fzus51 kbox 201805
cwfbox
expires:202601210700;;224174

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

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


anz230-210700-
boston harbor-
105 pm est tue jan 20 2026

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

.this afternoon...w winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. 
.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...w winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft. 
.fri through sat night...nw winds 20 to 25 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 201805
cwfbox
expires:202601210700;;224163

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

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-
105 pm est tue jan 20 2026

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

.this afternoon...w winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: w 5 ft at 5 seconds and se 2 ft at
10 seconds. a chance of light freezing spray. 
.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 1 foot 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 5 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 4 seconds and se 2 ft at
11 seconds. 
.fri...w winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. 
.fri night and sat...nw winds 25 to 30 kt, diminishing to 20 to
25 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.  

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.

$$