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open lake forecast for lake ontario
national weather service buffalo ny
1004 am edt thu mar 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 ridge of high pressure averaging 30.1 inches will 
build into the ohio valley and lower great lakes this afternoon 
and evening before drifting to the eastern seaboard friday. a 29.0
inch low will then move from the upper great lakes friday morning
to the ottawa valley friday night while weakening to 29.4 inches.
this low will continue east to the canadian maritimes saturday as
a 30.3 inch high builds into the lower great lakes. a 30.3 inch 
surface high will ridge across the lake saturday night, and move 
east of the lake sunday. meanwhile, a 29.5 inch surface low over 
the mid mississippi valley sunday morning will track northeastward
and deepen to 28.9 inches just to the west of the lake monday 
morning.


loz062-122100-
lake ontario open waters from the niagara river to hamlin beach-
1004 am edt thu mar 12 2026

...gale watch in effect from friday afternoon through saturday
morning...

.rest of today...west winds to 30 knots diminishing to 15 to
20 knots. scattered snow showers early this afternoon. waves 5 to
9 feet subsiding to 4 to 7 feet. waves occasionally around
11 feet. 
.tonight...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 2 feet. 
.friday...southeast winds 15 to 25 knots becoming southwest to
30 knots. snow showers in the morning, then rain and snow showers
in the afternoon. waves 1 to 3 feet building to 5 to 9 feet.
waves occasionally around 11 feet. 
.friday night...southwest winds to 30 knots becoming west and
increasing to 40 knot gales overnight. rain showers with a chance
of snow showers in the evening, then a chance of snow showers
overnight. waves 7 to 10 feet building to 13 to 18 feet. waves
occasionally around 23 feet. 
.saturday...west gales to 35 knots becoming northeast and
diminishing to 10 to 15 knots. a chance of snow showers saturday
night. waves 12 to 16 feet subsiding to 1 to 3 feet. waves
occasionally around 20 feet. 
.sunday...east winds 15 to 20 knots becoming southeast and
increasing to 30 knots. snow showers with rain showers likely.
waves 3 to 5 feet building to 7 to 11 feet. waves occasionally
around 14 feet. 
.monday...south gales to 35 knots becoming west to 40 knots. rain
showers with a chance of snow showers during the day, then a
chance of snow and rain showers monday night. waves 8 to 11 feet
building to 14 to 19 feet. waves occasionally around 24 feet. 

