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(1/2)
Latest Coastal Waters Forecast by KBOX
Issued 7/20/2026 4:04 PM America/New_York.
Valid through 7/21/2026 5:00 AM America/New_York.
fzus51 kbox 202004
cwfbox
expires:202607210900;;306911
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt mon jul 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz235-210900-
rhode island sound-
404 pm edt mon jul 20 2026
...gale watch in effect from tuesday afternoon through wednesday
evening...
.tonight...s winds around 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 7 seconds and se 1 foot at 12 seconds.
.tue...s winds 10 to 15 kt, becoming se 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 7 seconds and e 1 foot at 12 seconds. a chance of showers and
tstms in the afternoon.
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft, building to 5 to 7 ft after midnight. wave detail: s
5 ft at 7 seconds and w 2 ft at 7 seconds, becoming s 7 ft at
7 seconds and e 1 foot at 12 seconds. showers with a chance of
tstms.
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 8 ft at 8 seconds and se 5 ft at 9 seconds.
showers with a chance of tstms in the morning, then a chance of
showers in the afternoon.
.wed night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 10 to 15 kt with gusts up to 20 kt after midnight.
seas 5 to 8 ft. wave detail: s 8 ft at 9 seconds and se 4 ft at
9 seconds. showers likely.
.thu...nw winds around 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: s 6 ft at 9 seconds and e 4 ft at
10 seconds. a chance of showers in the morning.
.thu night...s winds 5 to 10 kt, becoming ne after midnight. seas
3 to 4 ft.
.fri through sat night...e winds 5 to 10 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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 7/20/2026 4:04 PM America/New_York.
Valid through 7/21/2026 5:00 AM America/New_York.
fzus51 kbox 202004
cwfbox
expires:202607210900;;306914
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt mon jul 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz236-210900-
narragansett bay-
404 pm edt mon jul 20 2026
.tonight...s winds 5 to 10 kt. waves around 2 ft.
.tue...s winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of showers and tstms in the afternoon.
.tue night...s winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft, building to 3 to 5 ft after midnight. showers with a
chance of tstms.
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. waves 3 to
5 ft. showers likely with a chance of tstms in the morning, then
a chance of showers in the afternoon.
.wed night...sw winds 15 to 20 kt with gusts up to 25 kt,
becoming w 5 to 10 kt after midnight. waves 2 to 4 ft. a chance
of showers.
.thu and thu night...n winds 5 to 10 kt. waves 2 to 3 ft.
.fri through sat night...s winds 5 to 10 kt. waves around 2 ft.
winds and waves higher in and near tstms.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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