fzus51 kbox 191705
cwfbox
expires:202604200600;;644069

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun apr 19 2026

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


anz235-200600-
rhode island sound-
104 pm edt sun apr 19 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...nw winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: se 3 ft at 6 seconds and w 1 foot at
3 seconds. patchy fog. rain with isolated tstms. vsby 1 nm or
less. 
.tonight...nw winds 15 to 20 kt with gusts up to 30 kt, becoming
w 10 to 15 kt with gusts up to 20 kt after midnight. seas 2 to
4 ft. wave detail: nw 3 ft at 4 seconds and se 3 ft at 7 seconds.
a chance of rain in the evening. 
.mon...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w 2 ft at
4 seconds and s 2 ft at 7 seconds. a chance of rain in the
afternoon. 
.mon night...nw winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and se
2 ft at 7 seconds. a chance of showers in the evening. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and n 2 ft at
4 seconds. 
.wed through thu night...nw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: s 3 ft at 5 seconds.  

winds and seas higher in and near tstms.

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 191705
cwfbox
expires:202604200600;;644072

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun apr 19 2026

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


anz236-200600-
narragansett bay-
104 pm edt sun apr 19 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...nw winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 3 ft. patchy fog. rain with isolated tstms. vsby 1 to
3 nm. 
.tonight...nw winds 10 to 15 kt with gusts up to 25 kt, becoming
w 5 to 10 kt after midnight. waves around 2 ft. a chance of rain
in the evening. 
.mon...w winds 5 to 10 kt. waves around 2 ft. a chance of rain in
the afternoon. 
.mon night...nw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. waves around 2 ft. a chance of showers in the evening. 
.tue and tue night...s winds 5 to 10 kt. waves around 2 ft. 
.wed through thu night...nw winds 10 to 15 kt with gusts up to
20 kt. waves around 2 ft.  

winds and waves higher in and near tstms.

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 191705
cwfbox
expires:202604200600;;644070

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun apr 19 2026

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


anz237-200600-
block island sound-
104 pm edt sun apr 19 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...nw winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 4 ft. wave detail: w 2 ft at 3 seconds and se 2 ft at
7 seconds. patchy fog. rain likely with a slight chance of tstms.
vsby 1 nm or less. 
.tonight...nw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: nw 2 ft
at 4 seconds and se 2 ft at 7 seconds. a chance of rain in the
evening. 
.mon...w winds 5 to 10 kt. seas around 2 ft. wave detail: se 2 ft
at 7 seconds and w 1 foot at 3 seconds. a chance of rain in the
afternoon. 
.mon night...nw winds 10 to 15 kt, becoming n with gusts up to
20 kt after midnight. seas around 2 ft. wave detail: nw 2 ft at
3 seconds and se 2 ft at 7 seconds. a chance of showers in the
evening. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 2 ft at 4 seconds and s 2 ft at
4 seconds. 
.wed through thu night...nw winds 10 to 15 kt. seas 2 to 3 ft.
wave detail: s 3 ft at 7 seconds and nw 2 ft at 2 seconds.  

winds and seas higher in and near tstms.

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 191705
cwfbox
expires:202604200600;;644064

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sun apr 19 2026

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


anz255-200600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt sun apr 19 2026

...small craft advisory in effect until 11 pm edt this evening...

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 5 ft. wave detail: sw 4 ft at 6 seconds and e 3 ft at
7 seconds. patchy fog. rain likely with isolated tstms. vsby 1 nm
or less. 
.tonight...nw winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: nw 4 ft
at 5 seconds and s 3 ft at 6 seconds. patchy fog in the evening.
a chance of rain in the evening with vsby 1 to 3 nm. 
.mon...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: w 3 ft at 6 seconds and se 2 ft at
7 seconds. 
.mon night...w winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: ne 3 ft at 8 seconds and
sw 2 ft at 6 seconds. 
.tue...n winds 15 to 20 kt, becoming ne 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and s
1 foot at 7 seconds. 
.tue night...se winds 5 to 10 kt, becoming sw 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e
2 ft at 6 seconds. 
.wed through thu night...nw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft.  

winds and seas higher in and near tstms.

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.

$$