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(1/2)
Latest Coastal Waters Forecast by KBOX
Issued 4/21/2026 1:44 PM America/New_York.
Valid through 4/22/2026 2:00 AM America/New_York.
fzus51 kbox 211744
cwfbox
expires:202604220600;;754487
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
143 pm edt tue apr 21 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz230-220600-
boston harbor-
143 pm edt tue apr 21 2026
.this afternoon...e winds 5 to 10 kt. waves 1 foot or less.
.tonight...s winds 10 to 15 kt. waves around 2 ft.
.wed...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. a chance of showers.
.wed night...s winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. patchy fog. a chance of showers in
the evening.
.thu and thu night...nw winds 10 to 15 kt. waves around 2 ft.
.fri through sat night...sw winds 5 to 10 kt. waves 1 foot or
less.
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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 4/21/2026 1:44 PM America/New_York.
Valid through 4/22/2026 2:00 AM America/New_York.
fzus51 kbox 211744
cwfbox
expires:202604220600;;754476
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
143 pm edt tue apr 21 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-220600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
143 pm edt tue apr 21 2026
.this afternoon...e winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 5 seconds and se 1 foot at 7 seconds.
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at 6 seconds.
.wed...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at 7 seconds.
a chance of showers in the afternoon.
.wed night...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and e 2 ft at 8 seconds. patchy fog.
a chance of showers after midnight with vsby 1 to 3 nm.
.thu and thu night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and e 2 ft at 8 seconds.
.fri through sat night...sw winds 5 to 10 kt. seas 2 to 3 ft.
wave detail: n 3 ft at 5 seconds and e 3 ft at 14 seconds.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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