• 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 250202
glflo 
expires:202506250900;;323693

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue jun 24 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 30.2 inch area of high pressure over the ohio valley 
will gradually drift towards the southeast states through wednesday. 
a weak cold front will settle south across the eastern great lakes 
region tonight through wednesday, then stall just south of the lake 
through friday morning. a 29.8 inch low is forecast to move from the 
central great lakes friday to southern quebec saturday.


loz062-250900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt tue jun 24 2025

.overnight...northwest winds 5 to 10 knots becoming west.
waves 2 feet or less. 
.wednesday...west winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.wednesday night...east winds 10 knots or less increasing to
10 to 15 knots. waves 1 foot or less. 
.thursday...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet. 
.thursday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers overnight. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming southwest. showers
likely with a chance of thunderstorms. waves 1 to 2 feet. 
.saturday...west winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 2 feet or less. 
.sunday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 250151
glflh 
expires:202506251000;;323303

open lake forecast for lake huron
national weather service detroit/pontiac mi
951 pm edt tue jun 24 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...the cold front sags south of the state line wednesday 
morning with high pressure, 30.20 inches, filling in over lake 
superior. periods of showers and thunderstorms are expected to 
persist through the end of the week, but outside of this winds and
waves remain below headline criteria.


lhz362-363-251000-
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-
951 pm edt tue jun 24 2025

.rest of tonight...northwest winds 5 to 10 knots. waves 1 to
3 feet. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less. 
.thursday...east winds 10 to 15 knots. a chance of showers in the
morning...then showers likely in the afternoon. waves 1 to
3 feet. 
.thursday night...east winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. showers likely in the
evening...then showers likely and a chance of thunderstorms after
midnight. waves 1 to 3 feet building to 2 to 4 feet in the late
evening and overnight. 
.friday...southeast winds 10 to 15 knots becoming northwest late
in the evening. showers likely. a chance of thunderstorms. waves
2 to 4 feet subsiding to 1 to 3 feet late in the evening. 
.saturday...northwest winds 5 to 10 knots veering to the north
until early evening...then veering to the southeast in the late
evening and early morning. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots backing to the southeast
until early morning. a chance of showers until early morning.
waves 2 feet or less. 


$$
fzus63 kdtx 250151
glflh 
expires:202506251000;;323304

open lake forecast for lake huron
national weather service detroit/pontiac mi
951 pm edt tue jun 24 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...the cold front sags south of the state line wednesday 
morning with high pressure, 30.20 inches, filling in over lake 
superior. periods of showers and thunderstorms are expected to 
persist through the end of the week, but outside of this winds and
waves remain below headline criteria.


lhz462>464-251000-
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-
951 pm edt tue jun 24 2025

.rest of tonight...north winds 5 to 10 knots. waves 2 feet or
less. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots. a chance of showers
after midnight. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots. a chance of showers. waves
2 feet or less. 
.thursday night...east winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. a chance of
showers and thunderstorms in the evening...then showers likely
and a chance of thunderstorms after midnight. waves 1 to 3 feet. 
.friday...south winds 10 to 15 knots becoming southwest 5 to
10 knots late in the afternoon. showers likely and a chance of
thunderstorms...then a chance of showers and thunderstorms late
in the afternoon. waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.sunday...light and variable winds becoming south 5 to 10 knots.
a chance of showers in the late evening and early morning. waves
2 feet or less. 


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