fzus51 kbox 010804
cwfbox
expires:202604012100;;635997

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-012100-
cape cod bay-
404 am edt wed apr 1 2026

.today...sw winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt this afternoon. seas around
2 ft. wave detail: sw 2 ft at 4 seconds and s 2 ft at 9 seconds.
patchy fog. a chance of showers. vsby 1 to 3 nm, decreasing to
1 nm or less this afternoon. 
.tonight...ne winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: ne 2 ft at 3 seconds and s 2 ft at
8 seconds. patchy fog. a chance of showers in the evening, then
showers after midnight. vsby 1 to 3 nm in the evening. 
.thu...ne winds 15 to 20 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 4 seconds and s 2 ft at 8 seconds. patchy fog. showers likely
in the morning. a chance of showers in the afternoon. 
.thu night...e 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: ne 3 ft at 4 seconds and s 1 foot at 7 seconds. patchy
fog in the evening. a chance of showers in the evening. 
.fri and fri night...sw 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 ne 2 ft at
6 seconds. 
.sat and sat night...nw winds 10 to 15 kt, becoming se. gusts up
to 20 kt. seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and e
2 ft at 4 seconds. 
.sun...s winds 20 to 25 kt with gusts up to 30 kt. seas 2 to
4 ft. a chance of showers. 
.sun night...sw winds 20 to 25 kt. seas 2 to 4 ft. showers
likely.  

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 010804
cwfbox
expires:202604012100;;636001

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-012100-
nantucket sound-
404 am edt wed apr 1 2026

...small craft advisory in effect through this evening...

.today...sw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw
4 ft at 4 seconds and sw 3 ft at 9 seconds. patchy fog. a chance
of showers. vsby 1 to 3 nm. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: ne 3 ft at 4 seconds and w
2 ft at 3 seconds. patchy fog. showers. vsby 1 to 3 nm in the
evening. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 3 ft at 4 seconds and s 1 foot at
7 seconds. patchy fog. showers likely, mainly in the morning.
vsby 1 to 3 nm in the afternoon. 
.thu night...e winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: e 3 ft at 5 seconds and s
1 foot at 7 seconds. patchy fog in the evening. a chance of
showers in the evening. 
.fri and fri night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 4 seconds and e 2 ft at
7 seconds. 
.sat and sat night...sw winds 10 to 15 kt, becoming se 15 to
20 kt. seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and e
2 ft at 6 seconds. 
.sun...s winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of showers. 
.sun night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. showers likely.  

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 010804
cwfbox
expires:202604012100;;636002

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-012100-
vineyard sound-
404 am edt wed apr 1 2026

...small craft advisory in effect through this evening...

.today...sw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: sw
6 ft at 9 seconds and sw 2 ft at 4 seconds. patchy fog. a chance
of showers. vsby 1 to 3 nm. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 3 to 5 ft. wave detail: sw
4 ft at 8 seconds and ne 2 ft at 3 seconds. patchy fog. showers
likely. vsby 1 to 3 nm in the evening. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: ne 3 ft at 4 seconds and s 2 ft at 7 seconds.
patchy fog. showers likely in the morning. a chance of showers in
the afternoon. 
.thu night...ne winds 15 to 20 kt, becoming e 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: ne 2 ft at 4 seconds and s
1 foot at 7 seconds. patchy fog in the evening. 
.fri...se winds 5 to 10 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
s 2 ft at 8 seconds. 
.fri night...sw winds 20 to 25 kt. seas 3 to 5 ft. wave detail:
sw 4 ft at 5 seconds and s 3 ft at 9 seconds. 
.sat and sat night...sw winds 10 to 15 kt, becoming se 15 to
20 kt. seas 2 to 4 ft. 
.sun...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of showers. 
.sun night...w winds 25 to 30 kt. seas 4 to 6 ft. showers likely.
 

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 010804
cwfbox
expires:202604012100;;636003

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-012100-
buzzards bay-
404 am edt wed apr 1 2026

...small craft advisory in effect through this evening...

