fzus51 kbox 120803
cwfbox
expires:202605122100;;425410

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue may 12 2026

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


anz235-122100-
rhode island sound-
403 am edt tue may 12 2026

.today...n winds 10 to 15 kt, becoming sw 5 to 10 kt this
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and
nw 2 ft at 3 seconds. 
.tonight...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and se 2 ft at 8 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 2 ft at 8 seconds. 
.wed night...s 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 se 1 foot at
9 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas around 3 ft. wave detail: se 3 ft at 6 seconds
and se 3 ft at 10 seconds. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming n after midnight. seas
around 3 ft. wave detail: s 3 ft at 7 seconds. patchy fog.
showers.
.fri and fri night...nw winds 10 to 15 kt. seas 2 to 4 ft. a
chance of showers. 
.sat and sat night...sw winds 15 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 120803
cwfbox
expires:202605122100;;425413

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue may 12 2026

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


anz236-122100-
narragansett bay-
403 am edt tue may 12 2026

.today...n winds around 10 kt, becoming w this afternoon. waves
around 2 ft. 
.tonight...sw winds 5 to 10 kt. waves around 2 ft. 
.wed...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. 
.wed night...s winds 15 to 20 kt. waves 2 to 4 ft.
.thu...se winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming n after midnight.
waves 2 to 3 ft. patchy fog. showers.
.fri...nw winds 5 to 10 kt. waves 2 to 3 ft. patchy fog. showers
likely. 
.fri night...nw winds 5 to 10 kt. waves 2 to 3 ft. a chance of
showers. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 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 120803
cwfbox
expires:202605122100;;425411

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue may 12 2026

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


anz237-122100-
block island sound-
403 am edt tue may 12 2026

.today...n winds 5 to 10 kt, becoming sw 10 to 15 kt this
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and
nw 2 ft at 3 seconds. 
.tonight...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 3 seconds and se 2 ft at 8 seconds. 
.wed...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 2 ft at 8 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: se 4 ft at 7 seconds. a chance of showers
after midnight. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 6 seconds and se 3 ft at 9 seconds.
patchy fog. showers.
.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. showers, mainly in
the evening. patchy fog in the evening. 
.fri and fri night...nw winds 5 to 10 kt. seas 2 to 4 ft. a
chance of showers. 
.sat and sat night...sw winds 10 to 15 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 120803
cwfbox
expires:202605122100;;425405

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt tue may 12 2026

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


anz255-122100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 am edt tue may 12 2026

.today...n winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. seas 3 to 4 ft. wave detail: se 3 ft at 8 seconds and
nw 2 ft at 4 seconds. 
.tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail: se
3 ft at 8 seconds and w 2 ft at 4 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and se 2 ft at 8 seconds. 
.wed night...s 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 se 2 ft at
9 seconds. 
.thu...se winds 15 to 20 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 5 seconds and se 3 ft at 11 seconds. patchy fog. a chance of
showers in the morning. showers in the afternoon. 
.thu night...se winds 5 to 10 kt, becoming w after midnight. seas
3 to 5 ft. wave detail: se 5 ft at 9 seconds and s 4 ft at
8 seconds. patchy fog. showers.
.fri...w winds 10 to 15 kt. seas 3 to 5 ft. a chance of showers. 
.fri night through sat night...sw winds 15 to 20 kt. seas 3 to
5 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.

$$