fzus51 kbox 221405
cwfbox
expires:202604230300;;800536

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt wed apr 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz230-230300-
boston harbor-
1005 am edt wed apr 22 2026

.this afternoon...s winds 10 to 15 kt. gusts up to 20 kt. waves
around 2 ft. scattered showers. 
.tonight...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less.
scattered showers in the evening. 
.thu...w winds 5 to 10 kt, becoming nw 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. 
.thu night...nw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. waves around 2 ft in the evening, then 1 foot or
less. 
.fri and fri night...n winds 5 to 10 kt. waves 1 foot or less. 
.sat through sun night...e winds 5 to 10 kt. waves 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 221405
cwfbox
expires:202604230300;;800525

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt wed apr 22 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-230300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt wed apr 22 2026

.this afternoon...s winds around 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at
7 seconds. isolated showers, then scattered showers. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: s 3 ft at 4 seconds and e 2 ft at 9 seconds. scattered
showers in the evening. 
.thu...sw winds 5 to 10 kt, becoming nw in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 4 seconds and e 2 ft at
9 seconds. 
.thu night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 7 seconds and nw 1 foot at 3 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 2 ft at 4 seconds and e 2 ft at 7 seconds. 
.sat through sun night...e winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 2 ft at 4 seconds and e 2 ft at 14 seconds.  

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.

$$