fzus51 kbox 150306
cwfbox
expires:202512151600;;601445

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz231-151600-
cape cod bay-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...

.overnight...nw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: n 6 ft at 7 seconds and s 1 foot at
7 seconds. light freezing spray. snow showers likely. a chance of
snow showers. vsby 1 to 3 nm. 
.mon...nw winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: nw 6 ft at 7 seconds and
n 5 ft at 8 seconds. light freezing spray. 
.mon night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 4 ft. wave detail: nw 4 ft at 7 seconds
and se 1 foot at 10 seconds. 
.tue...w winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 6 seconds and ne 1 foot at 7 seconds. 
.tue night and wed...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and n 1 foot at
5 seconds. 
.wed night...w 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: sw 2 ft at 4 seconds and se 1 foot at 10 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.thu night and fri...s winds 25 to 30 kt, becoming sw. gusts up
to 40 kt. seas 4 to 6 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 25 to 30 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 150306
cwfbox
expires:202512151600;;601449

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz232-151600-
nantucket sound-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...
...freezing spray advisory in effect until 10 am est monday...

.overnight...nw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: nw 5 ft at 4 seconds and n 3 ft at
5 seconds. light freezing spray. snow showers likely. a chance of
snow showers. vsby 1 nm or less. 
.mon...nw winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: nw 5 ft at 4 seconds and
ne 3 ft at 8 seconds. light freezing spray. 
.mon night...w winds 15 to 20 kt. seas 2 to 4 ft. wave detail: w
3 ft at 4 seconds and sw 2 ft at 7 seconds. 
.tue...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 3 seconds and sw 1 foot at 7 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds
and n 1 foot at 6 seconds. 
.wed and wed night...nw winds 20 to 25 kt. seas 3 to 5 ft. wave
detail: sw 4 ft at 5 seconds and se 1 foot at 11 seconds. 
.thu...s winds 15 to 20 kt. seas 2 to 3 ft. 
.thu night and fri...s winds 25 to 35 kt, becoming sw. seas 4 to
6 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 30 to 35 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 150306
cwfbox
expires:202512151600;;601450

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz233-151600-
vineyard sound-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...
...freezing spray advisory in effect until 10 am est monday...

.overnight...nw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 4 ft. wave detail: nw 4 ft at 4 seconds and n 2 ft at
5 seconds. light freezing spray. a chance of snow showers. 
.mon...nw winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 3 to 5 ft. wave detail: w 4 ft at 6 seconds and
ne 2 ft at 7 seconds. light freezing spray. 
.mon night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 3 ft. wave detail: w 3 ft at 5 seconds
and ne 2 ft at 8 seconds. 
.tue...w winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 6 seconds and
ne 1 foot at 7 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. seas 2 to 4 ft. wave detail: w 4 ft at 4 seconds
and se 1 foot at 11 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and w 1 foot at
4 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. seas 3 to 5 ft. 
.thu...s winds 15 to 20 kt. seas 2 to 4 ft. 
.thu night...s winds 30 to 40 kt with gusts up to 45 kt. seas
4 to 6 ft. rain likely. 
.fri...sw winds 30 to 40 kt with gusts up to 45 kt. seas 5 to
7 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 30 to 35 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 150306
cwfbox
expires:202512151600;;601451

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz234-151600-
buzzards bay-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...
...freezing spray advisory in effect until 10 am est monday...

.overnight...nw winds 25 to 30 kt. seas around 3 ft. wave detail:
n 3 ft at 5 seconds and s 1 foot at 6 seconds. light freezing
spray. a chance of snow showers. 
.mon...nw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 2 to 3 ft. wave detail: w 3 ft
at 5 seconds and ne 3 ft at 7 seconds. light freezing spray. 
.mon night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: w 2 ft at 5 seconds and ne
2 ft at 7 seconds. 
.tue...w winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 5 seconds and ne 1 foot at 7 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. seas 2 to 4 ft. wave detail: w 4 ft at 4 seconds
and n 1 foot at 5 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 5 seconds and se 1 foot at
10 seconds. 
.wed night...w winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 4 ft. 
.thu...s winds 15 to 20 kt. seas 2 to 3 ft. 
.thu night and fri...s winds 30 to 40 kt, becoming sw. seas 4 to
6 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 25 to 30 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 150306
cwfbox
expires:202512151600;;601452

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz235-151600-
rhode island sound-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...

.overnight...nw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: n 5 ft at 5 seconds and s 3 ft at
10 seconds. a slight chance of snow showers. 
.mon...nw winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: w 5 ft at 6 seconds and s
3 ft at 10 seconds. 
.mon night...w winds 15 to 20 kt. seas 2 to 4 ft. wave detail: w
3 ft at 5 seconds and ne 1 foot at 8 seconds. 
.tue...nw winds 10 to 15 kt, becoming w 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: w 3 ft at 6 seconds and
se 1 foot at 11 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. seas around 2 ft, building to 3 to 5 ft after
midnight. wave detail: sw 2 ft at 6 seconds and w 1 foot at
3 seconds, becoming sw 5 ft at 5 seconds and se 1 foot at
11 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 7 ft at 6 seconds and se 1 foot at
10 seconds. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 4 to 6 ft. 
.thu...s winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.thu night...s winds 30 to 40 kt with gusts up to 45 kt. seas
5 to 8 ft. rain likely. 
.fri...sw winds 30 to 40 kt with gusts up to 45 kt. seas 6 to
9 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 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 150306
cwfbox
expires:202512151600;;601455

