fzus51 kbox 221404
cwfbox
expires:202609230300;;873409

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz231-230300-
cape cod bay-
1003 am edt tue sep 22 2026

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

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: n 3 ft at 4 seconds and se 1 foot at
15 seconds. 
.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 and se 1 foot at
14 seconds. 
.wed...ne winds around 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: se 5 ft at 11 seconds and ne 4 ft at
4 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 35 kt. seas
3 to 5 ft. wave detail: ne 5 ft at 5 seconds and e 5 ft at
10 seconds. 
.thu...ne winds 20 to 25 kt with gusts up to 35 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 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 ft. wave detail: n 7 ft at 5 seconds and e 7 ft at
11 seconds. a chance of showers after midnight. 
.fri...ne winds 25 to 35 kt with gusts up to 50 kt. seas 6 to
9 ft. showers likely. 
.fri night...ne winds 30 to 35 kt with gusts up to 45 kt. seas
7 to 10 ft. showers likely. 
.sat...n winds 30 to 35 kt with gusts up to 45 kt. seas 7 to
10 ft. showers likely. 
.sat night...n winds 25 to 35 kt with gusts up to 45 kt. seas
6 to 9 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 221404
cwfbox
expires:202609230300;;873413

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz232-230300-
nantucket sound-
1003 am edt tue sep 22 2026

...gale warning in effect from late tonight through thursday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: ne 4 ft at 4 seconds and se 1 foot
at 11 seconds. 
.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 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: ne 6 ft at 5 seconds and se 3 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: e 7 ft at 10 seconds and ne 6 ft at
6 seconds. 
.thu...ne winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. wave detail: ne 6 ft at 5 seconds and e 6 ft at 10 seconds.
.thu night...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. seas 5 to 7 ft, building to 6 to 9 ft after midnight.
wave detail: ne 7 ft at 6 seconds and e 6 ft at 11 seconds,
becoming n 7 ft at 6 seconds and e 6 ft at 12 seconds. a chance
of showers after midnight. 
.fri...ne winds 30 to 35 kt with gusts up to 45 kt. seas 6 to
9 ft. showers likely. 
.fri night and sat...n winds 30 to 40 kt with gusts up to 45 kt.
seas 6 to 9 ft. showers.
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 7 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 221404
cwfbox
expires:202609230300;;873414

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz233-230300-
vineyard sound-
1003 am edt tue sep 22 2026

...gale warning in effect from late tonight through thursday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: n 3 ft at 4 seconds and se 1 foot at
9 seconds. 
.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: ne 3 ft at 4 seconds and se 1 foot at
9 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: ne 4 ft at 5 seconds and e 2 ft at 9 seconds. 
.wed night...ne winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 3 to 5 ft. wave detail: ne 4 ft at 5 seconds
and se 3 ft at 11 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
13 seconds. 
.thu night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: ne 7 ft at 5 seconds and e 2 ft at
12 seconds. a chance of showers after midnight. 
.fri...n winds 30 to 35 kt with gusts up to 45 kt. seas 5 to
7 ft. showers likely. 
.fri night...n winds 30 to 35 kt with gusts up to 40 kt. seas
4 to 6 ft. showers likely. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. showers likely. 
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
3 to 5 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 221404
cwfbox
expires:202609230300;;873415

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz234-230300-
buzzards bay-
1003 am edt tue sep 22 2026

...gale warning in effect from late tonight through thursday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 4 ft. wave detail: n 3 ft at 4 seconds and se 1 foot at
7 seconds. 
.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 and se 1 foot at
7 seconds. 
.wed...ne winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 35 kt. seas 3 to 5 ft. wave detail: n 4 ft
at 5 seconds and se 4 ft at 9 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 5 seconds and se 2 ft at
12 seconds. 
.thu...ne winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: e 5 ft at 14 seconds and ne 4 ft at 4 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 5 seconds
and e 2 ft at 10 seconds. a chance of showers after midnight. 
.fri...n winds 25 to 35 kt with gusts up to 45 kt. seas 4 to
6 ft. a chance of showers. 
.fri night...n winds around 30 kt with gusts up to 40 kt. seas
4 to 6 ft. showers likely. 
.sat and sat night...n winds 25 to 30 kt with gusts up to 40 kt.
seas 3 to 4 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 221404
cwfbox
expires:202609230300;;873416

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz235-230300-
rhode island sound-
1003 am edt tue sep 22 2026

...gale warning in effect from late tonight through thursday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: ne 5 ft at 5 seconds and se 1 foot
at 8 seconds. 
.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: e 5 ft
at 7 seconds and n 2 ft at 4 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 6 seconds and se 5 ft at 9 seconds.
.wed night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. wave detail: ne 7 ft at 6 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 8 ft at 12 seconds and ne 6 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: ne 8 ft at 6 seconds and se 7 ft at
13 seconds. a chance of showers after midnight. 
.fri...n winds 30 to 35 kt with gusts up to 45 kt. seas 7 to
10 ft. a chance of showers. 
.fri night...n winds 30 to 35 kt with gusts up to 40 kt. seas
6 to 9 ft. showers likely. 
.sat...n winds 25 to 35 kt with gusts up to 45 kt. seas 5 to
8 ft. showers likely. 
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
4 to 6 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 221404
cwfbox
expires:202609230300;;873419

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz236-230300-
narragansett bay-
1003 am edt tue sep 22 2026

...small craft advisory in effect from late tonight through
thursday evening...

