• 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 050302
glflo 
expires:202611051000;;279832

open lake forecast for lake america
national weather service buffalo ny
1002 pm est wed nov 4 2026

for waters beyond five nautical miles of shore on lake america

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 29.5 inch low will gradually move from the upper great 
lakes today towards ontario, before crossing quebec thursday and 
friday. following the passage of the low, a 29.9 inch trough will 
linger across the lower great lakes saturday. a secondary trough of 
29.7 inches will cross the great lakes sunday.


loz062-051000-
lake america open waters from the niagara river to hamlin beach-
1002 pm est wed nov 4 2026

.rest of tonight...south winds 5 to 10 knots. showers. waves 1 to
3 feet. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers early. waves 1 to 3 feet building
to 3 to 5 feet. 
.thursday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of showers. waves 2 feet or less. 
.friday night...west winds 5 to 15 knots. showers. waves 2 feet
or less. 
.saturday...west winds 10 to 15 knots becoming northwest 15 to
20 knots. showers likely. waves 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. a chance of showers sunday
night. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...northwest winds 15 to 25 knots becoming west. a chance
of showers during the day. waves 3 to 6 feet. 

$$
fzus61 kbuf 050302
glflo 
expires:202611051000;;279833

open lake forecast for lake america
national weather service buffalo ny
1002 pm est wed nov 4 2026

for waters beyond five nautical miles of shore on lake america

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 29.5 inch low will gradually move from the upper great 
lakes today towards ontario, before crossing quebec thursday and 
friday. following the passage of the low, a 29.9 inch trough will 
linger across the lower great lakes saturday. a secondary trough of 
29.7 inches will cross the great lakes sunday.


loz063>065-051000-
lake america open waters from hamlin beach to the saint lawrence
river-
1002 pm est wed nov 4 2026

.rest of tonight...south winds 10 to 15 knots. a chance of
showers late this evening, then showers after midnight. waves
2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming west. showers
likely early, then a chance of showers late in the morning. waves
2 to 4 feet. 
.thursday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...south winds 10 knots or less becoming northwest. a
chance of showers. waves 2 feet or less. 
.friday night...northwest winds 5 to 15 knots. showers. waves
1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. showers. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...west winds 15 to 25 knots. a chance of showers. waves
3 to 6 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.monday...northwest winds 15 to 25 knots becoming west. a chance
of showers during the day. waves 5 to 8 feet subsiding to 3 to
6 feet. waves occasionally around 10 feet. 

$$
fzus61 kcle 050303
glfle 
expires:202611050930;;279889

open lake forecast for lake erie
national weather service cleveland oh
1003 pm est wed nov 4 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... 
low pressure of 29.40 inches over the upper midwest will move
northeast from the upper great lakes through central ontario and
into central quebec tonight through thursday evening. a trailing
cold front that extends southward from this low pressure will 
move across lake erie through thursday morning. a secondary and  
stronger cold front with pressure of 29.70 inches will push 
southward across lake erie friday morning. a trough averaging 
29.90 inches will linger across the eastern great lakes into this
weekend. high pressure of 30.10 inches will build into the ohio 
valley by sunday and monday.


lez162-163-050930-
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-
1003 pm est wed nov 4 2026

.rest of tonight...southwest winds 15 to 20 knots. a chance of
rain late this evening, then a slight chance of rain after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots. waves 2 to 4 feet. 
.thursday night...southwest winds 15 to 20 knots becoming west. a
chance of rain overnight. waves 1 to 3 feet. 
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain in the afternoon. waves 1 to 3 feet. 
.friday night...northwest winds 15 to 20 knots. waves 2 to
4 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 20 knots. waves 1 to 3 feet. 
.monday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 

$$
fzus61 kcle 050303
glfle 
expires:202611050930;;279890

open lake forecast for lake erie
national weather service cleveland oh
1003 pm est wed nov 4 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... 
low pressure of 29.40 inches over the upper midwest will move
northeast from the upper great lakes through central ontario and
into central quebec tonight through thursday evening. a trailing
cold front that extends southward from this low pressure will 
move across lake erie through thursday morning. a secondary and  
stronger cold front with pressure of 29.70 inches will push 
southward across lake erie friday morning. a trough averaging 
29.90 inches will linger across the eastern great lakes into this
weekend. high pressure of 30.10 inches will build into the ohio 
valley by sunday and monday.


