• 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 151947
glflo 
expires:202609160315;;507742

open lake forecast for lake ontario
national weather service buffalo ny
issued by national weather service cleveland oh
347 pm edt tue sep 15 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...
high pressure 30.30 inches continues exiting to the east tonight.
a cold front crosses the lake early wednesday, before stalling
across southern new york through thursday. high pressure 30.20
inches builds into new england friday and through the weekend as
an active frontal boundary establishes to the southwest.


loz062-160315-
lake ontario open waters from the niagara river to hamlin beach-
347 pm edt tue sep 15 2026

.tonight...south winds 5 to 10 knots becoming southwest. a chance
of showers through the early overnight. waves 2 feet or less. 
.wednesday...west winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.wednesday night...northwest winds 10 knots or less becoming
east. waves 1 foot or less. 
.thursday...northeast winds 10 knots or less becoming north. a
chance of showers. waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less. waves 2 feet
or less. 
.friday...north winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.saturday...east winds 10 to 15 knots. a chance of showers during
the day, then showers likely saturday night. waves 2 to 4 feet
building to 3 to 5 feet. 
.sunday...northeast winds 15 to 25 knots. showers likely during
the day, then a chance of showers sunday night. waves 2 to 4 feet
building to 3 to 5 feet. 

$$
fzus63 kdtx 151952
glflh 
expires:202609160400;;507846

open lake forecast for lake huron
national weather service detroit/pontiac mi
352 pm edt tue sep 15 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...low pressure, 29.40 inches, tracks from northern
ontario into hudson bay tonight. it sends a cold front across the
great lakes overnight into early wednesday, with high pressure
then passing across northern ontario during the day wednesday.
the cold front stalls near the southern great lakes into
thursday.


lhz362-363-160400-
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-
352 pm edt tue sep 15 2026

.tonight...south winds 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots late in the evening...
then veering to the west after midnight veering to the west 10 to
15 knots early in the morning. waves 6 to 9 feet subsiding to
2 to 4 feet. waves occasionally around 12 feet. 
.wednesday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.wednesday night...light and variable winds. waves 2 feet or
less. 
.thursday...light and variable winds. waves 2 feet or less. 
.thursday night...north winds 5 to 10 knots becoming northwest
10 to 15 knots in the late evening and overnight. waves 2 feet or
less building to 2 to 4 feet after midnight. 
.friday...north winds 10 to 15 knots becoming northeast 5 to
10 knots late in the morning...then becoming east 10 to 15 knots
late in the evening. a chance of showers late in the evening.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming southeast 15 to
20 knots in the late morning and early afternoon...then becoming
east 10 to 15 knots. a chance of showers early in the morning... 
then showers likely in the late morning and early afternoon. a 
chance of showers. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. waves 3 to 5 feet. 


$$
fzus63 kdtx 151952
glflh 
expires:202609160400;;507847

open lake forecast for lake huron
national weather service detroit/pontiac mi
352 pm edt tue sep 15 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...low pressure, 29.40 inches, tracks from northern
ontario into hudson bay tonight. it sends a cold front across the
great lakes overnight into early wednesday, with high pressure
then passing across northern ontario during the day wednesday.
the cold front stalls near the southern great lakes into
thursday.


lhz462>464-160400-
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-
352 pm edt tue sep 15 2026

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



$$
© Copyright 2026 WeatherFlow, Inc · Contact Us ·