• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
ON- Simcoe & Huron

Human Forecasts
 > Daily Briefing
 > Forecast Blog

Real-Time Data
 > Dynamic Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzus61 kbuf 050902
glflo 
expires:202512051600;;037541

open lake forecast for lake ontario
national weather service buffalo ny
402 am est fri dec 5 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 30.4 inch high centered just east of the lake this 
morning will push farther east and off the coast today. another cold 
front will cross the lake late saturday and saturday night, this 
from a 29.3 inch low near northern james bay. a weak 29.9 inch 
surface low and trough will cross the lake on sunday afternoon and 
evening. another 30.4 inch high will quickly pass across the region 
monday night. a 29.8 inch wave will cross the region on tuesday.


loz062-051600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est fri dec 5 2025

.today...south winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.tonight...southwest winds 15 to 25 knots. a chance of snow
showers late. waves 1 to 3 feet building to 3 to 6 feet. 
.saturday...southwest winds 20 to 25 knots becoming west. snow
likely. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.saturday night...west winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.sunday...northeast winds 5 to 15 knots becoming north 15 to
20 knots. snow. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...north winds 15 to 20 knots becoming southwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots. snow showers during
the day, then snow showers with rain showers likely tuesday
night. waves 3 to 6 feet building to 5 to 8 feet, then subsiding
to 3 to 6 feet. waves occasionally around 10 feet. 

$$
fzus63 kdtx 050854
glflh 
expires:202512051700;;036966

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 am est fri dec 5 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, will build across the
region this evening into tonight. much colder air activates lake
effect snow showers and is favorable for freezing spray through
the late week period. next low, 29.50 inches, will pass through
ontario on friday pulling a cold front through early saturday.


lhz362-363-051700-
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-
354 am est fri dec 5 2025

.today...southwest winds to 30 knots with gusts to 35 knot gales
decreasing to 20 to 25 knots with gusts to around 30 knots in the
afternoon. a chance of snow in the afternoon. waves 10 to
14 feet. waves occasionally around 18 feet. 
.tonight...southwest winds 20 to 25 knots. gusts to 30 knots
until early morning. snow likely in the evening...then a chance
of snow after midnight. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.saturday...west winds 15 to 20 knots. a chance of snow in the
morning. waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots in the late evening and overnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.sunday...west winds 5 to 10 knots becoming northwest 15 to
20 knots late in the morning...then increasing to 20 to 25 knots
late in the afternoon becoming north 15 to 20 knots late in the
evening. snow likely in the morning...then a chance of snow late
in the morning. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...north winds 5 to 10 knots becoming northwest 10 to
15 knots in the late morning and early afternoon...then becoming
southwest 15 to 20 knots early in the evening increasing to
30 knots in the late evening and early morning. a chance of snow
in the late evening and early morning. waves 3 to 5 feet building
to 8 to 12 feet. waves occasionally around 15 feet. 
.tuesday...southwest winds to 30 knots decreasing to 15 to
20 knots. snow likely until afternoon...then a chance of snow
early in the evening. snow likely in the late evening and early
morning. waves 8 to 12 feet subsiding to 4 to 6 feet in the late
evening and early morning. waves occasionally around 15 feet. 


$$
fzus63 kdtx 050854
glflh 
expires:202512051700;;036967

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 am est fri dec 5 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, will build across the
region this evening into tonight. much colder air activates lake
effect snow showers and is favorable for freezing spray through
the late week period. next low, 29.50 inches, will pass through
ontario on friday pulling a cold front through early saturday.


lhz462>464-051700-
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-
354 am est fri dec 5 2025

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


$$
fzus63 kdtx 050247
glflh 
expires:202512051100;;023411

open lake forecast for lake huron
national weather service detroit/pontiac mi
947 pm est thu dec 4 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, will build across the
region this evening into tonight. much colder air activates lake
effect snow showers and is favorable for freezing spray through
the late week period. next low, 29.50 inches, will pass through
ontario on friday pulling a cold front through early saturday.


