fzus51 kbox 212104
cwfbox
expires:202601221000;;288361

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm est wed jan 21 2026

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


anz230-221000-
boston harbor-
404 pm est wed jan 21 2026

.tonight...sw winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. a chance of rain. a chance of snow this evening,
then a slight chance of snow after midnight. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. 
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.fri...w winds 15 to 20 kt. gusts up to 30 kt in the afternoon.
waves around 2 ft. 
.fri night through sat night...nw winds 20 to 25 kt with gusts up
to 30 kt. waves around 2 ft. 
.sun...n winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. snow likely. vsby 1 nm or less. 
.sun night...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. light freezing spray. snow likely. vsby 1 nm or less. 
.mon...n winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. snow likely. vsby 1 nm or less. 
.mon night...nw winds 20 to 25 kt. waves around 2 ft, except 3 to
5 ft at the outer harbor entrance. 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 212104
cwfbox
expires:202601221000;;288350

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm est wed jan 21 2026

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


anz250-221000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm est wed jan 21 2026

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

.tonight...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 2 ft at 10 seconds.
a chance of rain. a slight chance of snow this evening. 
.thu...sw winds 20 to 25 kt, becoming w 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw
5 ft at 5 seconds and se 2 ft at 11 seconds. 
.thu night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: w 5 ft at 5 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. wave detail: w 5 ft at 5 seconds and se 2 ft at 11 seconds.
.fri night and sat...nw winds 25 to 30 kt with gusts up to 40 kt.
seas 5 to 8 ft. wave detail: w 7 ft at 6 seconds and se 1 foot at
11 seconds. freezing spray. 
.sat night...nw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail:
nw 5 ft at 5 seconds and se 1 foot at 11 seconds. light freezing
spray in the evening. 
.sun...ne winds 15 to 20 kt with gusts up to 25 kt. seas around
3 ft. snow likely. vsby 1 nm or less. 
.sun night and mon...ne winds around 20 kt with gusts up to
25 kt. seas 3 to 4 ft. light freezing spray. snow likely. vsby
1 nm or less. 
.mon night...nw winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 ft. light 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.

$$