• 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

fzus53 kapx 041356
nshapx
expires:202605042200;;001369

nearshore marine forecast
national weather service gaylord mi
956 am edt mon may 4 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

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.


lhz349-042200-
sturgeon pt to alabaster mi-
956 am edt mon may 4 2026

...small craft advisory in effect until 7 pm edt this evening...

.today...southwest wind 10 to 20 knots with gusts to 25 knots. 
mostly sunny. waves 3 to 5 feet. 
.tonight...northwest wind 15 to 20 knots. chance of showers and
slight chance of thunderstorms. waves 2 to 4 feet. 
.tuesday...southwest wind 5 to 10 knots. partly sunny. waves
2 feet or less. 
.tuesday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 041356
nshapx
expires:202605042200;;001368

nearshore marine forecast
national weather service gaylord mi
956 am edt mon may 4 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

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.


lhz348-042200-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
956 am edt mon may 4 2026

...small craft advisory in effect until 7 pm edt this evening...

.today...southwest wind 10 to 20 knots with gusts to 25 knots. 
slight chance of showers in the afternoon. waves 2 to 4 feet 
building to 3 to 5 feet in the afternoon. 
.tonight...northwest wind 10 to 15 knots. chance of showers.
waves 2 to 4 feet. 
.tuesday...northwest wind 10 to 15 knots. partly sunny. waves
2 to 3 feet. 
.tuesday night...northwest wind 5 to 10 knots. partly cloudy.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 041356
nshapx
expires:202605042200;;001367

nearshore marine forecast
national weather service gaylord mi
956 am edt mon may 4 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

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.


lhz347-042200-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
956 am edt mon may 4 2026

...small craft advisory in effect until 7 pm edt this evening...

.today...southwest wind 10 to 20 knots becoming west early in the
evening. occasional gusts up to 35 knots possible this afternoon.
chance of showers and slight chance of thunderstorms in the 
afternoon. waves 2 to 3 feet building to 2 to 4 feet in the 
afternoon. 
.tonight...northwest wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 
.tuesday...west wind 10 to 15 knots. mostly sunny. waves 2 to
3 feet. 
.tuesday night...northwest wind 5 to 10 knots. partly cloudy.
waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$
fzus51 kbuf 041403
nshbuf
expires:202605042100;;001653

nearshore marine forecast
national weather service buffalo ny
1003 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lez040-041-042100-
buffalo to ripley along lake erie-
1003 am edt mon may 4 2026

.rest of today...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. sunny. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. a chance of showers in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots becoming northeast.
showers with a chance of thunderstorms in the evening, then rain
overnight. waves 1 to 3 feet subsiding to 1 foot or less. 
.wednesday...northeast winds 5 to 15 knots becoming northwest
less than 10 knots. rain during the day. waves 2 feet or less. 
.thursday...north winds 10 knots or less becoming west. a chance
of rain showers. waves 1 foot or less. 
.friday...west winds 5 to 15 knots becoming southwest. partly to
mostly cloudy. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 041403
nshbuf
expires:202605042100;;001654

nearshore marine forecast
national weather service buffalo ny
1003 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


loz042-042100-
niagara river to hamlin beach along lake ontario-
1003 am edt mon may 4 2026

.rest of today...southwest winds 15 to 20 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots. a chance of showers.
waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers in the morning, then showers likely
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots becoming north. showers
in the evening, then rain overnight. waves 1 to 3 feet subsiding
to 1 foot or less. 
.wednesday...northeast winds 5 to 10 knots becoming northwest.
rain during the day. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots becoming west. mostly
cloudy. waves 2 feet or less. 
.friday...west winds 5 to 15 knots becoming southwest. partly to
mostly cloudy. waves 2 feet or less. 

$$
fzus51 kbuf 041403
nshbuf
expires:202605042100;;001651

nearshore marine forecast
national weather service buffalo ny
1003 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lez020-042100-
upper niagara river and buffalo harbor-
1003 am edt mon may 4 2026

