• 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 300623
nshdlh
expires:202609301600;;284615

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz148-301600-
oak point to saxon harbor wi-
122 am cdt wed sep 30 2026

.today...southwest wind 5 knots. cloudy then becoming partly
sunny late in the morning then becoming sunny. waves 1 foot or
less. 
.tonight...southwest wind 5 knots becoming west early in the
morning. mostly cloudy. waves 1 foot or less. 
.thursday...northwest wind 5 to 10 knots. partly sunny. waves
1 foot or less. 
.thursday night...northwest wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284611

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz146-301600-
port wing to sand island wi-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and early afternoon. patchy fog early in the
morning. waves 1 foot or less. 
.tonight...west wind 5 to 10 knots. mostly cloudy. waves 1 foot
or less. 
.thursday...northwest wind 5 to 10 knots becoming west with gusts
to around 20 knots in the afternoon. partly sunny. waves 1 foot
or less. 
.thursday night...northwest wind 5 to 10 knots. gusts up to
20 knots in the evening. partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284612

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz147-301600-
sand island to bayfield wi-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. gusts up to 20 knots early
in the afternoon. patchy fog early in the morning. waves 1 foot
or less. 
.tonight...southwest wind 5 to 10 knots becoming northwest early
in the morning. partly cloudy in the evening then becoming mostly
cloudy. waves 1 foot or less. 
.thursday...northwest wind 5 to 10 knots becoming west with gusts
to around 20 knots in the afternoon. partly sunny. waves 1 foot
or less. 
.thursday night...northwest wind 5 to 10 knots. gusts up to
20 knots in the evening then 20 knots early in the morning.
partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284614

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz121-301600-
chequamegon bay-bayfield to oak point wi-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. patchy fog early in the
morning. waves 1 foot or less. 
.tonight...southwest wind 5 knots becoming northwest early in the
morning. mostly cloudy. waves 1 foot or less. 
.thursday...northwest wind 5 to 10 knots. partly sunny. waves
1 foot or less. 
.thursday night...northwest wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284605

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz140-301600-
grand portage to grand marais mn-
122 am cdt wed sep 30 2026

.today...southwest wind 10 to 15 knots with gusts to around
20 knots. patchy fog early in the morning. waves 1 to 3 feet. 
.tonight...west wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots early in the morning. partly
cloudy in the evening then becoming mostly cloudy. waves 1 to
3 feet. 
.thursday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 20 knots in the
afternoon. partly sunny. waves 1 to 2 feet. 
.thursday night...northwest wind 10 to 15 knots with gusts to
around 20 knots. mostly cloudy in the evening then becoming
partly cloudy. waves 1 to 2 feet. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284606

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz141-301600-
grand marais to taconite harbor mn-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. patchy fog early in the
morning. waves 1 to 2 feet. 
.tonight...west wind 5 to 10 knots becoming northwest with gusts
to around 20 knots early in the morning. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.thursday...northwest wind 10 to 15 knots. gusts up to 20 knots
in the late morning and afternoon. partly sunny. waves 1 foot or
less. 
.thursday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284607

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz142-301600-
taconite harbor to silver bay harbor mn-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. patchy fog early in the morning. waves 1 foot or
less. 
.tonight...west wind 5 knots becoming northwest with gusts to
around 20 knots early in the morning. partly cloudy in the
evening then becoming mostly cloudy. waves 1 foot or less. 
.thursday...northwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. partly sunny. waves 1 foot or less. 
.thursday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. partly cloudy. waves 1 foot or
less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284608

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz143-301600-
silver bay harbor to two harbors mn-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. patchy fog in the morning. waves 1 foot or less. 
.tonight...west wind 5 knots becoming northwest early in the
morning. partly cloudy in the evening then becoming mostly
cloudy. waves 1 foot or less. 
.thursday...northwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. partly sunny. waves 1 foot or less. 
.thursday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. partly cloudy. waves 1 foot or
less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284609

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz144-301600-
two harbors to duluth mn-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. patchy fog in the morning.
waves 1 foot or less. 
.tonight...west wind 5 to 10 knots becoming northwest early in
the morning. partly cloudy in the evening then becoming mostly
cloudy. waves 1 foot or less. 
.thursday...northwest wind 10 to 15 knots. gusts up to 20 knots
in the afternoon. partly sunny. waves 1 foot or less. 
.thursday night...northwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. partly cloudy. waves 1 foot or
less. 

$$
fzus53 kdlh 300623
nshdlh
expires:202609301600;;284610

nearshore marine forecast
national weather service duluth mn
122 am cdt wed sep 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.


lsz145-301600-
duluth mn to port wing wi-
122 am cdt wed sep 30 2026

.today...southwest wind 5 to 10 knots. patchy fog early in the
morning. waves 1 foot or less. 
.tonight...southwest wind 5 to 10 knots becoming northwest early
in the morning. mostly cloudy. waves 1 foot or less. 
.thursday...northwest wind 10 to 15 knots. gusts up to 20 knots
in the afternoon. partly sunny. waves 1 foot or less. 
.thursday night...northwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. partly cloudy. waves 1 foot or
less. 

$$
fzus53 kmqt 300302
nshmqt
expires:202609300800;;277859

nearshore marine forecast
national weather service marquette mi
1101 pm edt tue sep 29 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.


lsz242-243-300800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1101 pm edt tue sep 29 2026

.rest of tonight...southwest wind 10 to 15 knots. cloudy. a
chance of showers by midnight. waves 1 to 2 feet. 
.wednesday...southwest wind 5 to 15 knots with gusts up to
25 knots. partly cloudy. waves building to 2 to 3 feet, then
subsiding to 1 to 2 feet. 
.wednesday night...southwest wind less than 10 knots veering west
10 to 15 knots after midnight. mostly cloudy. waves 1 to 2 feet. 
.thursday...west wind 10 to 20 knots with gusts up to 27 knots.
partly cloudy. waves building to 2 to 4 feet. 

$$
fzus53 kmqt 300302
nshmqt
expires:202609300800;;277858

nearshore marine forecast
national weather service marquette mi
1101 pm edt tue sep 29 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.


lsz240-241-300800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1101 pm edt tue sep 29 2026 /1001 pm cdt tue sep 29 2026/

.rest of tonight...southwest wind 5 to 15 knots. mostly cloudy. a
chance of showers by midnight. waves 1 to 2 feet. 
.wednesday...southwest wind 10 to 15 knots veering west 5 to
15 knots by late morning. partly cloudy through mid morning then
clearing. waves building to 1 to 2 feet. 
.wednesday night...southwest wind less than 10 knots veering west
10 to 15 knots after midnight. partly cloudy in the evening then
becoming cloudy. waves calm to 1 foot. 
.thursday...west wind 10 to 15 knots. partly cloudy. waves 1 to
2 feet. 

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