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Georgian Bay/Simcoe

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fzus63 kdtx 150748
glflh 
expires:202510151600;;165342

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt wed oct 15 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...northeast flow backs to northwest by the late
afternoon and evening hours in the wake of a cold front.
expansive high pressure, 30.30 inches, will then build into the
great lakes through and will last through thursday.


lhz362-363-151600-
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-
348 am edt wed oct 15 2025

.today...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet in the afternoon. 
.tonight...north winds 10 to 15 knots decreasing to 5 to 10 knots
early in the morning. waves 1 to 3 feet. 
.thursday...north winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 feet or less. 
.thursday night...light and variable winds becoming south 5 to
10 knots after midnight. a chance of showers after midnight.
waves 2 feet or less. 
.friday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers...then showers likely late in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet. waves
occasionally around 8 feet. 
.saturday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of showers early
in the morning...then showers likely in the late morning and
early afternoon. rain showers until early morning. waves 4 to
6 feet. waves occasionally around 8 feet. 
.sunday...west winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and early afternoon...then becoming
west 20 to 25 knots early in the evening decreasing to 15 to
20 knots in the late evening and early morning. showers likely...
then a chance of showers in the late evening and early morning.
waves 3 to 5 feet building to 6 to 9 feet until early morning.
waves occasionally around 12 feet. 


$$
fzus63 kdtx 150748
glflh 
expires:202510151600;;165343

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt wed oct 15 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...northeast flow backs to northwest by the late
afternoon and evening hours in the wake of a cold front.
expansive high pressure, 30.30 inches, will then build into the
great lakes through and will last through thursday.


lhz462>464-151600-
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-
348 am edt wed oct 15 2025

.today...north winds 10 to 15 knots. waves 3 to 5 feet subsiding
to 2 to 4 feet late in the afternoon. 
.tonight...north winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.thursday...north winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...north winds 5 to 10 knots early in the evening
becoming light and variable...then becoming east 5 to 10 knots
after midnight. waves 2 feet or less. 
.friday...south winds 5 to 10 knots increasing to 15 to 20 knots.
a chance of showers late in the morning. rain showers likely late
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet. 
.saturday...south winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then decreasing to 15 to 20 knots until early
morning. a chance of showers early in the morning...then showers
until early morning. waves 3 to 5 feet. 
.sunday...west winds 15 to 20 knots with gusts to around 30 knots
increasing to 20 to 25 knots with gusts to around 30 knots early
in the evening...then decreasing to 15 to 20 knots in the late
evening and early morning. showers early in the morning...then
showers likely. waves 3 to 5 feet building to 6 to 9 feet until
early morning. waves occasionally around 12 feet. 


$$
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