fzus51 kbox 222304
cwfbox
expires:202609231200;;895103

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz231-231200-
cape cod bay-
703 pm edt tue sep 22 2026

...gale warning in effect from wednesday evening through thursday
evening...

.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 3 ft at 4 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 4 seconds and se 2 ft at
11 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: se 5 ft at 9 seconds and ne 4 ft at
4 seconds. 
.thu...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 6 ft at 10 seconds and ne 5 ft at 4 seconds.
.thu night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 5 to 7 ft. wave detail: e 6 ft at 11 seconds
and n 5 ft at 5 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 40 kt, becoming n
30 to 35 kt with gusts up to 50 kt in the afternoon. seas 5 to
7 ft, building to 6 to 9 ft in the afternoon. wave detail: n 6 ft
at 5 seconds and e 6 ft at 12 seconds, becoming n 8 ft at
6 seconds and e 8 ft at 12 seconds. a chance of showers. 
.fri night...n winds around 30 kt with gusts up to 45 kt. seas
7 to 10 ft. a chance of showers. 
.sat...n winds around 30 kt with gusts up to 45 kt. seas 7 to
10 ft. showers likely with a chance of tstms. 
.sat night...n winds 25 to 30 kt with gusts up to 45 kt. seas
6 to 9 ft. showers likely with a chance of tstms. 
.sun and sun night...ne winds 25 to 30 kt, diminishing to 20 to
25 kt. gusts up to 40 kt. seas 5 to 7 ft. showers likely.  

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 222304
cwfbox
expires:202609231200;;895107

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz232-231200-
nantucket sound-
703 pm edt tue sep 22 2026

...gale warning in effect from 5 am edt wednesday through
thursday evening...

.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: ne 5 ft at 5 seconds. 
.wed...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: e 5 ft at 5 seconds and
se 2 ft at 10 seconds. 
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: ne 6 ft at 5 seconds and e 6 ft at
10 seconds. 
.thu...ne winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: ne 6 ft at 6 seconds and e 6 ft at 11 seconds.
.thu night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 8 ft. wave detail: ne 6 ft at 5 seconds and e 6 ft at
11 seconds. 
.fri...ne winds 30 to 35 kt with gusts up to 45 kt. seas 6 to
9 ft. wave detail: n 6 ft at 6 seconds and e 5 ft at 11 seconds.
a chance of showers. 
.fri night...n winds 30 to 35 kt with gusts up to 45 kt. seas
6 to 9 ft. a chance of showers. 
.sat and sat night...n winds 30 to 35 kt with gusts up to 45 kt.
seas 5 to 8 ft. showers likely with a chance of tstms. 
.sun...n winds 25 to 30 kt. seas 4 to 6 ft. showers likely. 
.sun night...ne winds 25 to 30 kt. seas 4 to 6 ft. showers
likely.  

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 222304
cwfbox
expires:202609231200;;895108

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz233-231200-
vineyard sound-
703 pm edt tue sep 22 2026

...gale warning in effect from 5 am edt wednesday through
thursday evening...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 3 to 4 ft. wave detail: ne 3 ft at 4 seconds. 
.wed...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 3 to 5 ft. wave detail: ne 4 ft at 5 seconds and
se 1 foot at 10 seconds.
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: ne 4 ft at 5 seconds and se 3 ft at
10 seconds. 
.thu...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: ne 4 ft at 5 seconds and se 3 ft at
12 seconds. 
.thu night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 4 to 6 ft. wave detail: ne 5 ft at 6 seconds
and se 2 ft at 12 seconds.
.fri and fri night...n winds 25 to 30 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds and se 2 ft at
12 seconds. a chance of showers. 
.sat and sat night...n winds 25 to 30 kt with gusts up to 45 kt.
seas 4 to 6 ft. showers likely with a chance of tstms. 
.sun and sun night...n winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. showers likely.  

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 222304
cwfbox
expires:202609231200;;895109

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz234-231200-
buzzards bay-
703 pm edt tue sep 22 2026

...gale warning in effect from 5 am edt wednesday through
thursday evening...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 4 ft. wave detail: ne 3 ft at 4 seconds. 
.wed...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 3 to 5 ft. wave detail: ne 4 ft at 4 seconds and
se 1 foot at 10 seconds.
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: n 4 ft at 4 seconds and se 2 ft at
11 seconds. 
.thu...ne winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 4 seconds and e 3 ft at 14 seconds.
.thu night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 3 to 5 ft. wave detail: n 5 ft at 7 seconds
and ne 4 ft at 4 seconds. 
.fri and fri night...n winds 25 to 35 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: n 6 ft at 6 seconds and e 2 ft at
11 seconds. a chance of showers. 
.sat...n winds 25 to 30 kt with gusts up to 45 kt. seas 3 to
4 ft. showers likely with a chance of tstms. 
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
4 to 6 ft. showers likely with a chance of tstms. 
.sun and sun night...n winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. showers likely.  

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 222304
cwfbox
expires:202609231200;;895110

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz235-231200-
rhode island sound-
703 pm edt tue sep 22 2026

...gale warning in effect from 5 am edt wednesday through
thursday evening...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: ne 5 ft
at 5 seconds. 
.wed...ne winds 25 to 30 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 7 seconds and se 6 ft at 9 seconds. 
.wed night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 5 to 8 ft. wave detail: ne 7 ft at 5 seconds
and se 7 ft at 10 seconds.
.thu...ne winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: se 7 ft at 12 seconds and ne 5 ft at
5 seconds. 
.thu night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: se 7 ft at 12 seconds and ne 6 ft at
6 seconds. 
.fri and fri night...n winds 25 to 35 kt with gusts up to 45 kt.
seas 6 to 9 ft. wave detail: n 8 ft at 5 seconds and se 6 ft at
12 seconds. a chance of showers. 
.sat...n winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
8 ft. a chance of showers. 
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 ft. showers likely. 
.sun...n winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. showers likely. 
.sun night...n winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 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.

$$

fzus51 kbox 222304
cwfbox
expires:202609231200;;895113

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz236-231200-
narragansett bay-
703 pm edt tue sep 22 2026

...small craft advisory in effect from 5 am edt wednesday through
thursday evening...