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz236-151600-
narragansett bay-
1006 pm est sun dec 14 2025

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

.overnight...nw winds 20 to 25 kt with gusts up to 30 kt. waves
around 3 ft. a slight chance of snow showers. 
.mon...nw winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. waves
2 to 3 ft. 
.mon night...w winds 5 to 10 kt. waves around 2 ft. 
.tue...w winds 5 to 10 kt, becoming sw in the afternoon. waves
around 2 ft. 
.tue night and wed...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 4 ft. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 4 ft. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.thu night...s winds 30 to 35 kt with gusts up to 40 kt. waves
3 to 5 ft. rain likely. 
.fri...sw winds 25 to 35 kt with gusts up to 40 kt. waves 4 to
6 ft. rain likely. 
.fri night...nw winds 20 to 25 kt with gusts up to 30 kt. waves
2 to 3 ft, except 5 to 7 ft at the bay entrance.  

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 150306
cwfbox
expires:202512151600;;601443

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz250-151600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...

.overnight...nw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. wave detail: n 8 ft at 7 seconds and se 1 foot at
9 seconds. a chance of snow showers. vsby 1 to 3 nm. 
.mon...nw winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 5 to 8 ft. wave detail: n 7 ft at 7 seconds and
se 2 ft at 11 seconds. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft, subsiding to 3 to 4 ft after midnight. wave detail: w
5 ft at 5 seconds and ne 3 ft at 7 seconds, becoming w 4 ft at
5 seconds and ne 1 foot at 7 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: w 3 ft at 5 seconds and ne 1 foot at
7 seconds. 
.tue night...sw winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: w 3 ft at 3 seconds and se
1 foot at 11 seconds, becoming sw 4 ft at 4 seconds and se 1 foot
at 11 seconds. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: sw 5 ft at 5 seconds and se 1 foot at
10 seconds. 
.wed night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 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 and fri...s winds 25 to 30 kt, becoming sw. gusts up
to 40 kt. seas 4 to 6 ft. rain likely. 
.fri night...nw winds 25 to 30 kt with gusts up to 35 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.

$$

fzus51 kbox 150306
cwfbox
expires:202512151600;;601446

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz254-151600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...

.overnight...n winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft, building to 6 to 9 ft. wave detail: n 7 ft at
6 seconds and s 2 ft at 9 seconds, becoming nw 8 ft at 7 seconds
and n 7 ft at 8 seconds. snow showers likely this evening. vsby
1 nm or less. 
.mon...nw winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 6 to 9 ft. wave detail: w 7 ft at 7 seconds and n
7 ft at 8 seconds. light freezing spray in the morning. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft, subsiding to 3 to 5 ft after midnight. wave detail: w
6 ft at 6 seconds and n 5 ft at 8 seconds, becoming w 4 ft at
6 seconds and ne 3 ft at 8 seconds. 
.tue...w winds 10 to 15 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 6 seconds and ne 2 ft at 7 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: n 2 ft at 5 seconds and sw
2 ft at 5 seconds, becoming sw 4 ft at 5 seconds and n 1 foot at
4 seconds. 
.wed and wed night...nw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: sw 5 ft at 6 seconds and s 2 ft at
10 seconds. 
.thu...s winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. 
.thu night...s winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 ft. rain likely. 
.fri...sw winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 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 150306
cwfbox
expires:202512151600;;601447

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 pm est sun dec 14 2025

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


anz255-151600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1006 pm est sun dec 14 2025

...gale warning in effect through monday afternoon...

.overnight...nw winds 30 to 35 kt with gusts up to 40 kt. seas
6 to 9 ft. wave detail: nw 9 ft at 7 seconds and n 3 ft at
6 seconds. snow showers likely this evening. light freezing
spray. vsby 1 nm or less. 
.mon...nw winds 25 to 30 kt with gusts up to 35 kt, diminishing
to 20 to 25 kt in the afternoon. seas 6 to 9 ft. wave detail: w
8 ft at 7 seconds and ne 3 ft at 8 seconds. light freezing spray.
.mon night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 5 to 7 ft. wave detail: w 6 ft at 6 seconds
and ne 2 ft at 9 seconds. 
.tue...w winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. seas 4 to 6 ft, subsiding to 2 to 4 ft in the
afternoon. wave detail: w 4 ft at 7 seconds and nw 1 foot at
4 seconds, becoming sw 4 ft at 7 seconds and nw 1 foot at
4 seconds. 
.tue night...sw winds 10 to 15 kt, increasing to 20 to 25 kt
after midnight. seas 2 to 3 ft, building to 4 to 6 ft after
midnight. wave detail: sw 3 ft at 6 seconds and w 1 foot at
3 seconds, becoming w 6 ft at 5 seconds and se 1 foot at
10 seconds. 
.wed and wed night...nw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. wave detail: sw 8 ft at 7 seconds and w 1 foot at
4 seconds. 
.thu...se winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.thu night...s winds 30 to 40 kt with gusts up to 45 kt. seas
6 to 9 ft. rain likely. 
.fri...sw winds 30 to 40 kt with gusts up to 45 kt. seas 8 to
11 ft. rain likely. vsby 1 to 3 nm. 
.fri night...nw winds 30 to 40 kt with gusts up to 45 kt. seas
8 to 11 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.

$$