fzus51 kbox 180605
cwfbox
expires:202601181900;;082406

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz231-181900-
cape cod bay-
104 am est sun jan 18 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.sun...sw winds around 5 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and sw 1 foot at
3 seconds. a chance of rain. a chance of snow in the morning,
then snow in the afternoon with vsby 1 to 3 nm. 
.sun night...ne winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: e 2 ft at 9 seconds and n 1 foot
at 3 seconds. snow. vsby 1 nm or less. 
.mon...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas around 2 ft, building to 3 to
4 ft in the afternoon. wave detail: w 2 ft at 3 seconds and se
2 ft at 8 seconds, becoming sw 3 ft at 4 seconds and e 1 foot at
6 seconds. 
.mon night through tue night...w winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 4 ft. wave detail: w 3 ft at 4 seconds and e
1 foot at 6 seconds. 
.wed and wed night...sw winds 10 to 15 kt, increasing to 15 to
20 kt. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 2 ft at
4 seconds and se 1 foot at 9 seconds. 
.thu...sw winds around 15 kt with gusts up to 25 kt. seas 2 to
3 ft. a chance of rain. 
.thu night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of light freezing spray.  

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 180605
cwfbox
expires:202601181900;;082410

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz232-181900-
nantucket sound-
104 am est sun jan 18 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 5 seconds and se 2 ft at 10 seconds. 
.sun...s winds around 5 kt, becoming ne in the afternoon. seas
2 to 3 ft. wave detail: s 2 ft at 9 seconds and w 1 foot at
5 seconds. a chance of rain in the morning, then snow with rain
likely in the afternoon. vsby 1 to 3 nm. 
.sun night...ne winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: nw 2 ft at 5 seconds and e 2 ft at
8 seconds. snow. a chance of rain in the evening. vsby 1 nm or
less. 
.mon...w winds 15 to 20 kt, becoming sw 20 to 25 kt with gusts up
to 30 kt in the afternoon. seas 2 to 3 ft, building to 3 to 5 ft
in the afternoon. wave detail: w 2 ft at 4 seconds and se 2 ft at
8 seconds, becoming sw 4 ft at 5 seconds and se 2 ft at
9 seconds. 
.mon night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 3 to 5 ft. wave detail: w 5 ft at 5 seconds
and se 2 ft at 9 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: w 4 ft at 5 seconds and s 2 ft at
9 seconds. a chance of light freezing spray. 
.wed...sw winds 15 to 20 kt. seas 2 to 4 ft. 
.wed night...sw winds 20 to 25 kt. seas 3 to 5 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night...w winds 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 180605
cwfbox
expires:202601181900;;082411

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz233-181900-
vineyard sound-
104 am est sun jan 18 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: s 4 ft at 9 seconds and sw 3 ft at 7 seconds. 
.sun...s winds around 5 kt, becoming ne in the afternoon. seas
2 to 4 ft. wave detail: s 4 ft at 9 seconds and sw 1 foot at
6 seconds. a chance of rain in the morning, then snow with rain
likely in the afternoon. vsby 1 to 3 nm. 
.sun night...ne winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 8 seconds and nw
2 ft at 5 seconds. snow. vsby 1 nm or less. 
.mon...w winds 15 to 20 kt, becoming sw 25 to 30 kt in the
afternoon. seas 2 to 3 ft, building to 4 to 6 ft in the
afternoon. wave detail: w 3 ft at 4 seconds and s 2 ft at
8 seconds, becoming sw 6 ft at 6 seconds and s 3 ft at
10 seconds. 
.mon night...w winds 25 to 30 kt. seas 4 to 6 ft. wave detail: sw
6 ft at 7 seconds and s 4 ft at 9 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 7 seconds and s 3 ft at
9 seconds. a chance of light freezing spray. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.wed night...sw winds 20 to 25 kt. seas 5 to 7 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. a chance of rain. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of light freezing spray.  

