fzus51 kbox 121805
cwfbox
expires:202512130700;;461771

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz231-130700-
cape cod bay-
105 pm est fri dec 12 2025

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 4 ft. wave detail: w 4 ft at 5 seconds and s 1 foot at
9 seconds. 
.tonight...w winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 2 to 3 ft. wave
detail: w 3 ft at 5 seconds. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: w 2 ft at 5 seconds. 
.sat 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: w 2 ft at 3 seconds and se 1 foot at 7 seconds. snow
after midnight with vsby 1 to 3 nm. 
.sun...nw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 4 seconds and se 1 foot at 9 seconds. snow. vsby 1 nm or
less. 
.sun night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 4 ft, building to 4 to 6 ft after midnight. wave detail: nw
4 ft at 5 seconds and ne 2 ft at 8 seconds, becoming n 6 ft at
7 seconds. snow likely in the evening, then a chance of snow
showers after midnight. vsby 1 nm or less in the evening. 
.mon...nw winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. 
.mon night through tue night...sw winds 15 to 20 kt with gusts up
to 30 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 121805
cwfbox
expires:202512130700;;461775

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz232-130700-
nantucket sound-
105 pm est fri dec 12 2025

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 5 ft. wave detail: w 5 ft at 5 seconds and s 1 foot at
9 seconds. 
.tonight...w 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: w 4 ft at 5 seconds. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 1 foot at
7 seconds. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 3 ft at 4 seconds and se 1 foot at
9 seconds. a chance of rain. snow after midnight with vsby 1 to
3 nm. 
.sun...nw winds 10 to 15 kt, becoming n 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 3 seconds and se 1 foot at 8 seconds. snow. vsby 1 nm or
less. 
.sun night...nw winds 25 to 30 kt with gusts up to 40 kt. seas
3 to 5 ft. wave detail: nw 5 ft at 5 seconds and e 1 foot at
8 seconds. a chance of snow in the evening, then a chance of snow
showers after midnight. light freezing spray after midnight. vsby
1 nm or less in the evening. 
.mon and mon night...nw winds 25 to 30 kt with gusts up to 40 kt,
becoming w 20 to 25 kt. seas 3 to 5 ft. light freezing spray. 
.tue and tue night...w winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 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 121805
cwfbox
expires:202512130700;;461776

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz233-130700-
vineyard sound-
105 pm est fri dec 12 2025

.this afternoon...w winds around 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: w 5 ft at 6 seconds. 
.tonight...w 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: w 4 ft at 6 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and
se 1 foot at 9 seconds. 
.sat night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail:
sw 3 ft at 5 seconds and se 1 foot at 8 seconds. a chance of
rain. snow after midnight with vsby 1 to 3 nm. 
.sun...n winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 5 seconds and se 1 foot at 8 seconds. snow. vsby 1 nm or less.
.sun night...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 e 1 foot at
8 seconds. light freezing spray after midnight. 
.mon...nw winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
4 ft. light freezing spray. 
.mon night through tue night...w winds 15 to 20 kt with gusts up
to 25 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 121805
cwfbox
expires:202512130700;;461777

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz234-130700-
buzzards bay-
105 pm est fri dec 12 2025

.this afternoon...w winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: sw 4 ft at 6 seconds and s 1 foot at
9 seconds. 
.tonight...w 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 3 ft. wave detail: sw 3 ft at 6 seconds. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot
at 9 seconds. 
.sat 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 3 ft at 5 seconds and se 1 foot at 9 seconds. snow
after midnight with vsby 1 to 3 nm. 
.sun...n winds 10 to 15 kt, becoming nw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 5 seconds and se 1 foot at 8 seconds. snow. vsby 1 nm or less.
.sun night...nw winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas around 3 ft. wave detail: nw 3 ft at
4 seconds and e 1 foot at 8 seconds. light freezing spray. a
chance of snow in the evening. 
.mon...nw winds 25 to 30 kt with gusts up to 35 kt. seas around
3 ft. light freezing spray. 
.mon night through tue night...w winds 15 to 20 kt with gusts up
to 25 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 121805
cwfbox
expires:202512130700;;461778

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz235-130700-
rhode island sound-
105 pm est fri dec 12 2025

.this afternoon...w winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: w 5 ft at 6 seconds and s 1 foot at
9 seconds. 
.tonight...w 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: sw 4 ft at 7 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 5 seconds and
s 1 foot at 10 seconds. 
.sat night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail:
sw 4 ft at 6 seconds and se 1 foot at 9 seconds. a chance of
rain. snow after midnight with vsby 1 nm or less. 
.sun...n winds 10 to 15 kt, becoming nw 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 4 seconds and se 1 foot at 8 seconds. snow. vsby 1 nm or
less. 
.sun night...nw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: nw 5 ft at 5 seconds and se 1 foot at
10 seconds. 
.mon...nw winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. 
.mon night through tue night...w winds 15 to 20 kt with gusts up
to 25 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 121805
cwfbox
expires:202512130700;;461781

