fzus51 kbox 120802
cwfbox
expires:202604122100;;233249

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz231-122100-
cape cod bay-
402 am edt sun apr 12 2026

...gale watch in effect from monday morning through monday
afternoon...

.today...n winds 5 to 10 kt, becoming ne this afternoon. seas
2 to 3 ft. 
.tonight...s winds around 10 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. scattered showers
after midnight. 
.mon...sw winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. patchy fog in the afternoon with vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
seas 2 to 4 ft. patchy fog in the evening with vsby 1 to 3 nm. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.wed...sw winds around 10 kt. seas around 2 ft.
.wed night and thu...s winds 5 to 10 kt. seas 1 foot or less,
then around 2 ft. a chance of showers. 
.thu night...sw winds 10 to 15 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 120802
cwfbox
expires:202604122100;;233253

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz232-122100-
nantucket sound-
402 am edt sun apr 12 2026

...gale watch in effect from monday morning through monday
afternoon...

.today...n winds 5 to 10 kt, becoming se this afternoon. seas
2 to 3 ft. 
.tonight...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 2 to 3 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 35 kt. seas 3 to
5 ft. patchy fog in the afternoon with vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. patchy fog in the evening with vsby 1 nm or less. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.wed...sw winds 10 to 15 kt. seas around 2 ft. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers. 
.thu and thu night...sw 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 120802
cwfbox
expires:202604122100;;233254

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz233-122100-
vineyard sound-
402 am edt sun apr 12 2026

...gale watch in effect from monday morning through monday
afternoon...

.today...n winds around 5 kt, becoming sw this afternoon. seas
around 2 ft. 
.tonight...s winds around 10 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. 
.mon...sw winds 15 to 20 kt with gusts up to 35 kt. seas 4 to
6 ft. patchy fog in the afternoon with vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. patchy fog in the evening with vsby 1 to 3 nm. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.wed...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.wed night and thu...sw winds 10 to 15 kt. seas 2 to 3 ft. a
chance of showers. 
.thu night...sw 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 120802
cwfbox
expires:202604122100;;233255

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz234-122100-
buzzards bay-
402 am edt sun apr 12 2026

...gale watch in effect from monday morning through monday
afternoon...

.today...n winds around 5 kt, becoming sw this afternoon. seas
around 2 ft. 
.tonight...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.mon...sw winds 15 to 20 kt with gusts up to 35 kt. seas 4 to
6 ft. patchy fog in the afternoon with vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt. gusts up to 30 kt in the
evening. seas 3 to 5 ft. patchy fog in the evening with vsby 1 to
3 nm. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.wed...sw winds 10 to 15 kt. seas around 2 ft. 
.wed night and thu...sw winds 10 to 15 kt. seas 2 to 3 ft. a
chance of showers. 
.thu night...sw winds 10 to 15 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 120802
cwfbox
expires:202604122100;;233256

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz235-122100-
rhode island sound-
402 am edt sun apr 12 2026

...small craft advisory in effect from late tonight through late
monday night...

.today...n winds around 5 kt, becoming s this afternoon. seas
2 to 3 ft. 
.tonight...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. 
.mon...sw winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. patchy fog in the afternoon with vsby 1 to 3 nm. 
.mon night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
5 to 7 ft. patchy fog in the evening with vsby 1 to 3 nm. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. 
.wed...sw winds 10 to 15 kt. seas 2 to 3 ft. 
.wed night and thu...sw winds 10 to 15 kt. gusts up to 20 kt.
seas 3 to 4 ft. a chance of showers. 
.thu 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 120802
cwfbox
expires:202604122100;;233259

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz236-122100-
narragansett bay-
402 am edt sun apr 12 2026

...small craft advisory in effect from late tonight through
monday evening...

.today...n winds around 5 kt, becoming s 10 to 15 kt with gusts
up to 20 kt this afternoon. waves around 2 ft. 
.tonight...s winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.mon...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
4 ft. 
.mon night...sw winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 4 ft. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.wed...sw winds 10 to 15 kt. waves around 2 ft.
.wed night and thu...sw winds 5 to 10 kt. waves around 2 ft. a
chance of showers. 
.thu night...sw 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 120802
cwfbox
expires:202604122100;;233247

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz250-122100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
402 am edt sun apr 12 2026

...small craft advisory in effect from this evening through late
monday night...

.today...nw winds 5 to 10 kt, becoming s this afternoon. gusts up
to 20 kt. seas 3 to 4 ft. 
.tonight...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft. scattered showers. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. scattered showers in the afternoon. 
.mon night...sw winds 20 to 25 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. scattered
showers in the evening. 
.tue...w winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. gusts up to 20 kt. seas 2 to 4 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. scattered showers in the evening. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.wed night through thu night...s winds 10 to 15 kt with gusts up
to 20 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 120802
cwfbox
expires:202604122100;;233250

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz254-122100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
402 am edt sun apr 12 2026

...small craft advisory in effect from late tonight through
tuesday morning...

.today...n winds 5 to 10 kt with gusts up to 20 kt, becoming se
this afternoon. seas 3 to 5 ft. 
.tonight...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 4 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. patchy fog in the afternoon with vsby 1 nm or less. 
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 5 to 7 ft. patchy fog in
the evening. a chance of showers in the evening with vsby 1 nm or
less. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.wed night...sw winds around 10 kt. seas 2 to 4 ft. a chance of
showers. 
.thu and thu night...s winds 10 to 15 kt, becoming sw 15 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 120802
cwfbox
expires:202604122100;;233251

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 am edt sun apr 12 2026

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


anz255-122100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
402 am edt sun apr 12 2026

...small craft advisory in effect from late tonight through
tuesday morning...

.today...n winds 5 to 10 kt, becoming s this afternoon. seas 2 to
4 ft. 
.tonight...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. 
.mon...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft, building to 6 to 9 ft in the afternoon. patchy fog in the
afternoon with vsby 1 nm or less. 
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 7 to 10 ft. patchy fog in
the evening with vsby 1 nm or less. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
6 ft. 
.tue night...sw winds around 15 kt with gusts up to 20 kt. seas
3 to 4 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. 
.wed night...sw winds 10 to 15 kt. seas 3 to 4 ft. a chance of
showers. 
.thu and thu night...sw winds 10 to 15 kt, increasing to 15 to
20 kt. seas 3 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.

$$