• 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- Ontario

Real-Time Data
 > Dynamic Map
 > Wind Obs Map
 > Radar + Satellite Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map

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 021402
glflo 
expires:202605022100;;893694

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat may 2 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...a 29.7 inch low across quebec will retrograde 
northwestward to james bay today. at the same time another 29.7 inch 
low will deepen to 29.2 inches as it tracks from the southeastern 
states to atlantic canada through sunday, while a 30.2 inch high 
ridges across the lower great lakes, then western new england. a 
29.1 inch low over western ontario province monday will then weaken 
to 29.3 inches as it moves to northern quebec through tuesday, with 
its trailing cold front slowly crossing the lake tuesday. the cold 
front will stall just east of the lake on wednesday into thursday 
with a couple waves of low pressure track north along the front near 
or just east of the lake.


loz062-022100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sat may 2 2026

.this afternoon...west winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 2 feet building to 2 to 4 feet. 
.sunday night...southwest winds 15 to 25 knots. a chance of
showers. waves 3 to 6 feet. 
.monday...southwest winds 15 to 20 knots. a chance of showers.
waves 3 to 6 feet. 
.tuesday...southwest winds 15 to 20 knots becoming north 5 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 1 to
2 feet. 
.wednesday...northwest winds 5 to 10 knots. showers likely during
the day, then a chance of showers wednesday night. waves 1 foot
or less. 

$$
fzus61 kbuf 021402
glflo 
expires:202605022100;;893695

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat may 2 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...a 29.7 inch low across quebec will retrograde 
northwestward to james bay today. at the same time another 29.7 inch 
low will deepen to 29.2 inches as it tracks from the southeastern 
states to atlantic canada through sunday, while a 30.2 inch high 
ridges across the lower great lakes, then western new england. a 
29.1 inch low over western ontario province monday will then weaken 
to 29.3 inches as it moves to northern quebec through tuesday, with 
its trailing cold front slowly crossing the lake tuesday. the cold 
front will stall just east of the lake on wednesday into thursday 
with a couple waves of low pressure track north along the front near 
or just east of the lake.


loz063>065-022100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sat may 2 2026

.this afternoon...west winds 10 to 15 knots. waves 2 to 4 feet. 
.tonight...west winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...west winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.sunday night...southwest winds 15 to 20 knots. a chance of
showers. waves 1 to 3 feet building to 3 to 6 feet. 
.monday...southwest winds 15 to 20 knots becoming south. a chance
of showers. waves 3 to 6 feet subsiding to 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming north 5 to
15 knots. showers likely with a chance of thunderstorms. waves
3 to 5 feet subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 10 knots becoming west. showers
likely. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 021343
glfle 
expires:202605022015;;893183

open lake forecast for lake erie
national weather service cleveland oh
943 am edt sat may 2 2026

for waters beyond five nautical miles of shore on lake erie

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 30.10 inches will build across the region this
weekend. low pressure 29.20 inches will move east through the
upper great lakes on monday and extend a cold front across the
area late tuesday. a trough averaging 29.90 inches will linger 
behind the front wednesday into thursday.


lez164>167-022015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
943 am edt sat may 2 2026

.rest of today...north winds 5 to 10 knots becoming west. a
slight chance of rain late this morning. waves 2 feet or less. 
.tonight...west winds 5 to 10 knots. waves 1 foot or less. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 15 to 20 knots. waves 2 to 3 feet
building to 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers monday night. waves 3 to 5 feet
building to 3 to 6 feet. 
.tuesday...southwest winds 15 to 20 knots becoming north 10 to
15 knots. showers likely with a chance of thunderstorms during
the day, then showers tuesday night. waves 3 to 6 feet subsiding
to 2 to 4 feet. 
.wednesday...northeast winds 5 to 15 knots. showers likely during
the day, then a chance of showers wednesday night. waves 2 to
4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 021343
glfle 
expires:202605022015;;893184

open lake forecast for lake erie
national weather service cleveland oh
943 am edt sat may 2 2026

for waters beyond five nautical miles of shore on lake erie

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 30.10 inches will build across the region this
weekend. low pressure 29.20 inches will move east through the
upper great lakes on monday and extend a cold front across the
area late tuesday. a trough averaging 29.90 inches will linger 
behind the front wednesday into thursday.


lez061-168-169-022015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
943 am edt sat may 2 2026

.rest of today...northwest winds 5 to 10 knots becoming west.
waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots. waves 1 to 3 feet subsiding
to 1 foot or less. 
.sunday...southwest winds 5 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. waves 2 to 4 feet building to 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers monday night. waves 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northeast 5 to
15 knots. showers likely with a chance of thunderstorms during
the day, then showers tuesday night. waves 3 to 5 feet subsiding
to 1 to 3 feet. 
.wednesday...northeast winds 5 to 15 knots becoming north.
showers likely during the day, then a chance of showers wednesday
night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 021343
glfle 
expires:202605022015;;893182

open lake forecast for lake erie
national weather service cleveland oh
943 am edt sat may 2 2026

for waters beyond five nautical miles of shore on lake erie

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 30.10 inches will build across the region this
weekend. low pressure 29.20 inches will move east through the
upper great lakes on monday and extend a cold front across the
area late tuesday. a trough averaging 29.90 inches will linger 
behind the front wednesday into thursday.


