fzus61 kbuf 302102
glflo 
expires:202512010400;;784300

open lake forecast for lake ontario
national weather service buffalo ny
402 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 north of lake ontario will 
track towards eastern quebec and the canadian maritimes through 
tonight, causing a cold front to cross the lake. 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.


loz062-010400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est sun nov 30 2025

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

.tonight...southwest gales to 35 knots becoming northwest and
diminishing to 30 knots after midnight. a chance of rain showers
early, then a chance of rain and snow showers late this evening.
a chance of snow showers after midnight. waves 10 to 15 feet
subsiding to 7 to 10 feet. waves occasionally around 19 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. 

$$

fzus63 kdtx 302045
glflh 
expires:202512010445;;783347

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm est sun nov 30 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...a trailing cold front offers a period of northwest
gales over much of lake huron late this afternoon into the early
evening hours. a gale warning is in effect during this time. high
pressure, 30.50 inches, then expands over the central great lakes
tonight through monday.


lhz362-363-462>464-010445-
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-
345 pm est sun nov 30 2025

...gale warning in effect until 10 pm est this evening...

.tonight...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 10 to 15 knots. waves 10 to 14 feet subsiding
to 6 to 9 feet early in the morning. waves occasionally around
18 feet. 
.monday...west winds 5 to 10 knots backing to the southwest late
in the morning...then increasing to 10 to 15 knots in the
afternoon. waves 4 to 6 feet subsiding to 2 to 4 feet in the
afternoon. waves occasionally around 8 feet. 
.monday night...southwest winds 15 to 20 knots. snow likely in
the evening...then a chance of snow after midnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.tuesday...west winds 10 to 15 knots. waves 3 to 5 feet. 
.tuesday night...west winds 10 to 15 knots becoming southwest
20 to 25 knots. waves 2 to 4 feet building to 5 to 7 feet after
midnight. waves occasionally around 10 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots increasing to 30 knots with gusts to 35 knot gales late
in the morning...then becoming west 20 to 25 knots with gusts to
around 30 knots late in the afternoon. snow likely late in the
morning. a chance of snow late in the evening. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday...west winds to 30 knots decreasing to 20 to 25 knots
with gusts to around 30 knots. a chance of snow. waves 8 to
12 feet. waves occasionally around 15 feet. 
.friday...southwest winds 20 to 25 knots with gusts to around
30 knots becoming south 15 to 20 knots in the late evening and
early morning. a chance of snow. waves 8 to 12 feet. waves
occasionally around 15 feet. 


$$