fzus51 kbox 100503
cwfbox
expires:202510101800;;413554

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz231-101800-
cape cod bay-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds and se 1 foot at 9 seconds. 
.fri...ne winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: n 2 ft at 5 seconds and se 1 foot at
9 seconds. 
.fri 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 5 seconds
and w 1 foot at 3 seconds, becoming sw 1 foot at 3 seconds and ne
1 foot at 5 seconds. 
.sat...s winds around 5 kt, becoming se in the afternoon. seas
1 foot or less. wave detail: sw 1 foot at 3 seconds and ne 1 foot
at 5 seconds. 
.sat night...se winds 5 to 10 kt, becoming e 10 to 15 kt with
gusts up to 20 kt after midnight. seas 1 foot or less, then 2 to
3 ft after midnight. wave detail: s 1 foot at 2 seconds and se
1 foot at 10 seconds, becoming s 1 foot at 2 seconds and e 1 foot
at 2 seconds. a chance of rain after midnight. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt, increasing to
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft. wave detail: e 4 ft at 4 seconds and se 2 ft at 11 seconds.
a chance of rain in the morning, then rain likely in the
afternoon with vsby 1 to 3 nm. 
.sun night...ne winds 25 to 30 kt, becoming e 30 to 35 kt after
midnight. seas 5 to 7 ft. rain. vsby 1 to 3 nm. 
.mon...e winds 25 to 30 kt with gusts up to 45 kt. seas 6 to
9 ft. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
5 to 8 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. rain likely. vsby 1 to 3 nm. 
.tue night...n winds 15 to 20 kt with gusts up to 30 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 100503
cwfbox
expires:202510101800;;413558

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz232-101800-
nantucket sound-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds around 10 kt. seas around 2 ft. wave
detail: n 2 ft at 4 seconds and se 1 foot at 8 seconds. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and se 1 foot at
9 seconds. 
.fri night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: s 1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.sat...s winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: s 1 foot at 3 seconds and e 1 foot at
5 seconds, becoming se 1 foot at 4 seconds and se 1 foot at
10 seconds. 
.sat night...e winds 10 to 15 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and
se 1 foot at 10 seconds. a chance of rain after midnight. 
.sun...e winds 25 to 35 kt. seas 4 to 6 ft. wave detail: e 6 ft
at 5 seconds and se 2 ft at 12 seconds. rain likely. vsby 1 to
3 nm. 
.sun night...ne winds 30 to 40 kt with gusts up to 45 kt. seas
7 to 10 ft. rain. vsby 1 to 3 nm. 
.mon...e winds 30 to 40 kt with gusts up to 45 kt. seas 7 to
10 ft. rain. vsby 1 to 3 nm. 
.mon night...e winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt. seas 4 to 6 ft. rain likely. vsby
1 to 3 nm. 
.tue night...n winds 20 to 25 kt with gusts up to 30 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 100503
cwfbox
expires:202510101800;;413559

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz233-101800-
vineyard sound-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 4 seconds and se 1 foot at 8 seconds. 
.fri...ne winds 5 to 10 kt, becoming s in the afternoon. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and nw 1 foot
at 4 seconds. 
.fri night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and e 1 foot at 4 seconds. 
.sat...se winds 5 to 10 kt, becoming e in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
sw 1 foot at 3 seconds and e 1 foot at 5 seconds, becoming s
1 foot at 3 seconds and se 1 foot at 9 seconds. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: e
2 ft at 3 seconds and se 2 ft at 10 seconds. a chance of rain
after midnight. 
.sun...e winds 20 to 25 kt, becoming ne 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 4 to 6 ft. wave detail: ne
4 ft at 5 seconds and se 4 ft at 12 seconds. rain likely. vsby
1 to 3 nm. 
.sun night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
6 to 9 ft. rain. vsby 1 to 3 nm. 
.mon...e winds 30 to 35 kt with gusts up to 40 kt. seas 6 to
9 ft. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
6 to 9 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. rain likely. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 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 100503
cwfbox
expires:202510101800;;413560

