fzus51 kbox 272003
cwfbox
expires:202609280900;;155510

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz231-280900-
cape cod bay-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday afternoon...

.tonight...e winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 5 ft at 6 seconds. patchy fog. showers. a
chance of tstms. some tstms may produce heavy rainfall after
midnight. vsby 1 nm or less. 
.mon...e winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. 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. patchy fog. showers
likely. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.mon night...e winds 5 to 10 kt, becoming n with gusts up to
20 kt after midnight. seas 2 to 4 ft. wave detail: ne 4 ft at
7 seconds. patchy fog. showers in the evening. a chance of
showers after midnight. vsby 1 to 3 nm. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: n 3 ft at 6 seconds. patchy fog. showers
likely in the morning. vsby 1 to 3 nm. 
.tue night...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: n
2 ft at 5 seconds. 
.wed and wed night...sw winds around 5 kt. seas around 2 ft. wave
detail: n 2 ft at 6 seconds. 
.thu through fri...sw winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. 
.fri night...nw winds around 10 kt. seas around 2 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 272003
cwfbox
expires:202609280900;;155514

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz232-280900-
nantucket sound-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday morning...

.tonight...e winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: e 4 ft
at 8 seconds and se 3 ft at 7 seconds. patchy fog. showers. a
chance of tstms. some tstms may produce heavy rainfall after
midnight. vsby 1 nm or less. 
.mon...e winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: e 3 ft at 9 seconds and
se 2 ft at 6 seconds. patchy fog. showers likely. vsby 1 nm or
less, increasing to 1 to 3 nm in the afternoon. 
.mon night...se winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: e 3 ft at 9 seconds and s 2 ft at
7 seconds. a chance of showers. patchy fog after midnight. 
.tue...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: nw 2 ft
at 5 seconds and e 2 ft at 8 seconds. patchy fog. showers likely
in the morning. vsby 1 to 3 nm. 
.tue night...nw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw
2 ft at 4 seconds and ne 2 ft at 9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 9 seconds and sw 1 foot at 6 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 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 272003
cwfbox
expires:202609280900;;155515

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz233-280900-
vineyard sound-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday morning...

.tonight...e winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: s 4 ft at 8 seconds and e 3 ft at 6 seconds.
patchy fog. showers. a chance of tstms. some tstms may produce
heavy rainfall after midnight. vsby 1 nm or less. 
.mon...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 7 seconds. patchy fog. showers likely. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.mon night...ne winds 5 to 10 kt, becoming n after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds and e 2 ft at
11 seconds. patchy fog. showers. vsby 1 to 3 nm after midnight. 
.tue...nw winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: nw 3 ft at 7 seconds and
e 1 foot at 8 seconds. patchy fog in the morning with vsby 1 to
3 nm. 
.tue night...n winds around 5 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and ne 1 foot at 8 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 6 seconds and e 1 foot at 12 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.fri night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 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 272003
cwfbox
expires:202609280900;;155516

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz234-280900-
buzzards bay-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday morning...

.tonight...ne winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 3 ft at 4 seconds and se 3 ft at 7 seconds.
patchy fog. showers. a chance of tstms. some tstms may produce
heavy rainfall after midnight. vsby 1 nm or less. 
.mon...e winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e 2 ft
at 5 seconds and ne 2 ft at 10 seconds. patchy fog. a chance of
showers in the morning. showers likely in the afternoon. vsby
1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.mon night...ne winds around 10 kt, becoming n after midnight.
seas 2 to 3 ft. wave detail: e 3 ft at 7 seconds and e 1 foot at
15 seconds. patchy fog. showers. vsby 1 to 3 nm after midnight. 
.tue...nw winds 5 to 10 kt. seas around 2 ft. wave detail: w 2 ft
at 7 seconds and ne 1 foot at 5 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.tue night...n winds around 5 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: ne 1 foot at 3 seconds
and sw 1 foot at 6 seconds, becoming e 1 foot at 4 seconds and sw
1 foot at 5 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 1 foot or less.
wave detail: sw 1 foot at 5 seconds and e 1 foot at 11 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 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 272003
cwfbox
expires:202609280900;;155517

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz235-280900-
rhode island sound-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday morning...

