fzus51 kbox 211703
cwfbox
expires:202510220600;;517363

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 21 2025

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


anz235-220600-
rhode island sound-
103 pm edt tue oct 21 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...sw 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 w 2 ft at
4 seconds. 
.tonight...s winds 15 to 20 kt. seas 3 to 4 ft. wave detail: sw
4 ft at 7 seconds and sw 1 foot at 4 seconds. a chance of showers
after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: s 4 ft at 6 seconds and sw 1 foot at
3 seconds. patchy fog in the morning. showers likely in the
morning. 
.wed night...w 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 w 1 foot at
4 seconds. 
.thu...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 e 1 foot at
11 seconds. a chance of showers in the afternoon. 
.thu night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail:
sw 5 ft at 7 seconds and w 2 ft at 4 seconds. a chance of showers
in the evening. 
.fri through sat night...nw winds 5 to 10 kt with gusts up to
20 kt. seas 2 to 3 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 211703
cwfbox
expires:202510220600;;517366

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 21 2025

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


anz236-220600-
narragansett bay-
103 pm edt tue oct 21 2025

...small craft advisory in effect until 2 pm edt this afternoon...

.this afternoon...sw winds around 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of showers after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. patchy fog in the morning. showers likely in the morning. 
.wed night...sw winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.thu and thu night...w winds 10 to 15 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.fri through sat night...nw winds 5 to 10 kt. waves around 2 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 211703
cwfbox
expires:202510220600;;517364

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 21 2025

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


anz237-220600-
block island sound-
103 pm edt tue oct 21 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...sw winds 15 to 20 kt. seas 3 to 4 ft. wave
detail: s 3 ft at 7 seconds and w 2 ft at 4 seconds. 
.tonight...s winds around 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 3 ft at 7 seconds and w 2 ft at 4 seconds. a
chance of showers after midnight. 
.wed...sw winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 5 seconds and e 1 foot at
11 seconds. patchy fog in the morning. showers likely in the
morning with vsby 1 to 3 nm.
.wed night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: s 4 ft at 7 seconds and w 2 ft at
4 seconds. 
.thu and thu night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and w 3 ft at
4 seconds. a chance of showers through the night. 
.fri through sat night...nw winds 5 to 10 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: s 2 ft at 7 seconds and w
1 foot at 3 seconds.  

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 211703
cwfbox
expires:202510220600;;517358

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt tue oct 21 2025

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


anz255-220600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt tue oct 21 2025

...small craft advisory in effect through wednesday evening...

.this afternoon...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. wave detail: sw 5 ft at 7 seconds and e 2 ft at
11 seconds. 
.tonight...s winds 15 to 20 kt. seas 3 to 5 ft. wave detail: sw
5 ft at 7 seconds and e 2 ft at 11 seconds. 
.wed...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 e 2 ft at 10 seconds.
patchy fog in the morning. showers likely in the morning. 
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: sw 5 ft at 7 seconds and e 2 ft at
10 seconds. 
.thu and thu night...w 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 w 1 foot at
4 seconds. a chance of showers through the night. 
.fri through sat night...nw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: sw 4 ft at 6 seconds and e
1 foot at 11 seconds.  

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.

$$