.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft.
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. waves 2 to
3 ft. 
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft, except 4 to 6 ft at the bay entrance. 
.thu...ne winds 20 to 25 kt with gusts up to 30 kt. waves 2 to
3 ft, except 4 to 6 ft at the bay entrance. 
.thu night...ne winds 15 to 20 kt, becoming n 20 to 25 kt after
midnight. gusts up to 30 kt. waves 2 to 3 ft, except 4 to 6 ft at
the bay entrance. 
.fri and fri night...n winds 25 to 30 kt with gusts up to 40 kt.
waves around 3 ft, except 4 to 6 ft at the bay entrance. a chance
of showers. 
.sat and sat night...n winds 25 to 30 kt, diminishing to 20 to
25 kt. gusts up to 40 kt. waves around 3 ft, except 4 to 6 ft at
the bay entrance. a chance of showers. 
.sun...n winds 15 to 20 kt with gusts up to 30 kt. waves around
3 ft. showers likely. 
.sun night...n winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 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.

$$

fzus51 kbox 222304
cwfbox
expires:202609231200;;895101

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz250-231200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt tue sep 22 2026

...small craft advisory in effect through thursday evening...

.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: e 5 ft
at 7 seconds and n 1 foot at 4 seconds. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 7 ft at 8 seconds and se 1 foot at
12 seconds. 
.wed night...ne winds 15 to 20 kt with gusts up to 30 kt. seas
6 to 8 ft. wave detail: e 8 ft at 9 seconds and n 1 foot at
4 seconds. 
.thu...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 7 to 10 ft. wave detail: e
9 ft at 10 seconds. 
.thu night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 8 to 11 ft. wave detail:
e 10 ft at 11 seconds and ne 6 ft at 7 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 45 kt. seas 10 to
14 ft. wave detail: e 11 ft at 11 seconds and ne 9 ft at
7 seconds. a chance of showers in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
12 to 15 ft. a chance of showers. 
.sat and sat night...n winds 25 to 30 kt with gusts up to 45 kt.
seas 13 to 16 ft, subsiding to 11 to 15 ft. a chance of showers. 
.sun...ne winds 25 to 30 kt with gusts up to 40 kt. seas 9 to
13 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
7 to 10 ft. showers likely.  

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 222304
cwfbox
expires:202609231200;;895104

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz254-231200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 pm edt tue sep 22 2026

...gale warning in effect from wednesday evening through thursday
evening...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: ne 6 ft
at 7 seconds and n 1 foot at 4 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: e 8 ft at 7 seconds and se 5 ft at 10 seconds.
.wed night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 8 to 11 ft. wave detail: e 10 ft at
10 seconds and n 1 foot at 4 seconds. 
.thu...ne winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 9 to 12 ft. wave detail: e 11 ft at 10 seconds
and ne 6 ft at 5 seconds. 
.thu night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
10 to 14 ft. wave detail: e 12 ft at 11 seconds and n 6 ft at
5 seconds. a chance of showers after midnight. 
.fri...ne winds 25 to 30 kt with gusts up to 40 kt. seas 12 to
16 ft. wave detail: e 13 ft at 11 seconds and ne 9 ft at
8 seconds. a chance of showers. 
.fri night...ne winds 30 to 35 kt with gusts up to 45 kt. seas
12 to 17 ft. a chance of showers. 
.sat...n winds 25 to 35 kt with gusts up to 40 kt. seas 12 to
17 ft. showers likely with a chance of tstms. 
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
11 to 15 ft. showers likely with a chance of tstms. 
.sun...ne winds 20 to 25 kt with gusts up to 35 kt. seas 9 to
13 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
7 to 10 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 222304
cwfbox
expires:202609231200;;895105

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt tue sep 22 2026

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


anz255-231200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 pm edt tue sep 22 2026

...gale warning in effect from 2 am edt wednesday through
thursday evening...

.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 5 to 7 ft. wave detail: ne 7 ft at 7 seconds and n
1 foot at 4 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: ne 9 ft at 8 seconds and se 6 ft at 9 seconds.
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
8 to 11 ft. wave detail: e 10 ft at 10 seconds and n 1 foot at
4 seconds. 
.thu...ne winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
12 ft. wave detail: e 10 ft at 10 seconds and ne 7 ft at
7 seconds. 
.thu night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
9 to 13 ft. wave detail: e 11 ft at 11 seconds and n 8 ft at
6 seconds. a chance of showers after midnight. 
.fri...ne winds 30 to 35 kt with gusts up to 45 kt. seas 10 to
14 ft. wave detail: e 10 ft at 11 seconds and n 9 ft at
7 seconds. a chance of showers. 
.fri night...n winds 30 to 40 kt with gusts up to 45 kt. seas
10 to 14 ft, except 13 to 18 ft s and e of nantucket. a chance of
showers. 
.sat...n winds 30 to 40 kt with gusts up to 45 kt. seas 9 to
13 ft, except 13 to 18 ft s and e of nantucket. showers likely
with a chance of tstms. 
.sat night...n winds 25 to 35 kt with gusts up to 40 kt. seas
8 to 11 ft. showers likely with a chance of tstms. 
.sun...n winds 25 to 30 kt. seas 6 to 9 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. showers likely.  

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.

$$