fzus51 kbox 241703
cwfbox
expires:202609250600;;985482

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz231-250600-
cape cod bay-
103 pm edt thu sep 24 2026

...storm warning in effect from friday morning through saturday
evening...

.this afternoon...ne winds around 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: ne 4 ft at 4 seconds. 
.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 5 seconds. 
.fri...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 45 kt. seas 5 to 7 ft. wave detail: n 7 ft
at 6 seconds. rain likely in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 55 kt. seas
8 to 11 ft. wave detail: n 10 ft at 7 seconds. rain likely. 
.sat...ne winds 25 to 30 kt with gusts up to 55 kt. seas 8 to
11 ft. wave detail: n 10 ft at 7 seconds. rain.
.sat night...ne winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 45 kt. seas 8 to 11 ft, subsiding to
6 to 9 ft after midnight. wave detail: n 11 ft at 8 seconds and n
9 ft at 7 seconds, becoming n 9 ft at 7 seconds and n 9 ft at
8 seconds. rain.
.sun...ne winds 15 to 20 kt with gusts up to 40 kt. seas 4 to
6 ft. rain.
.sun night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. rain.
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. showers likely. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 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 241703
cwfbox
expires:202609250600;;985486

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz232-250600-
nantucket sound-
103 pm edt thu sep 24 2026

...storm warning in effect from late tonight through saturday
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 8 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 7 seconds. 
.fri...ne winds 25 to 30 kt. gusts up to 40 kt, increasing to
50 kt in the afternoon. seas 5 to 8 ft. wave detail: n 8 ft at
6 seconds. a chance of rain in the morning, then rain likely in
the afternoon. 
.fri night...ne winds 30 to 35 kt with gusts up to 55 kt. seas
7 to 10 ft. wave detail: n 9 ft at 7 seconds. rain likely. 
.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 8 ft at
7 seconds. rain.
.sat night...ne winds 20 to 25 kt with gusts up to 45 kt. seas
5 to 7 ft. wave detail: n 7 ft at 6 seconds. rain.
.sun...ne winds 15 to 20 kt with gusts up to 40 kt. seas 4 to
6 ft. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. rain.
.mon...n winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. showers likely. 
.mon night...nw winds 15 to 20 kt. seas 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 241703
cwfbox
expires:202609250600;;985487

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz233-250600-
vineyard sound-
103 pm edt thu sep 24 2026

...storm warning in effect from late tonight through saturday
evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: e 5 ft at 6 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: ne 5 ft at 6 seconds. 
.fri...ne winds 25 to 30 kt. gusts up to 40 kt, increasing to
50 kt in the afternoon. seas 5 to 7 ft. wave detail: n 7 ft at
6 seconds. a chance of rain in the morning, then rain likely in
the afternoon. 
.fri night...ne winds 30 to 35 kt with gusts up to 55 kt. seas
5 to 8 ft. wave detail: n 8 ft at 5 seconds. rain likely. 
.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. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 50 kt,
diminishing to 20 to 25 kt with gusts up to 40 kt after midnight.
seas 4 to 6 ft. wave detail: n 5 ft at 5 seconds. rain.
.sun...ne winds 20 to 25 kt with gusts up to 40 kt. seas 4 to
6 ft. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. rain.
.mon...n winds 15 to 20 kt with gusts up to 25 kt. seas around
3 ft. showers likely. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
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 241703
cwfbox
expires:202609250600;;985488

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz234-250600-
buzzards bay-
103 pm edt thu sep 24 2026

...storm warning in effect from late tonight through saturday
evening...