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz236-130700-
narragansett bay-
105 pm est fri dec 12 2025

.this afternoon...w winds around 15 kt with gusts up to 30 kt.
waves around 3 ft. 
.tonight...w winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. 
.sat...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 foot or less, then 2 to 3 ft in the afternoon. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. a
chance of snow in the evening, then snow after midnight with vsby
1 to 3 nm. 
.sun...n winds 5 to 10 kt, becoming nw 10 to 15 kt with gusts up
to 25 kt in the afternoon. waves 2 to 3 ft. snow. vsby 1 nm or
less. 
.sun night...nw winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. waves around 3 ft. 
.mon through tue night...w winds 20 to 25 kt with gusts up to
30 kt. waves 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 121805
cwfbox
expires:202512130700;;461769

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz250-130700-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm est fri dec 12 2025

...gale warning in effect until 7 pm est this evening...

.this afternoon...w winds 25 to 30 kt with gusts up to 35 kt.
seas 5 to 7 ft. wave detail: w 7 ft at 6 seconds and se 1 foot at
10 seconds. 
.tonight...w winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
seas 4 to 6 ft. wave detail: w 6 ft at 6 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and e
1 foot at 8 seconds. 
.sat night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 4 seconds and se 1 foot at 10 seconds. snow likely
after midnight with vsby 1 to 3 nm. 
.sun...nw winds 10 to 15 kt, becoming n 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 4 seconds and se 1 foot at 9 seconds. snow likely. vsby
1 nm or less. 
.sun night...nw winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 ft. wave detail: n 7 ft at 6 seconds and e 4 ft at
10 seconds. a chance of snow in the evening, then a chance of
snow showers after midnight. vsby 1 nm or less, increasing to
1 to 3 nm after midnight. 
.mon...nw winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. 
.mon night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. 
.tue and tue night...w winds 15 to 20 kt with gusts up to 25 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 121805
cwfbox
expires:202512130700;;461772

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz254-130700-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 pm est fri dec 12 2025

...gale warning in effect until 7 pm est this evening...

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 5 to 7 ft. wave detail: w 7 ft at 7 seconds and se 1 foot at
9 seconds. 
.tonight...w winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w 6 ft
at 6 seconds and se 1 foot at 9 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 3 ft at 6 seconds and
se 1 foot at 9 seconds. 
.sat night...w winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
9 seconds. a chance of rain. snow after midnight with vsby 1 to
3 nm. 
.sun...nw winds 10 to 15 kt, becoming n 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 4 seconds and se 1 foot at 8 seconds. snow. vsby 1 nm or
less. 
.sun night...nw winds 25 to 30 kt with gusts up to 40 kt. seas
4 to 6 ft, building to 5 to 8 ft after midnight. wave detail: n
6 ft at 5 seconds and se 2 ft at 9 seconds, becoming nw 8 ft at
7 seconds and se 4 ft at 10 seconds. snow likely in the evening,
then a chance of snow showers after midnight. vsby 1 nm or less.
.mon...nw winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
8 ft. a chance of snow showers. vsby 1 to 3 nm. 
.mon night...nw winds 15 to 20 kt with gusts up to 30 kt. seas
4 to 6 ft. 
.tue...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.tue night...w winds 10 to 15 kt with gusts up to 25 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 121805
cwfbox
expires:202512130700;;461773

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est fri dec 12 2025

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


anz255-130700-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 pm est fri dec 12 2025

...gale warning in effect until 7 pm est this evening...

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 5 to 8 ft. wave detail: w 8 ft at 8 seconds. 
.tonight...w winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 5 to 7 ft,
subsiding to 3 to 5 ft after midnight. wave detail: w 7 ft at
7 seconds, becoming w 5 ft at 7 seconds. 
.sat...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and se 1 foot at 10 seconds. 
.sat night...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw 5 ft
at 6 seconds and se 1 foot at 9 seconds. a chance of rain in the
evening, then rain and snow after midnight with vsby 1 to 3 nm. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt, increasing to
20 to 25 kt with gusts up to 30 kt in the afternoon. seas 2 to
4 ft. wave detail: nw 4 ft at 5 seconds and se 1 foot at
8 seconds. snow, mainly in the morning. vsby 1 to 3 nm. 
.sun night...nw winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. seas 4 to 6 ft, building to 5 to 8 ft after midnight.
wave detail: nw 6 ft at 6 seconds and se 2 ft at 10 seconds,
becoming nw 8 ft at 7 seconds and se 3 ft at 9 seconds. a chance
of snow in the evening. light freezing spray after midnight. vsby
1 nm or less, increasing to 1 to 3 nm after midnight. 
.mon...nw winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
8 ft. light freezing spray. 
.mon night and tue...nw winds 20 to 25 kt, becoming w 15 to
20 kt. gusts up to 30 kt. seas 4 to 6 ft. 
.tue night...w winds 15 to 20 kt. seas 3 to 5 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.

$$