(1/2)
Latest Coastal Waters Forecast by KBOX
Issued 10/20/2026 10:04 PM America/New_York.
Valid through 10/21/2026 11:00 AM America/New_York.
fzus51 kbox 210204
cwfbox
expires:202610211500;;914443
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue oct 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz230-211500-
boston harbor-
1004 pm edt tue oct 20 2026
...small craft advisory in effect through late wednesday night...
.overnight...ne winds 15 to 20 kt, increasing to 20 to 25 kt.
gusts up to 30 kt. waves 2 to 3 ft.
.wed...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. waves 2 to 3 ft.
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft.
.thu...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft.
.thu night through fri night...nw winds 15 to 20 kt with gusts up
to 25 kt. waves around 2 ft, except 3 to 5 ft at the outer harbor
entrance.
.sat through sun night...sw winds 5 to 10 kt. waves 1 foot or
less, except 2 to 4 ft at the outer harbor entrance.
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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 10/20/2026 10:04 PM America/New_York.
Valid through 10/21/2026 11:00 AM America/New_York.
fzus51 kbox 210204
cwfbox
expires:202610211500;;914444
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt tue oct 20 2026
coastal waters from the merrimack river ma to watch hill ri out
to 60 nm
anz236-211500-
narragansett bay-
1004 pm edt tue oct 20 2026
...small craft advisory in effect through late wednesday night...
.overnight...ne winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft.
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. waves around
3 ft.
.wed night...n winds 15 to 20 kt with gusts up to 30 kt. waves
around 3 ft.
.thu...n winds 15 to 20 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. waves 2 to
3 ft.
.thu night through fri night...n winds 15 to 20 kt. waves 2 to
3 ft.
.sat through sun night...sw winds 5 to 10 kt. waves around 2 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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