fzus51 kbox 180804
cwfbox
expires:202610182100;;298091

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun oct 18 2026

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


anz235-182100-
rhode island sound-
403 am edt sun oct 18 2026

...small craft advisory in effect until 8 am edt this morning...

.today...ne winds 15 to 20 kt, diminishing to 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 5 seconds and s
1 foot at 8 seconds. 
.tonight...e winds 10 to 15 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: ne 2 ft at 4 seconds and se 1 foot
at 9 seconds. 
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: se 5 ft at 11 seconds and ne 4 ft at
4 seconds. 
.mon night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. wave detail: se 7 ft at 12 seconds and n 5 ft at
5 seconds. 
.tue and tue night...ne winds 25 to 30 kt with gusts up to 35 kt.
seas 5 to 7 ft. wave detail: se 7 ft at 11 seconds and n 6 ft at
5 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: n 6 ft at 6 seconds and se 5 ft at 9 seconds. 
.wed night and thu...ne winds 25 to 30 kt, becoming n 20 to
25 kt. seas 5 to 7 ft. a chance of showers. 
.thu night...n winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 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 180804
cwfbox
expires:202610182100;;298094

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun oct 18 2026

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


anz236-182100-
narragansett bay-
403 am edt sun oct 18 2026

.today...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt this afternoon. waves around 2 ft this morning, then
1 foot or less. 
.tonight...ne winds 5 to 10 kt. waves 1 foot or less. 
.mon...ne winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 2 to 3 ft. 
.mon night...ne winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
waves 2 to 3 ft. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. waves around
3 ft. 
.wed night and thu...n winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. a chance of showers. 
.thu night...n winds 15 to 20 kt with gusts up to 25 kt. waves
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 180804
cwfbox
expires:202610182100;;298092

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun oct 18 2026

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


anz237-182100-
block island sound-
403 am edt sun oct 18 2026

...small craft advisory in effect until 8 am edt this morning...

.today...ne winds 15 to 20 kt, diminishing to 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and
se 1 foot at 8 seconds. 
.tonight...e winds 5 to 10 kt, becoming ne 10 to 15 kt with gusts
up to 20 kt after midnight. seas around 2 ft. wave detail: ne
2 ft at 4 seconds and se 1 foot at 8 seconds. 
.mon...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and e 4 ft at 6 seconds. 
.mon night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail:
se 8 ft at 12 seconds and n 4 ft at 5 seconds. 
.tue and tue night...ne winds 25 to 30 kt with gusts up to 35 kt.
seas 5 to 8 ft. wave detail: e 8 ft at 12 seconds and n 5 ft at
6 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: e 8 ft at 9 seconds and n 5 ft at 6 seconds. 
.wed night and thu...n winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 8 ft. a chance of showers. 
.thu night...n winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 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 180804
cwfbox
expires:202610182100;;298086

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun oct 18 2026

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


anz255-182100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt sun oct 18 2026

...small craft advisory in effect until 11 am edt this morning...
...gale watch in effect from monday evening through wednesday
morning...

.today...ne winds 20 to 25 kt, diminishing to 10 to 15 kt this
afternoon. seas 3 to 5 ft. wave detail: n 5 ft at 5 seconds and
se 1 foot at 8 seconds. 
.tonight...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: e 4 ft at 6 seconds and e 3 ft at 9 seconds. 
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. wave detail: e 6 ft
at 8 seconds and n 1 foot at 6 seconds, becoming e 8 ft at
9 seconds and ne 3 ft at 4 seconds. a chance of showers in the
afternoon. 
.mon night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft, building to 8 to 11 ft after midnight. wave detail: e
9 ft at 11 seconds and ne 5 ft at 5 seconds, becoming e 9 ft at
11 seconds and n 7 ft at 5 seconds. a chance of showers. 
.tue...ne winds around 30 kt with gusts up to 35 kt. seas 8 to
11 ft. wave detail: e 9 ft at 10 seconds and n 7 ft at 6 seconds.
a chance of showers in the morning. 
.tue night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
8 to 11 ft. wave detail: e 11 ft at 9 seconds and n 8 ft at
6 seconds. 
.wed and wed night...ne winds 30 to 35 kt, becoming 25 to 35 kt.
seas 9 to 13 ft. a chance of showers. 
.thu...n winds 25 to 30 kt with gusts up to 35 kt. seas 8 to
11 ft. a chance of showers. 
.thu night...n winds 25 to 35 kt. seas 7 to 10 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.

$$