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(1/2)
Latest Coastal Waters Forecast by KBOX
Issued 9/18/2026 4:03 PM America/New_York.
Valid through 9/19/2026 5:00 AM America/New_York.
fzus51 kbox 182003
cwfbox
expires:202609190900;;672705
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt fri sep 18 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz230-190900-
boston harbor-
402 pm edt fri sep 18 2026
.tonight...n winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft.
.sat...n winds around 10 kt with gusts up to 20 kt, becoming e in
the afternoon. waves around 2 ft in the morning, then 1 foot or
less.
.sat night...se winds 5 to 10 kt. waves 1 foot or less.
.sun...se winds 5 to 10 kt. waves 1 foot or less. showers likely
in the afternoon.
.sun night...se winds 5 to 10 kt, becoming ne 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
showers.
.mon...ne winds 10 to 15 kt with gusts up to 25 kt. waves around
2 ft. a chance of showers in the morning.
.mon night...ne winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. waves 1 foot or less, then 2 to 3 ft after midnight.
.tue through wed night...ne winds 20 to 25 kt with gusts up to
30 kt. waves 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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 9/18/2026 4:03 PM America/New_York.
Valid through 9/19/2026 5:00 AM America/New_York.
fzus51 kbox 182003
cwfbox
expires:202609190900;;672694
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt fri sep 18 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-190900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
402 pm edt fri sep 18 2026
...small craft advisory in effect from 8 pm edt this evening
through saturday morning...
.tonight...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds.
.sat...n winds 10 to 15 kt with gusts up to 25 kt, becoming ne
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: ne 4 ft
at 6 seconds and w 2 ft at 5 seconds.
.sat night...se winds around 5 kt. seas 2 to 3 ft. wave detail:
ne 3 ft at 7 seconds and nw 1 foot at 4 seconds.
.sun...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and e 2 ft at 7 seconds. a chance of showers in the
afternoon.
.sun night...se winds 5 to 10 kt, becoming e 10 to 15 kt after
midnight. seas around 2 ft. wave detail: e 2 ft at 6 seconds and
s 1 foot at 3 seconds. showers.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 3 seconds and ne 3 ft at 5 seconds.
a chance of showers in the morning.
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft.
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft.
.tue night...ne winds 15 to 20 kt with gusts up to 30 kt. seas
5 to 7 ft.
.wed and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 6 to 9 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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