.this afternoon...ne winds around 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: ne 4 ft at 4 seconds. 
.tonight...ne winds 15 to 20 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 4 seconds. 
.fri...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 45 kt. seas 4 to 6 ft. wave detail: n 5 ft
at 5 seconds. a chance of rain in the morning, then rain likely
in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 55 kt. seas
4 to 6 ft. wave detail: n 6 ft at 5 seconds. rain likely. 
.sat and sat night...ne winds 25 to 30 kt with gusts up to 55 kt.
seas 4 to 6 ft. wave detail: ne 6 ft at 5 seconds and n 6 ft at
8 seconds. rain.
.sun...ne winds 15 to 20 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: n 5 ft at 6 seconds. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. rain.
.mon...n winds 15 to 20 kt with gusts up to 30 kt. seas around
3 ft. showers likely. 
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
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 241703
cwfbox
expires:202609250600;;985489

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz235-250600-
rhode island sound-
103 pm edt thu sep 24 2026

...storm warning in effect from late tonight through saturday
evening...

.this afternoon...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. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 9 seconds. 
.fri...ne winds 25 to 35 kt. gusts up to 40 kt, increasing to
50 kt in the afternoon. seas 5 to 8 ft, building to 7 to 10 ft in
the afternoon. wave detail: ne 8 ft at 9 seconds and n 5 ft at
5 seconds, becoming ne 10 ft at 9 seconds and n 5 ft at
5 seconds. a chance of rain in the morning, then rain likely in
the afternoon.
.fri night...ne winds 30 to 40 kt with gusts up to 55 kt. seas
8 to 11 ft. wave detail: ne 9 ft at 9 seconds and n 8 ft at
7 seconds. rain likely. 
.sat...n winds 25 to 35 kt with gusts up to 55 kt. seas 8 to
11 ft. wave detail: n 9 ft at 7 seconds. rain.
.sat night...n winds 25 to 30 kt with gusts up to 55 kt, becoming
ne 20 to 25 kt with gusts up to 45 kt after midnight. seas 6 to
9 ft, subsiding to 5 to 7 ft after midnight. wave detail: n 7 ft
at 6 seconds, becoming n 6 ft at 6 seconds. rain.
.sun...ne winds 20 to 25 kt with gusts up to 45 kt. seas 5 to
7 ft. rain.
.sun night...n winds 20 to 25 kt with gusts up to 35 kt. seas
4 to 6 ft. rain.
.mon and mon night...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 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 241703
cwfbox
expires:202609250600;;985492

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz236-250600-
narragansett bay-
103 pm edt thu sep 24 2026

...storm warning in effect from friday afternoon through saturday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
waves around 3 ft. 
.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. waves
around 3 ft. 
.fri...ne winds 15 to 20 kt, becoming n 20 to 25 kt in the
afternoon. gusts up to 40 kt. waves around 3 ft, except 4 to 6 ft
at the bay entrance. a chance of rain in the afternoon. 
.fri night...n winds 25 to 30 kt with gusts up to 50 kt. waves
around 3 ft, except 4 to 6 ft at the bay entrance. rain likely. 
.sat and 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 40 kt. waves around
3 ft. rain.
.sun night...n winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft. rain.
.mon and mon night...n winds 15 to 20 kt, diminishing to 10 to
15 kt. 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 241703
cwfbox
expires:202609250600;;985480

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz250-250600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt thu sep 24 2026

...storm warning in effect from friday morning through saturday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 6 to 8 ft. wave detail: e 8 ft at 11 seconds. 
.tonight...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. 
.fri...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 10 to 14 ft. wave detail: e
13 ft at 12 seconds and nw 3 ft at 5 seconds. a chance of rain in
the afternoon. 
.fri night...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 55 kt. seas 13 to 18 ft, building to 16 to
21 ft after midnight. wave detail: e 13 ft at 12 seconds and nw
3 ft at 6 seconds, becoming e 15 ft at 11 seconds and nw 4 ft at
6 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...ne winds 30 to 35 kt with gusts up to 55 kt. seas 18 to
23 ft. wave detail: ne 17 ft at 11 seconds and n 8 ft at
7 seconds. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 50 kt. seas
17 to 22 ft, subsiding to 14 to 19 ft after midnight. wave
detail: ne 16 ft at 10 seconds and n 8 ft at 8 seconds, becoming
ne 14 ft at 10 seconds and nw 6 ft at 8 seconds. rain.
.sun...ne winds 25 to 30 kt with gusts up to 45 kt. seas 11 to
15 ft. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 40 kt. seas
8 to 11 ft. rain.
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. showers likely. 
.mon night...n winds 15 to 20 kt with gusts up to 25 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 241703
cwfbox
expires:202609250600;;985483

