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(1/2)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/21/2026 9:47 AM America/New_York.
Valid through 7/21/2026 6:00 PM America/New_York.
fzus63 kdtx 211347
glflh
expires:202607212200;;350175
open lake forecast for lake huron
national weather service detroit/pontiac mi
947 am edt tue jul 21 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 cold front tracks across the great lakes late
tonight, with potential for strong to severe thunderstorms in its
wake. a second cold front then sweeps across the area tuesday
evening, bringing a brief period of gusts to gale force. high
pressure fills in mid-week for a drier pattern to end the work
week.
lhz362-363-212200-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
947 am edt tue jul 21 2026
.rest of today...southwest winds 10 to 15 knots becoming west
15 to 20 knots with gusts to around 30 knots late in the
afternoon. a chance of showers. waves 4 to 6 feet building to
6 to 9 feet late in the afternoon. waves occasionally around
12 feet.
.tonight...northwest winds to 30 knots with brief gusts to 35
knot gales. waves 10 to 14 feet. waves occasionally around 18
feet.
.wednesday...northwest winds 20 to 25 knots. gusts to 30 knots
early in the morning then 30 knots early in the afternoon. waves
8 to 12 feet. waves occasionally around 15 feet.
.wednesday night...northwest winds 15 to 20 knots with gusts to
around 30 knots decreasing to 10 to 15 knots in the late evening
and overnight. waves 5 to 7 feet. waves occasionally around
10 feet.
.thursday...west winds 5 to 10 knots backing to the south late in
the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet.
.friday...southwest winds 5 to 10 knots becoming southeast 10 to
15 knots early in the evening...then becoming south 5 to 10 knots
by midnight. waves 1 to 3 feet.
.saturday...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the evening...then decreasing to 5 to 10 knots
by midnight. a chance of showers by midnight. waves 1 to 3 feet.
$$
(2/2)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/21/2026 9:47 AM America/New_York.
Valid through 7/21/2026 6:00 PM America/New_York.
fzus63 kdtx 211347
glflh
expires:202607212200;;350176
open lake forecast for lake huron
national weather service detroit/pontiac mi
947 am edt tue jul 21 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 cold front tracks across the great lakes late
tonight, with potential for strong to severe thunderstorms in its
wake. a second cold front then sweeps across the area tuesday
evening, bringing a brief period of gusts to gale force. high
pressure fills in mid-week for a drier pattern to end the work
week.
lhz462>464-212200-
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-
947 am edt tue jul 21 2026
.rest of today...west winds 10 to 15 knots. a chance of showers
and thunderstorms. waves 3 to 5 feet.
.tonight...northwest winds 15 to 20 knots increasing to 20 to
25 knots with brief gusts to around 30 knots in the late evening
and overnight. a chance of showers and thunderstorms in the
evening. waves 6 to 9 feet building to 10 to 14 feet in the late
evening and overnight. waves occasionally around 18 feet.
.wednesday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots early in the afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet.
.wednesday night...northwest winds 10 to 15 knots. waves 4 to
6 feet. waves occasionally around 8 feet.
.thursday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming south 5 to 10 knots late in
the afternoon. waves 2 to 4 feet subsiding to 2 feet or less.
.friday...southwest winds 5 to 10 knots backing to the southeast
. waves 2 feet or less.
.saturday...south winds 5 to 10 knots early in the morning
becoming light and variable...then becoming south 5 to 10 knots .
waves 2 feet or less.
$$
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