fzus51 kbox 192004
cwfbox
expires:202609200900;;726573

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sat sep 19 2026

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


anz235-200900-
rhode island sound-
404 pm edt sat sep 19 2026

.tonight...e winds around 10 kt. seas around 2 ft. wave detail:
se 2 ft at 3 seconds and nw 1 foot at 5 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 4 seconds and se 2 ft at 8 seconds. patchy fog in the
afternoon. showers likely in the afternoon. 
.sun night...se winds 10 to 15 kt, becoming e with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: se 3 ft at
5 seconds and se 3 ft at 11 seconds. patchy fog. showers. vsby
1 to 3 nm. 
.mon...n winds 20 to 25 kt, becoming ne 15 to 20 kt in the
afternoon. seas 3 to 4 ft. wave detail: ne 3 ft at 4 seconds and
se 2 ft at 10 seconds. patchy fog in the morning. a chance of
showers in the morning. 
.mon night...ne winds 15 to 20 kt. seas 2 to 4 ft. wave detail:
ne 3 ft at 4 seconds and se 2 ft at 8 seconds. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: e 5 ft at 6 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. 
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. 
.thu...ne winds 30 to 35 kt with gusts up to 40 kt. seas 6 to
9 ft. a chance of showers. 
.thu night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
5 to 7 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 192004
cwfbox
expires:202609200900;;726576

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sat sep 19 2026

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


anz236-200900-
narragansett bay-
404 pm edt sat sep 19 2026

.tonight...se winds 5 to 10 kt. waves 1 foot or less. 
.sun...se winds 5 to 10 kt. waves around 2 ft. patchy fog in the
afternoon. showers in the afternoon. 
.sun night...se winds 5 to 10 kt, becoming ne 10 to 15 kt with
gusts up to 20 kt after midnight. waves 2 to 3 ft. patchy fog.
showers. vsby 1 to 3 nm. 
.mon...n winds 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. patchy fog in the
morning. a chance of showers in the morning. 
.mon night through tue night...ne winds 15 to 20 kt with gusts up
to 25 kt. waves 2 to 3 ft. 
.wed and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. 
.thu and thu night...ne winds 20 to 25 kt. gusts up to 40 kt,
decreasing to 30 kt. waves around 3 ft, except 4 to 6 ft at the
bay entrance. 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 192004
cwfbox
expires:202609200900;;726574

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sat sep 19 2026

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


anz237-200900-
block island sound-
404 pm edt sat sep 19 2026

.tonight...e winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 4 seconds and se 2 ft at 8 seconds. patchy fog in the
afternoon. showers likely in the afternoon. 
.sun night...se winds 10 to 15 kt, becoming ne with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: se 2 ft at
5 seconds and se 2 ft at 10 seconds. patchy fog. showers. vsby
1 to 3 nm. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: ne 3 ft at 4 seconds and se 2 ft at
10 seconds. patchy fog in the morning. a chance of showers in the
morning. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 3 to 4 ft. wave detail: ne 3 ft at 5 seconds
and se 2 ft at 8 seconds. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: e 4 ft at 6 seconds and n 1 foot at 5 seconds.
.tue night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 5 to 7 ft. 
.wed...ne winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
9 ft. 
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 ft. 
.thu...ne winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. a chance of showers. 
.thu night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 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 192004
cwfbox
expires:202609200900;;726568

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt sat sep 19 2026

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


anz255-200900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
404 pm edt sat sep 19 2026

.tonight...e winds around 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 7 seconds and nw 1 foot at 5 seconds. 
.sun...se winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e 2 ft
at 4 seconds and se 1 foot at 7 seconds. a chance of showers in
the afternoon. 
.sun night...se winds 10 to 15 kt, becoming e 5 to 10 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 3 ft at 11 seconds. patchy fog. showers.
vsby 1 to 3 nm. 
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: ne 4 ft at 4 seconds and nw 4 ft at 5 seconds.
patchy fog in the morning. a chance of showers in the morning. 
.mon night...ne winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: n 4 ft at 6 seconds and se 2 ft at
8 seconds. 
.tue and tue night...ne winds 25 to 30 kt. seas 5 to 7 ft. wave
detail: e 6 ft at 7 seconds and n 3 ft at 5 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. 
.wed night...ne winds 25 to 35 kt with gusts up to 40 kt. seas
8 to 11 ft. 
.thu...ne winds 30 to 35 kt with gusts up to 40 kt. seas 7 to
10 ft. a chance of showers. 
.thu night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
6 to 9 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.

$$