fzus51 kbox 172004
cwfbox
expires:202605180900;;727635

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun may 17 2026

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


anz230-180900-
boston harbor-
404 pm edt sun may 17 2026

.tonight...nw winds 5 to 10 kt, becoming ne after midnight. waves
around 2 ft this evening, then 1 foot or less. 
.mon...e winds 5 to 10 kt, increasing to 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. 
.mon night...s winds 10 to 15 kt. waves around 2 ft. 
.tue...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. 
.tue night...sw winds around 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.wed and wed night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. showers likely through the night. 
.thu through fri...e winds 10 to 15 kt. waves around 2 ft. 
.fri night...se 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.

$$

fzus51 kbox 172004
cwfbox
expires:202605180900;;727636

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sun may 17 2026

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


anz236-180900-
narragansett bay-
404 pm edt sun may 17 2026

.tonight...sw winds 10 to 15 kt, becoming n 5 to 10 kt after
midnight. waves 2 to 3 ft. 
.mon...e winds 5 to 10 kt, becoming se in the afternoon. waves
around 2 ft. 
.mon night...s winds 5 to 10 kt. waves around 2 ft. patchy fog
after midnight with vsby 1 to 3 nm. 
.tue...sw winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.wed and wed night...nw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 4 ft. a chance of showers through the night. 
.thu through fri...e winds 10 to 15 kt. waves around 2 ft. 
.fri night...se winds 5 to 10 kt. waves around 2 ft. 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.

$$