fzus51 kbox 221707
cwfbox
expires:202603230600;;119937

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz231-230600-
cape cod bay-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: s 2 ft at 3 seconds and n 1 foot at
5 seconds. patchy fog. rain. vsby 1 to 3 nm. 
.tonight...sw winds 10 to 15 kt, becoming n 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: n
2 ft at 4 seconds and s 2 ft at 4 seconds. rain. patchy fog in
the evening. vsby 1 nm or less. 
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 4 ft at 4 seconds and s 2 ft at 7 seconds.
rain with a chance of snow in the morning, then a chance of snow
showers in the afternoon. 
.mon night...n 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 3 to 5 ft. wave detail: n 4 ft at 6 seconds and e 4 ft at
9 seconds. snow showers likely in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: ne 4 ft
at 9 seconds and n 3 ft at 5 seconds. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: ne 3 ft at 9 seconds and sw 2 ft at
3 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.wed night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt. seas 3 to 5 ft. rain 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 221707
cwfbox
expires:202603230600;;119941

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz232-230600-
nantucket sound-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 25 kt.
seas around 3 ft. wave detail: s 3 ft at 4 seconds and ne 1 foot
at 5 seconds. patchy fog. a chance of rain. vsby 1 to 3 nm. 
.tonight...sw winds 10 to 15 kt, becoming n after midnight. gusts
up to 25 kt. seas 2 to 3 ft. wave detail: e 3 ft at 6 seconds and
nw 2 ft at 3 seconds. rain. patchy fog in the evening. vsby 1 nm
or less. 
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 3 ft at 4 seconds and s 2 ft at 7 seconds.
rain in the morning, then showers likely with a chance of snow
showers in the afternoon. 
.mon night...n 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. wave detail: n 3 ft at 4 seconds and e 2 ft at
9 seconds. a chance of snow showers.
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n 2 ft
at 4 seconds and e 2 ft at 9 seconds. 
.tue night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e
2 ft at 9 seconds. 
.wed and wed night...sw winds 15 to 20 kt, diminishing to 10 to
15 kt. seas 2 to 3 ft. 
.thu...s winds 15 to 20 kt. seas 2 to 3 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt. seas 3 to 5 ft. rain 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 221707
cwfbox
expires:202603230600;;119942

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz233-230600-
vineyard sound-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 25 kt.
seas around 3 ft. wave detail: s 3 ft at 5 seconds and se 1 foot
at 8 seconds. patchy fog. a chance of rain. vsby 1 to 3 nm. 
.tonight...sw winds 10 to 15 kt, becoming n with gusts up to
25 kt after midnight. seas 2 to 4 ft. wave detail: s 3 ft at
7 seconds and nw 1 foot at 3 seconds. rain. patchy fog in the
evening. vsby 1 nm or less. 
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: se 3 ft at 9 seconds and n 2 ft at 4 seconds.
rain in the morning, then a chance of snow and rain showers in
the afternoon. 
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and n 2 ft at
4 seconds. a chance of snow showers. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and se 2 ft at 9 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds
and ne 1 foot at 3 seconds. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.thu...s winds 15 to 20 kt. seas 2 to 3 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. rain 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 221707
cwfbox
expires:202603230600;;119943

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz234-230600-
buzzards bay-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: s 3 ft at 4 seconds and ne 1 foot at
5 seconds. patchy fog. rain likely. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt, becoming n with gusts up to
25 kt after midnight. seas 2 to 4 ft. wave detail: s 2 ft at
7 seconds and w 1 foot at 3 seconds. rain. patchy fog in the
evening with vsby 1 nm or less. 
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 2 ft at 4 seconds and sw 2 ft at 7 seconds.
rain in the morning, then a chance of snow and rain showers in
the afternoon. 
.mon night...n winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and se 2 ft at 9 seconds. a chance of snow showers. 
.tue...nw winds 5 to 10 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: e 2 ft at 9 seconds and n 1 foot at
4 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas around 2 ft. wave detail: sw 2 ft at
4 seconds and ne 1 foot at 3 seconds. 
.wed and wed night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.thu...s winds 15 to 20 kt. seas 2 to 3 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt. seas 3 to 5 ft. rain 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 221707
cwfbox
expires:202603230600;;119944

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz235-230600-
rhode island sound-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds. patchy fog. a
chance of rain. vsby 1 nm or less.
.tonight...sw winds 10 to 15 kt, becoming n 15 to 20 kt with
gusts up to 25 kt after midnight. seas 3 to 4 ft. wave detail: s
4 ft at 7 seconds and se 2 ft at 8 seconds. rain. patchy fog in
the evening. vsby 1 nm or less. 
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 8 seconds and ne 3 ft at 3 seconds.
rain in the morning, then a chance of snow and rain showers in
the afternoon. 
.mon night...n winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 4 ft at 8 seconds and n 2 ft at
4 seconds. a chance of snow showers. 
.tue and tue night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 8 seconds and se 3 ft at
9 seconds. 
.wed and wed 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 se 1 foot
at 8 seconds. 
.thu...s winds 15 to 20 kt. seas 2 to 4 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. rain 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 221707
cwfbox
expires:202603230600;;119947

