fzus51 kbox 120504
cwfbox
expires:202605121800;;416627

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

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


anz231-121800-
cape cod bay-
103 am edt tue may 12 2026

.rest of tonight...nw winds 5 to 10 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: nw 1 foot at 3 seconds and e 1 foot
at 9 seconds. 
.tue...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: ne 2 ft at 9 seconds and
nw 1 foot at 3 seconds. 
.tue night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: ne 2 ft at 6 seconds
and nw 1 foot at 3 seconds, becoming w 1 foot at 3 seconds and ne
1 foot at 5 seconds. 
.wed...sw winds 5 to 10 kt, becoming s 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 2 ft
at 3 seconds and ne 1 foot at 4 seconds. 
.wed night...s winds around 15 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 2 ft at 3 seconds and e 1 foot at
7 seconds. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 4 seconds and e 1 foot 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 ne after midnight.
seas around 2 ft. patchy fog. showers.
.fri...n winds 5 to 10 kt. seas around 2 ft. showers likely. 
.fri night...nw winds 5 to 10 kt. seas 2 to 3 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 120504
cwfbox
expires:202605121800;;416631

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

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


anz232-121800-
nantucket sound-
103 am edt tue may 12 2026

.rest of tonight...nw winds around 10 kt. seas 2 to 3 ft. wave
detail: e 2 ft at 7 seconds and w 1 foot at 4 seconds. 
.tue...n winds 10 to 15 kt, becoming ne 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: e 2 ft at 7 seconds and
nw 1 foot at 3 seconds. 
.tue night...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 1 foot at 5 seconds and e 1 foot at 7 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 3 ft. wave detail: sw
2 ft at 3 seconds and e 1 foot at 7 seconds. 
.wed night...s winds 15 to 20 kt. seas around 3 ft. wave detail:
se 3 ft at 5 seconds and se 1 foot at 12 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 5 seconds and se 1 foot 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 n after midnight. seas
2 to 3 ft. patchy fog. showers.
.fri and fri night...nw winds 5 to 10 kt. seas 2 to 3 ft. a
chance of showers. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 10 to
15 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 120504
cwfbox
expires:202605121800;;416632

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

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


anz233-121800-
vineyard sound-
103 am edt tue may 12 2026

.rest of tonight...nw winds 10 to 15 kt. seas around 2 ft. wave
detail: nw 1 foot at 4 seconds and se 1 foot at 6 seconds. 
.tue...n winds 10 to 15 kt, becoming sw 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: e 2 ft at 6 seconds and
nw 1 foot at 4 seconds. 
.tue night...sw winds 10 to 15 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and se 1 foot at 7 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 3 ft
at 6 seconds and s 1 foot at 11 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 3 ft at 6 seconds and se 1 foot at
12 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and
se 1 foot at 11 seconds. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. patchy fog. showers.
.fri and fri night...nw winds 5 to 10 kt. seas 2 to 3 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 120504
cwfbox
expires:202605121800;;416633

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

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


anz234-121800-
buzzards bay-
103 am edt tue may 12 2026

.rest of tonight...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 6 seconds and nw 1 foot at 3 seconds. 
.tue...n winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 5 seconds and s 1 foot at
11 seconds. 
.tue night...sw winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. seas around 2 ft in the evening, then 1 foot or
less. wave detail: sw 1 foot at 3 seconds and se 1 foot at
7 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: sw
3 ft at 4 seconds and se 1 foot at 7 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 3 ft at 6 seconds and se 1 foot at
13 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: s 3 ft
at 5 seconds and se 1 foot at 11 seconds. patchy fog. showers.
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. patchy fog. showers.
.fri and fri night...nw winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 10 to
15 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 120504
cwfbox
expires:202605121800;;416634

