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(1/2)
Latest Coastal Waters Forecast by KBOX
Issued 4/30/2026 4:05 PM America/New_York.
Valid through 5/1/2026 5:00 AM America/New_York.
fzus51 kbox 302005
cwfbox
expires:202605010900;;799284
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu apr 30 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz230-010900-
boston harbor-
404 pm edt thu apr 30 2026
.tonight...sw winds around 5 kt, becoming nw after midnight.
waves 1 foot or less, except 2 to 4 ft at the outer harbor
entrance.
.fri...nw winds 5 to 10 kt. waves 1 foot or less.
.fri night...w winds 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less.
.sat...sw winds around 5 kt, becoming s in the afternoon. waves
1 foot or less. a chance of showers in the afternoon.
.sat night...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less. a chance of showers.
.sun...n winds 5 to 10 kt. waves 1 foot or less. a chance of
showers.
.sun night...w winds around 10 kt. waves around 2 ft.
.mon through tue night...s winds 20 to 25 kt with gusts up to
30 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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 4/30/2026 4:05 PM America/New_York.
Valid through 5/1/2026 5:00 AM America/New_York.
fzus51 kbox 302005
cwfbox
expires:202605010900;;799273
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt thu apr 30 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz250-010900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt thu apr 30 2026
...small craft advisory in effect through friday afternoon...
.tonight...sw winds around 5 kt, becoming w after midnight. seas
4 to 6 ft. wave detail: e 6 ft at 10 seconds and ne 3 ft at
6 seconds. patchy fog. vsby 1 to 3 nm.
.fri...w winds 5 to 10 kt. seas 3 to 5 ft. wave detail: e 5 ft at
10 seconds and w 1 foot at 2 seconds.
.fri night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds and w 1 foot at 2 seconds.
.sat...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e 4 ft at
9 seconds and sw 1 foot at 2 seconds.
.sat night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds and s 1 foot at 4 seconds. a chance of showers.
.sun...n winds around 10 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 9 seconds and n 3 ft at 3 seconds. showers likely, mainly in
the morning.
.sun night...w winds 10 to 15 kt with gusts up to 20 kt. seas
around 3 ft.
.mon through tue...s winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 4 ft.
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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