$$

fzus63 kdtx 121346
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open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt thu mar 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...a brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lhz361-362-122200-
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-
946 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.rest of today...northwest winds 15 to 20 knots with gusts to 25
knots. waves 6 to 9 feet. waves occasionally around 12 feet. 
.tonight...west winds 5 to 10 knots becoming southeast 10 to
15 knots after midnight...then increasing to 20 to 25 knots with
gusts to 35 knot gales early in the morning. snow after midnight.
snow may be heavy at times after midnight. waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight...then building to 6 to
9 feet early in the morning. waves occasionally around 12 feet. 
.friday...southeast at 35 knot gales with gusts to 45 knot gales
decreasing to 20 to 25 knots with gusts to 40 knot gales in the
late morning and early afternoon...then becoming north 15 to
20 knots with gusts to around 30 knots early in the afternoon.
snow in the morning...then snow likely in the afternoon. snow may
be heavy at times in the morning. waves 12 to 16 feet. waves
occasionally around 20 feet. a gale warning may be needed. 
.friday night...west winds to 30 knots veering to the northwest
by midnight...then decreasing to 20 to 25 knots after midnight.
gusts to 35 knot gales. freezing spray after midnight. waves
10 to 14 feet. waves occasionally around 18 feet. 
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the morning...then
becoming west 5 to 10 knots late in the afternoon backing to the
southeast late in the evening. freezing spray in the morning.
waves 8 to 12 feet subsiding to 1 to 3 feet. waves occasionally
around 15 feet. 
.sunday...east winds 15 to 20 knots becoming northeast at 40 knot
gales with gusts to 45 knot gales. snow, rain. freezing rain by
midnight. freezing spray . waves 3 to 5 feet building to 18 to
23 feet. waves occasionally around 28 feet. a gale warning may be
needed. 
.monday...north at 40 knot gales backing to the west . gusts to
45 knot gales. heavy freezing spray. snow and rain early in the
morning. rain likely in the late morning and early afternoon. a
chance of snow. waves 20 to 25 feet. waves occasionally around
32 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 121346
glflh 
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open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt thu mar 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...a brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lhz363-122200-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
946 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.rest of today...northwest winds 15 to 20 knots with gusts to 25
knots becoming west 10 to 20 knots late in the afternoon. waves 6
to 9 feet. waves occasionally around 12 feet. 
.tonight...northwest winds 5 to 10 knots backing to the southwest
late in the evening...then becoming southeast 10 to 15 knots
after midnight increasing to 20 to 25 knots with gusts to 35 knot
gales early in the morning. snow after midnight. snow may be
heavy at times after midnight. waves 3 to 5 feet subsiding to
1 to 3 feet after midnight...then building to 5 to 7 feet early
in the morning. waves occasionally around 10 feet. 
.friday...southeast at 35 knot gales with gusts to 45 knot gales
becoming south to 30 knots with gusts to 40 knot gales in the
late morning and early afternoon...then becoming southwest 20 to
25 knots with gusts to 35 knot gales early in the afternoon. snow
with rain likely in the morning...then rain likely and a chance
of snow in the afternoon. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.friday night...west winds to 30 knots becoming northwest 20 to
25 knots after midnight. gusts to 40 knot gales. freezing spray
after midnight. waves 10 to 14 feet. waves occasionally around
18 feet. 
.saturday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the morning...then becoming northwest 10 to
15 knots late in the afternoon veering to the east late in the
evening. freezing spray in the morning. a chance of snow late in
the evening. waves 8 to 12 feet subsiding to 1 to 3 feet. waves
occasionally around 15 feet. 
.sunday...east winds 15 to 20 knots increasing to 35 knot gales
with gusts to 40 knot gales. snow. rain and freezing rain . waves
3 to 5 feet building to 15 to 20 feet. waves occasionally around
25 feet. a gale warning may be needed. 
.monday...southeast at 35 knot gales veering to the southwest at
40 knot gales until early evening...then veering to the west at
35 knot gales by midnight. rain...snow and freezing rain early in
the morning...then a chance of rain in the late morning and early
afternoon. a chance of snow. heavy freezing spray . waves 15 to
20 feet. waves occasionally around 25 feet. 


$$

fzus63 kdtx 121346
glflh 
expires:202603122200;;544562

open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt thu mar 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...a brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lhz462>464-122200-
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-
946 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.rest of today...northwest winds 15 to 20 knots becoming west. 
waves 5 to 7 feet. waves occasionally around 10 feet. 
.tonight...north winds 5 to 10 knots veering to the southeast
after midnight...then becoming south 15 to 20 knots with gusts to
35 knot gales early in the morning. a chance of snow after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight...then building to 4 to 6 feet early in the morning.
waves occasionally around 8 feet. 
.friday...south at 35 knot gales becoming southwest to 30 knots
in the late morning and afternoon. gusts to 45 knot gales. snow
and rain in the morning...then a chance of rain and snow in the
afternoon. waves 12 to 16 feet subsiding to 8 to 12 feet early in
the afternoon. waves occasionally around 20 feet. 
.friday night...west winds to 30 knots with gusts to 40 knot
gales. waves 10 to 14 feet. waves occasionally around 18 feet. 
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the morning...then
becoming northwest 10 to 15 knots late in the afternoon veering
to the east late in the evening. a chance of snow late in the
evening. waves 8 to 12 feet subsiding to 1 to 3 feet. waves
occasionally around 15 feet. 
.sunday...east winds 15 to 20 knots increasing to 35 knot gales
with gusts to 40 knot gales. a chance of snow early in the
morning...then freezing rain until early evening. rain and snow.
waves 4 to 6 feet building to 12 to 16 feet. waves occasionally
around 20 feet. a gale warning may be needed. 
.monday...south at 35 knot gales veering to the west . gusts to
40 knot gales. rain...snow and freezing rain early in the
morning...then a chance of rain until early evening. a chance of
snow. heavy freezing spray . waves 12 to 16 feet. waves
occasionally around 20 feet. 


$$