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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat nov 29 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 30.5 inch surface high will build from the ohio valley 
and lower great lakes to the mid-atlantic today. a surface low will 
cut northeastward through the central great lakes sunday, slowly 
deepening from 29.6 inches sunday morning to 29.4 inches sunday 
night over western quebec. a cold front from this low will cross the 
lake late sunday night. 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 29.7 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.


loz062-292200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est sat nov 29 2025

...gale watch in effect from sunday morning through monday
morning...

.this afternoon...west winds 5 to 15 knots becoming southwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...south winds 5 to 15 knots becoming southeast and
increasing to 15 to 25 knots. a chance of snow showers late in
the evening. snow showers after midnight. waves 1 to 3 feet
building to 3 to 5 feet. 
.sunday...south winds to 30 knots becoming southwest and
increasing to 35 knot gales in the afternoon. rain and snow
showers in the morning, then rain showers in the afternoon. waves
3 to 6 feet building to 9 to 12 feet. waves occasionally around
15 feet. 
.sunday night...west gales to 35 knots becoming northwest and
diminishing to 30 knots overnight. rain showers likely with a
chance of snow showers in the evening, then a chance of snow
showers overnight. waves 8 to 12 feet. waves occasionally around
15 feet. 
.monday...northwest winds 15 to 25 knots becoming south and
diminishing to 5 to 10 knots. snow showers likely monday night.
waves 5 to 8 feet subsiding to 1 to 3 feet. waves occasionally
around 10 feet. 
.tuesday...southwest winds 5 to 15 knots becoming northwest. snow
showers likely during the day, then a chance of snow showers
tuesday night. waves 1 to 2 feet. 
.wednesday...west winds 15 to 20 knots increasing to 30 knots.
snow showers likely wednesday night. waves 2 to 4 feet building
to 5 to 9 feet. waves occasionally around 11 feet. 

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am est sat nov 29 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...low pressure, depeening to 29.60 inches, will lift
northeast out of the central plains today and track through
central lake huron tomorrow afternoon. a period of northwest
gales behind the low is expected over much of lake huron late in
the afternoon and early evening hours.


lhz362-363-462>464-292300-
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-
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-
958 am est sat nov 29 2025

...gale warning in effect from sunday afternoon through sunday
evening...

.rest of today...west winds 5 to 10 knots backing to the south in
the afternoon. a chance of snow in the afternoon. waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon. 
.tonight...southeast winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. a chance of snow in the
evening...then snow after midnight. snow may be heavy at times in
the evening. waves 2 to 4 feet building to 6 to 9 feet in the
late evening and overnight. waves occasionally around 12 feet. 
.sunday...east winds 15 to 20 knots backing to the northeast in
the late morning and early afternoon...then becoming west to
30 knots with gusts to 35 knot gales in the afternoon. rain and 
snow in the morning...then snow and rain in the afternoon. waves 8
to 12 feet. waves occasionally around 15 feet. 
.sunday night...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots. a chance of snow. waves 10 to
14 feet. waves occasionally around 18 feet. 
.monday...west winds 10 to 15 knots becoming southwest 15 to
20 knots late in the afternoon. a chance of snow late in the
afternoon. waves 6 to 9 feet subsiding to 4 to 6 feet. waves
occasionally around 12 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet early in the
evening...then building to 3 to 5 feet in the late evening and
early morning. 
.wednesday...southwest winds 15 to 20 knots becoming west to
30 knots. a chance of snow in the late morning and early
afternoon. snow likely until early morning. waves 6 to 9 feet
building to 10 to 14 feet until early morning. waves occasionally
around 18 feet. 


$$