fzus51 kbox 201805
cwfbox
expires:202512210700;;926786

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est sat dec 20 2025

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


anz230-210700-
boston harbor-
104 pm est sat dec 20 2025

.this afternoon...sw winds 5 to 10 kt. waves around 2 ft. 
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. waves
around 2 ft. 
.sun...w winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. 
.sun night...nw winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. 
.mon and mon night...w winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. 
.tue...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. snow with rain likely. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. a chance of rain. 
.wed and wed night...nw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 10 to 15 kt. waves around 2 ft, then 1 foot or less.  

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 201805
cwfbox
expires:202512210700;;926775

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est sat dec 20 2025

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


anz250-210700-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm est sat dec 20 2025

.this afternoon...w winds 10 to 15 kt with gusts up to 20 kt.
seas 5 to 7 ft. wave detail: w 5 ft at 5 seconds and se 5 ft at
11 seconds. 
.tonight...sw winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 4 to 6 ft. wave detail: sw 6 ft at 5 seconds and
se 4 ft at 11 seconds. 
.sun...w winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: sw 6 ft at 5 seconds and se 3 ft at
10 seconds. 
.sun night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: nw 6 ft at 5 seconds and se 3 ft at
10 seconds. 
.mon...nw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 5 to 8 ft, subsiding to 4 to
6 ft in the afternoon. wave detail: nw 6 ft at 6 seconds and e
2 ft at 10 seconds, becoming nw 5 ft at 5 seconds and e 2 ft at
10 seconds. 
.mon night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: w 4 ft at 5 seconds and e 2 ft at
10 seconds. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. rain with a chance of snow. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. a chance of rain. 
.wed...nw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. 
.wed night...nw winds 10 to 15 kt with gusts up 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.

$$