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz234-101800-
buzzards bay-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds 5 to 10 kt. seas 1 foot or less. wave
detail: n 1 foot at 4 seconds and se 1 foot at 8 seconds. 
.fri...ne winds 5 to 10 kt, becoming s in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 3 seconds and se 1 foot
at 8 seconds. 
.fri night...s winds 5 to 10 kt. seas 1 foot or less. wave
detail: sw 1 foot at 2 seconds and e 1 foot at 4 seconds. 
.sat...se winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 3 seconds and e
1 foot at 4 seconds, becoming s 1 foot at 3 seconds and se 1 foot
at 9 seconds. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: e
2 ft at 3 seconds and s 1 foot at 3 seconds. a chance of rain
after midnight. 
.sun...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 4 to 6 ft. wave detail: ne
4 ft at 4 seconds and se 3 ft at 12 seconds. rain likely. vsby
1 to 3 nm. 
.sun night...ne winds 30 to 35 kt with gusts up to 40 kt. seas
5 to 7 ft. rain. vsby 1 to 3 nm. 
.mon...e winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
7 ft. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt with gusts up to 40 kt. seas
4 to 6 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. rain likely. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 kt with gusts up to 30 kt. seas
2 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 100503
cwfbox
expires:202510101800;;413561

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-101800-
rhode island sound-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds around 10 kt. seas around 2 ft. wave
detail: ne 2 ft at 3 seconds and se 2 ft at 8 seconds. 
.fri...ne winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and se 1 foot at
8 seconds. 
.fri night...s winds 5 to 10 kt. seas 1 foot or less, then around
2 ft after midnight. wave detail: se 1 foot at 3 seconds and se
1 foot at 9 seconds, becoming s 1 foot at 3 seconds and e 1 foot
at 4 seconds. 
.sat...se winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
se 1 foot at 9 seconds. 
.sat night...e winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. seas 2 to 3 ft, building to 3 to 5 ft after midnight.
wave detail: se 3 ft at 4 seconds and se 2 ft at 9 seconds,
becoming e 5 ft at 5 seconds and se 3 ft at 11 seconds. a chance
of rain. 
.sun...ne winds 25 to 35 kt. gusts up to 45 kt in the afternoon.
seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. wave
detail: e 6 ft at 6 seconds and se 5 ft at 13 seconds, becoming
se 9 ft at 9 seconds and e 5 ft at 5 seconds. rain likely. vsby
1 to 3 nm. 
.sun night...ne winds 30 to 35 kt with gusts up to 45 kt. seas
9 to 13 ft. rain. vsby 1 to 3 nm. 
.mon...e winds 25 to 35 kt with gusts up to 45 kt. seas 10 to
14 ft. rain. vsby 1 to 3 nm. 
.mon night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
9 to 12 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. rain likely. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 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 100503
cwfbox
expires:202510101800;;413564

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-101800-
narragansett bay-
103 am edt fri oct 10 2025

...gale watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds 5 to 10 kt. waves around 2 ft. 
.fri...ne winds around 5 kt, becoming s in the afternoon. waves
1 foot or less. 
.fri night...s winds 5 to 10 kt. waves 1 foot or less. 
.sat...se winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. 
.sat night...e winds 5 to 10 kt, becoming ne 15 to 20 kt after
midnight. waves 2 to 3 ft. a chance of rain after midnight. 
.sun...ne winds 20 to 25 kt. gusts up to 30 kt, increasing to
40 kt in the afternoon. waves 2 to 3 ft, except 4 to 6 ft at the
bay entrance. rain likely. vsby 1 to 3 nm. 
.sun night...ne winds 25 to 30 kt with gusts up to 40 kt. waves
around 3 ft, except 5 to 8 ft at the bay entrance. rain. vsby
1 to 3 nm. 
.mon through tue...n winds 25 to 30 kt with gusts up to 35 kt.
waves 2 to 3 ft, except 5 to 7 ft at the bay entrance. rain. vsby
1 to 3 nm. 
.tue 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 100503
cwfbox
expires:202510101800;;413552

