fzus51 kbox 261403
cwfbox
expires:202609270300;;087620

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz231-270300-
cape cod bay-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 25 to 30 kt with gusts up to 50 kt.
seas 5 to 7 ft. wave detail: ne 7 ft at 6 seconds and se 2 ft at
5 seconds. patchy fog. showers. a slight chance of tstms, then a
chance of tstms. some tstms may produce heavy rainfall. vsby 1 nm
or less. 
.tonight...ne winds 25 to 30 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 6 seconds and sw 4 ft at 6 seconds.
patchy fog. showers. vsby 1 nm or less. 
.sun...ne winds 20 to 25 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: e 6 ft at 6 seconds. patchy fog. showers
likely. vsby 1 to 3 nm. 
.sun night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 35 kt. seas 4 to 6 ft. wave detail:
ne 5 ft at 6 seconds. patchy fog. showers likely. vsby 1 to 3 nm
in the evening. 
.mon...e winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 7 seconds and e 2 ft at 4 seconds.
showers likely, mainly in the morning. patchy fog in the morning.
.mon night...e winds 5 to 10 kt, becoming se after midnight. seas
2 to 4 ft. wave detail: ne 3 ft at 7 seconds. a chance of showers
in the evening. 
.tue through wed night...sw winds 5 to 10 kt. seas 2 to 3 ft.  

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 261403
cwfbox
expires:202609270300;;087624

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz232-270300-
nantucket sound-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 25 to 30 kt with gusts up to 50 kt.
seas 6 to 9 ft. wave detail: e 8 ft at 7 seconds and s 2 ft at
10 seconds. patchy fog. showers. isolated tstms, then a chance of
tstms. some tstms may produce heavy rainfall. vsby 1 to 3 nm,
decreasing to 1 nm or less. 
.tonight...ne winds 25 to 30 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: e 7 ft at 7 seconds and s 4 ft at 10 seconds.
patchy fog. showers. vsby 1 nm or less. 
.sun...e winds 20 to 25 kt with gusts up to 45 kt, diminishing to
15 to 20 kt with gusts up to 35 kt in the afternoon. seas 5 to
7 ft. wave detail: e 6 ft at 9 seconds and s 3 ft at 10 seconds.
patchy fog. showers likely in the morning. a chance of showers in
the afternoon. vsby 1 to 3 nm. 
.sun night...e winds around 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 3 to 5 ft. wave detail: e 4 ft at
9 seconds and se 3 ft at 8 seconds. patchy fog. showers. vsby
1 to 3 nm in the evening. 
.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 se 2 ft at
7 seconds. a chance of showers. patchy fog in the morning. 
.mon night...se winds 5 to 10 kt, becoming s after midnight. seas
2 to 4 ft. wave detail: s 2 ft at 8 seconds and e 2 ft at
9 seconds. a chance of showers in the evening. 
.tue through wed...w winds 5 to 10 kt. seas 2 to 4 ft. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft.  

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 261403
cwfbox
expires:202609270300;;087625

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz233-270300-
vineyard sound-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 25 to 30 kt with gusts up to 50 kt.
seas 5 to 7 ft. wave detail: e 6 ft at 6 seconds and s 5 ft at
6 seconds. patchy fog. showers. a slight chance of tstms, then a
chance of tstms. some tstms may produce heavy rainfall. vsby 1 to
3 nm, decreasing to 1 nm or less. 
.tonight...ne winds 25 to 30 kt with gusts up to 45 kt. seas 5 to
7 ft. wave detail: ne 7 ft at 6 seconds and se 2 ft at
10 seconds. patchy fog. showers. vsby 1 nm or less. 
.sun...ne winds 20 to 25 kt, becoming e 15 to 20 kt in the
afternoon. gusts up to 45 kt. seas 4 to 6 ft. wave detail: ne
6 ft at 7 seconds and s 4 ft at 10 seconds. patchy fog. showers
likely in the morning. a chance of showers in the afternoon. vsby
1 to 3 nm. 
.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: s 4 ft at 9 seconds and ne 2 ft at
4 seconds, becoming s 3 ft at 7 seconds and ne 2 ft at 6 seconds.
patchy fog. showers. vsby 1 to 3 nm in the evening. 
.mon...e winds around 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 7 seconds. showers likely, mainly in the morning. patchy fog
in the morning. 
.mon night...se winds 5 to 10 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: s 3 ft at 8 seconds and e 1 foot at
12 seconds. a chance of showers in the evening. 
.tue through wed night...sw winds 5 to 10 kt. seas 2 to 3 ft.  