lez162-163-022015-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
943 am edt sat may 2 2026

.rest of today...north winds 5 to 10 knots becoming northwest.
waves 1 foot or less. 
.tonight...northwest winds 5 to 10 knots becoming west. waves
1 foot or less. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 15 to 20 knots. waves 1 to
3 feet. 
.monday...southwest winds 15 to 20 knots. a chance of showers
monday night. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming north. showers
likely during the day, then showers tuesday night. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.wednesday...north winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 

$$
fzus63 kdtx 021335
glflh 
expires:202605022145;;892907

open lake forecast for lake huron
national weather service detroit/pontiac mi
935 am edt sat may 2 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...a slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters sunday, backing winds from
northwest to southwest.


lhz361-022145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
935 am edt sat may 2 2026

.rest of today...west winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. waves 1 to 3 feet. 
.tonight...west winds 10 to 15 knots becoming southwest 5 to
10 knots by midnight...then backing to the south early in the
morning. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. a chance of showers. waves
1 to 3 feet. 
.sunday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
late in the morning...then becoming southwest 10 to 15 knots late
in the evening. a chance of showers. waves 1 to 3 feet building
to 3 to 5 feet. 
.tuesday...west winds 10 to 15 knots veering to the northwest by
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet by midnight.
.wednesday...west winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots . waves 1 to 3 feet. 


$$
fzus63 kdtx 021335
glfsc 
expires:202605022145;;892911

lake st clair forecast
national weather service detroit/pontiac mi
935 am edt sat may 2 2026

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 slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters sunday, backing winds from
northwest to southwest.


lcz460-022145-
lake st clair-
935 am edt sat may 2 2026

.rest of today...northwest winds 5 to 10 knots. partly sunny. waves
2 feet or less.
.tonight...north winds 5 to 10 knots backing to the west in the late
evening and overnight. partly cloudy. waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the late morning and afternoon. partly sunny. waves 1 to 3
feet.
.sunday night...southwest winds 15 to 20 knots. mostly cloudy early
in the evening becoming partly cloudy. waves 1 to 3 feet.
.monday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon and evening. mostly sunny...then partly
cloudy with a chance of light showers in the evening. waves 1 to 3
feet.
.tuesday...north winds 15 to 20 knots. mostly cloudy. showers
likely. waves 1 to 3 feet.
.wednesday...northeast winds 15 to 20 knots. mostly cloudy with
showers likely. waves 2 feet or less.

$$
fzus63 kdtx 021335
glflh 
expires:202605022145;;892908

open lake forecast for lake huron
national weather service detroit/pontiac mi
935 am edt sat may 2 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...a slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters sunday, backing winds from
northwest to southwest.


lhz362-363-022145-
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-
935 am edt sat may 2 2026

.rest of today...northwest winds 5 to 10 knots backing to the
southeast late in the afternoon. waves 1 to 3 feet. 
.tonight...southeast winds 5 to 10 knots veering to the southwest
after midnight. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the afternoon. a chance of showers in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet early in the
afternoon. waves occasionally around 8 feet. 
.sunday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. a chance of
showers. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. a chance of showers late in the afternoon.
waves 1 to 3 feet building to 4 to 6 feet. waves occasionally
around 8 feet. 
.tuesday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then veering to the
north . a chance of showers . waves 2 to 4 feet. 
.wednesday...north winds 10 to 15 knots becoming northwest 5 to
10 knots until early evening...then veering to the east by
midnight. waves 1 to 3 feet. 


$$
fzus63 kdtx 021335
glflh 
expires:202605022145;;892909

open lake forecast for lake huron
national weather service detroit/pontiac mi
935 am edt sat may 2 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...a slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters sunday, backing winds from
northwest to southwest.


lhz462>464-022145-
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-
935 am edt sat may 2 2026

.rest of today...north winds 5 to 10 knots in the late morning
and early afternoon becoming light and variable. waves 1 to
3 feet. 
.tonight...light and variable winds becoming south 5 to 10 knots
by midnight...then veering to the southwest early in the morning.
waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.sunday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. a chance of showers. waves 3 to
5 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
late in the evening. a chance of showers late in the afternoon.
waves 2 to 4 feet building to 3 to 5 feet. 
.tuesday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then veering to the
northeast early in the evening increasing to 10 to 15 knots by
midnight. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet until early evening...then building to 2 to 4 feet by
midnight. 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots. a chance of showers until afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet. 


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