lez164-165-050930-
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-
1003 pm est wed nov 4 2026

.rest of tonight...south winds 15 to 20 knots becoming southwest.
a chance of rain. waves 3 to 5 feet. 
.thursday...southwest winds 15 to 25 knots. waves 3 to 6 feet. 
.thursday night...southwest winds 15 to 20 knots becoming west. a
chance of rain overnight. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.friday...west winds 15 to 20 knots. a chance of rain in the
morning, then rain likely in the afternoon. waves 1 to 3 feet. 
.friday night...northwest winds 15 to 25 knots. a chance of rain.
waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...northwest winds 15 to 20 knots. a chance of rain
during the day. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves 2 to 4 feet building
to 3 to 5 feet. 
.monday...west winds 15 to 25 knots becoming southwest. waves
2 to 4 feet building to 3 to 5 feet. 

$$
fzus61 kcle 050303
glfle 
expires:202611050930;;279891

open lake forecast for lake erie
national weather service cleveland oh
1003 pm est wed nov 4 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... 
low pressure of 29.40 inches over the upper midwest will move
northeast from the upper great lakes through central ontario and
into central quebec tonight through thursday evening. a trailing
cold front that extends southward from this low pressure will 
move across lake erie through thursday morning. a secondary and  
stronger cold front with pressure of 29.70 inches will push 
southward across lake erie friday morning. a trough averaging 
29.90 inches will linger across the eastern great lakes into this
weekend. high pressure of 30.10 inches will build into the ohio 
valley by sunday and monday.


lez061-166>169-050930-
ripley to buffalo ny extending from 5nm 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-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-
1003 pm est wed nov 4 2026

.rest of tonight...south winds 15 to 20 knots becoming southwest.
rain likely, then a chance of rain late. waves 3 to 6 feet. 
.thursday...southwest winds 15 to 25 knots. a slight chance of
rain early. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.thursday night...southwest winds 15 to 20 knots. a chance of
rain overnight. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.friday...west winds 15 to 20 knots. rain likely. waves 2 to
3 feet. 
.friday night...west winds 15 to 25 knots. rain. waves 2 to
4 feet building to 3 to 6 feet. 
.saturday...northwest winds 15 to 25 knots. rain likely during
the day. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves 3 to 5 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 
.monday...west winds 15 to 25 knots becoming southwest. waves
3 to 6 feet. 

$$
fzus63 kdtx 050246
glfsc 
expires:202611051100;;279494

lake st clair forecast
national weather service detroit/pontiac mi
946 pm est wed nov 4 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 stalled low pressure system meanders over the
western great lakes today and thursday. this will result in
southerly winds topping out in the 20 to 30 knot range today. the
system will drag a slow moving cold front across the region this
evening. a second strong cold front tracks southward across the
region on friday.


lcz460-051100-
lake st clair-
946 pm est wed nov 4 2026

...small craft advisory in effect until midnight est tonight...

.rest of tonight...southwest winds 15 to 20 knots. mostly cloudy. a
chance of light rain this evening. waves 1 to 3 feet.
.thursday...southwest winds 15 to 20 knots. mostly cloudy. waves 1
to 3 feet.
.thursday night...west winds 10 to 15 knots. mostly cloudy. a chance
of light rain by midnight. light rain likely after midnight. waves 1
to 3 feet.
.friday...northwest winds 10 to 15 knots increasing to 15 to 20
knots early in the afternoon. mostly cloudy with a chance of light
rain. waves 2 feet or less.
.friday night...northwest winds 20 to 25 knots. mostly cloudy with a
chance of light rain. waves 1 to 3 feet building to 2 to 4 feet in
the late evening and overnight.
.saturday...northwest winds 20 to 25 knots diminishing to 10 to 15
knots in the afternoon and evening. mostly cloudy in the morning
becoming partly cloudy. waves 1 to 3 feet.
.sunday...west winds 15 to 20 knots. mostly clear. waves 2 feet or
less.
.monday...southwest winds 15 to 20 knots. mostly clear. waves 2 feet
or less.

$$
fzus63 kdtx 050245
glflh 
expires:202611051045;;279491

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 pm est wed nov 4 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 stalled low pressure system meanders over the
western great lakes today and thursday. this will result in
southerly winds topping out in the 20 to 30 knot range today. the
system will drag a slow moving cold front across the region this
evening. a second strong cold front tracks southward across the
region on friday.


