
cwfbox
expires:202608272100;;434529

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt thu aug 27 2026

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


anz234-272100-
buzzards bay-
403 am edt thu aug 27 2026

.today...s winds 10 to 15 kt. gusts up to 20 kt this afternoon.
seas 2 to 3 ft. wave detail: s 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.tonight...s 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: s 2 ft at 4 seconds and se 1 foot at 9 seconds. patchy
fog. vsby 1 to 3 nm. 
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 6 seconds and se 1 foot at 11 seconds. patchy fog in the
morning. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: s 2 ft at 7 seconds. 
.sat...n winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: nw 1 foot at 6 seconds and ne 1 foot at
9 seconds. 
.sat night...s winds 5 to 10 kt, becoming sw after midnight. seas
around 2 ft. wave detail: se 1 foot at 5 seconds. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 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 270803
cwfbox
expires:202608272100;;434530

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt thu aug 27 2026

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


anz235-272100-
rhode island sound-
403 am edt thu aug 27 2026

.today...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 6 seconds and se 2 ft at 9 seconds. 
.tonight...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and se
2 ft at 9 seconds. patchy fog. vsby 1 to 3 nm. 
.fri...s winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s 3 ft at
7 seconds. patchy fog in the morning with vsby 1 nm or less. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds. 
.sat...n winds 5 to 10 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: w 2 ft at 6 seconds and se 2 ft at 8 seconds. 
.sat night...s winds 5 to 10 kt, becoming sw after midnight. seas
2 to 3 ft. wave detail: s 2 ft at 7 seconds. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 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 270803
cwfbox
expires:202608272100;;434523

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt thu aug 27 2026

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


anz231-272100-
cape cod bay-
403 am edt thu aug 27 2026

.today...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. seas around 2 ft. wave detail: sw
1 foot at 2 seconds and e 1 foot at 5 seconds. 
.tonight...s winds 5 to 10 kt. gusts up to 20 kt in the evening.
seas around 2 ft. wave detail: s 1 foot at 3 seconds and e 1 foot
at 11 seconds. 
.fri...s winds around 5 kt. seas around 2 ft. wave detail: s
1 foot at 2 seconds and e 1 foot at 13 seconds. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas 1 foot or less, then around 2 ft after midnight. wave
detail: sw 1 foot at 2 seconds and e 1 foot at 6 seconds,
becoming w 1 foot at 2 seconds and e 1 foot at 10 seconds. 
.sat...n winds 5 to 10 kt. seas around 2 ft. wave detail: nw
1 foot at 3 seconds and ne 1 foot at 10 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas around 2 ft in the evening, then 1 foot or less. wave
detail: n 1 foot at 4 seconds, becoming sw 1 foot at 3 seconds
and ne 1 foot at 5 seconds. 
.sun through mon night...se winds 5 to 10 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 270803
cwfbox
expires:202608272100;;434527

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt thu aug 27 2026

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


anz232-272100-
nantucket sound-
403 am edt thu aug 27 2026

.today...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts
up to 20 kt this afternoon. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and e 1 foot at 9 seconds. 
.tonight...s winds 10 to 15 kt. seas around 2 ft. wave detail: s
2 ft at 3 seconds and e 1 foot at 9 seconds. 
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 5 seconds and e 1 foot at 9 seconds. 
.fri night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. wave detail: sw 1 foot at 4 seconds and se 1 foot at
8 seconds. 
.sat...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw 2 ft
at 4 seconds and e 1 foot at 8 seconds. 
.sat night...se winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: s 1 foot at 5 seconds and e 1 foot
at 7 seconds. 
.sun through mon night...se winds 10 to 15 kt with gusts up to
20 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 270503
cwfbox
expires:202608271800;;426095

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu aug 27 2026

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


anz254-271800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt thu aug 27 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 3 ft. wave
detail: se 3 ft at 9 seconds and sw 1 foot at 5 seconds. 
.thu...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 9 seconds and s 2 ft at
4 seconds. 
.thu night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: se 3 ft at 9 seconds and s
2 ft at 4 seconds. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: se 3 ft at 7 seconds and nw 2 ft at
4 seconds. 
.sun through mon night...s winds 10 to 15 kt with gusts up to
20 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 270503
cwfbox
expires:202608271800;;426096

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu aug 27 2026

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


anz255-271800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 5 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and sw 1 foot at 6 seconds. 
.thu...s winds 5 to 10 kt with gusts up to 20 kt. seas 2 to 3 ft.
wave detail: se 3 ft at 8 seconds and sw 2 ft at 6 seconds. 
.thu night...s winds around 10 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 3 ft at 5 seconds and se 3 ft at
9 seconds. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 3 ft at
7 seconds. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds. 
.sat and sat night...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 sw 3 ft at
7 seconds. 
.sun through mon night...sw winds 10 to 15 kt with gusts up to
20 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 270503
cwfbox
expires:202608271800;;426092

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt thu aug 27 2026

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


anz250-271800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt thu aug 27 2026

.rest of tonight...sw winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 9 seconds and s 1 foot at 3 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at 9 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at
9 seconds. a chance of. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and s 2 ft at 4 seconds. a chance of showers. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se
3 ft at 8 seconds and nw 2 ft at 3 seconds. 
.sat and sat night...sw 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 nw 2 ft at
3 seconds. 
.sun through mon...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.mon night...s winds 5 to 10 kt. seas around 2 ft. 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.

$$