lhz361-362-051100-
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-
947 pm est thu dec 4 2025

.rest of tonight...south winds 15 to 20 knots becoming southwest
to 30 knots. waves 5 to 7 feet building to 8 to 12 feet early in
the morning. waves occasionally around 15 feet. 
.friday...southwest 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. 
.friday night...southwest winds 15 to 20 knots. snow likely.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.saturday...west winds 15 to 20 knots. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.saturday night...northwest winds 15 to 20 knots becoming north
5 to 10 knots in the late evening and overnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.sunday...northwest winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon...then becoming north 10 to
15 knots late in the evening. a chance of snow. waves 1 to 3 feet
building to 4 to 6 feet. waves occasionally around 8 feet. 
.monday...northwest winds 10 to 15 knots becoming southwest 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
in the late evening and early morning. a chance of snow in the
late evening and early morning. waves 3 to 5 feet building to
8 to 12 feet. waves occasionally around 15 feet. 
.tuesday...southwest winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and early afternoon...then veering
to the west early in the evening decreasing to 10 to 15 knots in
the late evening and early morning. snow likely until afternoon.
waves 8 to 12 feet subsiding to 4 to 6 feet in the late evening
and early morning. waves occasionally around 15 feet. 


$$
fzus63 kdtx 050247
glflh 
expires:202512051100;;023412

open lake forecast for lake huron
national weather service detroit/pontiac mi
947 pm est thu dec 4 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, will build across the
region this evening into tonight. much colder air activates lake
effect snow showers and is favorable for freezing spray through
the late week period. next low, 29.50 inches, will pass through
ontario on friday pulling a cold front through early saturday.


lhz363-462-051100-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
947 pm est thu dec 4 2025

.rest of tonight...southwest winds 15 to 20 knots increasing to
30 knots. waves 3 to 5 feet building to 6 to 9 feet after
midnight. waves occasionally around 12 feet. 
.friday...southwest winds to 30 knots with gusts to 35 knot gales
decreasing to 20 to 25 knots with gusts to around 30 knots in the
afternoon. waves 10 to 14 feet. waves occasionally around
18 feet. 
.friday night...southwest winds 20 to 25 knots with gusts to
around 30 knots increasing to 30 knots in the late evening and
early morning...then decreasing to 20 to 25 knots after midnight.
snow likely. waves 8 to 12 feet. waves occasionally around
15 feet. 
.saturday...west winds 15 to 20 knots. snow likely in the
morning. waves 5 to 7 feet. waves occasionally around 10 feet. 
.saturday night...northwest winds 10 to 15 knots. waves 3 to
5 feet. 
.sunday...northwest winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then increasing to 20 to 25 knots
late in the afternoon decreasing to 15 to 20 knots late in the
evening. a chance of snow. waves 1 to 3 feet building to 5 to
7 feet. waves occasionally around 10 feet. 
.monday...northwest winds 10 to 15 knots becoming southwest 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
with gusts to around 30 knots in the late evening and early
morning. a chance of snow in the late evening and early morning.
waves 4 to 6 feet building to 8 to 12 feet in the late evening
and early morning. waves occasionally around 15 feet. 
.tuesday...southwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots until early morning. a
chance of snow early in the morning...then snow likely in the
late morning and early afternoon. a chance of snow until early
morning. waves 6 to 9 feet. waves occasionally around 12 feet. 


$$
fzus63 kdtx 050247
glflh 
expires:202512051100;;023413

open lake forecast for lake huron
national weather service detroit/pontiac mi
947 pm est thu dec 4 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, will build across the
region this evening into tonight. much colder air activates lake
effect snow showers and is favorable for freezing spray through
the late week period. next low, 29.50 inches, will pass through
ontario on friday pulling a cold front through early saturday.


lhz463-464-051100-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
947 pm est thu dec 4 2025

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


$$
© Copyright 2025 WeatherFlow, Inc · Contact Us ·