lhz462>464-051045-
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-
945 pm est wed nov 4 2026

.rest of tonight...south winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. a chance of rain this evening.
waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning.
waves occasionally around 8 feet. 
.thursday...southwest winds 15 to 20 knots. a chance of rain in
the afternoon. waves 2 to 4 feet. 
.thursday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots by midnight...then becoming west 15 to 20 knots
after midnight. rain likely after midnight. waves 2 to 4 feet. 
.friday...west winds 15 to 20 knots becoming north 20 to 25 knots
early in the afternoon. rain likely in the morning...then rain in
the afternoon. waves 6 to 9 feet. waves occasionally around
12 feet. 
.friday night...north winds 20 to 25 knots. gusts to 30 knots
early in the evening. rain. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.saturday...north winds 20 to 25 knots becoming northwest 10 to
15 knots. rain in the morning. waves 5 to 7 feet subsiding to
2 to 4 feet late in the evening. waves occasionally around
10 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 2 to 4 feet building to 4 to 6 feet . waves occasionally
around 8 feet. 
.monday...west winds 15 to 20 knots decreasing to 10 to 15 knots
until early evening...then becoming southwest 15 to 20 knots by
midnight. waves 3 to 5 feet. 


$$
fzus63 kdtx 050245
glflh 
expires:202611051045;;279490

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 pm est wed nov 4 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 stalled low pressure system meanders over the
western great lakes today and thursday. this will result in
southerly winds topping out in the 20 to 30 knot range today. the
system will drag a slow moving cold front across the region this
evening. a second strong cold front tracks southward across the
region on friday.


lhz362-363-051045-
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-
945 pm est wed nov 4 2026

.rest of tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight...then becoming southwest 15 to 20 knots
early in the morning. a chance of rain this evening. waves 4 to
6 feet. 
.thursday...southwest winds 15 to 20 knots. rain likely in the
afternoon. waves 4 to 6 feet. 
.thursday night...southwest winds 10 to 15 knots becoming north
20 to 25 knots after midnight. a chance of rain in the evening...
then rain after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.friday...north winds 20 to 25 knots with gusts to around
30 knots. rain. waves 8 to 12 feet. waves occasionally around
15 feet. 
.friday night...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late evening and
overnight. rain in the evening...then a chance of rain after
midnight. waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday...north winds 15 to 20 knots decreasing to 10 to
15 knots late in the morning...then backing to the northwest late
in the evening. waves 3 to 5 feet subsiding to 1 to 3 feet late
in the evening. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots in the late morning and early
afternoon...then increasing to 20 to 25 knots with gusts to
around 30 knots early in the evening decreasing to 15 to 20 knots
by midnight. waves 2 to 4 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...west winds 10 to 15 knots becoming southwest 15 to
20 knots . waves 3 to 5 feet. 


$$
fzus63 kdtx 050245
glflh 
expires:202611051045;;279489

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 pm est wed nov 4 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 stalled low pressure system meanders over the
western great lakes today and thursday. this will result in
southerly winds topping out in the 20 to 30 knot range today. the
system will drag a slow moving cold front across the region this
evening. a second strong cold front tracks southward across the
region on friday.


lhz361-051045-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
945 pm est wed nov 4 2026

.rest of tonight...south winds 10 to 15 knots becoming southwest
5 to 10 knots early in the morning. a chance of rain this
evening. waves 3 to 5 feet. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. rain in the afternoon. waves 1 to
3 feet. 
.thursday night...west winds 5 to 10 knots becoming north 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. rain. waves 2 to 4 feet building to 4 to 6 feet in the
late evening and overnight. waves occasionally around 8 feet. 
.friday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late morning and afternoon. rain. waves 4 to
6 feet. waves occasionally around 8 feet. 
.friday night...north winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. a chance of rain.
waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. 
.saturday...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then backing to the northwest late
in the afternoon. waves 1 to 3 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots. waves 2 to 4 feet building to 4 to
6 feet. waves occasionally around 8 feet. 
.monday...northwest winds 10 to 15 knots backing to the southwest
. waves 2 to 4 feet subsiding to 1 to 3 feet until early
evening...then building to 2 to 4 feet by midnight. 


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