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 180605
cwfbox
expires:202601181900;;082412

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz234-181900-
buzzards bay-
104 am est sun jan 18 2026

.rest of tonight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 7 seconds and s 3 ft at 9 seconds. 
.sun...sw winds around 5 kt, becoming ne in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 9 seconds and sw 1 foot at
7 seconds. a chance of rain. a chance of snow in the morning,
then snow in the afternoon. vsby 1 to 3 nm. 
.sun night...ne winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: s 2 ft at 7 seconds. snow. vsby
1 nm or less. 
.mon...w winds 15 to 20 kt, becoming sw 20 to 25 kt with gusts up
to 30 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 4 ft
at 5 seconds and se 2 ft at 8 seconds. 
.mon night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 4 ft. wave detail: sw 4 ft at 6 seconds and s 3 ft at
9 seconds. 
.tue and tue night...w winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 7 seconds and s 2 ft at 9 seconds. a chance of
light freezing spray. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.wed night...sw winds 20 to 25 kt. seas 3 to 5 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night...w winds 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 180605
cwfbox
expires:202601181900;;082413

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz235-181900-
rhode island sound-
104 am est sun jan 18 2026

...small craft advisory in effect until 10 am est this morning...

.rest of tonight...sw winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: s 5 ft at 9 seconds and sw 3 ft at 6 seconds. 
.sun...s winds around 5 kt, becoming ne in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 9 seconds and sw 1 foot at
5 seconds. a chance of rain. a chance of snow in the morning,
then snow in the afternoon. vsby 1 nm or less, increasing to 1 to
3 nm in the afternoon. 
.sun night...ne winds 10 to 15 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: s 4 ft at 8 seconds and nw 2 ft at
4 seconds. snow. vsby 1 nm or less. 
.mon...w winds 15 to 20 kt, increasing to 25 to 30 kt in the
afternoon. seas 3 to 4 ft, building to 4 to 6 ft in the
afternoon. wave detail: w 3 ft at 4 seconds and s 3 ft at
8 seconds, becoming sw 6 ft at 7 seconds and s 4 ft at
11 seconds. 
.mon night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 5 to 7 ft. wave detail: w 7 ft at 7 seconds
and s 7 ft at 10 seconds. 
.tue...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: w 6 ft at 8 seconds and s
5 ft at 9 seconds. a chance of light freezing spray. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of light freezing spray in the evening. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. 
.thu...sw winds 20 to 25 kt. seas 5 to 7 ft. a chance of rain. 
.thu night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 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 180605
cwfbox
expires:202601181900;;082416

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz236-181900-
narragansett bay-
104 am est sun jan 18 2026

.rest of tonight...sw winds around 5 kt. waves 2 to 3 ft. 
.sun...sw winds around 5 kt, becoming ne in the afternoon. waves
2 to 3 ft. snow with a chance of rain. vsby 1 nm or less. 
.sun night...n winds 5 to 10 kt, becoming nw after midnight.
waves 2 to 3 ft. snow, mainly in the evening. vsby 1 nm or less. 
.mon...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 4 ft. 
.mon night through tue night...w winds 15 to 20 kt with gusts up
to 25 kt. waves 2 to 4 ft. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
3 to 5 ft. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
4 ft. a chance of rain. 
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. waves
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 180605
cwfbox
expires:202601181900;;082404

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz250-181900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am est sun jan 18 2026

...small craft advisory in effect until 10 am est this morning...

