fzus51 kbox 252304
cwfbox
expires:202609261200;;055287

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz231-261200-
cape cod bay-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. gusts up to 50 kt. seas 5 to 7 ft, building to 6 to
9 ft after midnight. wave detail: e 7 ft at 12 seconds and n 5 ft
at 5 seconds, becoming e 8 ft at 12 seconds and n 6 ft at
5 seconds. rain likely. 
.sat...ne winds 25 to 30 kt with gusts up to 50 kt. seas 6 to
9 ft. wave detail: se 9 ft at 12 seconds and n 6 ft at 5 seconds.
rain.
.sat night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
6 to 9 ft. wave detail: n 7 ft at 7 seconds and s 2 ft at
10 seconds. rain.
.sun...ne winds 20 to 25 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: ne 6 ft at 7 seconds and s 4 ft at 10 seconds.
rain.
.sun night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 35 kt. seas 5 to 7 ft. wave detail:
ne 5 ft at 5 seconds and nw 2 ft at 7 seconds. rain.
.mon...e winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: ne 3 ft at 5 seconds and w 2 ft at 6 seconds.
rain.
.mon night...e winds 5 to 10 kt. seas 3 to 5 ft. a chance of rain
in the evening, then a chance of showers after midnight. 
.tue...n winds 5 to 10 kt. seas 2 to 4 ft. a chance of showers. 
.tue night through wed night...sw winds around 5 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 252304
cwfbox
expires:202609261200;;055291

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz232-261200-
nantucket sound-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 25 to 30 kt with gusts up to 55 kt. seas 6 to
9 ft. wave detail: e 7 ft at 12 seconds and ne 6 ft at 6 seconds.
rain.
.sat...ne winds 25 to 30 kt. gusts up to 55 kt, decreasing to
45 kt in the afternoon. seas 6 to 9 ft. wave detail: n 7 ft at
6 seconds and e 7 ft at 11 seconds. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
5 to 8 ft. wave detail: n 7 ft at 7 seconds and se 4 ft at
11 seconds. rain.
.sun...e winds 20 to 25 kt with gusts up to 50 kt, diminishing to
15 to 20 kt with gusts up to 40 kt in the afternoon. seas 5 to
7 ft. wave detail: s 7 ft at 11 seconds and e 6 ft at 7 seconds.
rain.
.sun night...e winds around 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 4 to 6 ft. wave detail: se 5 ft at
11 seconds and e 4 ft at 8 seconds. rain.
.mon...e winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 4 ft. wave detail: e 3 ft at 9 seconds and s 1 foot at
7 seconds. rain likely, mainly in the morning. 
.mon night...se winds 5 to 10 kt, becoming s after midnight. seas
2 to 4 ft. a chance of rain in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 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 252304
cwfbox
expires:202609261200;;055292

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz233-261200-
vineyard sound-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 25 to 30 kt with gusts up to 55 kt. seas 5 to
7 ft. wave detail: ne 5 ft at 6 seconds and se 3 ft at
13 seconds. rain.
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 5 to
7 ft. wave detail: n 5 ft at 6 seconds and s 4 ft at 11 seconds.
rain.
.sat night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
4 to 6 ft. wave detail: n 6 ft at 6 seconds and s 4 ft at
11 seconds. rain.
.sun...ne winds 20 to 25 kt with gusts up to 50 kt, becoming e
15 to 20 kt with gusts up to 40 kt in the afternoon. seas 4 to
6 ft. wave detail: n 6 ft at 9 seconds and se 6 ft at 11 seconds.
rain.
.sun night...ne winds 10 to 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 3 to 5 ft. wave detail: se 5 ft at
10 seconds and s 3 ft at 9 seconds. rain.
.mon...e winds around 10 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 9 seconds and ne 2 ft at 4 seconds. rain likely. 
.mon night...e winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. a chance of rain in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 kt. seas around 2 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 252304
cwfbox
expires:202609261200;;055293