.tonight...e winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. seas 4 to 6 ft. wave detail: s 6 ft at 8 seconds and ne
5 ft at 7 seconds. patchy fog. showers. a chance of tstms. some
tstms may produce heavy rainfall after midnight. vsby 1 nm or
less. 
.mon...e winds 10 to 15 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 7 seconds. patchy fog. showers. vsby 1 nm or less, increasing
to 1 to 3 nm in the afternoon. 
.mon night...ne winds 10 to 15 kt, becoming n after midnight.
seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and ne 2 ft at
9 seconds. patchy fog. showers. vsby 1 to 3 nm. 
.tue...nw winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: nw 4 ft at 7 seconds and
e 2 ft at 9 seconds. patchy fog in the morning with vsby 1 to
3 nm. 
.tue night...n winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 6 seconds and ne 2 ft at 9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 11 seconds and s 1 foot at 7 seconds. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 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 272003
cwfbox
expires:202609280900;;155520

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz236-280900-
narragansett bay-
403 pm edt sun sep 27 2026

.tonight...ne winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. patchy fog. showers. a chance of tstms. some tstms may
produce heavy rainfall after midnight. vsby 1 nm or less. 
.mon...ne winds 10 to 15 kt. waves 2 to 3 ft. patchy fog.
showers. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.mon night...n winds around 10 kt. waves 2 to 3 ft. patchy fog.
showers. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. waves 2 to 3 ft. patchy fog in the
morning with vsby 1 to 3 nm. 
.tue night...n winds around 5 kt. waves around 2 ft.
.wed and wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 kt. waves around 2 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 272003
cwfbox
expires:202609280900;;155508

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz250-280900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt sun sep 27 2026

...gale warning in effect until 9 pm edt this evening...

.tonight...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. wave detail: e 10 ft at 9 seconds and se 8 ft at
9 seconds. patchy fog. showers. a slight chance of tstms this
evening, then a chance of tstms after midnight. some tstms may
produce heavy rainfall after midnight. vsby 1 nm or less. 
.mon...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 6 to 9 ft. wave detail: e 9 ft
at 9 seconds and se 2 ft at 7 seconds. patchy fog. showers. vsby
1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.mon night...ne winds 10 to 15 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: ne 7 ft at 8 seconds and se 2 ft at
7 seconds. patchy fog. showers. vsby 1 nm or less. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: ne 5 ft at 9 seconds and s 2 ft at 7 seconds.
patchy fog. a chance of showers in the morning. vsby 1 to 3 nm. 
.tue night...n winds 5 to 10 kt. seas 3 to 5 ft. wave detail: e
4 ft at 9 seconds and se 1 foot at 7 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: e 4 ft at 9 seconds and s 1 foot at 7 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri night...nw winds around 10 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 272003
cwfbox
expires:202609280900;;155511

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz254-280900-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday evening...

.tonight...e winds 15 to 20 kt with gusts up to 25 kt. seas 6 to
9 ft. wave detail: e 9 ft at 9 seconds and s 5 ft at 8 seconds.
patchy fog. showers. a chance of tstms. some tstms may produce
heavy rainfall after midnight. vsby 1 nm or less. 
.mon...e winds 10 to 15 kt with gusts up to 25 kt, becoming se
5 to 10 kt in the afternoon. seas 5 to 8 ft. wave detail: ne 7 ft
at 9 seconds and s 3 ft at 7 seconds. patchy fog. a chance of
showers. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.mon night...se winds 5 to 10 kt, becoming s after midnight. seas
4 to 6 ft. wave detail: e 6 ft at 8 seconds and s 3 ft at
7 seconds. patchy fog. a chance of showers. vsby 1 nm or less,
increasing to 1 to 3 nm after midnight. 
.tue...nw winds 10 to 15 kt with gusts up to 20 kt. seas 4 to
5 ft. wave detail: e 5 ft at 8 seconds and s 3 ft at 7 seconds.
patchy fog. showers likely in the morning. vsby 1 to 3 nm. 
.tue night and wed...nw winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: e 4 ft at 9 seconds and sw 2 ft at 7 seconds. 
.wed night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds and s 1 foot at 6 seconds. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.fri night...w winds 10 to 15 kt with gusts up to 20 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 272003
cwfbox
expires:202609280900;;155512

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sun sep 27 2026

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


anz255-280900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
403 pm edt sun sep 27 2026

...small craft advisory in effect through monday evening...

.tonight...e winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft. wave detail: s 6 ft at 8 seconds and e 5 ft at 9 seconds.
patchy fog. showers. a chance of tstms. some tstms may produce
heavy rainfall after midnight. vsby 1 nm or less. 
.mon...se winds 5 to 10 kt. seas 4 to 6 ft. wave detail: s 4 ft
at 7 seconds and e 4 ft at 9 seconds. patchy fog. showers likely.
vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon. 
.mon night...se winds 5 to 10 kt, becoming sw after midnight.
seas 4 to 6 ft. wave detail: sw 4 ft at 7 seconds and e 4 ft at
9 seconds. a chance of showers. patchy fog after midnight with
vsby 1 to 3 nm. 
.tue...nw winds 10 to 15 kt. seas 4 to 6 ft. wave detail: sw 4 ft
at 7 seconds and e 3 ft at 8 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.tue night and wed...w winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: w 3 ft at 6 seconds and ne 3 ft at 9 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 9 seconds and s 1 foot at 7 seconds. 
.thu through fri night...w winds 10 to 15 kt with gusts up to
20 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.

$$