fzus51 kbox 172004
cwfbox
expires:202605180900;;727633

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


anz235-180900-
rhode island sound-
404 pm edt sun may 17 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 3 to 4 ft. wave detail: sw 4 ft
at 7 seconds and s 4 ft at 8 seconds. 
.mon...e winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds. 
.mon night...s winds 5 to 10 kt, becoming sw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds. patchy fog. vsby 1 to 3 nm, decreasing to 1 nm
or less after midnight. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and se 2 ft at 9 seconds.
patchy fog in the morning with vsby 1 to 3 nm. 
.tue night...sw winds around 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 5 ft at 7 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and se 5 ft at 9 seconds.
a chance of showers in the afternoon. 
.wed night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 3 to 5 ft. a chance of
showers. 
.thu and thu night...ne winds 10 to 15 kt, becoming se 5 to
10 kt. seas 2 to 4 ft. 
.fri...e winds around 10 kt. seas around 2 ft. 
.fri night...se winds 5 to 10 kt. seas 2 to 3 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.

$$

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.

$$

fzus51 kbox 172004
cwfbox
expires:202605180900;;727634

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


anz237-180900-
block island sound-
404 pm edt sun may 17 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: sw 3 ft
at 6 seconds and se 3 ft at 8 seconds. 
.mon...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 7 seconds and se 3 ft at 8 seconds. 
.mon night...s winds 5 to 10 kt, becoming sw 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: s 2 ft at 7 seconds.
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. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and se 2 ft at 9 seconds. 
.tue night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 6 seconds and se 3 ft at
9 seconds. 
.wed and wed night...nw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 7 seconds and se 3 ft at
8 seconds. a chance of showers. 
.thu through fri...e winds 5 to 10 kt. seas 2 to 3 ft. 
.fri night...se winds 5 to 10 kt. seas 2 to 3 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.

$$

fzus51 kbox 172004
cwfbox
expires:202605180900;;727628

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


anz255-180900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 pm edt sun may 17 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt, becoming
n 5 to 10 kt after midnight. seas 3 to 5 ft. wave detail: sw 4 ft
at 7 seconds and se 3 ft at 8 seconds. patchy fog after midnight
with vsby 1 to 3 nm. 
.mon...e winds around 10 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 7 seconds and se 3 ft at 8 seconds. 
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds.
patchy fog. vsby 1 nm or less. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: sw 5 ft at 6 seconds and se 2 ft at 9 seconds.
patchy fog in the morning with vsby 1 nm or less. 
.tue night and wed...sw winds 20 to 25 kt. seas 4 to 6 ft. wave
detail: sw 6 ft at 7 seconds and e 2 ft at 9 seconds. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming nw 10 to 15 kt after midnight. seas 5 to 7 ft, subsiding
to 3 to 5 ft after midnight. wave detail: sw 7 ft at 7 seconds
and e 2 ft at 10 seconds, becoming sw 5 ft at 7 seconds and se
2 ft at 9 seconds. a chance of showers. 
.thu and thu night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming e 5 to 10 kt. seas 2 to 4 ft. 
.fri...e winds 5 to 10 kt. seas around 2 ft. 
.fri night...se winds 5 to 10 kt. seas 2 to 3 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.

$$