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fzus51 kbox 131204
cwfbox
expires:202512140100;;506900

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est sat dec 13 2025

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


anz230-140100-
boston harbor-
704 am est sat dec 13 2025

.today...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.tonight...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves around 2 ft in the evening, then 1 foot or less. a chance
of snow in the evening, then snow likely after midnight with vsby
1 to 3 nm. 
.sun...nw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft. snow likely,
mainly in the morning with vsby 1 to 3 nm. 
.sun night...nw winds 15 to 20 kt with gusts up to 30 kt. waves
around 2 ft. 
.mon and mon night...w winds 20 to 25 kt with gusts up to 30 kt.
waves around 2 ft. 
.tue through wed night...w winds 15 to 20 kt with gusts up to
30 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 131204
cwfbox
expires:202512140100;;506889

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est sat dec 13 2025

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


anz250-140100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
704 am est sat dec 13 2025

...small craft advisory in effect through late tonight...
...gale watch in effect from sunday evening through monday
afternoon...

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

$$
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