(1/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999387
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz231-120300-
cape cod bay-
1005 am edt tue aug 11 2026
.this afternoon...w winds around 5 kt. seas 1 foot or less. wave
detail: w 1 foot at 3 seconds and e 1 foot at 8 seconds.
.tonight...nw winds around 5 kt. seas 1 foot or less. wave
detail: w 1 foot at 2 seconds and n 1 foot at 2 seconds.
.wed...nw winds around 5 kt, becoming e in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 2 seconds and nw 1 foot
at 3 seconds.
.wed night...sw winds around 5 kt. seas 1 foot or less. wave
detail: s 1 foot at 2 seconds and n 1 foot at 3 seconds.
.thu...sw winds 5 to 10 kt. seas 1 foot or less, then around 2 ft
in the afternoon. wave detail: sw 1 foot at 2 seconds and ne
1 foot at 3 seconds, becoming sw 1 foot at 2 seconds and e 1 foot
at 3 seconds. a chance of showers in the afternoon.
.thu night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: sw 1 foot at 2 seconds
and e 1 foot at 3 seconds, becoming e 1 foot at 2 seconds and sw
1 foot at 3 seconds. a chance of showers.
.fri through sat night...w winds 15 to 20 kt with gusts up to
25 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.
$$
(2/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999391
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz232-120300-
nantucket sound-
1005 am edt tue aug 11 2026
.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 2 ft at 3 seconds and s 2 ft at
6 seconds.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and n 1 foot at 2 seconds.
.wed...n winds around 5 kt, becoming se in the afternoon. seas
1 foot or less. wave detail: nw 1 foot at 2 seconds and sw 1 foot
at 5 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 1 foot at 2 seconds and sw 1 foot at 4 seconds.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and se 1 foot at 3 seconds.
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w after midnight. seas around 2 ft. wave detail: sw 2 ft
at 4 seconds and e 1 foot at 4 seconds. a chance of showers.
.fri...nw winds 10 to 15 kt. seas around 2 ft. a chance of
showers.
.fri night through sat night...w winds 15 to 20 kt. seas 2 to
3 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(3/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999392
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz233-120300-
vineyard sound-
1005 am edt tue aug 11 2026
.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
9 seconds.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw around 5 kt after midnight. seas around 2 ft. wave detail: sw
2 ft at 5 seconds and se 1 foot at 9 seconds.
.wed...ne winds around 5 kt, becoming s in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail: w
1 foot at 5 seconds and se 1 foot at 9 seconds, becoming ne
1 foot at 4 seconds and w 1 foot at 6 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
e 1 foot at 2 seconds and sw 1 foot at 4 seconds.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 4 seconds and se 1 foot at 8 seconds.
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w after midnight. seas around 2 ft. wave detail: sw 2 ft
at 5 seconds and se 1 foot at 6 seconds. a chance of showers.
.fri...w winds 10 to 15 kt. seas around 2 ft. a chance of
showers.
.fri night through sat night...w winds 10 to 15 kt with gusts up
to 20 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.
$$
(4/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999393
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz234-120300-
buzzards bay-
1005 am edt tue aug 11 2026
.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
9 seconds.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw around 5 kt after midnight. seas around 2 ft in the evening,
then 1 foot or less. wave detail: sw 2 ft at 5 seconds and se
1 foot at 9 seconds, becoming sw 1 foot at 5 seconds and se
1 foot at 9 seconds.
.wed...n winds around 5 kt, becoming s in the afternoon. seas
1 foot or less. wave detail: n 1 foot at 2 seconds and w 1 foot
at 5 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
e 1 foot at 3 seconds and sw 1 foot at 4 seconds.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft
in the afternoon. wave detail: sw 1 foot at 4 seconds and se
1 foot at 8 seconds, becoming s 2 ft at 4 seconds and se 1 foot
at 8 seconds.
.thu night...sw winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and se
1 foot at 5 seconds. a chance of showers.
.fri...w winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. a chance of showers.