.rest of today...southwest winds 15 to 20 knots. sunny.
.tonight...southwest winds 10 to 15 knots. a chance of showers. 
.tuesday...southwest winds 10 to 15 knots becoming west. a chance
of showers in the morning, then showers in the afternoon. 
.tuesday night...west winds 10 knots or less becoming northeast.
showers in the evening, then rain overnight. 
.wednesday...northeast winds 5 to 10 knots becoming light and
variable. rain during the day. 
.thursday...north winds less than 10 knots becoming west. mostly
cloudy. 
.friday...west winds 10 knots or less becoming southwest. partly
to mostly cloudy. 

the water temperature off buffalo is 47 degrees.

$$
fzus51 kbuf 041403
nshbuf
expires:202605042100;;001655

nearshore marine forecast
national weather service buffalo ny
1003 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


loz043-044-042100-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
1003 am edt mon may 4 2026

.rest of today...southwest winds 10 to 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers overnight. waves 2 feet or less. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots becoming north. showers
with a chance of thunderstorms in the evening, then rain
overnight. waves 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots becoming west. rain during
the day, then a chance of showers wednesday night. waves 2 feet
or less. 
.thursday...west winds 5 to 15 knots. mostly cloudy. waves 1 to
3 feet. 
.friday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. partly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature off rochester is 43 degrees.

$$
fzus51 kcle 041318
nshcle
expires:202605042015;;000523

nearshore marine forecast
national weather service cleveland oh
918 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lez142>146-042015-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-vermilion to avon point oh-
avon point to willowick oh-
918 am edt mon may 4 2026

.this afternoon...southwest winds 15 to 20 knots. a slight chance
of showers and thunderstorms late. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots. showers likely with a
chance of thunderstorms in the evening, then a chance of showers
with a slight chance of thunderstorms overnight. waves 1 to
3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet. 
.tuesday night...north winds 5 to 15 knots. showers. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for wednesday through friday.

the water temperature off toledo is 56 degrees, off cleveland 51
degrees, and off erie 49 degrees.

$$
fzus51 kcle 041318
nshcle
expires:202605042015;;000524

nearshore marine forecast
national weather service cleveland oh
918 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lez147>149-042015-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-conneaut oh to ripley ny-
918 am edt mon may 4 2026

.this afternoon...southwest winds 10 to 15 knots. sunny. waves
1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely with a chance of thunderstorms in the
evening, then showers likely with a slight chance of
thunderstorms overnight. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday night...north winds 5 to 10 knots. showers. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for wednesday through friday.

the water temperature off toledo is 56 degrees, off cleveland 51
degrees, and off erie 49 degrees.

$$
fzus53 kdtx 041337
nshdtx
expires:202605042145;;000827

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
937 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lhz443-042145-
port sanilac to port huron mi-
937 am edt mon may 4 2026

.rest of today...south winds 10 to 15 knots becoming southwest
15 to 20 knots in the afternoon. mostly sunny. waves 1 to 3 feet.
.tonight...southwest winds 15 to 20 knots veering to the west
after midnight. mostly clear until early morning becoming mostly
cloudy. a chance of showers and a slight chance of thunderstorms
in the late evening and early morning. a slight chance of showers
and thunderstorms after midnight. waves 1 to 3 feet. 
.tuesday...north winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and early afternoon, then backing to
the west early in the afternoon. mostly cloudy. a slight chance
of showers until late afternoon, then a chance of showers early
in the afternoon. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north in the late evening and early morning, then increasing to
10 to 15 knots after midnight. mostly cloudy. a chance of showers
until early morning. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 041337
nshdtx
expires:202605042145;;000826

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
937 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lhz442-042145-
harbor beach to port sanilac mi-
937 am edt mon may 4 2026

