fzus51 kbox 212004
cwfbox
expires:202510220900;;525544

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

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


anz235-220900-
rhode island sound-
403 pm edt tue oct 21 2025

...small craft advisory in effect through thursday morning...

.tonight...s winds 15 to 20 kt. seas 3 to 4 ft. wave detail: sw
4 ft at 7 seconds and w 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: sw 4 ft at 7 seconds and sw 2 ft at 4 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 6 seconds and e 1 foot at
11 seconds. 
.thu...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 w 2 ft at 4 seconds. 
.thu night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: sw 5 ft at 6 seconds
and se 1 foot at 10 seconds. 
.fri and fri night...nw winds around 10 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 7 seconds and se 1 foot at 11 seconds. 
.sat through sun night...n winds 5 to 10 kt. seas 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 212004
cwfbox
expires:202510220900;;525547

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

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


anz236-220900-
narragansett bay-
403 pm edt tue oct 21 2025

.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...w winds 10 to 15 kt. gusts up to 25 kt in the
evening. waves 2 to 3 ft. 
.thu...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. 
.thu night and fri...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.fri night...nw winds 5 to 10 kt. waves around 2 ft. 
.sat through sun night...n 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 212004
cwfbox
expires:202510220900;;525545

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

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


anz237-220900-
block island sound-
403 pm edt tue oct 21 2025

...small craft advisory in effect through thursday morning...

.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: s 4 ft at 7 seconds and w 3 ft at 4 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 4 ft. wave detail: s 4 ft at 7 seconds and w 3 ft at
4 seconds. 
.thu...sw 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 night and fri...w winds 15 to 20 kt. seas 2 to 4 ft. wave
detail: s 4 ft at 7 seconds and w 2 ft at 4 seconds. 
.fri night...nw winds around 10 kt. seas around 2 ft. wave
detail: s 2 ft at 7 seconds and w 1 foot at 3 seconds. 
.sat through sun night...n winds 5 to 10 kt. seas 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 212004
cwfbox
expires:202510220900;;525539

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

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


anz255-220900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt tue oct 21 2025

...small craft advisory in effect through thursday morning...

.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. a slight chance of
showers after midnight. 
.wed...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 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 6 ft at 7 seconds and e 2 ft at
10 seconds. 
.thu...sw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 6 ft at 7 seconds and
w 1 foot at 4 seconds. 
.thu night and fri...w winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: sw 5 ft at 7 seconds and e 1 foot at 10 seconds. 
.fri night...nw winds 10 to 15 kt. seas 2 to 4 ft. wave detail:
sw 3 ft at 6 seconds and se 1 foot at 9 seconds. 
.sat through sun...n winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...n 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.

$$