.fri night through sat night...w winds 10 to 15 kt with gusts up
to 20 kt. seas around 2 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(5/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999394
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz235-120300-
rhode island sound-
1005 am edt tue aug 11 2026
.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
9 seconds.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw around 5 kt after midnight. seas 2 to 3 ft. wave detail: sw
3 ft at 5 seconds and se 1 foot at 9 seconds.
.wed...ne winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and nw 1 foot at
4 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and ne 1 foot at 2 seconds.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: s
2 ft at 4 seconds and se 1 foot at 8 seconds.
.thu night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and se
1 foot at 6 seconds. a chance of showers.
.fri...w winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers.
.fri night through sat night...w winds 15 to 20 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.
$$
(6/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999397
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz236-120300-
narragansett bay-
1005 am edt tue aug 11 2026
.this afternoon...w winds 5 to 10 kt, increasing to 10 to 15 kt
with gusts up to 20 kt. waves around 2 ft.
.tonight...w winds 5 to 10 kt, becoming nw after midnight. waves
around 2 ft in the evening, then 1 foot or less.
.wed...n winds around 5 kt, becoming s in the afternoon. waves
1 foot or less.
.wed night...sw winds 5 to 10 kt. waves around 2 ft.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 1 foot or less, then around
2 ft in the afternoon.
.thu night...sw winds 5 to 10 kt, becoming w after midnight.
waves around 2 ft. a chance of showers.
.fri through sat night...nw winds 10 to 15 kt with gusts up to
20 kt. waves around 2 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(7/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999385
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-120300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt tue aug 11 2026
.this afternoon...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 3 seconds and se 1 foot at 4 seconds.
.tonight...nw winds 5 to 10 kt. seas around 2 ft. wave detail: nw
1 foot at 3 seconds and s 1 foot at 6 seconds.
.wed...nw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: nw 1 foot at 3 seconds and s 1 foot at
6 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and n 1 foot at 3 seconds.
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 2 seconds and sw 1 foot at 3 seconds. a chance of
showers in the afternoon.
.thu night...sw winds around 10 kt. seas around 2 ft. wave
detail: e 1 foot at 3 seconds and sw 1 foot at 3 seconds. a
chance of showers in the evening.
.fri through sat night...w winds 10 to 15 kt with gusts up to
25 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.
$$
(8/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999388
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz254-120300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am edt tue aug 11 2026
.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 2 ft at 7 seconds and w 1 foot at
3 seconds.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: nw
2 ft at 4 seconds and s 2 ft at 6 seconds.
.wed...n winds around 5 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and s 1 foot at
6 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
nw 1 foot at 3 seconds and n 1 foot at 3 seconds.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: s 2 ft
at 5 seconds and nw 1 foot at 3 seconds.
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w after midnight. seas 2 to 3 ft. wave detail: sw 2 ft
at 4 seconds and e 1 foot at 3 seconds. a chance of showers.
.fri...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. a chance of showers.
.fri night through sat night...w winds 15 to 20 kt with gusts up
to 25 kt. seas 2 to 3 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(9/9)
Latest Coastal Waters Forecast by KBOX
Issued 8/11/2026 10:06 AM America/New_York.
Valid through 8/11/2026 11:00 PM America/New_York.
fzus51 kbox 111406
cwfbox
expires:202608120300;;999389
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 11 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz255-120300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt tue aug 11 2026
.this afternoon...w winds 10 to 15 kt. gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 5 seconds and se 1 foot at
9 seconds.
.tonight...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: sw
2 ft at 6 seconds and se 1 foot at 9 seconds.
.wed...n winds around 5 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and n 1 foot at
2 seconds.
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds and n 1 foot at 2 seconds.
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: sw
2 ft at 6 seconds and se 1 foot at 3 seconds.
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w after midnight. seas 2 to 3 ft. wave detail: sw 3 ft
at 5 seconds and e 1 foot at 6 seconds. a chance of showers.
.fri...w winds 10 to 15 kt. seas 2 to 4 ft. a chance of showers.
.fri night through sat night...w winds 15 to 20 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.
$$
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