• 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 ·
WI - MN / IA

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 kdlh 301425
nshdlh
expires:202605302200;;897155

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz148-302200-
oak point to saxon harbor wi-
925 am cdt sat may 30 2026

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

.rest of today...northeast wind 10 to 15 knots. gusts up to
35 knots. mostly sunny. waves 4 to 6 feet. waves occasionally to
7 feet. 
.tonight...northeast wind 10 to 15 knots with gales to around
35 knots becoming northwest 5 to 10 knots late in the evening,
then becoming southwest after midnight becoming north early in
the morning. partly cloudy. waves 4 to 6 feet subsiding to 1 to
2 feet. waves occasionally to 8 feet. a gale warning may be
needed. 
.sunday...southeast wind 5 knots becoming northeast in the late
morning and afternoon. sunny. waves 1 to 2 feet. 
.sunday night...northeast wind 5 knots early in the evening
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897154

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz121-302200-
chequamegon bay-bayfield to oak point wi-
925 am cdt sat may 30 2026

.rest of today...northeast wind 10 to 15 knots easing to 10 knots
late. gusts up to 20 knots in the afternoon. mostly sunny. waves
1 to 2 feet. 
.tonight...north wind 5 to 10 knots with gusts to around 20 knots
in the evening becoming variable 10 knots or less. partly cloudy.
waves 1 to 2 feet. 
.sunday...variable winds 10 knots or less becoming east 5 to
10 knots in the late morning and afternoon. mostly sunny. waves
1 foot or less. 
.sunday night...northeast wind 5 knots early in the evening
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897145

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz140-302200-
grand portage to grand marais mn-
925 am cdt sat may 30 2026

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

.rest of today...northeast wind 15 to 20 knots with gusts to
around 25 knots. sunny. waves 3 to 5 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. 
.sunday...northeast wind 5 knots becoming south in the afternoon.
sunny. waves 1 foot or less. 
.sunday night...southwest wind 5 knots becoming northeast after
midnight. partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897146

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz141-302200-
grand marais to taconite harbor mn-
925 am cdt sat may 30 2026

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

.rest of today...east wind 15 to 20 knots with gusts to around
30 knots. mostly sunny. waves 3 to 5 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots with gusts to around 20 knots
after midnight. partly cloudy. waves 3 to 5 feet subsiding to
1 to 2 feet early in the morning. 
.sunday...northeast wind 5 knots early in the morning becoming
east, then becoming southeast early in the afternoon becoming
variable 10 knots or less. sunny. waves 1 to 2 feet. 
.sunday night...variable winds 10 knots or less becoming
northeast 5 knots early in the morning. partly cloudy. waves
1 foot or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897147

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz142-302200-
taconite harbor to silver bay harbor mn-
925 am cdt sat may 30 2026

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

.rest of today...northeast wind 10 to 15 knots with gusts to
around 25 knots. mostly sunny. waves 3 to 5 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
25 knots easing to 5 knots early in the morning. partly cloudy.
waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. 
.sunday...variable winds 10 knots or less. mostly sunny. waves
1 to 2 feet. 
.sunday night...variable winds 10 knots or less. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897148

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz143-302200-
silver bay harbor to two harbors mn-
925 am cdt sat may 30 2026

...gale warning in effect until 7 pm cdt this evening...

.rest of today...northeast wind 15 to 20 knots with gusts to
around 30 knots. mostly sunny. waves 3 to 5 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots with gusts to around 20 knots
after midnight. partly cloudy. waves 3 to 5 feet subsiding to
1 to 3 feet early in the morning. a small craft advisory may be
needed. 
.sunday...northeast wind 5 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...north wind 5 knots until early morning becoming
variable 10 knots or less. partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897149

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz144-302200-
two harbors to duluth mn-
925 am cdt sat may 30 2026

...gale warning in effect until 7 pm cdt this evening...