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 261403
cwfbox
expires:202609270300;;087626

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz234-270300-
buzzards bay-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...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 s 4 ft at
6 seconds. patchy fog. showers. isolated tstms, then a chance of
tstms. some tstms may produce heavy rainfall. vsby 1 to 3 nm,
decreasing to 1 nm or less. 
.tonight...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: ne 4 ft
at 4 seconds and sw 4 ft at 5 seconds. patchy fog. showers. vsby
1 nm or less. 
.sun...ne winds 15 to 20 kt with gusts up to 45 kt. seas 4 to
6 ft. wave detail: ne 4 ft at 4 seconds and se 3 ft at 9 seconds.
patchy fog. showers likely in the morning. a chance of showers in
the afternoon. vsby 1 to 3 nm. 
.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 3 ft at 7 seconds and ne 2 ft at
4 seconds, becoming e 3 ft at 6 seconds. patchy fog. showers.
vsby 1 to 3 nm in the evening. 
.mon...e winds around 10 kt. seas around 2 ft. wave detail: ne
2 ft at 6 seconds. showers likely, mainly in the morning. patchy
fog in the morning. 
.mon night...se winds 5 to 10 kt, becoming sw after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and e 1 foot at
17 seconds. a chance of showers in the evening. 
.tue through wed night...sw winds 5 to 10 kt. seas around 2 ft.  

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 261403
cwfbox
expires:202609270300;;087627

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz235-270300-
rhode island sound-
1003 am edt sat sep 26 2026

...storm warning in effect through late tonight...

.this afternoon...ne winds 30 to 35 kt with gusts up to 55 kt.
seas 7 to 10 ft. wave detail: ne 10 ft at 8 seconds and nw 5 ft
at 7 seconds. patchy fog. showers. isolated tstms, then a chance
of tstms. some tstms may produce heavy rainfall. vsby 1 to 3 nm,
decreasing to 1 nm or less. 
.tonight...ne winds 30 to 35 kt, diminishing to 25 to 30 kt after
midnight. gusts up to 55 kt. seas 7 to 10 ft. wave detail: ne
10 ft at 8 seconds and w 2 ft at 6 seconds. patchy fog. showers.
vsby 1 nm or less, increasing to 1 to 3 nm after midnight. 
.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 6 to
9 ft. wave detail: ne 9 ft at 8 seconds and se 7 ft at
10 seconds. patchy fog. showers likely in the morning. a chance
of showers in the afternoon. vsby 1 to 3 nm. 
.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
9 seconds and ne 3 ft at 5 seconds. patchy fog. showers. a chance
of tstms in the evening. some tstms may produce heavy rainfall in
the evening with vsby 1 to 3 nm. 
.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 ne 2 ft at
7 seconds. showers likely. patchy fog in the morning. 
.mon night...se winds around 10 kt, becoming sw after midnight.
seas 3 to 4 ft. wave detail: s 4 ft at 8 seconds and e 1 foot at
10 seconds. a chance of showers in the evening. 
.tue and tue night...w winds 10 to 15 kt, diminishing to 5 to
10 kt. seas 2 to 4 ft. 
.wed and wed night...w winds 5 to 10 kt. seas around 2 ft.  

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 261403
cwfbox
expires:202609270300;;087630

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz236-270300-
narragansett bay-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds around 25 kt with gusts up to 50 kt.
waves around 3 ft, except 4 to 6 ft at the bay entrance. patchy
fog. showers with a slight chance of tstms. some tstms may
produce heavy rainfall. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts up to 45 kt. waves
around 3 ft, except 4 to 6 ft at the bay entrance. patchy fog.
showers. vsby 1 to 3 nm. 
.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. patchy fog. showers.
vsby 1 to 3 nm. 
.sun night...ne winds 10 to 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. waves 2 to 3 ft. patchy fog. showers. a
chance of tstms in the evening. some tstms may produce heavy
rainfall in the evening with vsby 1 to 3 nm. 
.mon...ne winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. waves 2 to 3 ft. patchy fog. showers.
.mon night...e winds around 10 kt, becoming sw after midnight.
waves 2 to 3 ft. a chance of showers in the evening. 
.tue through wed night...sw winds 5 to 10 kt. waves 2 to 3 ft.  

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 261403
cwfbox
expires:202609270300;;087618

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz250-270300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds around 30 kt with gusts up to 50 kt.
seas 11 to 13 ft. wave detail: e 13 ft at 11 seconds and e 7 ft
at 6 seconds. patchy fog. showers. isolated tstms, then a chance
of tstms. some tstms may produce heavy rainfall. vsby 1 nm or
less. 
.tonight...ne winds around 30 kt with gusts up to 50 kt. seas
11 to 14 ft. wave detail: e 14 ft at 10 seconds and se 4 ft at
8 seconds. patchy fog. showers. vsby 1 nm or less. 
.sun...ne winds 25 to 30 kt with gusts up to 50 kt. seas 11 to
13 ft, subsiding to 9 to 12 ft in the afternoon. wave detail: e
13 ft at 10 seconds, becoming e 12 ft at 9 seconds and se 3 ft at
9 seconds. patchy fog. showers. vsby 1 nm or less, increasing to
1 to 3 nm in the afternoon. 
.sun night...ne winds 20 to 25 kt. gusts up to 40 kt, decreasing
to 30 kt after midnight. seas 7 to 10 ft. wave detail: e 10 ft at
9 seconds and se 2 ft at 9 seconds. patchy fog. showers likely.
vsby 1 to 3 nm in the evening. 
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: e 9 ft at 9 seconds and se 2 ft at 8 seconds.
patchy fog. showers.
.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 7 ft. wave
detail: e 7 ft at 8 seconds and se 2 ft at 7 seconds. showers
likely, mainly in the evening. 
.tue...nw winds 5 to 10 kt. seas 4 to 6 ft. a chance of showers. 
.tue night and wed...nw winds around 5 kt, becoming w around
5 kt. seas 3 to 5 ft. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft.  

