fzus51 kbox 221705
cwfbox
expires:202604230600;;806538

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz231-230600-
cape cod bay-
104 pm edt wed apr 22 2026

.this afternoon...s winds around 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and ne 1 foot
at 5 seconds. patchy fog. 
.tonight...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
e 1 foot at 5 seconds. patchy fog. vsby 1 to 3 nm, decreasing to
1 nm or less after midnight. 
.thu...w winds 5 to 10 kt, becoming nw in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 4 seconds and e 1 foot at
8 seconds. patchy fog in the morning with vsby 1 nm or less. 
.thu night...n winds 5 to 10 kt. seas 1 foot or less. wave
detail: nw 1 foot at 3 seconds and se 1 foot at 7 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 3 seconds and se 1 foot at 6 seconds. 
.sat through sun night...e winds 5 to 10 kt. seas around 2 ft.
wave detail: n 1 foot at 4 seconds and s 1 foot at 7 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 221705
cwfbox
expires:202604230600;;806542

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz232-230600-
nantucket sound-
104 pm edt wed apr 22 2026

.this afternoon...s winds around 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 2 ft at 5 seconds and e 1 foot at
6 seconds. 
.tonight...se 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: se 2 ft at 5 seconds and se 1 foot at 15 seconds. patchy
fog. vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.thu...sw winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and e 1 foot at
7 seconds. patchy fog in the morning with vsby 1 nm or less. 
.thu night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
nw 1 foot at 3 seconds and s 1 foot at 6 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 1 foot at 2 seconds and e 1 foot at 6 seconds. 
.sat through 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 6 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 221705
cwfbox
expires:202604230600;;806543

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz233-230600-
vineyard sound-
104 pm edt wed apr 22 2026

.this afternoon...s winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and se 1 foot at 7 seconds. patchy
fog. 
.tonight...se 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: se 3 ft at 6 seconds and se 1 foot at 10 seconds. patchy
fog. vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.thu...w winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 6 seconds
and e 1 foot at 6 seconds. patchy fog in the morning with vsby
1 nm or less. 
.thu night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 6 seconds and nw 1 foot at 3 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 6 seconds and n 1 foot at 2 seconds. 
.sat through sun night...e winds 5 to 10 kt. seas around 2 ft.
wave detail: n 1 foot at 3 seconds and sw 1 foot 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.

$$

fzus51 kbox 221705
cwfbox
expires:202604230600;;806544

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz234-230600-
buzzards bay-
104 pm edt wed apr 22 2026

.this afternoon...s winds around 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 2 ft at 5 seconds. patchy fog. 
.tonight...se winds 10 to 15 kt with gusts up to 20 kt, becoming
s 5 to 10 kt after midnight. seas around 2 ft. wave detail: s
2 ft at 6 seconds and e 1 foot at 10 seconds. patchy fog. vsby
1 to 3 nm, decreasing to 1 nm or less after midnight. 
.thu...w winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 1 foot at 6 seconds
and e 1 foot at 6 seconds. patchy fog in the morning with vsby
1 nm or less. 
.thu night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
nw 1 foot at 2 seconds and sw 1 foot at 6 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 2 seconds and sw 1 foot at 6 seconds. 
.sat through 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.  

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 221705
cwfbox
expires:202604230600;;806545

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz235-230600-
rhode island sound-
104 pm edt wed apr 22 2026

.this afternoon...s winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and se 1 foot at 8 seconds. patchy
fog. 
.tonight...se 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 7 seconds and e 1 foot at 10 seconds. patchy
fog. vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.thu...w winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and
se 1 foot at 9 seconds. patchy fog in the morning with vsby 1 nm
or less. 
.thu night...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 6 seconds and e 2 ft at 7 seconds. 
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and e 2 ft at
6 seconds. 
.fri night...s winds 5 to 10 kt, becoming ne after midnight. seas
around 2 ft in the evening, then 1 foot or less. wave detail: se
2 ft at 6 seconds and nw 1 foot at 3 seconds, becoming nw 1 foot
at 3 seconds and e 1 foot at 6 seconds. 
.sat through sun night...e winds 10 to 15 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 221705
cwfbox
expires:202604230600;;806548

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz236-230600-
narragansett bay-
104 pm edt wed apr 22 2026

.this afternoon...s winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. patchy fog. 
.tonight...se winds 10 to 15 kt, becoming s around 5 kt after
midnight. waves around 2 ft. patchy fog. vsby 1 to 3 nm,
decreasing to 1 nm or less after midnight. 
.thu...w winds 5 to 10 kt, becoming nw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves around 2 ft. patchy fog in the
morning with vsby 1 nm or less. 
.thu night...n winds 5 to 10 kt. waves around 2 ft.
.fri...nw winds 5 to 10 kt, becoming w in the afternoon. waves
around 2 ft. 
.fri night...s winds 5 to 10 kt, becoming ne after midnight.
waves 1 foot or less. 
.sat through sun night...ne 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 221705
cwfbox
expires:202604230600;;806536

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz250-230600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt wed apr 22 2026

.this afternoon...s winds around 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.tonight...s 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 4 seconds and e 2 ft at 9 seconds. patchy fog.
vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.thu...sw winds 5 to 10 kt, becoming nw in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 4 seconds and e 2 ft at
9 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night...n winds around 10 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and nw 1 foot at 3 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 4 seconds and e 2 ft at 7 seconds. 
.sat through sun night...e winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 4 seconds and e 2 ft at 14 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 221705
cwfbox
expires:202604230600;;806539

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz254-230600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt wed apr 22 2026

.this afternoon...s winds around 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.tonight...se winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 4 ft. wave detail: s 3 ft at 4 seconds and e
2 ft at 9 seconds. patchy fog. a chance of showers in the
evening. vsby 1 to 3 nm, decreasing to 1 nm or less after
midnight. 
.thu...sw winds 5 to 10 kt, becoming nw in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 5 seconds and e 2 ft at
9 seconds. patchy fog in the morning with vsby 1 nm or less. 
.thu night...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 7 seconds and nw 1 foot at 3 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 6 seconds and ne 2 ft at 6 seconds. 
.sat through sun night...e winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: ne 3 ft at 6 seconds and e 3 ft at 14 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 221705
cwfbox
expires:202604230600;;806540

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt wed apr 22 2026

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


anz255-230600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt wed apr 22 2026

.this afternoon...s winds 15 to 20 kt. seas 3 to 4 ft. wave
detail: se 4 ft at 6 seconds and w 1 foot at 5 seconds. 
.tonight...se winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. seas 3 to 4 ft. wave detail: s 4 ft at 5 seconds and e
2 ft at 9 seconds. patchy fog. a chance of showers in the
evening. vsby 1 to 3 nm, decreasing to 1 nm or less after
midnight. 
.thu...w winds 5 to 10 kt. seas 3 to 4 ft. wave detail: sw 3 ft
at 6 seconds and e 2 ft at 9 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.thu night...n winds 5 to 10 kt. seas 2 to 4 ft. wave detail: sw
3 ft at 6 seconds and e 2 ft at 9 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 2 ft at 6 seconds and e 2 ft at 7 seconds. 
.sat through sun night...e winds 10 to 15 kt. seas 2 to 4 ft.
wave detail: e 3 ft at 14 seconds and ne 2 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.

$$