fzus51 kbox 211744
cwfbox
expires:202604220600;;754487

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

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


anz230-220600-
boston harbor-
143 pm edt tue apr 21 2026

.this afternoon...e winds 5 to 10 kt. waves 1 foot or less.
.tonight...s winds 10 to 15 kt. waves around 2 ft. 
.wed...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. patchy fog. a chance of showers in
the evening. 
.thu and thu night...nw winds 10 to 15 kt. waves around 2 ft. 
.fri through sat night...sw 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 211744
cwfbox
expires:202604220600;;754488

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

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


anz236-220600-
narragansett bay-
143 pm edt tue apr 21 2026

.this afternoon...s winds 5 to 10 kt. waves 1 foot or less. 
.tonight...s winds around 10 kt. waves 1 foot or less, then
around 2 ft after midnight. 
.wed...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers likely. patchy fog in the afternoon with vsby 1 to
3 nm. 
.wed night...se winds 5 to 10 kt. waves around 2 ft. patchy fog.
a chance of showers in the evening. vsby 1 to 3 nm after
midnight. 
.thu and thu night...n winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.fri through sat night...e winds 5 to 10 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.

$$