fzus51 kbox 150502
cwfbox
expires:202604151800;;388394

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz231-151800-
cape cod bay-
101 am edt wed apr 15 2026

.rest of tonight...sw winds around 10 kt. seas around 2 ft.
patchy fog. vsby 1 to 3 nm. 
.wed...w winds 5 to 10 kt, becoming se in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. patchy fog in
the morning with vsby 1 nm or less. 
.wed night...sw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft in the evening, then 1 foot or less. patchy fog. a
chance of showers. a chance of tstms in the evening. vsby 1 to
3 nm after midnight. 
.thu...sw winds 5 to 10 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. patchy fog in
the morning. a chance of showers in the morning. 
.thu night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. 
.fri...sw winds 5 to 10 kt, becoming ne in the afternoon. seas
1 foot or less. a chance of showers in the afternoon. 
.fri night...ne winds 5 to 10 kt. seas 1 foot or less. a chance
of showers in the evening. 
.sat and sat night...ne winds 5 to 10 kt, becoming e. seas 1 foot
or less, then around 2 ft. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. a chance of showers. 
.sun night...w winds 15 to 20 kt. seas 2 to 3 ft. showers likely.
 

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 150502
cwfbox
expires:202604151800;;388398

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz232-151800-
nantucket sound-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. patchy fog. vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt. seas 2 to 3 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. patchy fog. a chance of
showers. vsby 1 to 3 nm after midnight. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.fri and fri night...ne winds 5 to 10 kt. seas around 2 ft. a
chance of showers through the night. 
.sat and sat night...ne winds 5 to 10 kt, becoming e. seas around
2 ft. 
.sun and sun night...s winds 10 to 15 kt, becoming w 15 to 20 kt.
gusts up to 25 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 150502
cwfbox
expires:202604151800;;388399

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz233-151800-
vineyard sound-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. patchy fog. vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt. seas 2 to 3 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas 2 to 3 ft. a chance of showers. patchy fog
after midnight with vsby 1 to 3 nm. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.fri and fri night...ne winds 5 to 10 kt. seas 2 to 3 ft. a
chance of showers through the night. 
.sat and sat night...ne winds around 10 kt, becoming e. seas
around 2 ft. 
.sun...s winds 15 to 20 kt. seas 2 to 3 ft. a chance of showers. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 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 150502
cwfbox
expires:202604151800;;388400

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz234-151800-
buzzards bay-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 10 to 15 kt. seas 2 to 3 ft. patchy
fog. vsby 1 to 3 nm. 
.wed...sw winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. seas around 2 ft. patchy fog in the morning with vsby
1 to 3 nm. 
.wed night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. patchy fog. a chance of
showers. a chance of tstms in the evening. vsby 1 to 3 nm after
midnight. 
.thu...s winds 5 to 10 kt, becoming sw 10 to 15 kt in the
afternoon. seas around 2 ft. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft. 
.fri and fri night...ne winds 5 to 10 kt. seas around 2 ft. a
chance of showers through the night. 
.sat and sat night...ne winds 5 to 10 kt, becoming e. seas around
2 ft. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. a chance of showers. 
.sun night...w winds 15 to 20 kt. seas 2 to 3 ft. showers likely.
 

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 150502
cwfbox
expires:202604151800;;388401

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz235-151800-
rhode island sound-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. patchy fog. vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt. seas 2 to 4 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt. seas 2 to 4 ft. patchy fog. a
chance of showers. vsby 1 to 3 nm. 
.thu...sw winds 10 to 15 kt. seas 3 to 4 ft. patchy fog in the
morning. 
.thu night...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.fri...sw winds around 10 kt. seas 2 to 3 ft. a chance of showers
in the afternoon. 
.fri night...ne winds around 10 kt. seas 2 to 3 ft. a chance of
showers in the evening. 
.sat and sat night...ne winds around 10 kt, becoming e. seas 2 to
3 ft. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers. 
.sun night...w winds 20 to 25 kt. seas 3 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 150502
cwfbox
expires:202604151800;;388404

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz236-151800-
narragansett bay-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 5 to 10 kt. waves 2 to 3 ft. patchy
fog. a slight chance of rain with isolated tstms. vsby 1 to 3 nm.
.wed...sw winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. waves around 2 ft. patchy fog in the morning with vsby
1 to 3 nm. 
.wed night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. a chance of tstms in the evening. patchy fog after
midnight with vsby 1 to 3 nm. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. waves around 2 ft. patchy fog in the morning. 
.thu night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. waves around 2 ft. 
.fri and fri night...ne winds 5 to 10 kt. waves around 2 ft. a
chance of showers through the night. 
.sat and sat night...ne winds 5 to 10 kt, becoming e. waves
around 2 ft. 
.sun and sun night...s winds 10 to 15 kt, becoming w 15 to 20 kt.
waves 2 to 3 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 150502
cwfbox
expires:202604151800;;388392

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz250-151800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. patchy fog. vsby 1 nm or less. 
.wed...nw winds 5 to 10 kt, becoming e in the afternoon. seas
2 to 3 ft. patchy fog. a chance of showers in the afternoon. vsby
1 nm or less. 
.wed night...e winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. patchy fog. a chance of showers. vsby 1 nm or less,
increasing to 1 to 3 nm after midnight. 
.thu...sw winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. patchy fog in the morning. a chance of showers in
the morning. 
.thu night...s winds around 10 kt, becoming sw after midnight.
seas around 2 ft. a chance of showers. 
.fri...w winds 5 to 10 kt, becoming ne in the afternoon. seas
around 2 ft. a chance of showers. 
.fri night...ne winds around 10 kt. seas around 2 ft. a chance of
showers. 
.sat and sat night...ne winds 5 to 10 kt, becoming e. seas 2 to
3 ft. 
.sun...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. a chance of showers. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 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 150502
cwfbox
expires:202604151800;;388395

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz254-151800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
101 am edt wed apr 15 2026

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. patchy fog. vsby 1 nm or less. 
.wed...w winds around 10 kt, becoming s in the afternoon. seas
2 to 4 ft. patchy fog. vsby 1 nm or less.
.wed night...sw winds around 10 kt. seas 2 to 3 ft. patchy fog. a
chance of showers. vsby 1 nm or less, increasing to 1 to 3 nm
after midnight. 
.thu...sw winds 10 to 15 kt. seas 2 to 4 ft. patchy fog in the
morning. a chance of showers in the morning. 
.thu night...sw winds 10 to 15 kt. seas 2 to 4 ft. 
.fri and fri night...ne winds 5 to 10 kt. seas 2 to 4 ft. a
chance of showers through the night. 
.sat through sun...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.sun night...w winds 15 to 20 kt with gusts up to 25 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 150502
cwfbox
expires:202604151800;;388396

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
101 am edt wed apr 15 2026

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


anz255-151800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
101 am edt wed apr 15 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. patchy fog. vsby 1 to 3 nm. 
.wed...sw winds 10 to 15 kt. seas 3 to 4 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.wed night...sw winds 10 to 15 kt. seas 3 to 4 ft. a chance of
showers. patchy fog after midnight. 
.thu...sw winds 10 to 15 kt. seas 3 to 4 ft. patchy fog in the
morning. 
.thu night and fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. 
.fri night...e winds around 10 kt, becoming ne after midnight.
seas 2 to 4 ft. 
.sat through sun...s winds 15 to 20 kt. seas 2 to 4 ft. 
.sun night...w winds 20 to 25 kt with gusts up to 30 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.

$$