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz236-230600-
narragansett bay-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 10 to 15 kt with gusts up to 25 kt.
waves 2 to 3 ft. patchy fog. a chance of rain. vsby 1 nm or less.
.tonight...sw winds 5 to 10 kt, becoming n 10 to 15 kt with gusts
up to 25 kt after midnight. waves 2 to 3 ft. rain. patchy fog in
the evening. vsby 1 nm or less.
.mon...n winds 10 to 15 kt with gusts up to 30 kt. waves around
3 ft. rain with a chance of snow in the morning, then a chance of
snow showers in the afternoon. 
.mon night...n winds 5 to 10 kt with gusts up to 20 kt. waves
2 to 3 ft. snow showers likely in the evening. 
.tue...n winds 5 to 10 kt with gusts up to 20 kt, becoming w in
the afternoon. waves 2 to 3 ft. 
.tue night...sw winds 10 to 15 kt. waves around 2 ft. 
.wed and wed night...sw winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. waves 2 to 3 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of rain. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. rain 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 221707
cwfbox
expires:202603230600;;119935

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz250-230600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: s 4 ft at 5 seconds and se 2 ft at
8 seconds. patchy fog. rain. vsby 1 nm or less. 
.tonight...w winds 10 to 15 kt, becoming n 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 4 seconds and s 4 ft at 5 seconds. rain. patchy fog in the
evening. vsby 1 nm or less. 
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: ne 7 ft at 7 seconds and se 3 ft at 9 seconds.
rain with snow with possible sleet in the morning, then a chance
of snow showers in the afternoon. 
.mon night...n winds 15 to 20 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 6 to 8 ft. wave detail: ne 7 ft at
8 seconds. snow showers likely in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: ne 7 ft
at 9 seconds and ne 1 foot at 5 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: e 5 ft at 9 seconds and sw 3 ft at
4 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.wed night...sw winds 15 to 20 kt. seas 2 to 4 ft. a chance of
rain. 
.thu...s winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. rain likely with a chance of snow.  

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 221707
cwfbox
expires:202603230600;;119938

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz254-230600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: s 4 ft at 5 seconds and se 2 ft at
8 seconds. patchy fog. rain. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: se 4 ft
at 7 seconds and ne 1 foot at 6 seconds. rain. patchy fog in the
evening. vsby 1 nm or less. 
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 7 seconds and se 4 ft at 8 seconds.
rain in the morning, then a chance of rain and snow showers in
the afternoon. 
.mon night...n winds 15 to 20 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: ne 7 ft at 8 seconds and se 7 ft at
9 seconds. a chance of snow showers. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: ne 7 ft
at 9 seconds and nw 1 foot at 4 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 3 to 5 ft. wave detail: ne 5 ft at 9 seconds
and sw 3 ft at 5 seconds. 
.wed...sw winds 15 to 20 kt. seas 3 to 5 ft. 
.wed night...sw winds 15 to 20 kt. seas 2 to 4 ft. 
.thu...s winds 15 to 20 kt. seas 3 to 5 ft. a chance of rain. 
.thu night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. rain 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 221707
cwfbox
expires:202603230600;;119939

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
107 pm edt sun mar 22 2026

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


anz255-230600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
107 pm edt sun mar 22 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.this afternoon...s winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 5 ft. wave detail: se 5 ft at 7 seconds and ne 1 foot
at 6 seconds. patchy fog. a chance of rain. vsby 1 to 3 nm. 
.tonight...sw winds 10 to 15 kt, becoming n after midnight. gusts
up to 25 kt. seas 4 to 5 ft. wave detail: s 5 ft at 7 seconds and
e 2 ft at 7 seconds. a chance of rain in the evening, then rain
after midnight. patchy fog in the evening with vsby 1 nm or less.
.mon...n winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: s 5 ft
at 7 seconds and n 4 ft at 5 seconds. rain in the morning, then a
chance of rain and snow showers in the afternoon. 
.mon night...n winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail:
se 5 ft at 8 seconds and n 4 ft at 5 seconds. a chance of snow
and rain showers in the evening. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming nw
5 to 10 kt in the afternoon. seas 4 to 6 ft. wave detail: e 5 ft
at 9 seconds and n 3 ft at 5 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 3 to 5 ft. wave detail: sw 4 ft at 5 seconds
and e 4 ft at 9 seconds. 
.wed and wed night...sw winds 15 to 20 kt. seas 3 to 5 ft. 
.thu...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.thu night...sw winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 ft. rain 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.

$$