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 261403
cwfbox
expires:202609270300;;087621

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz254-270300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 25 to 30 kt with gusts up to 50 kt.
seas 11 to 15 ft. wave detail: e 15 ft at 11 seconds and sw 4 ft
at 8 seconds. patchy fog. showers. isolated tstms, then a chance
of tstms. some tstms may produce heavy rainfall. vsby 1 to 3 nm,
decreasing to 1 nm or less. 
.tonight...ne winds 25 to 30 kt, diminishing to 20 to 25 kt after
midnight. gusts up to 45 kt. seas 10 to 14 ft. wave detail: e
14 ft at 10 seconds and se 8 ft at 9 seconds. patchy fog.
showers. vsby 1 nm or less. 
.sun...e winds 20 to 25 kt with gusts up to 45 kt. seas 9 to
12 ft. wave detail: ne 12 ft at 10 seconds and s 6 ft at
10 seconds. patchy fog. a chance of showers. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.sun night...e winds 15 to 20 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: ne 8 ft at 9 seconds and s 5 ft at
9 seconds. patchy fog. a chance of showers in the evening, then
showers likely after midnight. vsby 1 to 3 nm in the evening. 
.mon...e winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
8 ft. wave detail: ne 7 ft at 9 seconds and s 3 ft at 7 seconds.
a chance of showers. patchy fog in the morning. 
.mon night...se winds 10 to 15 kt, becoming s 5 to 10 kt after
midnight. seas 5 to 7 ft. wave detail: e 6 ft at 8 seconds and s
3 ft at 8 seconds. a chance of showers in the evening. 
.tue...w winds around 10 kt. seas 4 to 6 ft. 
.tue night and wed...w winds 5 to 10 kt. seas 3 to 5 ft. 
.wed night...sw winds around 5 kt. seas 2 to 4 ft.  

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 261403
cwfbox
expires:202609270300;;087622

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt sat sep 26 2026

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


anz255-270300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 am edt sat sep 26 2026

...storm warning in effect until 8 pm edt this evening...

.this afternoon...ne winds 30 to 35 kt with gusts up to 50 kt.
seas 10 to 14 ft. wave detail: ne 14 ft at 11 seconds and s 5 ft
at 10 seconds. patchy fog. showers. isolated tstms, then a chance
of tstms. some tstms may produce heavy rainfall. vsby 1 to 3 nm,
decreasing to 1 nm or less. 
.tonight...ne winds 25 to 30 kt with gusts up to 45 kt. seas 9 to
13 ft. wave detail: ne 13 ft at 10 seconds and sw 11 ft at
9 seconds. patchy fog. showers. vsby 1 nm or less. 
.sun...e winds 20 to 25 kt with gusts up to 45 kt, diminishing to
15 to 20 kt with gusts up to 35 kt in the afternoon. seas 8 to
11 ft, subsiding to 6 to 9 ft in the afternoon. wave detail: e
9 ft at 10 seconds and s 8 ft at 10 seconds, becoming s 8 ft at
9 seconds and e 5 ft at 9 seconds. patchy fog. a chance of
showers. vsby 1 to 3 nm. 
.sun night...e winds 10 to 15 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 5 to 7 ft. wave detail: s 6 ft at
9 seconds and e 5 ft at 9 seconds. patchy fog. showers likely.
vsby 1 to 3 nm in the evening. 
.mon...e winds 5 to 10 kt. seas 4 to 6 ft. wave detail: sw 5 ft
at 8 seconds and e 4 ft at 9 seconds. a chance of showers. patchy
fog in the morning. 
.mon night...s winds around 10 kt, becoming sw after midnight.
seas 4 to 6 ft. wave detail: sw 5 ft at 8 seconds and e 4 ft at
9 seconds. a chance of showers in the evening. 
.tue...w winds 10 to 15 kt. seas 4 to 6 ft. 
.tue night...w winds 5 to 10 kt. seas 3 to 5 ft. 
.wed and wed night...w winds around 5 kt. seas 2 to 4 ft.  

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.

$$