fzus51 kbox 280505
cwfbox
expires:202604281800;;650404

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz231-281800-
cape cod bay-
105 am edt tue apr 28 2026

.rest of tonight...ne winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: se 2 ft at 14 seconds and n 1 foot
at 3 seconds. 
.tue...ne winds around 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 2 ft at 9 seconds and e 2 ft at
11 seconds. 
.tue night...ne winds around 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 2 ft at 10 seconds and e
2 ft at 11 seconds. patchy fog after midnight with vsby 1 to
3 nm. 
.wed...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 11 seconds and n 1 foot at 2 seconds. patchy fog. a chance of
showers in the afternoon. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: ne 2 ft at 10 seconds and
ne 1 foot at 2 seconds. a chance of showers in the evening, then
showers likely after midnight. patchy fog in the evening with
vsby 1 to 3 nm. 
.thu...se winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: se 2 ft at 3 seconds and se 2 ft at 6 seconds.
showers.
.thu night...w winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. showers likely in the evening. 
.fri through sat...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sat night...w winds around 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650408

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz232-281800-
nantucket sound-
105 am edt tue apr 28 2026

.rest of tonight...ne 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 e 2 ft at
10 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: e 3 ft at 9 seconds and ne 2 ft at 4 seconds. 
.tue night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: e 3 ft at 9 seconds and n 2 ft at
4 seconds. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds around 10 kt. seas 2 to 4 ft. wave detail: ne
2 ft at 5 seconds and e 2 ft at 10 seconds. patchy fog. a chance
of showers in the afternoon. vsby 1 to 3 nm in the morning. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: ne 2 ft at 6 seconds and e
2 ft at 10 seconds. a chance of showers in the evening, then
showers likely after midnight. patchy fog in the evening. 
.thu...se winds around 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 3 ft at 5 seconds and sw 2 ft at 3 seconds.
showers.
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. showers likely in the evening. 
.fri through sat...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.sat night...w winds 10 to 15 kt. seas 2 to 3 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650409

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz233-281800-
vineyard sound-
105 am edt tue apr 28 2026

.rest of tonight...ne winds around 10 kt. seas around 2 ft. wave
detail: ne 1 foot at 2 seconds and se 1 foot at 10 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: ne 2 ft at 3 seconds and s 1 foot at
5 seconds. 
.tue night...ne winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: n 2 ft at 4 seconds and s
1 foot at 5 seconds. patchy fog after midnight. 
.wed...ne winds around 10 kt. seas around 2 ft. wave detail: n
2 ft at 3 seconds and s 1 foot at 5 seconds. a chance of showers
in the afternoon. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 6 seconds and e
2 ft at 3 seconds. a chance of showers in the evening, then
showers likely after midnight. patchy fog in the evening. 
.thu...se winds 15 to 20 kt, becoming s in the afternoon. gusts
up to 25 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds
and se 2 ft at 4 seconds. showers.
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers in the evening. 
.fri through sat...sw winds 15 to 20 kt. seas 2 to 3 ft. 
.sat night...w winds 10 to 15 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650410

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz234-281800-
buzzards bay-
105 am edt tue apr 28 2026

.rest of tonight...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: ne 1 foot at 2 seconds and se 1 foot at 12 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. wave detail: ne 1 foot at 2 seconds and s 1 foot at
5 seconds. 
.tue night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: n 1 foot at 3 seconds and
s 1 foot at 5 seconds. 
.wed...ne winds around 10 kt. seas around 2 ft. wave detail: n
2 ft at 3 seconds and s 1 foot at 5 seconds. a chance of showers
in the afternoon. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas around 2 ft. wave detail: n 1 foot at 2 seconds
and e 1 foot at 2 seconds. a chance of showers in the evening,
then showers likely after midnight. patchy fog in the evening. 
.thu...se winds 15 to 20 kt, becoming s in the afternoon. gusts
up to 25 kt. seas around 2 ft. wave detail: se 2 ft at 3 seconds
and sw 2 ft at 3 seconds. showers.
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. a chance of showers in the evening.
.fri through sat...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sat night...w winds 10 to 15 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650411

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz235-281800-
rhode island sound-
105 am edt tue apr 28 2026

.rest of tonight...ne winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and se 3 ft at 12 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 10 seconds and se 3 ft at
10 seconds. 
.tue night...ne winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 9 seconds and e
3 ft at 10 seconds. 
.wed...n winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 10 seconds and n 2 ft at
3 seconds. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and
se 4 ft at 10 seconds. a chance of showers in the evening, then
showers after midnight. patchy fog in the evening. 
.thu...se winds around 20 kt, becoming sw in the afternoon. gusts
up to 25 kt. seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and
se 3 ft at 4 seconds. showers.
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. a chance of showers in the evening. 
.fri through sat...sw winds 15 to 20 kt. seas 2 to 4 ft. 
.sat night...nw winds 10 to 15 kt. seas 2 to 3 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650414

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz236-281800-
narragansett bay-
105 am edt tue apr 28 2026