.rest of today...northeast wind 20 to 25 knots with gusts to
around 30 knots. partly sunny. waves 4 to 6 feet. waves
occasionally to 7 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots with gusts to around 20 knots
after midnight. partly cloudy. waves 4 to 6 feet subsiding to
1 to 3 feet early in the morning. waves occasionally to 7 feet. a
small craft advisory may be needed. 
.sunday...east wind 5 to 10 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...northeast wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897150

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz145-302200-
duluth mn to port wing wi-
925 am cdt sat may 30 2026

...gale warning in effect until 7 pm cdt this evening...

.rest of today...northeast wind 15 to 20 knots. gusts up to
25 knots increasing to 30 knots in the afternoon. partly sunny.
waves 4 to 6 feet. waves occasionally to 7 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
30 knots easing to 5 knots early in the morning. partly cloudy.
waves 4 to 6 feet subsiding to 1 to 3 feet. waves occasionally to
7 feet. a small craft advisory may be needed. 
.sunday...northeast wind 5 to 10 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...northeast wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897151

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz146-302200-
port wing to sand island wi-
925 am cdt sat may 30 2026

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

.rest of today...northeast wind 15 to 20 knots with gusts to
around 25 knots. mostly sunny. waves 3 to 5 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
25 knots easing to 5 knots early in the morning. partly cloudy.
waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. 
.sunday...northeast wind 5 to 10 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...northeast wind 5 knots until early morning
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 

$$
fzus53 kdlh 301425
nshdlh
expires:202605302200;;897152

nearshore marine forecast
national weather service duluth mn
925 am cdt sat may 30 2026

for waters within five nautical miles of shore on lake 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.


lsz147-302200-
sand island to bayfield wi-
925 am cdt sat may 30 2026

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

.rest of today...northeast wind 10 to 15 knots. gusts up to
20 knots increasing to 25 knots in the afternoon. mostly sunny.
waves 3 to 5 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
25 knots becoming variable 10 knots or less. partly cloudy. waves
3 to 5 feet subsiding to 1 to 2 feet early in the morning. 
.sunday...variable winds 10 knots or less becoming northeast
5 knots in the afternoon. mostly sunny. waves 1 to 2 feet. 
.sunday night...variable winds 10 knots or less. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kmqt 301501
nshmqt
expires:202605302000;;898156

nearshore marine forecast
national weather service marquette mi
1101 am edt sat may 30 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.


lsz242-243-302000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1101 am edt sat may 30 2026

.rest of today...east wind 10 to 15 knots. sunny. waves 1 to
2 feet building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots veering south less than
10 knots late. clear. waves 1 to 2 feet. 
.sunday...variable wind less than 10 knots becoming north less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 
.sunday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 

$$
fzus53 kmqt 301501
nshmqt
expires:202605302000;;898155

nearshore marine forecast
national weather service marquette mi
1101 am edt sat may 30 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.


lsz240-241-302000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1101 am edt sat may 30 2026 /1001 am cdt sat may 30 2026/

.rest of today...northeast wind 10 to 15 knots with gusts up to
25 knots. mostly sunny. waves 1 to 2 feet building to 2 to
4 feet. 
.tonight...east wind 5 to 15 knots veering south less than
10 knots by midnight. mostly clear. waves subsiding to 1 to
2 feet. 
.sunday...variable wind less than 10 knots becoming northeast
less than 10 knots in the afternoon. mostly sunny. waves 1 to
2 feet. 
.sunday night...variable wind less than 10 knots. mostly clear.
waves calm to 1 foot. 

$$
fzus53 kmqt 300903
nshmqt
expires:202605302000;;886109

nearshore marine forecast
national weather service marquette mi
503 am edt sat may 30 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.


lsz242-302000-
ontonagon to upper entrance of portage canal mi-
503 am edt sat may 30 2026

...small craft advisory in effect until 6 am edt early this
morning...

.early this morning...east wind 10 to 20 knots. clear. waves 1 to
2 feet. 
.today...east wind 10 to 15 knots. sunny. waves building to 2 to
3 feet, then subsiding to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots veering south less than
10 knots late. clear. waves 1 to 2 feet. 
.sunday...variable wind less than 10 knots becoming north less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 
.sunday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 

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