(1/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306454
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz231-121800-
cape cod bay-
104 am edt sat sep 12 2026
.rest of tonight...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 4 seconds and s 1 foot at 6 seconds.
.sat...e winds 5 to 10 kt, becoming se with gusts up to 20 kt in
the afternoon. seas 1 foot or less, then around 2 ft in the
afternoon. wave detail: n 1 foot at 3 seconds and s 1 foot at
6 seconds, becoming n 1 foot at 3 seconds and se 1 foot at
6 seconds.
.sat night...s winds around 10 kt. seas around 2 ft. wave detail:
se 1 foot at 2 seconds and n 1 foot at 3 seconds.
.sun...se winds around 10 kt with gusts up to 20 kt. seas around
2 ft. wave detail: s 1 foot at 2 seconds and ne 1 foot at
3 seconds. showers. patchy fog in the afternoon with vsby 1 nm or
less.
.sun night...sw winds 5 to 10 kt, becoming w after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: se
1 foot at 3 seconds and sw 1 foot at 4 seconds, becoming w 1 foot
at 2 seconds and se 1 foot at 4 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: nw 1 foot at 3 seconds and se 1 foot at
6 seconds. patchy fog in the morning. a chance of showers in the
morning.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft.
.tue through wed night...sw 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.
$$
(2/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306458
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz232-121800-
nantucket sound-
104 am edt sat sep 12 2026
.rest of tonight...n winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 3 seconds and s 1 foot at 6 seconds.
.sat...e winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. wave detail: n
1 foot at 3 seconds and s 1 foot at 6 seconds, becoming n 1 foot
at 3 seconds and e 1 foot at 3 seconds.
.sat night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 3 seconds and nw 1 foot at
3 seconds.
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 3 seconds and nw 1 foot at
3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon.
.sun night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
se 1 foot at 10 seconds. patchy fog. vsby 1 nm or less,
increasing to 1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: nw 2 ft at 3 seconds and se 1 foot at
6 seconds. patchy fog in the morning. a chance of showers in the
morning with vsby 1 to 3 nm.
.mon night...n winds 15 to 20 kt. seas 2 to 3 ft.
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas around 2 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(3/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306459
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz233-121800-
vineyard sound-
104 am edt sat sep 12 2026
.rest of tonight...n winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 6 seconds and n 1 foot at 3 seconds.
.sat...e winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 6 seconds and n 1 foot at
3 seconds.
.sat night...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: ne 1 foot at 3 seconds
and s 1 foot at 4 seconds.
.sun...se winds around 10 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: se 2 ft at 4 seconds and nw 1 foot
at 3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon.
.sun night...w winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 6 seconds and sw 1 foot at 3 seconds. patchy fog. vsby
1 nm or less, increasing to 1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 2 ft at 6 seconds and nw 1 foot at
2 seconds. a chance of showers in the morning.
.mon night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas around 2 ft.
.tue through wed night...sw winds 10 to 15 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.
$$
(4/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306460
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz234-121800-
buzzards bay-
104 am edt sat sep 12 2026
.rest of tonight...n winds around 5 kt. seas around 2 ft. wave
detail: ne 1 foot at 2 seconds and nw 1 foot at 5 seconds.
.sat...e winds around 5 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 3 seconds and sw 1 foot at
6 seconds.
.sat night...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 4 seconds and
nw 1 foot at 2 seconds.
.sun...se winds around 10 kt. gusts up to 20 kt in the morning.
seas around 2 ft. wave detail: ne 2 ft at 3 seconds and s 2 ft at
3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon.
.sun night...w winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and se 1 foot at 10 seconds. patchy fog.
vsby 1 nm or less, increasing to 1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: nw 1 foot at 2 seconds and e 1 foot at
3 seconds. a chance of showers in the morning.
.mon night...n winds 10 to 15 kt. seas around 2 ft.
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(5/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306461
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz235-121800-
rhode island sound-
104 am edt sat sep 12 2026
.rest of tonight...n winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 6 seconds and n 1 foot at 3 seconds.
.sat...ne winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
3 seconds.
.sat night...s winds around 10 kt. gusts up to 20 kt after
midnight. seas around 2 ft. wave detail: se 2 ft at 5 seconds and
se 1 foot at 10 seconds.
