fzus51 kbox 162304
cwfbox
expires:202604171200;;489980

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt thu apr 16 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-171200-
rhode island sound-
704 pm edt thu apr 16 2026

.tonight...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 4 ft at 5 seconds and se 2 ft at 12 seconds.
patchy fog. vsby 1 nm or less. 
.fri...w winds 5 to 10 kt, becoming n 10 to 15 kt in the
afternoon. seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and
se 2 ft at 11 seconds. a chance of showers. patchy fog in the
morning with vsby 1 nm or less. 
.fri night...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and e 1 foot at 5 seconds. a chance of showers
in the evening. 
.sat...ne winds around 10 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 7 seconds and n 1 foot at 4 seconds. patchy fog in the
morning. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and ne 1 foot at
3 seconds. 
.sun and sun night...nw winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: w 3 ft at 4 seconds and se 3 ft at 6 seconds. a chance of
showers in the morning, then showers likely through the night. a
chance of showers after midnight. 
.mon through tue...w winds 15 to 20 kt. seas 2 to 4 ft. 
.tue night...sw winds 20 to 25 kt. seas 3 to 5 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.

$$

fzus51 kbox 162304
cwfbox
expires:202604171200;;489983

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt thu apr 16 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-171200-
narragansett bay-
704 pm edt thu apr 16 2026

.tonight...s winds 10 to 15 kt, becoming sw 5 to 10 kt after
midnight. waves around 2 ft. patchy fog. vsby 1 nm or less. 
.fri...w winds around 5 kt, becoming n in the afternoon. waves
around 2 ft. a chance of showers. patchy fog in the morning with
vsby 1 nm or less. 
.fri night...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers in the evening. 
.sat...ne winds 5 to 10 kt. waves around 2 ft. 
.sat night...e winds 5 to 10 kt, becoming s after midnight. waves
around 2 ft. 
.sun and sun night...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. a chance of showers in the morning, then
showers likely through the night. a chance of showers after
midnight. 
.mon through tue...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.tue night...sw winds 15 to 20 kt. waves 2 to 4 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.

$$

fzus51 kbox 162304
cwfbox
expires:202604171200;;489981

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt thu apr 16 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz237-171200-
block island sound-
704 pm edt thu apr 16 2026

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

$$

fzus51 kbox 162304
cwfbox
expires:202604171200;;489975

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
704 pm edt thu apr 16 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-171200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
704 pm edt thu apr 16 2026

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

$$