fzus51 kbox 112304
cwfbox
expires:202605121200;;405583

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz231-121200-
cape cod bay-
703 pm edt mon may 11 2026

.tonight...s winds around 5 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: se 2 ft at 11 seconds and w 1 foot at
3 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 with gusts up
to 25 kt in the afternoon. 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. a chance of showers after midnight. 
.thu...se winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: se 2 ft at 4 seconds and e 1 foot at
11 seconds. showers.
.thu night...se winds 5 to 10 kt, becoming ne after midnight.
seas around 2 ft. patchy fog. showers likely in the evening. a
chance of showers after midnight. 
.fri...nw winds around 5 kt. seas around 2 ft. patchy fog. a
chance of showers. 
.fri night...w winds 5 to 10 kt. seas 2 to 3 ft. a chance of
showers. 
.sat and sat night...w 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 112304
cwfbox
expires:202605121200;;405587

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz232-121200-
nantucket sound-
703 pm edt mon may 11 2026

.tonight...s winds 5 to 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: e 2 ft at 7 seconds and sw 1 foot at
5 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 5 to 10 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 with gusts up to 25 kt. seas
around 3 ft. wave detail: se 3 ft at 5 seconds and se 1 foot at
12 seconds. a chance of showers after midnight. 
.thu...se winds 15 to 20 kt with 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. showers.
.thu night...se winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. patchy fog. showers in the evening. a
chance of showers after midnight. 
.fri...w winds 5 to 10 kt. seas 2 to 3 ft. patchy fog. a chance
of showers. 
.fri night...w winds around 10 kt. seas 2 to 3 ft. a chance of
showers. 
.sat and sat night...w 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 112304
cwfbox
expires:202605121200;;405588

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz233-121200-
vineyard sound-
703 pm edt mon may 11 2026

.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and se 1 foot at
11 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 around 10 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 around 2 ft, building to 3 to
4 ft in the afternoon. wave detail: sw 2 ft at 4 seconds and se
1 foot at 7 seconds, becoming 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. a chance of showers after midnight. 
.thu...se winds 15 to 20 kt with 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. showers.
.thu night...se winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. patchy fog. showers likely in the evening. a chance
of showers after midnight. 
.fri...w winds 5 to 10 kt. seas 2 to 3 ft. patchy fog. a chance
of showers. 
.fri night...w winds around 10 kt. seas 2 to 3 ft. a chance of
showers. 
.sat and sat night...w 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 112304
cwfbox
expires:202605121200;;405589

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz234-121200-
buzzards bay-
703 pm edt mon may 11 2026

.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and se 1 foot at
11 seconds. 
.tue...n winds around 10 kt, becoming e 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 5 to 10 kt. 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 around 2 ft, building to 3 to
4 ft in the afternoon. wave detail: sw 2 ft at 3 seconds and se
1 foot at 7 seconds, becoming s 3 ft at 5 seconds and se 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
13 seconds. a chance of showers after midnight. 
.thu...se winds 15 to 20 kt with 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. showers. patchy fog in the morning. 
.thu night...se winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. patchy fog. showers likely in the evening. a
chance of showers after midnight. 
.fri...w winds 5 to 10 kt. seas around 2 ft. patchy fog. a chance
of showers. 
.fri night...w winds 5 to 10 kt. seas around 2 ft. a chance of
showers. 
.sat and sat night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 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 112304
cwfbox
expires:202605121200;;405590

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz235-121200-
rhode island sound-
703 pm edt mon may 11 2026

.tonight...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and
sw 1 foot at 7 seconds. 
.tue...n winds 10 to 15 kt, becoming sw 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 3 ft. wave detail: s 3 ft
at 6 seconds and se 1 foot at 11 seconds. 
.wed night...s winds around 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
11 seconds. a chance of showers after midnight. 
.thu and thu night...w winds 15 to 20 kt with gusts up to 25 kt.
seas around 3 ft. wave detail: s 3 ft at 7 seconds and se 1 foot
at 11 seconds. patchy fog in the morning. patchy fog through the
night. showers. a chance of showers after midnight. 
.fri and fri night...w winds 10 to 15 kt. seas 2 to 4 ft. a
chance of showers. 
.sat and sat night...sw winds 15 to 20 kt with gusts up to 25 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 112304
cwfbox
expires:202605121200;;405593

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz236-121200-
narragansett bay-
703 pm edt mon may 11 2026

.tonight...sw winds 5 to 10 kt, becoming nw after midnight. 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 with gusts up to 25 kt. waves
2 to 3 ft. a chance of showers in the evening, then showers
likely after midnight. patchy fog after midnight. 
.thu and thu night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. patchy fog in the morning. patchy fog through
the night. showers. a chance of showers after midnight. 
.fri...nw winds 5 to 10 kt. waves 2 to 3 ft. patchy fog. a chance
of showers. 
.fri night...w winds 5 to 10 kt. waves 2 to 3 ft. a chance of
showers. 
.sat and sat night...w 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 112304
cwfbox
expires:202605121200;;405581

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz250-121200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt mon may 11 2026

.tonight...sw winds 5 to 10 kt, becoming n after midnight. seas
2 to 4 ft. wave detail: e 4 ft at 10 seconds and w 1 foot at
3 seconds. 
.tue...n winds 5 to 10 kt, becoming e 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...s winds 5 to 10 kt, becoming sw after midnight. 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. a chance of showers. patchy fog after midnight. 
.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. showers.
.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...n winds 5 to 10 kt. seas 3 to 4 ft. patchy fog. a chance
of showers. 
.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. 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 112304
cwfbox
expires:202605121200;;405584

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz254-121200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 pm edt mon may 11 2026

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

$$

fzus51 kbox 112304
cwfbox
expires:202605121200;;405585

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt mon may 11 2026

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


anz255-121200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 pm edt mon may 11 2026

.tonight...s winds around 5 kt, becoming w after midnight. seas
3 to 4 ft. wave detail: se 4 ft at 8 seconds and sw 1 foot at
7 seconds. a slight chance of showers this evening. 
.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 5 to 10 kt, increasing to 10 to 15 kt after
midnight. 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...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 se 1 foot at
11 seconds. showers.
.thu night...se winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 3 to 5 ft. patchy fog. showers likely in the
evening. a chance of showers after midnight. 
.fri...w winds 10 to 15 kt. seas 3 to 5 ft. patchy fog. a chance
of showers. 
.fri night through sat night...sw winds 15 to 20 kt with gusts up
to 25 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.

$$