.sun...se winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 2 to 3 ft. wave detail: s 3 ft at 5 seconds and w 2 ft at
5 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon.
.sun night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds and se 2 ft at 10 seconds. patchy fog. a chance
of showers after midnight. vsby 1 nm or less.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 5 seconds and nw 2 ft at 3 seconds.
a chance of showers in the morning.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft.
.tue through wed night...sw 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.
$$
(6/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306464
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz236-121800-
narragansett bay-
104 am edt sat sep 12 2026
.rest of tonight...n winds around 5 kt. waves around 2 ft.
.sat...ne winds around 5 kt, becoming se in the afternoon. waves
around 2 ft.
.sat night...s winds 5 to 10 kt. waves 1 foot or less, then
around 2 ft after midnight.
.sun...se winds 5 to 10 kt. waves around 2 ft. patchy fog.
showers. vsby 1 to 3 nm, decreasing to 1 nm or less in the
afternoon.
.sun night...w winds around 5 kt. waves around 2 ft. patchy fog.
a chance of showers after midnight. vsby 1 nm or less.
.mon...nw winds 5 to 10 kt with gusts up to 20 kt. waves around
2 ft. a chance of showers in the morning.
.mon night...n winds 5 to 10 kt. waves around 2 ft.
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. waves around 2 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(7/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306452
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-121800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt sat sep 12 2026
.rest of tonight...ne winds 5 to 10 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 1 foot at 4 seconds and s 1 foot
at 7 seconds.
.sat...e winds 5 to 10 kt, becoming se 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: n
1 foot at 3 seconds and s 1 foot at 6 seconds.
.sat night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: se 2 ft at 3 seconds and n 1 foot at
3 seconds.
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 4 seconds and w 1 foot at
3 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon.
.sun night...s winds 5 to 10 kt, becoming w with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: se 2 ft at
5 seconds and sw 1 foot at 3 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 6 seconds and se 3 ft at 9 seconds.
patchy fog in the morning.
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft.
.tue through wed night...sw winds 10 to 15 kt with gusts up 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.
$$
(8/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306455
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz254-121800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 am edt sat sep 12 2026
.rest of tonight...n winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 6 seconds and n 1 foot at 5 seconds.
.sat...e winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 5 seconds and s 1 foot at
6 seconds.
.sat night...s winds around 10 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and n 1 foot at
4 seconds.
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and n 1 foot at 3 seconds.
showers likely in the morning, then showers in the afternoon.
patchy fog in the afternoon with vsby 1 nm or less.
.sun night...sw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. gusts up to 20 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 6 seconds and se 2 ft at 9 seconds. patchy fog. vsby 1 nm or
less, increasing to 1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 8 seconds and nw 2 ft at 3 seconds.
patchy fog in the morning with vsby 1 to 3 nm.
.mon night...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 3 ft.
.tue through wed night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
(9/9)
Latest Coastal Waters Forecast by KBOX
Issued 9/12/2026 1:05 AM America/New_York.
Valid through 9/12/2026 2:00 PM America/New_York.
fzus51 kbox 120505
cwfbox
expires:202609121800;;306456
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat sep 12 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz255-121800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 am edt sat sep 12 2026
.rest of tonight...n winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 6 seconds and n 1 foot at 4 seconds.
.sat...e winds 5 to 10 kt, becoming se in the afternoon. seas
around 2 ft. wave detail: s 2 ft at 6 seconds and n 1 foot at
4 seconds.
.sat night...se winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 5 seconds and n 1 foot at
4 seconds.
.sun...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds and ne 1 foot at
3 seconds. patchy fog. showers likely in the morning. showers in
the afternoon. vsby 1 to 3 nm, decreasing to 1 nm or less in the
afternoon.
.sun night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and w
1 foot at 3 seconds. patchy fog. vsby 1 nm or less, increasing to
1 to 3 nm after midnight.
.mon...nw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 6 seconds and nw 2 ft at 3 seconds.
patchy fog in the morning. a chance of showers in the morning
with vsby 1 to 3 nm.
.mon night...n winds 10 to 15 kt, becoming ne 15 to 20 kt after
midnight. seas 2 to 3 ft.
.tue through wed night...sw winds 10 to 15 kt with gusts up 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.
$$
|