.today...sw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw
5 ft at 8 seconds and sw 3 ft at 4 seconds. patchy fog. a chance
of showers. vsby 1 to 3 nm. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: sw
3 ft at 8 seconds and ne 2 ft at 3 seconds. patchy fog. showers
likely. vsby 1 to 3 nm in the evening. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: ne 3 ft at 4 seconds and sw 2 ft at 7 seconds.
patchy fog. showers likely in the morning. a chance of showers in
the afternoon. 
.thu night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming e 5 to 10 kt after midnight. seas around 2 ft. wave
detail: ne 2 ft at 4 seconds and s 1 foot at 7 seconds. patchy
fog in the evening. 
.fri and fri night...sw 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 s 2 ft at
9 seconds. 
.sat and sat night...s winds 10 to 15 kt, becoming se 15 to
20 kt. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and e
2 ft at 6 seconds. 
.sun...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of showers. 
.sun night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. showers likely.  

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 010804
cwfbox
expires:202604012100;;636004

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-012100-
rhode island sound-
404 am edt wed apr 1 2026

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

.today...sw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s 8 ft
at 9 seconds and sw 2 ft at 5 seconds. patchy fog. a chance of
showers. vsby 1 to 3 nm.
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 4 to 6 ft. wave detail: s 6 ft
at 8 seconds and ne 3 ft at 3 seconds. patchy fog. showers
likely. vsby 1 to 3 nm in the evening. 
.thu...ne winds 20 to 25 kt. seas 3 to 5 ft. wave detail: ne 4 ft
at 5 seconds and s 4 ft at 7 seconds. patchy fog. showers likely
in the morning. a chance of showers in the afternoon. 
.thu night...ne winds 15 to 20 kt, becoming e 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 4 ft at 5 seconds and s
2 ft at 7 seconds. patchy fog in the evening. 
.fri...se winds 5 to 10 kt, becoming sw 15 to 20 kt in the
afternoon. seas 2 to 4 ft. wave detail: se 3 ft at 6 seconds. 
.fri night...sw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. seas 4 to 6 ft. wave detail: sw 5 ft at 6 seconds
and s 5 ft at 10 seconds. 
.sat and sat night...sw winds 15 to 20 kt, becoming se. gusts up
to 25 kt. seas 3 to 5 ft. 
.sun...sw winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. a chance of showers. 
.sun night...w winds 25 to 30 kt. seas 5 to 7 ft. showers likely.
 

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 010804
cwfbox
expires:202604012100;;636007

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-012100-
narragansett bay-
404 am edt wed apr 1 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...sw winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 25 kt. waves 3 to 5 ft. patchy fog. a
chance of showers. a slight chance of tstms this afternoon. vsby
1 to 3 nm. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. waves 2 to 4 ft. patchy fog.
showers likely. vsby 1 to 3 nm in the evening. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. patchy fog. a chance of showers. 
.thu night...ne winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. patchy
fog in the evening. 
.fri and fri night...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.sat...s winds 10 to 15 kt. waves 2 to 3 ft. 
.sat night...se winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of showers. 
.sun...sw winds 20 to 25 kt with gusts up to 30 kt. waves 3 to
5 ft. showers likely. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt. waves
4 to 6 ft. showers likely.  

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 010804
cwfbox
expires:202604012100;;635995

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-012100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt wed apr 1 2026

...small craft advisory in effect from late tonight through
thursday afternoon...

