fzus51 kbox 241403
cwfbox
expires:202609250300;;980173

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz231-250300-
cape cod bay-
1003 am edt thu sep 24 2026

...gale warning in effect through friday morning...
...storm watch 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. a chance of showers in the morning, then showers
likely in the afternoon. patchy fog in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 60 kt. seas
8 to 11 ft. wave detail: n 10 ft at 7 seconds. showers likely in
the evening, then showers after midnight. patchy fog in the
evening. 
.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. showers.
.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. showers.
.sun...ne winds 15 to 20 kt with gusts up to 35 kt. seas 4 to
6 ft. showers.
.sun night...ne winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. showers.
.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 241403
cwfbox
expires:202609250300;;980177

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz232-250300-
nantucket sound-
1003 am edt thu sep 24 2026

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

.this afternoon...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: e 6 ft at 7 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 showers in the morning, then showers
likely in the afternoon. patchy fog in the afternoon. 
.fri night...ne winds 30 to 35 kt with gusts up to 60 kt. seas
7 to 10 ft. wave detail: n 9 ft at 7 seconds. showers. patchy fog
in the evening. 
.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. showers.
.sat night...ne winds 20 to 25 kt with gusts up to 40 kt. seas
5 to 7 ft. wave detail: n 7 ft at 6 seconds. showers.
.sun...ne winds 15 to 20 kt with gusts up to 40 kt. seas 4 to
6 ft. showers.
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. showers likely. 
.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 241403
cwfbox
expires:202609250300;;980178

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz233-250300-
vineyard sound-
1003 am edt thu sep 24 2026

...gale warning in effect through late tonight...
...storm watch 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 3 to
5 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 4 to 5 ft, building to 5 to 7 ft in
the afternoon. wave detail: n 5 ft at 6 seconds, becoming n 7 ft
at 6 seconds. a chance of showers in the morning, then showers
likely in the afternoon. patchy fog 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. showers. patchy fog
in the evening. 
.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. showers.
.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. showers with a
chance of tstms. 
.sun and sun night...ne winds 20 to 25 kt. gusts up to 40 kt,
decreasing to 30 kt. seas 3 to 5 ft. showers with a chance of
tstms. 
.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.  

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 241403
cwfbox
expires:202609250300;;980179

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz234-250300-
buzzards bay-
1003 am edt thu sep 24 2026

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

.this afternoon...ne winds around 20 kt with gusts up to 30 kt.
seas 2 to 3 ft. wave detail: ne 3 ft at 4 seconds. 
.tonight...ne winds 15 to 20 kt with gusts up to 35 kt. seas 2 to
4 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 3 to 5 ft. wave detail: n 5 ft
at 5 seconds. a chance of showers in the morning, then showers
likely in the afternoon. patchy fog 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. showers. patchy fog
in the evening. 
.sat...n winds 25 to 30 kt with gusts up to 50 kt. seas 3 to
5 ft. wave detail: ne 5 ft at 5 seconds and n 5 ft at 8 seconds.
showers.
.sat night...ne winds 20 to 25 kt with gusts up to 45 kt. seas
3 to 5 ft. wave detail: n 5 ft at 5 seconds. showers with a
chance of tstms. 
.sun and sun night...ne winds 15 to 20 kt with gusts up to 40 kt,
increasing to 20 to 25 kt with gusts up to 30 kt. seas 2 to 4 ft.
showers with a chance of tstms. 
.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.  

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 241403
cwfbox
expires:202609250300;;980180

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz235-250300-
rhode island sound-
1003 am edt thu sep 24 2026

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

.this afternoon...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. 
.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 7 ft, building to 7 to 10 ft in
the afternoon. wave detail: ne 7 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 showers in the morning, then showers
likely in the afternoon. patchy fog 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. showers. patchy fog in the evening. 
.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. showers.
.sat night...n winds 25 to 30 kt, becoming ne 20 to 25 kt after
midnight. gusts up to 50 kt. 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. showers with a chance of tstms. 
.sun...ne winds 20 to 25 kt with gusts up to 40 kt. seas 5 to
7 ft. showers with a chance of tstms. 
.sun night...n winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. showers with a chance of tstms. 
.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.  

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 241403
cwfbox
expires:202609250300;;980183

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz236-250300-
narragansett bay-
1003 am edt thu sep 24 2026

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through saturday
evening...

.this afternoon...ne winds 15 to 20 kt with gusts up to 30 kt.
waves 2 to 4 ft. 
.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 4 ft. 
.fri...ne winds 15 to 20 kt, becoming n 20 to 25 kt in the
afternoon. gusts up to 40 kt. waves 3 to 5 ft. a chance of
showers in the afternoon. 
.fri night...n winds 25 to 30 kt with gusts up to 50 kt. waves
3 to 5 ft. showers. patchy fog in the evening. 
.sat...n winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. gusts up to 50 kt. waves 3 to 5 ft. showers.
.sat night...ne winds 20 to 25 kt with gusts up to 45 kt. waves
3 to 5 ft. showers. a chance of tstms after midnight. 
.sun and sun night...ne winds 15 to 20 kt with gusts up to 35 kt.
waves 2 to 4 ft. showers with a chance of tstms. 
.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.  

winds and waves 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 241403
cwfbox
expires:202609250300;;980171

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz250-250300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 am edt thu sep 24 2026

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...storm watch 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 10 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 showers
in the afternoon. 
.fri night...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 60 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. showers.
.sat...ne winds 30 to 35 kt with gusts up to 60 kt. seas 18 to
23 ft. wave detail: ne 17 ft at 11 seconds and n 8 ft at
7 seconds. showers.
.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. showers.
.sun...ne winds 25 to 30 kt with gusts up to 45 kt. seas 11 to
15 ft. showers.
.sun night...ne winds 20 to 25 kt with gusts up to 40 kt. seas
8 to 11 ft. showers.
.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 241403
cwfbox
expires:202609250300;;980174

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz254-250300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 am edt thu sep 24 2026

...gale warning in effect through friday morning...
...storm watch 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 10 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 showers in the morning, then
showers likely in the afternoon. patchy fog 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. showers. patchy fog in the
evening. 
.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. showers.
.sat night...e winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 40 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. showers.
.sun...e winds 15 to 20 kt with gusts up to 35 kt. seas 8 to
11 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. showers likely. 
.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 241403
cwfbox
expires:202609250300;;980175

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt thu sep 24 2026

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


anz255-250300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 am edt thu sep 24 2026

...gale warning in effect through late tonight...
...storm watch 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: ne 10 ft at 10 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. patchy fog. a chance of showers in the
morning. showers 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. showers.
patchy fog in the evening. 
.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. showers.
.sat night...ne winds 20 to 25 kt, becoming e 15 to 20 kt after
midnight. gusts up to 40 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. showers.
.sun...e winds 15 to 20 kt with gusts up to 40 kt. seas 7 to
10 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. showers 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.

$$