.rest of tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: w 3 ft at 4 seconds and se 3 ft at 10 seconds. 
.sun...sw winds 5 to 10 kt, becoming ne in the afternoon. seas
2 to 4 ft. wave detail: se 3 ft at 10 seconds and w 2 ft at
4 seconds. a chance of rain and snow in the morning, then rain
and snow likely in the afternoon. 
.sun night...ne winds 10 to 15 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: e 3 ft at
9 seconds and n 2 ft at 4 seconds. snow. vsby 1 nm or less. 
.mon...w winds 10 to 15 kt with gusts up to 20 kt, becoming sw
20 to 25 kt with gusts up to 30 kt in the afternoon. seas 3 to
5 ft. wave detail: sw 4 ft at 4 seconds and se 4 ft at
11 seconds. 
.mon night...w winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: w 6 ft at 5 seconds and se 4 ft at
11 seconds. 
.tue...w winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: w 6 ft at 5 seconds and se 2 ft at 10 seconds.
a chance of light freezing spray.
.tue night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 3 to 5 ft. a chance of light freezing spray.
.wed and wed night...sw winds 15 to 20 kt, increasing to 20 to
25 kt. gusts up to 30 kt. seas 3 to 5 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. a chance of rain. 
.thu night...w winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. a chance of light freezing spray.  

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 180605
cwfbox
expires:202601181900;;082407

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz254-181900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am est sun jan 18 2026

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

.rest of tonight...w winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: s 5 ft at 9 seconds and w 2 ft at 4 seconds. 
.sun...sw winds around 5 kt, becoming ne in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 9 seconds and nw 1 foot at
4 seconds. a chance of rain in the morning, then rain in the
afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 3 to 4 ft. wave detail: se 4 ft at
8 seconds and nw 2 ft at 4 seconds. snow. rain in the evening,
then a chance of rain after midnight. vsby 1 nm or less. 
.mon...w winds 10 to 15 kt with gusts up to 20 kt, becoming sw
20 to 25 kt with gusts up to 30 kt in the afternoon. seas 3 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: se
4 ft at 8 seconds and w 3 ft at 4 seconds, becoming sw 6 ft at
5 seconds and se 6 ft at 10 seconds. 
.mon night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: w 6 ft at 5 seconds and s 6 ft at
10 seconds. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: w 5 ft at 5 seconds and s 3 ft at
10 seconds. a chance of light freezing spray. 
.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 with gusts up to 25 kt. seas
4 to 6 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. a chance of rain. 
.thu night...w winds 20 to 25 kt. seas 4 to 6 ft. a chance of
rain.  

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 180605
cwfbox
expires:202601181900;;082408

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sun jan 18 2026

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


anz255-181900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am est sun jan 18 2026

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

.rest of tonight...w winds 5 to 10 kt. seas 4 to 6 ft. wave
detail: s 6 ft at 9 seconds and sw 4 ft at 7 seconds. 
.sun...se winds around 5 kt, becoming ne 10 to 15 kt in the
afternoon. seas 4 to 6 ft. wave detail: s 6 ft at 8 seconds. a
chance of rain in the morning, then rain and snow in the
afternoon. vsby 1 to 3 nm. 
.sun night...ne winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. seas 3 to 4 ft. wave detail: s 4 ft at
8 seconds and nw 3 ft at 6 seconds. a chance of rain. snow in the
evening, then a chance of snow after midnight. vsby 1 nm or less.
.mon...w winds 15 to 20 kt, increasing to 25 to 30 kt in the
afternoon. seas 3 to 5 ft, building to 5 to 7 ft in the
afternoon. wave detail: w 5 ft at 5 seconds and s 5 ft at
10 seconds, becoming sw 7 ft at 8 seconds and s 5 ft at
10 seconds. 
.mon night...w winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. wave detail: sw 8 ft at 8 seconds and se 5 ft at
10 seconds. 
.tue and tue night...nw winds 20 to 25 kt. seas 5 to 7 ft. wave
detail: sw 7 ft at 8 seconds and se 2 ft at 10 seconds. a chance
of light freezing spray.
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. 
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
7 to 10 ft. 
.thu...sw winds 20 to 25 kt. seas 6 to 9 ft. a chance of rain. 
.thu night...nw winds 20 to 25 kt. seas 5 to 8 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.

$$