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fzus51 kbox 210005
cwfbox
expires:202601211300;;239686

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm est tue jan 20 2026

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


anz230-211300-
boston harbor-
705 pm est tue jan 20 2026

.tonight...w winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. waves around 2 ft. 
.wed...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. a chance of snow in the evening, then a chance of
rain after midnight. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. a chance of rain in the morning. 
.thu night through fri night...nw winds 20 to 25 kt. waves around
2 ft. 
.sat and sat night...nw winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. waves around 2 ft. 
.sun and sun night...n winds 10 to 15 kt. gusts up to 20 kt.
waves around 2 ft. at the outer harbor entrance, waves around
2 ft, building to 3 to 5 ft. a chance of snow.  

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 210005
cwfbox
expires:202601211300;;239675

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 pm est tue jan 20 2026

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


anz250-211300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
705 pm est tue jan 20 2026

...small craft advisory in effect through thursday morning...

.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 5 ft
at 5 seconds and se 2 ft at 9 seconds. a chance of light freezing
spray. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: w 4 ft at 5 seconds and se 2 ft at 10 seconds.
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: s 5 ft at 5 seconds and se 1 foot at
10 seconds. a chance of rain. a chance of snow in the evening. 
.thu...sw winds around 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 4 ft at 6 seconds and se 2 ft at 11 seconds.
a chance of rain in the morning. 
.thu night...w winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: w 4 ft at 5 seconds and se 2 ft at
11 seconds. 
.fri...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w 5 ft
at 5 seconds and se 1 foot at 11 seconds. 
.fri night...nw winds 25 to 30 kt. seas 5 to 7 ft. a chance of
freezing spray. 
.sat...nw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. a chance of freezing spray. 
.sat night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 5 ft. a chance of freezing spray. a chance of snow. 
.sun...n winds around 15 kt with gusts up to 20 kt. seas 3 to
4 ft. a chance of snow. vsby 1 nm or less. 
.sun night...n winds 15 to 20 kt. seas 3 to 5 ft. a chance of
light freezing spray. a chance of snow. vsby 1 nm 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.

$$
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