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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est sun nov 30 2025

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 29.7 inch surface low near the ontario/quebec border 
will track towards eastern quebec and the canadian maritimes 
overnight. a 30.4 inch surface high centered over the central plains 
will then build east across the great lakes monday, sliding quickly 
to new england on tuesday. a 29.6 inch surface low off the carolina 
coastline tuesday morning will deepen to 28.9 inches over southern 
atlantic canada by early wednesday morning before going out to sea. 
a 30.2 inch surface high will build across the ohio valley and lower 
great lakes later wednesday into thursday morning before pushing off 
the coast. a large 29.2 inch surface low near hudson bay will push 
its cold front across the lake on thursday, with another 30.4 inch 
high building in its wake thursday night. the high will then quickly 
move east of the lake friday.


loz062-011000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est sun nov 30 2025

...gale warning in effect until 4 am est monday...

.rest of tonight...northwest winds to 30 knots. a chance of snow
showers. waves 10 to 14 feet subsiding to 7 to 10 feet. waves
occasionally around 18 feet. 
.monday...northwest winds 15 to 20 knots becoming southwest and
diminishing to less than 10 knots in the afternoon. waves 4 to
7 feet subsiding to 2 feet or less. waves occasionally around
9 feet. 
.monday night...south winds 10 knots or less. snow overnight.
waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming northwest. snow
in the morning, then a chance of snow showers in the afternoon.
waves 1 foot or less. 
.tuesday night...northwest winds 10 to 15 knots becoming west.
waves 1 to 2 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain and snow showers during the day, then
snow showers likely with a chance of rain showers wednesday
night. waves 3 to 6 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.thursday...west winds to 30 knots diminishing to 10 to 15 knots.
snow showers likely during the day, then a chance of snow showers
thursday night. waves 5 to 9 feet subsiding to 3 to 5 feet. waves
occasionally around 11 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers friday night. waves 3 to
5 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
310 am est mon dec 1 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...high pressure, 30.50 inches, expands over the central
great lakes tonight through monday. a strong arctic cold front
arrives midweek bringing a period of stronger preceding southwest
and trailing northwest winds.


lhz362-363-011615-
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-
310 am est mon dec 1 2025

.today...west winds 5 to 10 knots backing to the southwest late
in the morning...then increasing to 10 to 15 knots early in the
afternoon increasing to 15 to 20 knots late in the afternoon.
waves 3 to 5 feet subsiding to 1 to 3 feet early in the
afternoon...then building to 2 to 4 feet late in the afternoon. 
.tonight...southwest winds 15 to 20 knots. a chance of snow.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.tuesday...west winds 10 to 15 knots. waves 3 to 5 feet subsiding
to 1 to 3 feet early in the afternoon. 
.tuesday night...southwest winds 10 to 15 knots increasing to
20 to 25 knots. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 12 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots increasing to 30 knots late in the morning...then
decreasing to 20 to 25 knots with gusts to around 30 knots late
in the afternoon veering to the northwest late in the evening. a
chance of snow in the morning...then snow likely late in the
morning. a chance of snow late in the afternoon. waves 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...northwest winds 20 to 25 knots becoming west 15 to
20 knots until early evening...then becoming southwest 20 to
25 knots in the late evening and early morning. a chance of snow
early in the morning. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.friday...southwest winds 20 to 25 knots. a chance of snow until
early morning. waves 8 to 12 feet. waves occasionally around
15 feet. 


$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
310 am est mon dec 1 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...high pressure, 30.50 inches, expands over the central
great lakes tonight through monday. a strong arctic cold front
arrives midweek bringing a period of stronger preceding southwest
and trailing northwest winds.


lhz462>464-011615-
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-
310 am est mon dec 1 2025

.today...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then
increasing to 10 to 15 knots late in the afternoon. waves 4 to
6 feet subsiding to 1 to 3 feet in the afternoon. waves
occasionally around 8 feet. 
.tonight...southwest winds 10 to 15 knots. a chance of snow.
waves 1 to 3 feet building to 2 to 4 feet in the late evening and
overnight. 
.tuesday...west winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. waves 1 to 3 feet. 
.tuesday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. waves 1 to
3 feet building to 4 to 6 feet in the late evening and overnight.
waves occasionally around 8 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots veering to the west late in the evening. a chance of
snow in the morning...then snow likely. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday...northwest winds 20 to 25 knots becoming west 15 to
20 knots until early evening...then backing to the southwest in
the late evening and early morning. a chance of snow early in the
morning. waves 8 to 12 feet. waves occasionally around 15 feet. 
.friday...southwest winds 20 to 25 knots decreasing to 15 to
20 knots. a chance of snow in the late evening and early morning.
waves 5 to 7 feet. waves occasionally around 10 feet. 


$$