.rest of today...south winds 10 to 15 knots becoming southwest
15 to 20 knots in the afternoon. mostly sunny. waves 1 to 3 feet.
.tonight...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. partly cloudy until early morning
becoming mostly cloudy. a chance of showers and a slight chance
of thunderstorms in the late evening and early morning. a chance
of showers after midnight. waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots backing to the southwest
early in the afternoon. mostly cloudy. a slight chance of showers
until late afternoon, then a chance of showers early in the
afternoon. waves 2 feet or less. 
.tuesday night...south winds 5 to 10 knots backing to the
northeast in the late evening and overnight. mostly cloudy. waves
2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 041337
nshdtx
expires:202605042145;;000825

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
937 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lhz441-042145-
port austin to harbor beach mi-
937 am edt mon may 4 2026

.rest of today...southwest winds 15 to 20 knots. mostly sunny.
waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and early morning, then veering to
the north after midnight. partly cloudy until early morning
becoming mostly cloudy. a slight chance of showers early in the
evening, then a slight chance of thunderstorms in the late
evening and early morning. a chance of showers in the late
evening and overnight. waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and overnight. 
.tuesday...north winds 5 to 10 knots backing to the south early
in the afternoon. mostly cloudy until late afternoon becoming
partly cloudy. a slight chance of. waves 2 feet or less. 
.tuesday night...east winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and overnight. mostly cloudy.
waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 041337
nshdtx
expires:202605042145;;000823

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
937 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lhz422-042145-
inner saginaw bay sw of point au gres to bay port mi-
937 am edt mon may 4 2026

...small craft advisory in effect through this evening...

.rest of today...southwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to 30 knots in the afternoon. mostly
sunny. waves 2 to 4 feet building to 3 to 5 feet in the
afternoon. waves occasionally around 7 feet. 
.tonight...southwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the late evening and early
morning, then becoming north 10 to 15 knots after midnight.
partly cloudy until early morning becoming mostly cloudy. a
slight chance of showers early in the evening, then a chance of
showers and a slight chance of thunderstorms in the late evening
and early morning. a slight chance of showers after midnight.
waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. waves
occasionally around 7 feet. 
.tuesday...north winds 10 to 15 knots backing to the west in the
late morning and afternoon. mostly cloudy until late afternoon
becoming partly cloudy. a slight chance of showers early in the
morning. waves 1 to 3 feet. 
.tuesday night...northwest winds 10 to 15 knots veering to the
northeast in the late evening and early morning, then diminishing
to 5 to 10 knots after midnight. partly cloudy becoming mostly
cloudy in the late evening and early morning becoming partly
cloudy. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 041337
nshdtx
expires:202605042145;;000824

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
937 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lhz421-042145-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
937 am edt mon may 4 2026

...small craft advisory in effect through this evening...

.rest of today...southwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to 30 knots in the afternoon. mostly
sunny. waves 2 to 4 feet building to 3 to 5 feet in the
afternoon. waves occasionally around 7 feet. 
.tonight...southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots in the late evening and early
morning, then becoming northeast 10 to 15 knots after midnight.
partly cloudy until early morning becoming mostly cloudy. a
chance of showers and a slight chance of thunderstorms. waves
3 to 5 feet subsiding to 1 to 3 feet after midnight. waves
occasionally around 7 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and afternoon. mostly cloudy until
late afternoon becoming partly cloudy. a slight chance of. waves
1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots. mostly cloudy
early in the evening becoming partly cloudy. waves 2 feet or
less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 041337
nshdtx
expires:202605042145;;000828

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
937 am edt mon may 4 2026

for waters within five nautical miles of shore

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.


lez444-042145-
michigan waters of lake erie from detroit river to north cape mi-
937 am edt mon may 4 2026

.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots late in the afternoon. sunny. a slight chance of
showers and thunderstorms in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots. partly cloudy until
early morning becoming mostly cloudy. a chance of showers and
thunderstorms until early morning, then a chance of showers after
midnight. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. mostly cloudy. a
chance of showers until late afternoon, then showers likely early
in the afternoon. waves 2 feet or less. 
.tuesday night...northwest winds 5 to 10 knots. cloudy. rain
showers likely until early morning, then a chance of showers
after midnight. waves 2 feet or less. 

see lake erie open lake forecast for days 3 through 5.

the water temperature at belle isle is 51 degrees.

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