fzus51 kbox 131805
cwfbox
expires:202512140700;;521725

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

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


anz230-140700-
boston harbor-
104 pm est sat dec 13 2025

.this afternoon...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 131805
cwfbox
expires:202512140700;;521714

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

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


anz250-140700-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm est sat dec 13 2025

...small craft advisory in effect until 1 am est sunday...
...gale watch in effect from sunday evening through monday
afternoon...

.this afternoon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: sw 3 ft at 4 seconds and se 1 foot
at 10 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.

$$