.rest of tonight...ne winds 5 to 10 kt. waves around 2 ft. 
.tue...ne winds 5 to 10 kt. waves around 2 ft. 
.tue night...ne winds 5 to 10 kt. waves around 2 ft. 
.wed...n winds 5 to 10 kt, becoming e in the afternoon. waves
around 2 ft. 
.wed night...se winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves around 2 ft. a chance of showers in the evening,
then showers after midnight. patchy fog in the evening. 
.thu...se winds around 15 kt, becoming sw in the afternoon. gusts
up to 20 kt. waves 2 to 3 ft. showers.
.thu night...w winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 2 to 3 ft. a chance of showers in the evening. 
.fri through sat...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.sat night...nw winds 5 to 10 kt. waves 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650402

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz250-281800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 am edt tue apr 28 2026

...small craft advisory in effect through thursday morning...

.rest of tonight...ne winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 4 ft at 9 seconds and e 2 ft at 4 seconds. 
.tue...ne winds around 10 kt. gusts up to 20 kt in the afternoon.
seas 3 to 5 ft. wave detail: e 5 ft at 9 seconds and ne 2 ft at
2 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.tue night...ne winds around 10 kt with gusts up to 20 kt. seas
5 to 7 ft. wave detail: e 7 ft at 10 seconds and ne 1 foot at
2 seconds. patchy fog after midnight. 
.wed...ne winds around 10 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and n 1 foot at 3 seconds. patchy fog in the
afternoon. a chance of showers in the afternoon. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and se 2 ft at 4 seconds. a chance of showers in
the evening, then showers likely after midnight. patchy fog in
the evening with vsby 1 to 3 nm. 
.thu...se winds 20 to 25 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and se 2 ft at 4 seconds. showers.
.thu night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. seas 4 to 6 ft. showers in the evening. 
.fri and fri night...w winds 10 to 15 kt. gusts up to 20 kt. seas
4 to 6 ft. 
.sat...sw winds around 10 kt. seas 3 to 5 ft. 
.sat night...w winds around 10 kt. seas 3 to 4 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650405

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz254-281800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 am edt tue apr 28 2026

...small craft advisory in effect through thursday morning...

.rest of tonight...ne winds 10 to 15 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: e 5 ft at 9 seconds and ne 2 ft at
3 seconds. 
.tue...ne winds 10 to 15 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: e 6 ft at 9 seconds and n 3 ft at 4 seconds. 
.tue night...n winds 10 to 15 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: e 7 ft at 10 seconds and ne 4 ft at
4 seconds. patchy fog. a chance of showers after midnight. vsby
1 to 3 nm. 
.wed...ne winds around 10 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and ne 4 ft at 5 seconds. patchy fog. a chance of
showers. vsby 1 to 3 nm in the morning. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas 5 to 7 ft. wave detail: e 7 ft at 10 seconds and
se 3 ft at 5 seconds. a chance of showers in the evening, then
showers likely after midnight. patchy fog in the evening with
vsby 1 to 3 nm. 
.thu...se winds 20 to 25 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and se 3 ft at 4 seconds. showers.
.thu night...sw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. seas 4 to 6 ft. a chance of showers in the evening. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 6 ft. 
.sat...sw winds around 10 kt. seas 3 to 5 ft. 
.sat night...w winds around 10 kt. seas 3 to 5 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.

$$

fzus51 kbox 280505
cwfbox
expires:202604281800;;650406

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt tue apr 28 2026

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


anz255-281800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 am edt tue apr 28 2026

...small craft advisory in effect through thursday morning...

.rest of tonight...ne winds 10 to 15 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: e 5 ft at 9 seconds and ne 2 ft at
3 seconds. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: e 6 ft at 9 seconds and n 2 ft at 3 seconds. 
.tue night...ne winds 15 to 20 kt, becoming n 10 to 15 kt after
midnight. gusts up to 25 kt. seas 4 to 6 ft. wave detail: e 6 ft
at 10 seconds and n 3 ft at 4 seconds. patchy fog. vsby 1 to
3 nm. 
.wed...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 4 to 6 ft. wave detail: e 6 ft at 10 seconds and n 3 ft at
4 seconds. patchy fog. a chance of showers in the afternoon. 
.wed night...e winds 10 to 15 kt, becoming se 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: e 6 ft at 10 seconds and
se 3 ft at 5 seconds. a chance of showers in the evening, then
showers likely after midnight. patchy fog in the evening with
vsby 1 to 3 nm. 
.thu...se winds 20 to 25 kt, becoming s in the afternoon. seas
4 to 6 ft. wave detail: se 6 ft at 10 seconds and se 3 ft at
6 seconds. showers.
.thu night...w winds 15 to 20 kt. seas 4 to 6 ft. a chance of
showers in the evening. 
.fri and fri night...w winds 15 to 20 kt. seas 4 to 6 ft. 
.sat...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.sat night...nw winds 10 to 15 kt. seas 3 to 5 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.

$$