.this afternoon...ne winds around 15 kt with gusts up to 25 kt.
waves around 3 ft. 
.tonight...ne winds 10 to 15 kt with gusts up to 30 kt. waves
2 to 3 ft. 
.wed...ne winds 15 to 20 kt with gusts up to 35 kt. waves around
3 ft. 
.wed night...ne winds 15 to 20 kt with gusts up to 30 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 around
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. a chance of showers after midnight. 
.fri...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. 
.fri night and sat...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. showers
likely. 
.sat night...n winds 20 to 25 kt with gusts up to 35 kt. waves
around 3 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 221404
cwfbox
expires:202609230300;;873407

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz250-230300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 am edt tue sep 22 2026

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

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 5 ft. wave detail: n 5 ft at 5 seconds and se 1 foot at
15 seconds. 
.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: n 5 ft at 6 seconds and s 1 foot at
14 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 7 ft at 7 seconds and e 7 ft at 10 seconds. 
.wed night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 6 to 8 ft. wave detail: e
8 ft at 9 seconds and n 1 foot at 5 seconds. 
.thu...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. wave detail: e 10 ft at 10 seconds and ne 8 ft at
7 seconds. 
.thu night...ne winds 15 to 20 kt, increasing to 25 to 30 kt
after midnight. seas 9 to 12 ft. wave detail: e 12 ft at
12 seconds and n 9 ft at 6 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 45 kt. seas 11 to
15 ft. a chance of showers. 
.fri night...ne winds 30 to 35 kt with gusts up to 45 kt. seas
13 to 15 ft. showers likely. 
.sat...n winds 25 to 35 kt with gusts up to 45 kt. seas 11 to
15 ft. showers likely. 
.sat night...n winds 25 to 30 kt with gusts up to 45 kt. seas
9 to 12 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 221404
cwfbox
expires:202609230300;;873410

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz254-230300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 am edt tue sep 22 2026

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

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 5 ft. wave detail: e 5 ft at 7 seconds and n 1 foot at
3 seconds. 
.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: e 7 ft
at 7 seconds and n 1 foot at 4 seconds. 
.wed...ne winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: e 9 ft at 9 seconds and n 1 foot at 4 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 11 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 12 ft at 11 seconds and n 6 ft at
5 seconds. 
.thu night...ne winds 25 to 35 kt with gusts up to 40 kt. seas
11 to 15 ft. wave detail: e 14 ft at 11 seconds and ne 10 ft at
7 seconds. a chance of showers after midnight. 
.fri...ne winds 30 to 35 kt with gusts up to 45 kt. seas 12 to
16 ft. showers likely. 
.fri night and sat...ne winds 30 to 35 kt, becoming n 25 to
35 kt. gusts up to 45 kt. seas 12 to 16 ft. showers likely. 
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. seas
9 to 13 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 221404
cwfbox
expires:202609230300;;873411

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt tue sep 22 2026

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


anz255-230300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 am edt tue sep 22 2026

...gale warning in effect from late tonight through thursday
evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: ne 6 ft at 7 seconds and n 1 foot at
4 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 7 seconds and n 2 ft at 4 seconds. 
.wed...ne winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: e 8 ft at 7 seconds and e 7 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 9 seconds and n 1 foot at
5 seconds. 
.thu...ne winds around 30 kt with gusts up to 40 kt. seas 9 to
12 ft. wave detail: e 11 ft at 11 seconds and ne 8 ft at
7 seconds. 
.thu night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
10 to 14 ft. wave detail: e 13 ft at 11 seconds and n 11 ft at
7 seconds. a chance of showers. 
.fri...ne winds 35 to 40 kt with gusts up to 45 kt. seas 10 to
14 ft. showers likely. 
.fri night...n winds 35 to 40 kt with gusts up to 45 kt. seas
10 to 14 ft, except 14 to 16 ft s and e of nantucket. showers
likely. 
.sat...n winds 30 to 40 kt with gusts up to 45 kt. seas 9 to
13 ft. showers likely. 
.sat night...n winds 25 to 30 kt with gusts up to 35 kt. seas
8 to 11 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.

$$