• 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 062011
nshdlh
expires:202608070400;;732199

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz121-070400-
chequamegon bay-bayfield to oak point wi-
311 pm cdt thu aug 6 2026

.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening then 20 knots after midnight. mostly clear.
waves 1 foot or less. 
.friday...southwest wind 5 to 10 knots becoming northwest late in
the afternoon. slight chance of showers and thunderstorms in the
morning, then showers likely and chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.friday night...west wind 5 knots. slight chance of showers and
thunderstorms in the evening. waves 1 foot or less. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots late in
the afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732190

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz140-070400-
grand portage to grand marais mn-
311 pm cdt thu aug 6 2026

...small craft advisory in effect through friday afternoon...

.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots. slight chance of showers and thunderstorms late in the
night. waves 2 to 4 feet. 
.friday...southwest wind 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. gusts up to 20 knots. slight
chance of thunderstorms in the morning. chance of rain showers
through the day. chance of thunderstorms in the afternoon. waves
1 to 3 feet. 
.friday night...west wind 5 to 10 knots. slight chance of rain
showers in the evening. waves 1 to 2 feet. 
.saturday...west wind 15 to 20 knots with gusts to around
25 knots becoming southwest with gusts to around 25 knots late in
the afternoon. mostly sunny. waves 1 to 3 feet. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732191

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz141-070400-
grand marais to taconite harbor mn-
311 pm cdt thu aug 6 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...south wind 5 to 10 knots with gusts to around 20 knots
becoming southwest late in the night. slight chance of showers
and thunderstorms late in the night. waves 1 to 2 feet. 
.friday...south wind 5 to 10 knots becoming west in the
afternoon. slight chance of thunderstorms in the morning. chance
of rain showers through the day. chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.friday night...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.saturday...west wind 5 to 10 knots with gusts to around 20 knots
becoming southwest 10 to 15 knots with gusts to around 20 knots
in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732192

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz142-070400-
taconite harbor to silver bay harbor mn-
311 pm cdt thu aug 6 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots in
the evening. partly cloudy. waves 1 foot or less. 
.friday...southwest wind 5 knots becoming west in the afternoon.
slight chance of thunderstorms in the morning. chance of rain
showers through the day. chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.friday night...northwest wind 5 knots. mostly clear. waves
1 foot or less. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732193

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz143-070400-
silver bay harbor to two harbors mn-
311 pm cdt thu aug 6 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots
until early morning. partly cloudy. waves 1 to 2 feet. 
.friday...southwest wind 5 to 10 knots becoming northwest late in
the afternoon. slight chance of thunderstorms in the morning.
chance of rain showers through the day. chance of thunderstorms
in the afternoon. waves 1 to 2 feet. 
.friday night...northwest wind 5 knots. mostly clear. waves
1 foot or less. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732194

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz144-070400-
two harbors to duluth mn-
311 pm cdt thu aug 6 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...southwest wind 10 to 15 knots with gusts to around
20 knots. mostly clear. waves 1 to 2 feet. 
.friday...southwest wind 5 to 10 knots becoming northwest late in
the afternoon. slight chance of showers and thunderstorms in the
morning. chance of showers and thunderstorms in the afternoon.
waves 1 to 2 feet. 
.friday night...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732195

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz145-070400-
duluth mn to port wing wi-
311 pm cdt thu aug 6 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...southwest wind 10 to 15 knots with gusts to around
20 knots. mostly clear. waves 1 to 2 feet. 
.friday...southwest wind 5 to 10 knots with gusts to around
20 knots becoming west in the afternoon. slight chance of
thunderstorms in the morning. chance of showers through the day.
chance of thunderstorms in the afternoon. waves 1 to 2 feet. 
.friday night...northwest wind 5 to 10 knots becoming west early
in the morning. mostly clear. waves 1 foot or less. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots late in
the afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732196

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz146-070400-
port wing to sand island wi-
311 pm cdt thu aug 6 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...southwest wind 5 to 10 knots with gusts to around
20 knots. mostly clear. waves 1 foot or less. 
.friday...southwest wind 5 to 10 knots becoming west in the
afternoon. slight chance of thunderstorms in the morning. chance
of showers through the day. chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.friday night...west wind 5 knots. mostly clear. waves 1 foot or
less. 
.saturday...southwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732197

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz147-070400-
sand island to bayfield wi-
311 pm cdt thu aug 6 2026

.tonight...south wind 5 to 10 knots. gusts up to 20 knots in the
late evening and early morning. mostly clear. waves 1 foot or
less. 
.friday...southwest wind 5 to 10 knots becoming west in the
afternoon. slight chance of showers and thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon. waves 1 foot or less. 
.friday night...west wind 5 knots. mostly clear. waves 1 foot or
less. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 062011
nshdlh
expires:202608070400;;732200

nearshore marine forecast
national weather service duluth mn
311 pm cdt thu aug 6 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.


lsz148-070400-
oak point to saxon harbor wi-
311 pm cdt thu aug 6 2026

.tonight...south wind 5 to 10 knots with gusts to around
20 knots. mostly clear. waves 1 foot or less. 
.friday...southwest wind 5 to 10 knots with gusts to around
20 knots becoming northwest late in the afternoon. slight chance
of showers in the morning, then showers likely and chance of
thunderstorms in the afternoon. waves 1 foot or less. 
.friday night...west wind 5 knots. chance of showers and
thunderstorms in the evening. waves 1 foot or less. 
.saturday...west wind 5 to 10 knots. sunny. waves 1 foot or less.

$$
fzus53 kmqt 062102
nshmqt
expires:202608070800;;733665

nearshore marine forecast
national weather service marquette mi
502 pm edt thu aug 6 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.


lsz240-241-070800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
502 pm edt thu aug 6 2026 /402 pm cdt thu aug 6 2026/

.late this afternoon...southwest wind less than 10 knots with
gusts up to 19 knots. sunny. waves calm to 1 foot. 
.tonight...south wind 5 to 15 knots. clear. waves building to
1 to 2 feet. 
.friday...southwest wind 10 to 15 knots veering west less than
10 knots late. sunny with a slight chance of showers through mid
morning, then mostly cloudy with showers and a chance of
thunderstorms by late morning. waves 1 to 2 feet. 
.friday night...west wind less than 10 knots. partly cloudy. a
slight chance of showers in the evening. waves calm to 1 foot. 
.saturday...west wind 5 to 15 knots. sunny. waves building to
1 to 2 feet. 

$$
fzus53 kmqt 062102
nshmqt
expires:202608070800;;733666

nearshore marine forecast
national weather service marquette mi
502 pm edt thu aug 6 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.


lsz242-243-070800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
502 pm edt thu aug 6 2026

.late this afternoon...southwest wind less than 10 knots. sunny.
waves 1 to 2 feet. 
.tonight...south wind 5 to 15 knots becoming 10 to 15 knots late.
gusts up to 22 knots. mostly clear. waves building to 1 to
2 feet. 
.friday...southwest wind 10 to 15 knots veering west 5 to
15 knots by late morning. mostly sunny through early afternoon
then becoming mostly cloudy. showers and a chance of
thunderstorms by late morning. waves 1 to 2 feet. 
.friday night...west wind less than 10 knots. mostly cloudy with
a slight chance of showers in the evening, then partly cloudy
after midnight. waves building to 1 to 2 feet. 
.saturday...west wind 10 to 15 knots with gusts up to 25 knots.
sunny. waves building to 2 to 3 feet. 

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