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open lake forecast for lake ontario
national weather service buffalo ny
1010 pm edt wed apr 15 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 29.6 inch low will move into the central great lakes 
tonight before reaching southern quebec thursday night, then drift 
off the new england coast by friday night. a 30.0 inch high is then 
forecast to build from the central great lakes friday to the lower 
great lakes saturday morning, then off the east coast saturday 
night. a 29.3 inch surface low to the north of lake superior 
saturday will deepen to 28.9 inches by sunday, with a trailing cold 
front crossing the lake saturday night. a 30.4 inch surface high 
will push from the plains to the upper ohio valley from sunday 
through monday.


loz062-160900-
lake ontario open waters from the niagara river to hamlin beach-
1010 pm edt wed apr 15 2026

.rest of tonight...south winds 10 to 15 knots becoming southwest.
a chance of showers late this evening, then a chance of showers
and thunderstorms after midnight. showers with a chance of
thunderstorms late. waves 1 to 2 feet. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers in the morning, then showers likely
in the afternoon. waves 1 to 3 feet. 
.thursday night...southwest winds 15 to 20 knots becoming west
and diminishing to around 10 knots. showers likely in the
evening, then a chance of showers overnight. waves 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming southeast. a
chance of showers in the morning. waves 2 feet or less. 
.friday night...east winds 10 knots or less. waves 1 foot or
less. 
.saturday...southeast winds 10 to 15 knots becoming west 15 to
20 knots. showers likely. waves 2 feet or less building to 3 to
6 feet. 
.sunday...west winds 15 to 25 knots becoming northwest. a chance
of rain and snow showers during the day, then a chance of rain
showers sunday night. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.monday...northwest winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. waves 4 to 7 feet subsiding to
2 to 3 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
944 pm edt wed apr 15 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...weak area of low pressure, 29.60 inches, tracks into
the great lakes thursday maintaining periods of showers and
thunderstorms. a powerful cold front looks to cross the area on
saturday, with will present strong winds ahead and behind the
front.


lhz361-362-160945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
944 pm edt wed apr 15 2026

.rest of tonight...northeast winds 5 to 10 knots backing to the
north early in the morning. a chance of showers. waves 2 feet or
less. 
.thursday...north winds 5 to 10 knots backing to the northwest
late in the afternoon. a chance of showers. waves 2 feet or less.
.thursday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then increasing to 10 to
15 knots early in the afternoon. waves 1 to 3 feet. 
.friday night...east winds 10 to 15 knots becoming southeast
15 to 20 knots in the late evening and overnight. a chance of
showers after midnight. waves 4 to 6 feet. 
.saturday...south winds 20 to 25 knots veering to the west with
gusts to around 30 knots late in the afternoon. showers likely in
the morning...then a chance of showers late in the morning. waves
8 to 12 feet. waves occasionally around 15 feet. 
.sunday...west winds to 30 knots becoming northwest 20 to
25 knots by midnight. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.monday...northwest winds 20 to 25 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then veering
to the north early in the evening becoming south 15 to 20 knots
by midnight. waves 8 to 12 feet subsiding to 4 to 6 feet . waves
occasionally around 15 feet. 


$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
944 pm edt wed apr 15 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...weak area of low pressure, 29.60 inches, tracks into
the great lakes thursday maintaining periods of showers and
thunderstorms. a powerful cold front looks to cross the area on
saturday, with will present strong winds ahead and behind the
front.


lhz363-462>464-160945-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
944 pm edt wed apr 15 2026

.rest of tonight...northeast winds 5 to 10 knots veering to the
southeast early in the morning. a chance of showers and
thunderstorms this evening...then showers likely and a chance of
thunderstorms after midnight. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots. a chance of showers. waves
1 to 3 feet. 
.thursday night...north winds 5 to 10 knots. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots veering to the east early in
the afternoon. waves 2 feet or less. 
.friday night...east winds 5 to 10 knots becoming southeast 10 to
15 knots by midnight...then becoming south 15 to 20 knots after
midnight. a chance of showers after midnight. waves 1 to 3 feet
building to 3 to 5 feet in the late evening and overnight. 
.saturday...south winds 15 to 20 knots veering to the west late
in the afternoon. a chance of showers. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.sunday...west winds 20 to 25 knots becoming northwest 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
by midnight. waves 8 to 12 feet. waves occasionally around
15 feet. 
.monday...northwest winds 20 to 25 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots early in the evening becoming south
15 to 20 knots by midnight. waves 8 to 12 feet subsiding to 4 to
6 feet . waves occasionally around 15 feet. 


$$