fzus51 kbox 221204
cwfbox
expires:202512230100;;024948

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est mon dec 22 2025

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


anz230-230100-
boston harbor-
704 am est mon dec 22 2025

...small craft advisory in effect until 1 pm est this afternoon...

.today...nw winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt this afternoon. waves
around 2 ft. 
.tonight...w winds 5 to 10 kt. waves 1 foot or less. 
.tue...sw winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less. snow. vsby 1 to 3 nm in the afternoon. 
.tue night...s winds 5 to 10 kt, becoming w 15 to 20 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
rain and snow, mainly in the evening. vsby 1 to 3 nm. 
.wed...nw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. a chance of rain and snow in the morning. 
.wed night...nw winds 5 to 10 kt, becoming w after midnight.
waves 1 foot or less. 
.thu and thu night...sw winds 10 to 15 kt, becoming nw. waves
around 2 ft. 
.fri...e winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. rain likely. 
.fri night...n winds 15 to 20 kt. waves around 2 ft, except 4 to
6 ft at the outer harbor entrance. rain likely with a chance of
snow. vsby 1 to 3 nm.  

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 221204
cwfbox
expires:202512230100;;024937

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 am est mon dec 22 2025

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


anz250-230100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
704 am est mon dec 22 2025

...small craft advisory in effect until 7 pm est this evening...

.today...nw winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. gusts up to 30 kt. seas 5 to 7 ft. wave detail: nw
7 ft at 6 seconds and e 2 ft at 10 seconds. 
.tonight...w winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: w 3 ft at 5 seconds and e 2 ft at 9 seconds. 
.tue...w winds around 10 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: w 2 ft at 4 seconds and e 1 foot at
10 seconds. a chance of snow and rain in the morning, then rain
in the afternoon with vsby 1 to 3 nm. 
.tue night...s winds 10 to 15 kt, becoming w 20 to 25 kt after
midnight. seas 2 to 4 ft. wave detail: sw 3 ft at 4 seconds and e
1 foot at 10 seconds. rain. vsby 1 to 3 nm. 
.wed...n winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: ne 6 ft at 7 seconds. a chance of rain and
snow in the morning with vsby 1 to 3 nm. 
.wed night...n winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas 4 to 6 ft, subsiding to 2 to 4 ft after
midnight. wave detail: e 6 ft at 9 seconds and n 4 ft at
6 seconds, becoming e 4 ft at 9 seconds and nw 1 foot at
5 seconds. 
.thu and thu night...w winds 10 to 15 kt, becoming nw. gusts up
to 20 kt. seas 3 to 4 ft. 
.fri...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. rain likely. 
.fri night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 8 ft. rain likely.  

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.

$$