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

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


anz235-121800-
rhode island sound-
103 am edt tue may 12 2026

.rest of tonight...nw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and nw 1 foot at 5 seconds. 
.tue...n winds 10 to 15 kt, becoming sw 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and
nw 2 ft at 4 seconds. 
.tue night...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...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 6 seconds and se 1 foot at 11 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
11 seconds. 
.thu and thu night...n winds 15 to 20 kt. seas around 3 ft. wave
detail: s 3 ft at 7 seconds and se 1 foot at 11 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 120504
cwfbox
expires:202605121800;;416637

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

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


anz236-121800-
narragansett bay-
103 am edt tue may 12 2026

.rest of tonight...nw winds 5 to 10 kt. waves around 2 ft. 
.tue...n winds around 10 kt, becoming w in the afternoon. waves
around 2 ft. 
.tue night...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 and thu night...n winds 10 to 15 kt with gusts up to 20 kt.
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 120504
cwfbox
expires:202605121800;;416625

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

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


anz250-121800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt tue may 12 2026

.rest of tonight...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: e 4 ft at 9 seconds and nw 1 foot at
3 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 3 to 4 ft. wave detail: e 4 ft
at 8 seconds and nw 2 ft at 3 seconds. 
.tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 7 seconds and w 1 foot at 3 seconds. 
.wed...s winds 5 to 10 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: s 3 ft
at 4 seconds and e 2 ft at 7 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 5 seconds and e 1 foot at
11 seconds. 
.thu...se winds 15 to 20 kt with gusts up to 25 kt. seas around
3 ft. wave detail: s 3 ft at 5 seconds and e 1 foot at
11 seconds. patchy fog. a chance of showers in the morning.
showers in the afternoon. 
.thu night...e winds 10 to 15 kt with gusts up to 20 kt, becoming
ne 5 to 10 kt after midnight. seas 3 to 4 ft. patchy fog.
showers.
.fri...n winds 5 to 10 kt. seas 3 to 4 ft. patchy fog. showers
likely. 
.fri night...nw winds 5 to 10 kt. seas 3 to 4 ft. a chance of
showers. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 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 120504
cwfbox
expires:202605121800;;416628

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

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


anz254-121800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt tue may 12 2026

.rest of tonight...nw winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: se 4 ft at 8 seconds and w 1 foot at 5 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 3 to 4 ft. wave detail: se 4 ft
at 8 seconds and w 1 foot at 4 seconds. 
.tue night...sw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 3 to 4 ft. wave detail: e 3 ft at 7 seconds and nw
1 foot at 3 seconds. 
.wed...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
seas 2 to 4 ft. wave detail: s 3 ft at 4 seconds and e 2 ft at
7 seconds. 
.wed night...s winds around 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: se 4 ft at 6 seconds and e 1 foot at
11 seconds. 
.thu...se 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 e 1 foot at
11 seconds. patchy fog. a chance of showers in the morning.
showers in the afternoon. 
.thu night...se winds 10 to 15 kt with gusts up to 20 kt,
becoming ne 5 to 10 kt after midnight. seas 3 to 4 ft. patchy
fog. showers.
.fri...nw winds 5 to 10 kt. seas 3 to 5 ft. a chance of showers. 
.fri night through sat night...sw winds 10 to 15 kt with gusts up
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.

$$

fzus51 kbox 120504
cwfbox
expires:202605121800;;416629

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

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


anz255-121800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt tue may 12 2026

.rest of tonight...w winds 5 to 10 kt. seas 3 to 4 ft. wave
detail: s 3 ft at 7 seconds and s 1 foot at 12 seconds. 
.tue...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 3 to 4 ft. wave detail: se 3 ft at 8 seconds and
nw 2 ft at 6 seconds. 
.tue night...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail:
sw 2 ft at 3 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: sw
3 ft at 4 seconds and e 2 ft at 7 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 6 seconds and se 1 foot at
12 seconds. 
.thu and thu night...w winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: s 5 ft at 6 seconds and se 1 foot at 11 seconds. patchy
fog. a chance of showers in the morning. 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.

$$