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Georgian Bay/Simcoe

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fzus63 kdtx 300218
glflh 
expires:202512301030;;469059

open lake forecast for lake huron
national weather service detroit/pontiac mi
918 pm est mon dec 29 2025

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...center of the low pressure system, 28.90 inches, has
lifted away from the great lakes this evening and is now 
positioned over western quebec. widespread strong gales, snow 
squalls, and freezing spray are all expected tonight. the next 
clipper in a persistent northwest flow pattern arrives late 
tuesday.


lhz362-363-301030-
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-
918 pm est mon dec 29 2025

...gale warning in effect through tuesday morning...
...heavy freezing spray warning in effect through tuesday
morning...

.rest of tonight...northwest gales to 35 knots. gusts to 45 knot 
gales. scattered snow showers this evening. freezing spray. waves 
18 to 23 feet. waves occasionally around 28 feet. 
.tuesday...northwest wind at 35 knot gales with gusts to 40 knot 
gales becoming west 20 to 25 knots with gusts to around 30 knots. 
freezing spray. a chance of snow in the afternoon. waves 14 to 18 
feet subsiding to 10 to 14 feet late in the afternoon. waves 
occasionally around 23 feet. 
.tuesday night...west winds 20 to 25 knots. gusts to 30 knots
early in the evening. a chance of snow in the evening. waves 8 to
12 feet. waves occasionally around 15 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 20 to
25 knots with gusts to around 30 knots in the late morning and
afternoon. a chance of snow. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.wednesday night...northwest winds to 30 knots. a chance of snow.
waves 10 to 14 feet. waves occasionally around 18 feet. 
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. waves 8 to 12 feet. waves occasionally around 15 feet. 
.friday...west winds 20 to 25 knots decreasing to 15 to 20 knots.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday...west winds 10 to 15 knots. waves 3 to 5 feet. 


$$
fzus63 kdtx 300218
glflh 
expires:202512301030;;469060

open lake forecast for lake huron
national weather service detroit/pontiac mi
918 pm est mon dec 29 2025

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...center of the low pressure system, 28.90 inches, has
lifted away from the great lakes this evening and is now 
positioned over western quebec. widespread strong gales, snow 
squalls, and freezing spray are all expected tonight. the next 
clipper in a persistent northwest flow pattern arrives late 
tuesday.


lhz462>464-301030-
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-
918 pm est mon dec 29 2025

...gale warning in effect through tuesday morning...

.rest of tonight...northwest wind to 35 knot gales with gusts to 
45 knot gales. scattered snow showers this evening. freezing 
spray. waves 18 to 23 feet. waves occasionally around 28 feet. 
.tuesday...northwest wind at 35 knot gales with gusts to 40 knot 
gales becoming west 20 to 25 knots with gusts to around 30 knots. 
freezing spray. a chance of snow in the afternoon. waves 14 to 18 
feet subsiding to 8 to 12 feet late in the afternoon. waves 
occasionally around 23 feet. 
.tuesday night...west winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots after midnight. a chance of
snow. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...west winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
afternoon. a chance of snow in the morning...then snow in the
afternoon. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday night...northwest winds to 30 knots decreasing to
20 to 25 knots in the late evening and overnight. snow in the
evening...then a chance of snow after midnight. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday...west winds 20 to 25 knots. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.friday...west winds 15 to 20 knots decreasing to 10 to 15 knots
by midnight. waves 4 to 6 feet. waves occasionally around 8 feet.
.saturday...west winds 10 to 15 knots. waves 2 to 4 feet. 


$$
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