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-101800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds around 10 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds and se 2 ft at 8 seconds. 
.fri...n winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: ne 2 ft at 5 seconds and se 1 foot at
9 seconds. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 3 seconds and ne 2 ft at
5 seconds. 
.sat...sw winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot at
4 seconds. 
.sat night...se winds 5 to 10 kt, becoming e 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. wave detail: se
2 ft at 3 seconds and sw 1 foot at 3 seconds. 
.sun...e winds 15 to 20 kt with gusts up to 30 kt, increasing to
20 to 25 kt with gusts up to 40 kt in the afternoon. seas 2 to
4 ft, building to 5 to 7 ft in the afternoon. wave detail: e 4 ft
at 5 seconds and se 1 foot at 12 seconds, becoming e 6 ft at
6 seconds and se 1 foot at 13 seconds. a chance of rain in the
morning, then rain likely in the afternoon with vsby 1 to 3 nm. 
.sun night...e winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. gusts up to 45 kt. seas 7 to 10 ft, building to 10 to
14 ft after midnight. rain likely. vsby 1 to 3 nm. 
.mon and mon night...ne winds 25 to 35 kt with gusts up to 45 kt.
seas 12 to 17 ft. rain likely. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 9 to
12 ft. rain likely. vsby 1 to 3 nm. 
.tue night...n winds 15 to 20 kt with gusts up to 30 kt. seas
7 to 9 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 100503
cwfbox
expires:202510101800;;413555

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz254-101800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...n winds around 10 kt. seas 3 to 4 ft. wave
detail: n 4 ft at 7 seconds and se 2 ft at 8 seconds. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: n 3 ft at 5 seconds and se 1 foot at
8 seconds. 
.fri night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 6 seconds and se 1 foot at 10 seconds. 
.sat...s winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 3 seconds and ne 1 foot at
5 seconds. 
.sat night...e winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. seas 2 to 4 ft. wave detail: e
3 ft at 4 seconds and se 2 ft at 11 seconds. a chance of rain
after midnight. 
.sun...e winds 20 to 25 kt with gusts up to 30 kt, increasing to
25 to 30 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft, building to 5 to 8 ft in the afternoon. wave detail: e 5 ft
at 5 seconds and se 2 ft at 12 seconds, becoming e 7 ft at
6 seconds and se 7 ft at 12 seconds. a chance of rain in the
morning, then rain likely in the afternoon. vsby 1 to 3 nm. 
.sun night...e winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. seas 9 to 13 ft, building to 12 to 16 ft after
midnight. rain. vsby 1 to 3 nm. 
.mon...e winds 25 to 35 kt with gusts up to 40 kt. seas 12 to
17 ft. rain. vsby 1 to 3 nm. 
.mon night...e winds 25 to 30 kt with gusts up to 35 kt. seas
11 to 15 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 8 to
11 ft. rain likely. vsby 1 to 3 nm. 
.tue night...n winds 15 to 20 kt with gusts up to 25 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 100503
cwfbox
expires:202510101800;;413556

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 10 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-101800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt fri oct 10 2025

...storm watch in effect from sunday afternoon through monday
evening...

.rest of tonight...ne winds around 10 kt. seas 2 to 4 ft. wave
detail: n 3 ft at 5 seconds and se 1 foot at 8 seconds. 
.fri...ne winds 5 to 10 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: n 2 ft at 4 seconds and se 1 foot at
8 seconds. 
.fri night...s winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 5 seconds and sw 1 foot at 2 seconds. 
.sat...se winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: e 2 ft at 5 seconds and
sw 1 foot at 3 seconds. 
.sat night...e winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: e 3 ft at 4 seconds and se
2 ft at 10 seconds, becoming e 5 ft at 5 seconds and se 2 ft at
10 seconds. a chance of rain after midnight. 
.sun...e winds 25 to 30 kt with gusts up to 35 kt, becoming ne
30 to 35 kt with gusts up to 45 kt in the afternoon. seas 5 to
7 ft, building to 7 to 10 ft in the afternoon. wave detail: e
7 ft at 6 seconds and se 4 ft at 10 seconds, becoming e 8 ft at
6 seconds and se 8 ft at 12 seconds. rain likely. vsby 1 to 3 nm.
.sun night...e winds 35 to 40 kt with gusts up to 45 kt. seas
10 to 14 ft, building to 12 to 16 ft after midnight. rain. vsby
1 to 3 nm. 
.mon...e winds 30 to 40 kt with gusts up to 45 kt. seas 12 to
16 ft. rain. vsby 1 to 3 nm. 
.mon night...e winds 25 to 30 kt with gusts up to 35 kt. seas
10 to 14 ft. rain. vsby 1 to 3 nm. 
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. rain. vsby 1 to 3 nm. 
.tue night...n winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 8 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.

$$