(1/2)
Latest Coastal Waters Forecast by KBOX
Issued 3/18/2026 4:04 PM America/New_York.
Valid through 3/19/2026 5:00 AM America/New_York.
fzus51 kbox 182004
cwfbox
expires:202603190900;;916357
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt wed mar 18 2026
coastal waters from the merrimack river ma to watch hill ri out
to 25 nm
anz230-190900-
boston harbor-
404 pm edt wed mar 18 2026
.tonight...s winds 5 to 10 kt. waves 1 foot or less.
.thu...se winds 5 to 10 kt. waves 1 foot or less.
.thu night...s winds around 10 kt. waves 1 foot or less.
.fri...sw winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less.
.fri night and sat...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. a chance of rain in the evening, then rain
likely through the day. a chance of rain in the afternoon.
.sat night...sw winds 15 to 20 kt. waves around 2 ft.
.sun and sun night...w winds 15 to 20 kt, becoming n 20 to 25 kt.
waves around 2 ft. a chance of rain.
.mon and mon night...n winds 20 to 25 kt, diminishing to 15 to
20 kt. waves around 2 ft, except 3 to 5 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.
$$
(2/2)
Latest Coastal Waters Forecast by KBOX
Issued 3/18/2026 4:04 PM America/New_York.
Valid through 3/19/2026 5:00 AM America/New_York.
fzus51 kbox 182004
cwfbox
expires:202603190900;;916358
coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt wed mar 18 2026
coastal waters from the merrimack river ma to watch hill ri out
to 25 nm
anz236-190900-
narragansett bay-
404 pm edt wed mar 18 2026
.tonight...s winds 5 to 10 kt, becoming se after midnight. waves
2 to 3 ft.
.thu...se winds around 5 kt, becoming s in the afternoon. waves
2 to 3 ft.
.thu night...s winds 5 to 10 kt. waves around 2 ft.
.fri...sw winds 5 to 10 kt. waves around 2 ft.
.fri night and sat...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. a chance of rain in the evening, then rain
likely through the day.
.sat night...sw winds 10 to 15 kt. waves 2 to 3 ft.
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. a chance of rain.
.sun night...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of
rain and snow.
.mon and mon night...n winds 15 to 20 kt, diminishing to 10 to
15 kt. waves 2 to 3 ft.
seas are reported as significant wave height, which is the
average of the highest third of the waves. individual wave
heights may be more than twice the significant wave height.
$$
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