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz234-261200-
buzzards bay-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 25 to 30 kt with gusts up to 50 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 5 seconds and e 2 ft at 13 seconds.
rain likely. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 4 to
6 ft. wave detail: n 5 ft at 5 seconds and se 2 ft at 11 seconds.
rain.
.sat night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. gusts up to 45 kt. seas 4 to 6 ft. wave detail: n
6 ft at 8 seconds and ne 4 ft at 4 seconds. rain.
.sun...ne winds 15 to 20 kt. gusts up to 50 kt, decreasing to
40 kt in the afternoon. seas 4 to 6 ft. wave detail: n 6 ft at
8 seconds and se 6 ft at 11 seconds. rain.
.sun night...ne winds 10 to 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 3 to 5 ft, subsiding to 2 to 3 ft
after midnight. wave detail: se 5 ft at 10 seconds and ne 2 ft at
3 seconds, becoming ne 2 ft at 3 seconds and s 1 foot at
7 seconds. rain.
.mon...e winds around 10 kt. seas around 2 ft. wave detail: s
2 ft at 9 seconds and ne 1 foot at 3 seconds. rain.
.mon night...e winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. a chance of rain in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 kt. seas around 2 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 252304
cwfbox
expires:202609261200;;055294

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz235-261200-
rhode island sound-
703 pm edt fri sep 25 2026

...storm warning in effect through late saturday night...

.tonight...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 55 kt. seas 7 to 10 ft. wave detail: se
8 ft at 12 seconds and n 7 ft at 6 seconds. rain.
.sat...ne winds 30 to 35 kt with gusts up to 55 kt. seas 7 to
10 ft. wave detail: n 8 ft at 7 seconds and se 8 ft at
11 seconds. rain.
.sat night...ne winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. gusts up to 55 kt. seas 6 to 9 ft. wave detail:
ne 8 ft at 6 seconds and s 7 ft at 11 seconds. rain.
.sun...ne winds 20 to 25 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 50 kt. seas 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon. wave detail: s 7 ft at 10 seconds and ne
6 ft at 6 seconds, becoming s 7 ft at 10 seconds and ne 4 ft at
5 seconds. rain.
.sun night...ne winds 15 to 20 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 4 to 6 ft. wave detail: s 6 ft at
8 seconds and se 6 ft at 10 seconds. rain.
.mon...e winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 4 ft. wave detail: s 4 ft at 8 seconds and e 3 ft at
6 seconds. rain.
.mon night...e winds around 10 kt, becoming n after midnight.
seas 2 to 4 ft. a chance of rain in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 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 252304
cwfbox
expires:202609261200;;055297

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz236-261200-
narragansett bay-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. gusts up to 50 kt. waves around 3 ft, except 4 to 6 ft
at the bay entrance. rain likely, mainly this evening. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. rain.
.sat night...ne winds 20 to 25 kt with gusts up to 50 kt. waves
around 3 ft, except 4 to 6 ft at the bay entrance. rain.
.sun...ne winds 15 to 20 kt with gusts up to 45 kt. waves around
3 ft, except 4 to 6 ft at the bay entrance. rain.
.sun night and mon...ne winds 10 to 15 kt with gusts up to 30 kt.
waves 2 to 3 ft. rain.
.mon night...ne winds around 10 kt, becoming n after midnight.
waves around 2 ft. rain likely in the evening, then a chance of
showers after midnight. 
.tue through wed night...sw winds 5 to 10 kt. waves around 2 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 252304
cwfbox
expires:202609261200;;055285

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz250-261200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. gusts up to 45 kt. seas 11 to 15 ft, building to 14 to
19 ft after midnight. wave detail: e 12 ft at 11 seconds and nw
2 ft at 5 seconds, becoming e 15 ft at 12 seconds and nw 2 ft at
5 seconds. a chance of rain. 
.sat...ne winds 25 to 30 kt with gusts up to 50 kt. seas 15 to
20 ft. wave detail: e 13 ft at 11 seconds and nw 2 ft at
5 seconds. rain.
.sat night...ne winds around 30 kt with gusts up to 50 kt. seas
13 to 17 ft. wave detail: e 13 ft at 10 seconds and se 3 ft at
11 seconds. rain.
.sun...ne winds 25 to 30 kt with gusts up to 50 kt. seas 11 to
15 ft. wave detail: e 13 ft at 9 seconds and s 3 ft at 9 seconds.
rain.
.sun night...ne winds 20 to 25 kt. gusts up to 40 kt, decreasing
to 30 kt after midnight. seas 9 to 13 ft, subsiding to 8 to 10 ft
after midnight. wave detail: e 10 ft at 9 seconds and se 2 ft at
9 seconds, becoming e 9 ft at 9 seconds and se 2 ft at 9 seconds.
rain.
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 7 to
9 ft. wave detail: e 8 ft at 9 seconds and se 2 ft at 8 seconds.
rain.
.mon night...e winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 5 to 8 ft. rain
likely in the evening, then a chance of showers after midnight. 
.tue...n winds 5 to 10 kt. seas 4 to 6 ft. a chance of showers. 
.tue night through wed night...sw winds around 5 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 252304
cwfbox
expires:202609261200;;055288