.today...sw winds 15 to 20 kt with gusts up to 30 kt, becoming n
10 to 15 kt with gusts up to 20 kt this afternoon. seas 2 to
4 ft. wave detail: s 4 ft at 9 seconds and sw 3 ft at 5 seconds.
patchy fog. a chance of showers. vsby 1 to 3 nm, decreasing to
1 nm or less this afternoon. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 3 to 5 ft. wave detail: ne 4 ft at 5 seconds and
se 3 ft at 8 seconds. patchy fog. a chance of showers in the
evening, then showers likely after midnight. vsby 1 to 3 nm in
the evening. 
.thu...ne winds 15 to 20 kt. seas 4 to 5 ft. wave detail: e 5 ft
at 7 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm in
the afternoon. 
.thu night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: e 4 ft at 7 seconds. a
chance of showers. patchy fog in the evening. 
.fri...se winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 25 kt in the afternoon. seas 3 to 4 ft. wave detail: se 4 ft
at 7 seconds and s 1 foot at 3 seconds. a chance of showers in
the morning. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 4 ft at 5 seconds and e 4 ft at
7 seconds. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.sat night...se winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of showers. 
.sun...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. showers likely. 
.sun night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. showers likely.  

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 010804
cwfbox
expires:202604012100;;635998

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-012100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
404 am edt wed apr 1 2026

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

.today...sw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 5 to 7 ft. wave detail: s 7 ft
at 9 seconds and w 2 ft at 5 seconds. patchy fog. a chance of
showers. vsby 1 to 3 nm, decreasing to 1 nm or less this
afternoon. 
.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: s 5 ft at 8 seconds and ne
4 ft at 5 seconds. patchy fog. a chance of showers in the
evening, then showers after midnight. vsby 1 to 3 nm in the
evening. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: ne 5 ft at 6 seconds and s 3 ft at 7 seconds.
patchy fog. showers likely, mainly in the morning. vsby 1 to 3 nm
in the afternoon. 
.thu night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: ne 5 ft at 6 seconds
and s 2 ft at 7 seconds. patchy fog in the evening. a chance of
showers in the evening with vsby 1 to 3 nm. 
.fri...se winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 3 to 5 ft. wave detail: e 4 ft at
7 seconds and s 3 ft at 6 seconds. 
.fri night...sw winds 20 to 25 kt. seas 4 to 6 ft. wave detail:
sw 5 ft at 5 seconds and e 3 ft at 7 seconds. 
.sat and sat night...w winds 15 to 20 kt, becoming se. gusts up
to 25 kt. seas 3 to 5 ft. 
.sun...s winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. a chance of showers. 
.sun night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. showers likely.  

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 010804
cwfbox
expires:202604012100;;635999

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 1 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-012100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 am edt wed apr 1 2026

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

.today...sw winds 25 to 30 kt, diminishing to 20 to 25 kt this
afternoon. seas 6 to 9 ft. wave detail: sw 9 ft at 9 seconds and
sw 2 ft at 4 seconds. patchy fog. a slight chance of showers this
morning, then a chance of showers this afternoon. vsby 1 to 3 nm.
.tonight...n winds 10 to 15 kt, becoming ne 20 to 25 kt after
midnight. seas 5 to 7 ft, subsiding to 4 to 5 ft after midnight.
wave detail: sw 7 ft at 8 seconds, becoming s 5 ft at 8 seconds
and ne 2 ft at 3 seconds. patchy fog. showers likely. vsby 1 to
3 nm in the evening. 
.thu...ne winds 20 to 25 kt. seas 4 to 5 ft. wave detail: ne 5 ft
at 5 seconds and s 4 ft at 7 seconds. patchy fog. showers likely,
mainly in the morning. vsby 1 to 3 nm in the afternoon. 
.thu night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: ne 5 ft at 6 seconds
and s 2 ft at 7 seconds. patchy fog in the evening. a chance of
showers in the evening with vsby 1 to 3 nm. 
.fri...s winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: s 4 ft at 6 seconds and e
3 ft at 7 seconds. 
.fri night...sw winds 20 to 25 kt. seas 5 to 7 ft. wave detail:
sw 6 ft at 6 seconds and e 3 ft at 7 seconds. 
.sat...sw winds 15 to 20 kt. seas 4 to 6 ft. 
.sat night...se winds 20 to 25 kt. seas 3 to 4 ft. 
.sun...s winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. a chance of showers. 
.sun night...sw winds 25 to 30 kt. seas 5 to 8 ft. showers
likely.  

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.

$$