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz254-250600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 pm edt thu sep 24 2026

...storm warning in effect from friday morning through saturday
evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 7 to 10 ft. wave detail: e 10 ft at 11 seconds. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 9 to
13 ft. wave detail: e 12 ft at 11 seconds. 
.fri...ne winds 25 to 35 kt with gusts up to 50 kt. seas 12 to
16 ft. s and e of nantucket, seas 13 to 18 ft, building to 15 to
20 ft in the afternoon. wave detail: e 15 ft at 12 seconds and n
4 ft at 4 seconds. a chance of rain in the morning, then rain
likely in the afternoon. 
.fri night...ne winds 30 to 35 kt with gusts up to 60 kt. seas
15 to 20 ft, building to 17 to 22 ft after midnight. wave detail:
ne 16 ft at 12 seconds and n 3 ft at 5 seconds, becoming ne 16 ft
at 11 seconds and n 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 16 to 21 ft. wave detail: ne 17 ft
at 11 seconds and n 8 ft at 7 seconds. rain.
.sat night...e winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 45 kt. seas 12 to 17 ft, subsiding to
11 to 15 ft after midnight. wave detail: ne 15 ft at 10 seconds
and nw 8 ft at 7 seconds, becoming ne 15 ft at 10 seconds and nw
5 ft at 6 seconds. rain.
.sun...e winds 15 to 20 kt with gusts up to 40 kt. seas 8 to
11 ft. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 35 kt. seas
6 to 9 ft. rain.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. showers likely. 
.mon night...n winds 10 to 15 kt with gusts up to 20 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 241703
cwfbox
expires:202609250600;;985484

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu sep 24 2026

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


anz255-250600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 pm edt thu sep 24 2026

...storm warning in effect from late tonight through saturday
evening...

.this afternoon...ne winds around 25 kt with gusts up to 35 kt.
seas 7 to 10 ft. wave detail: e 10 ft at 11 seconds. 
.tonight...ne winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
13 ft. wave detail: ne 12 ft at 11 seconds. 
.fri...ne winds 25 to 35 kt with gusts up to 45 kt, increasing to
30 to 40 kt with gusts up to 55 kt in the afternoon. seas 11 to
15 ft. s and e of nantucket, seas 13 to 18 ft, building to 15 to
20 ft in the afternoon. wave detail: ne 13 ft at 11 seconds and n
6 ft at 6 seconds. a chance of rain in the morning, then rain in
the afternoon. 
.fri night...ne winds 30 to 40 kt with gusts up to 60 kt. seas
13 to 18 ft, except 19 to 24 ft s and e of nantucket. wave
detail: ne 13 ft at 11 seconds and n 7 ft at 6 seconds. rain
likely. 
.sat...ne winds 25 to 35 kt. gusts up to 55 kt, decreasing to
45 kt in the afternoon. seas 13 to 18 ft, subsiding to 11 to
15 ft in the afternoon. s and e of nantucket, seas 18 to 23 ft,
subsiding to 14 to 19 ft in the afternoon. wave detail: ne 13 ft
at 10 seconds and n 8 ft at 6 seconds, becoming ne 13 ft at
11 seconds and nw 7 ft at 6 seconds. rain.
.sat night...ne winds 20 to 25 kt, becoming e 15 to 20 kt after
midnight. gusts up to 45 kt. seas 9 to 12 ft, except 12 to 16 ft
s and e of nantucket. wave detail: ne 11 ft at 10 seconds and nw
8 ft at 6 seconds. rain.
.sun...e winds 15 to 20 kt with gusts up to 40 kt. seas 7 to
10 ft. rain.
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. rain likely. 
.mon...n winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. a chance of showers. 
.mon night...nw winds 10 to 15 kt with gusts up to 20 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.

$$