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz254-261200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. gusts up to 50 kt. seas 12 to 17 ft, building to 14 to
19 ft after midnight. s and e of nantucket, seas 16 to 20 ft,
building to 17 to 22 ft after midnight. wave detail: e 14 ft at
11 seconds and n 9 ft at 6 seconds, becoming e 15 ft at
11 seconds and ne 14 ft at 9 seconds. rain.
.sat...ne winds 25 to 30 kt with gusts up to 50 kt. seas 15 to
20 ft, subsiding to 12 to 17 ft in the afternoon. s and e of
nantucket, seas 17 to 22 ft. wave detail: se 14 ft at 11 seconds
and e 14 ft at 11 seconds, becoming e 14 ft at 10 seconds and s
5 ft at 11 seconds. rain.
.sat night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. gusts up to 45 kt. seas 12 to 16 ft. wave detail:
e 13 ft at 10 seconds and s 6 ft at 11 seconds. rain.
.sun...e winds 20 to 25 kt with gusts up to 45 kt. seas 9 to
13 ft. wave detail: ne 11 ft at 10 seconds and s 6 ft at
10 seconds. rain likely. 
.sun night...e winds 15 to 20 kt. gusts up to 35 kt, decreasing
to 25 kt after midnight. seas 8 to 11 ft, subsiding to 6 to 9 ft
after midnight. wave detail: e 8 ft at 9 seconds and s 4 ft at
8 seconds, becoming e 8 ft at 9 seconds and s 3 ft at 8 seconds.
rain likely. 
.mon and mon night...s winds 10 to 15 kt with gusts up to 25 kt.
seas 5 to 8 ft. wave detail: e 7 ft at 9 seconds and s 3 ft at
7 seconds. a chance of rain, then a chance of showers after
midnight. 
.tue...w winds 5 to 10 kt. seas 4 to 6 ft. 
.tue night and wed...nw winds 5 to 10 kt. seas 3 to 5 ft. 
.wed night...sw winds around 5 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 252304
cwfbox
expires:202609261200;;055289

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt fri sep 25 2026

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


anz255-261200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.tonight...ne winds 30 to 35 kt with gusts up to 55 kt. seas
11 to 15 ft, building to 13 to 18 ft after midnight. s and e of
nantucket, seas 16 to 20 ft, building to 17 to 22 ft after
midnight. wave detail: e 13 ft at 11 seconds and ne 11 ft at
7 seconds, becoming ne 13 ft at 11 seconds and e 13 ft at
11 seconds. rain.
.sat...ne winds 30 to 35 kt with gusts up to 55 kt. seas 13 to
18 ft, except 17 to 22 ft s and e of nantucket. wave detail: ne
14 ft at 11 seconds and se 11 ft at 11 seconds. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
11 to 15 ft. wave detail: ne 10 ft at 10 seconds and s 8 ft at
11 seconds. rain.
.sun...e winds 20 to 25 kt with gusts up to 50 kt, diminishing to
15 to 20 kt with gusts up to 40 kt in the afternoon. seas 9 to
12 ft, subsiding to 7 to 10 ft in the afternoon. wave detail: s
8 ft at 10 seconds and e 7 ft at 10 seconds, becoming s 8 ft at
10 seconds and e 5 ft at 10 seconds. rain likely. 
.sun night...e winds 10 to 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 6 to 9 ft, subsiding to 4 to 6 ft
after midnight. wave detail: se 6 ft at 12 seconds and s 5 ft at
8 seconds, becoming e 5 ft at 9 seconds and s 4 ft at 7 seconds.
rain likely. 
.mon and mon night...sw winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: s 4 ft at 8 seconds and e 4 ft at 9 seconds. a chance of
rain, then a chance of showers after midnight. 
.tue...w winds 10 to 15 kt. seas 3 to 5 ft. 
.tue night through wed night...sw winds 5 to 10 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.

$$