fzus51 kbox 202304
cwfbox
expires:202605211200;;369982

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed may 20 2026

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


anz235-211200-
rhode island sound-
703 pm edt wed may 20 2026

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

.tonight...w winds 10 to 15 kt with gusts up to 25 kt, becoming
nw after midnight. seas 2 to 4 ft. wave detail: sw 4 ft at
7 seconds. showers likely with a slight chance of tstms this
evening, then a chance of showers after midnight. 
.thu...ne winds 10 to 15 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: ne 3 ft at 7 seconds. a chance of showers
in the morning. 
.thu night...s winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds. 
.fri...ne winds 10 to 15 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 7 seconds and se 1 foot at
14 seconds. 
.fri night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 5 seconds. 
.sat...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds. a
chance of showers in the afternoon. 
.sat night...e winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 5 ft. showers likely. 
.sun...e winds 20 to 25 kt. seas 4 to 6 ft. showers likely. 
.sun night...e winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft. showers likely. 
.mon and mon night...s winds 5 to 10 kt, becoming w. seas 2 to
4 ft. a chance of showers.  

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 202304
cwfbox
expires:202605211200;;369985

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed may 20 2026

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


anz236-211200-
narragansett bay-
703 pm edt wed may 20 2026

.tonight...w winds 5 to 10 kt with gusts up to 20 kt, becoming n
after midnight. waves 2 to 3 ft. a chance of showers. a chance of
tstms this evening. 
.thu...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft. a chance of showers in the morning. 
.thu night...s winds around 5 kt, becoming nw after midnight.
waves around 2 ft. 
.fri...ne winds around 10 kt, becoming se in the afternoon. waves
around 2 ft. 
.fri night...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less. 
.sat...e winds 5 to 10 kt, becoming se in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. a chance of
showers in the afternoon. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. waves 2 to 3 ft. showers
likely. 
.sun...e winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
4 ft. showers likely. 
.sun night through mon night...w winds 5 to 10 kt. waves 2 to
3 ft. a chance of showers.  

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 202304
cwfbox
expires:202605211200;;369983

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed may 20 2026

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


anz237-211200-
block island sound-
703 pm edt wed may 20 2026

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

.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: sw
4 ft at 7 seconds. showers likely with a slight chance of tstms
this evening, then a chance of showers after midnight. 
.thu...ne winds around 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: e 3 ft at 7 seconds. a chance of showers.
.thu night...s winds around 5 kt, becoming n after midnight. seas
around 2 ft. wave detail: s 2 ft at 6 seconds. 
.fri...ne winds 10 to 15 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 6 seconds. 
.fri night...se winds 5 to 10 kt, becoming e after midnight. seas
around 2 ft. wave detail: se 2 ft at 6 seconds. 
.sat...e winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: e 3 ft
at 5 seconds. a chance of showers. 
.sat night...e winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. showers.
.sun...e winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. showers.
.sun night...e winds 10 to 15 kt. seas 4 to 6 ft. a chance of
showers. 
.mon...s winds 5 to 10 kt. seas 3 to 5 ft. a chance of showers. 
.mon night...w winds 5 to 10 kt. seas 2 to 4 ft. a chance of
showers.  

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 202304
cwfbox
expires:202605211200;;369977

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed may 20 2026

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


anz255-211200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 pm edt wed may 20 2026

...small craft advisory in effect until 2 am edt thursday...

.tonight...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. seas 3 to 5 ft. wave detail: sw
5 ft at 7 seconds. a chance of showers with a slight chance of
tstms. 
.thu...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: ne 4 ft at 7 seconds. a chance of showers. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 6 seconds and se 1 foot at
14 seconds. 
.fri...ne winds 10 to 15 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 7 seconds and se 1 foot at 14 seconds. 
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 6 seconds and se 1 foot at 14 seconds. 
.sat...e winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 2 ft at 7 seconds and
se 1 foot at 14 seconds. a chance of showers in the afternoon. 
.sat night...e winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 5 ft. showers likely. 
.sun through mon...s winds 20 to 25 kt. seas 4 to 6 ft. showers
likely. 
.mon night...w winds 5 to 10 kt. seas 3 to 5 ft. a chance of
showers.  

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.

$$