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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon oct 12 2026

for waters beyond five nautical miles of shore on lake ontario

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 weak ridge averaging 29.9 inches will slide eastward 
across the lake today before exiting eastward tonight. a cold front 
will sweep southeastward across the lake on tuesday. behind the cold 
front, a ridge averaging 30.2 inches builds from northern ontario 
through thursday. a 29.9 inch low may move across the great lakes 
region friday. this low has the potential to deepen into a stronger 
low.


loz062-121500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon oct 12 2026

.today...west winds 10 knots or less becoming southwest. waves
2 feet or less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms late. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots. showers likely with a chance of
thunderstorms in the evening, then a chance of showers overnight.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.thursday...northeast winds 10 to 15 knots becoming east. showers
thursday night. waves 1 to 3 feet. 
.friday...northwest winds 15 to 20 knots increasing to 30 knots.
showers. waves 1 to 3 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 120742
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open lake forecast for lake huron
national weather service detroit/pontiac mi
342 am edt mon oct 12 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...low pressure, 29.60 inches, will then push from the
central plains into the great lakes tomorrow morning, bringing
the next potential for rain showers and isolated thunderstorms.
departure of this system will then facilitate the passage of a
cold front wednesday morning, bringing breezy northwest flow
across northern lake huron.


lhz362-363-121545-
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-
342 am edt mon oct 12 2026

.today...southwest winds 10 to 15 knots becoming south 5 to
10 knots early in the afternoon...then backing to the east late
in the afternoon. waves 1 to 3 feet. 
.tonight...east winds 10 to 15 knots becoming northeast 5 to
10 knots early in the morning. a chance of rain and thunderstorms
after midnight. waves 1 to 3 feet building to 2 to 4 feet in the
late evening and overnight. 
.tuesday...east winds 10 to 15 knots. a chance of rain. waves
1 to 3 feet. 
.tuesday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots in the late evening and overnight. waves 1 to
3 feet. 
.wednesday...northwest winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon...then becoming north 10 to
15 knots late in the evening. waves 2 to 4 feet building to 3 to
5 feet. 
.thursday...northeast winds 10 to 15 knots becoming east 5 to
10 knots until early evening...then veering to the southeast by
midnight. rain likely . waves 2 to 4 feet subsiding to 1 to
3 feet until early evening...then building to 2 to 4 feet by
midnight. 
.friday...west winds 15 to 20 knots with gusts to around 30 knots
becoming northwest to 30 knots with gusts to 45 knot gales in the
late morning and early afternoon...then increasing to 35 knot
gales with gusts to 45 knot gales early in the evening decreasing
to 30 knots with gusts to 45 knot gales by midnight. rain likely
until afternoon...then a chance of rain early in the evening.
waves 3 to 5 feet building to 12 to 16 feet. waves occasionally
around 20 feet. a gale warning may be needed. 


$$

fzus63 kdtx 120742
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open lake forecast for lake huron
national weather service detroit/pontiac mi
342 am edt mon oct 12 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...low pressure, 29.60 inches, will then push from the
central plains into the great lakes tomorrow morning, bringing
the next potential for rain showers and isolated thunderstorms.
departure of this system will then facilitate the passage of a
cold front wednesday morning, bringing breezy northwest flow
across northern lake huron.


lhz462>464-121545-
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-
342 am edt mon oct 12 2026

.today...southwest winds 10 to 15 knots becoming south 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots decreasing to 5 to 10 knots
after midnight. rain likely and a chance of thunderstorms after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.tuesday...southwest winds 10 to 15 knots. a chance of rain.
waves 1 to 3 feet. 
.tuesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. waves 2 to
4 feet. 
.wednesday...northwest winds 5 to 10 knots becoming north 10 to
15 knots. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon. 
.thursday...northeast winds 10 to 15 knots becoming southeast
5 to 10 knots . rain likely . waves 3 to 5 feet subsiding to 1 to
3 feet early in the evening...then building to 2 to 4 feet by
midnight. 
.friday...west winds 15 to 20 knots becoming northwest at 35 knot
gales with gusts to 45 knot gales. rain likely until afternoon...
then a chance of rain . waves 2 to 4 feet building to 12 to
16 feet. waves occasionally around 20 feet. a gale warning may be
needed. 


$$