• 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- Lake Ontario

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 301502
glflo 
expires:202601302200;;797638

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est fri jan 30 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...the core of a 30.9 inch high over central canada will 
build southward across the plains states through saturday...before 
weakening to 30.4 inches and settling across the gulf coast states 
on sunday. in the process...the far northeastern portion of this 
ridge will slide across the central and eastern great lakes sunday 
and monday...with a weakening 30.0 inch trough then sliding across 
the lake tuesday.


loz062-302200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est fri jan 30 2026

.this afternoon...northwest winds 15 to 20 knots. lake effect snow
likely. waves 3 to 5 feet. 
.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. lake effect snow likely. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.saturday...north winds 5 to 15 knots becoming northwest. snow
likely in the morning, then a chance of snow showers in the
afternoon. waves 1 to 2 feet. 
.saturday night...north winds 10 to 15 knots. a chance of snow
showers in the evening. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. 
.tuesday...west winds 10 to 15 knots becoming north. waves 1 to
3 feet. 

$$
fzus61 kbuf 301502
glflo 
expires:202601302200;;797639

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est fri jan 30 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...the core of a 30.9 inch high over central canada will 
build southward across the plains states through saturday...before 
weakening to 30.4 inches and settling across the gulf coast states 
on sunday. in the process...the far northeastern portion of this 
ridge will slide across the central and eastern great lakes sunday 
and monday...with a weakening 30.0 inch trough then sliding across 
the lake tuesday.


loz063>065-302200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est fri jan 30 2026

.this afternoon...northwest winds 15 to 20 knots. lake effect
snow. waves 3 to 6 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 5 to
15 knots. lake effect snow. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.saturday...north winds 5 to 10 knots becoming northwest. lake
effect snow in the morning, then a chance of snow showers in the
afternoon. waves 2 feet or less. 
.saturday night...north winds 5 to 15 knots. a chance of snow
showers in the evening. waves 2 feet or less. 
.sunday...north winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 
.monday...northwest winds 15 to 20 knots becoming west. waves
2 to 4 feet building to 3 to 5 feet. 
.tuesday...west winds 5 to 15 knots becoming north. waves 2 to
4 feet subsiding to 1 to 3 feet. 

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