fzus51 kbox 210804
cwfbox
expires:202604212100;;734789

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt tue apr 21 2026

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


anz230-212100-
boston harbor-
404 am edt tue apr 21 2026

.today...ne winds 5 to 10 kt, becoming se 10 to 15 kt this
afternoon. waves 1 foot or less. 
.tonight...s winds 10 to 15 kt. waves around 2 ft. 
.wed...s winds around 10 kt. waves around 2 ft. a chance of rain.
.wed night...s winds 5 to 10 kt. waves 1 foot or less. a chance
of rain in the evening. 
.thu...w winds 5 to 10 kt, becoming nw in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. a chance of
showers in the afternoon. 
.thu night...nw winds 5 to 10 kt. waves 1 foot or less. 
.fri through sat night...s 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 210804
cwfbox
expires:202604212100;;734790

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt tue apr 21 2026

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


anz236-212100-
narragansett bay-
404 am edt tue apr 21 2026

.today...n winds 5 to 10 kt, becoming s this afternoon. waves
around 2 ft this morning, then 1 foot or less.
.tonight...s winds around 10 kt. waves 1 foot or less. 
.wed...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. rain likely. 
.wed night...se winds 5 to 10 kt, becoming e after midnight.
waves around 2 ft. rain likely in the evening. 
.thu and thu night...nw winds 5 to 10 kt. waves around 2 ft. 
.fri through sat...e winds 5 to 10 kt. waves around 2 ft. 
.sat night...e winds 5 to 10 kt. waves 1 foot or less. a chance
of showers.  

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.

$$