fzus51 kbox 212305
cwfbox
expires:202604221200;;768913

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

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


anz230-221200-
boston harbor-
705 pm edt tue apr 21 2026

.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...w winds 5 to 10 kt, becoming nw 10 to 15 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...nw 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 212305
cwfbox
expires:202604221200;;768914

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

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


anz236-221200-
narragansett bay-
705 pm edt tue apr 21 2026

.tonight...s winds around 10 kt. waves 1 foot or less, then
around 2 ft after midnight. a slight chance of showers 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...nw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. 
.thu night and fri...nw winds 5 to 10 kt. waves around 2 ft. 
.fri night...se winds 5 to 10 kt, becoming ne after midnight.
waves 1 foot or less. 
.sat through sun night...ne 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.

$$