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(1/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/13/2026 4:06 AM America/New_York.
Valid through 3/13/2026 12:15 PM America/New_York.
fzus63 kdtx 130806 aaa
glflh
expires:202603131615;;590190
open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
406 am edt fri mar 13 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a strong low pressure system, 29.10 inches, moves over
northern lower michigan and central lake huron this morning. this
will bring widespread gales to the great lakes. a gale warning is
in effect. the low quickly moves out tonight with high pressure,
30.20 inches, briefly building back in on saturday. a second
strong low pressure system, 28.80 inches, moves across southern
michigan and lake huron late sunday into monday. this brings
additional potential for gust to gales.
lhz361-362-131615-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
406 am edt fri mar 13 2026
...gale warning in effect through late tonight...
.today...east winds to 30 knots increasing to 35 knot gales late
in the morning...then decreasing to 30 knots in the afternoon.
gusts to 45 knot gales. snow. snow may be heavy at times. waves
8 to 12 feet building to 12 to 16 feet in the late morning and
afternoon. waves occasionally around 20 feet.
.tonight...north winds to 30 knots becoming northwest 20 to
25 knots early in the morning. gusts to 40 knot gales. snow
likely in the evening. waves 10 to 14 feet. waves occasionally
around 18 feet.
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 6 to 9 feet subsiding
to 3 to 5 feet early in the afternoon. waves occasionally around
12 feet.
.saturday night...north winds 5 to 10 knots veering to the east
by midnight...then becoming southeast 10 to 15 knots after
midnight. a chance of snow after midnight. waves 1 to 3 feet.
.sunday...east winds 20 to 25 knots with gusts to around 30 knots
becoming northeast at 35 knot gales with gusts to 45 knot gales.
snow. rain late in the afternoon. freezing rain late in the
evening. snow may be heavy at times. waves 6 to 9 feet building
to 14 to 18 feet. waves occasionally around 23 feet. a gale
warning may be needed.
.monday...north at 35 knot gales backing to the southwest early
in the evening...then veering to the northwest by midnight. gusts
to 45 knot gales. rain and snow early in the morning. snow and
rain likely in the late morning and early afternoon. a chance of
snow . waves 14 to 18 feet. waves occasionally around 23 feet.
.tuesday...northwest at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. a chance of snow early in the
morning. waves 15 to 20 feet subsiding to 8 to 12 feet . waves
occasionally around 25 feet.
$$
(2/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/13/2026 4:06 AM America/New_York.
Valid through 3/13/2026 12:15 PM America/New_York.
fzus63 kdtx 130806 aaa
glflh
expires:202603131615;;590191
open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
406 am edt fri mar 13 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a strong low pressure system, 29.10 inches, moves over
northern lower michigan and central lake huron this morning. this
will bring widespread gales to the great lakes. a gale warning is
in effect. the low quickly moves out tonight with high pressure,
30.20 inches, briefly building back in on saturday. a second
strong low pressure system, 28.80 inches, moves across southern
michigan and lake huron late sunday into monday. this brings
additional potential for gust to gales.
lhz363-131615-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
406 am edt fri mar 13 2026
...gale warning in effect through late tonight...
.today...southeast winds 20 to 25 knots increasing to 30 knots
late in the morning...then becoming south 20 to 25 knots in the
afternoon. gusts to 45 knot gales decreasing to 35 knot gales
late in the afternoon. snow in the morning...then a chance of
snow and rain in the afternoon. snow may be heavy at times in the
morning. waves 8 to 12 feet. waves occasionally around 15 feet.
.tonight...west winds to 30 knots veering to the northwest by
midnight...then decreasing to 20 to 25 knots early in the
morning. gusts to 40 knot gales. a chance of snow. waves 8 to
12 feet. waves occasionally around 14 feet.
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 8 to 12 feet
subsiding to 3 to 5 feet early in the afternoon. waves
occasionally around 15 feet.
.saturday night...north winds 5 to 10 knots veering to the
southeast by midnight...then increasing to 10 to 15 knots after
midnight. a chance of snow after midnight. waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.sunday...east winds 15 to 20 knots increasing to 30 knots with
gusts to 40 knot gales. snow. freezing rain late in the morning.
rain. snow may be heavy at times in the morning. waves 5 to
7 feet building to 10 to 14 feet. waves occasionally around
18 feet.
.monday...southeast winds to 30 knots with gusts to 45 knot gales
becoming west at 35 knot gales with storm force gusts to 50 knots
. rain with snow likely early in the morning...then rain likely
in the late morning and early afternoon. a chance of snow. waves
14 to 18 feet. waves occasionally around 23 feet. a gale warning
may be needed.
.tuesday...northwest at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. a chance of snow early in the
morning. waves 15 to 20 feet subsiding to 6 to 9 feet. waves
occasionally around 25 feet.
$$
(3/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/13/2026 4:06 AM America/New_York.
Valid through 3/13/2026 12:15 PM America/New_York.
fzus63 kdtx 130806 aaa
glflh
expires:202603131615;;590192
open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
406 am edt fri mar 13 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a strong low pressure system, 29.10 inches, moves over
northern lower michigan and central lake huron this morning. this
will bring widespread gales to the great lakes. a gale warning is
in effect. the low quickly moves out tonight with high pressure,
30.20 inches, briefly building back in on saturday. a second
strong low pressure system, 28.80 inches, moves across southern
michigan and lake huron late sunday into monday. this brings
additional potential for gust to gales.
lhz462>464-131615-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
406 am edt fri mar 13 2026
...gale warning in effect through late tonight...
.today...southeast winds 20 to 25 knots increasing to 30 knots
late in the morning...then becoming south 20 to 25 knots early in
the afternoon veering to the southwest late in the afternoon.
gusts to 45 knot gales. snow in the morning...then a chance of
rain and snow in the afternoon. snow may be heavy at times in the
morning. waves 8 to 12 feet. waves occasionally around 15 feet.
.tonight...west winds to 30 knots increasing to 35 knot gales
late in the evening...then becoming northwest to 30 knots after
midnight. gusts to 45 knot gales decreasing to 35 knot gales
early in the morning. a chance of snow and rain in the evening...
then a chance of snow after midnight. waves 10 to 14 feet. waves
occasionally around 18 feet.
.saturday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 8 to 12 feet
subsiding to 4 to 6 feet early in the afternoon. waves
occasionally around 15 feet.
.saturday night...north winds 5 to 10 knots veering to the east
by midnight...then increasing to 10 to 15 knots after midnight. a
chance of snow after midnight. waves 2 to 4 feet subsiding to
1 to 3 feet by midnight...then building to 2 to 4 feet after
midnight.
.sunday...east winds 20 to 25 knots with gusts to around 30 knots
increasing to 30 knots with gusts to 40 knot gales late in the
afternoon...then becoming southeast at 35 knot gales with gusts
to 45 knot gales late in the evening. snow with rain likely and
freezing rain...then rain late in the afternoon. waves 8 to
12 feet building to 10 to 14 feet late in the evening. waves
occasionally around 18 feet. a gale warning may be needed.
.monday...south winds to 30 knots becoming west at 35 knot gales
. gusts to 45 knot gales. rain early in the morning...then rain
likely in the late morning and early afternoon. a chance of snow.
waves 10 to 14 feet. waves occasionally around 18 feet.
.tuesday...west at 35 knot gales with gusts to 40 knot gales
becoming northwest 15 to 20 knots. a chance of snow early in the
morning. waves 12 to 16 feet subsiding to 8 to 12 feet . waves
occasionally around 20 feet.
$$
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