• 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 130418
nshdlh
expires:202606131000;;653044

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz148-131000-
oak point to saxon harbor wi-
1117 pm cdt fri jun 12 2026

.rest of tonight...southwest wind 5 knots rising to 10 to
15 knots with gusts to around 20 knots after midnight. partly
cloudy. waves 1 foot or less. 
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots early in the afternoon, then decreasing to
20 knots late in the afternoon. chance of sprinkles in the
afternoon. waves 1 to 2 feet. 
.saturday night...west wind 10 to 15 knots. gusts up to 20 knots
early in the evening then 20 knots after midnight. chance of
sprinkles in the evening. waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots with gusts to around 20 knots.
sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653039

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz145-131000-
duluth mn to port wing wi-
1117 pm cdt fri jun 12 2026

.rest of tonight...southwest wind 10 to 15 knots. gusts up to
20 knots toward daybreak. mostly clear. waves 1 to 2 feet. 
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. chance of
sprinkles in the afternoon. waves 1 to 2 feet. 
.saturday night...west wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles in the evening. waves 1 to 2 feet. 
.sunday...west wind 15 to 20 knots with gusts to around 25 knots.
sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653040

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz146-131000-
port wing to sand island wi-
1117 pm cdt fri jun 12 2026

.rest of tonight...west wind 5 knots becoming southwest 10 to
15 knots after midnight. gusts up to 20 knots. partly cloudy.
waves 1 to 2 feet. 
.saturday...west wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles in the afternoon. waves 1 to
3 feet. 
.saturday night...west wind 5 to 10 knots. gusts up to 20 knots
early in the evening then 20 knots after midnight. chance of
sprinkles in the evening. waves 1 to 2 feet. 
.sunday...west wind 5 to 10 knots with gusts to around 20 knots.
mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653041

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz147-131000-
sand island to bayfield wi-
1117 pm cdt fri jun 12 2026

.rest of tonight...west wind 5 knots becoming southwest 10 to
15 knots after midnight. gusts up to 20 knots. partly cloudy.
waves 1 to 2 feet. 
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. chance of
sprinkles in the afternoon. waves 1 to 3 feet. 
.saturday night...west wind 10 to 15 knots. gusts up to 20 knots.
chance of sprinkles in the evening. waves 1 to 2 feet. 
.sunday...west wind 5 to 10 knots with gusts to around 20 knots.
sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653043

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz121-131000-
chequamegon bay-bayfield to oak point wi-
1117 pm cdt fri jun 12 2026

.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. chance of
sprinkles in the afternoon. waves 1 to 2 feet. 
.saturday night...west wind 10 to 15 knots with gusts to around
20 knots easing to 10 knots with gusts to around 20 knots early
in the morning. chance of sprinkles in the evening. waves 1 foot
or less. 
.sunday...west wind 10 to 15 knots with gusts to around 20 knots.
mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653034

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz140-131000-
grand portage to grand marais mn-
1117 pm cdt fri jun 12 2026

.rest of tonight...southwest wind 10 to 15 knots. gusts up to
20 knots after midnight. slight chance of rain showers late in
the evening, then chance of sprinkles after midnight. waves 1 to
3 feet. 
.saturday...west wind 10 to 15 knots. gusts up to 25 knots
decreasing to 20 knots late in the afternoon. chance of rain
showers in the morning, then chance of sprinkles in the
afternoon. waves 2 to 4 feet. a small craft advisory may be
needed. 
.saturday night...west wind 10 to 15 knots. gusts up to 20 knots
in the evening then 20 knots early in the morning. chance of
sprinkles through the night. waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight. 
.sunday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. partly sunny.
waves 1 to 3 feet. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653035

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz141-131000-
grand marais to taconite harbor mn-
1117 pm cdt fri jun 12 2026

.rest of tonight...west wind 5 to 10 knots becoming southwest
10 to 15 knots with gusts to around 20 knots toward daybreak.
chance of sprinkles late in the evening. waves 1 to 2 feet. 
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. chance of
sprinkles through the day. waves 1 to 3 feet. 
.saturday night...west wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles through the night. waves 1 to
2 feet. 
.sunday...northwest wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and afternoon. mostly
sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653036

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz142-131000-
taconite harbor to silver bay harbor mn-
1117 pm cdt fri jun 12 2026

.rest of tonight...northwest wind 5 to 10 knots becoming west
after midnight. chance of sprinkles late in the evening. waves
1 to 2 feet. 
.saturday...west wind 5 to 10 knots with gusts to around
20 knots. chance of sprinkles through the day. waves 1 to 2 feet.
.saturday night...west wind 5 to 10 knots with gusts to around
20 knots. chance of sprinkles through the night. waves 1 foot or
less. 
.sunday...northwest wind 5 to 10 knots with gusts to around
20 knots. mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653037

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz143-131000-
silver bay harbor to two harbors mn-
1117 pm cdt fri jun 12 2026

.rest of tonight...northwest wind 5 to 10 knots becoming west
10 to 15 knots after midnight. chance of sprinkles late in the
evening. waves 1 to 2 feet. 
.saturday...west wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles in the afternoon. waves 1 to
2 feet. 
.saturday night...west wind 5 to 10 knots. gusts up to 20 knots
early in the morning. chance of sprinkles in the evening. waves
1 foot or less. 
.sunday...west wind 5 to 10 knots with gusts to around 20 knots.
mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 130418
nshdlh
expires:202606131000;;653038

nearshore marine forecast
national weather service duluth mn
1117 pm cdt fri jun 12 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.


lsz144-131000-
two harbors to duluth mn-
1117 pm cdt fri jun 12 2026

.rest of tonight...west wind 10 to 15 knots. mostly clear. waves
1 foot or less. 
.saturday...west wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles in the afternoon. waves 1 to
2 feet. 
.saturday night...west wind 10 to 15 knots with gusts to around
20 knots. chance of sprinkles in the evening. waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots. gusts up to 25 knots
decreasing to 20 knots in the afternoon. sunny. waves 1 to
2 feet. 

$$
fzus53 kmqt 130301
nshmqt
expires:202606130800;;650484

nearshore marine forecast
national weather service marquette mi
1100 pm edt fri jun 12 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.


lsz241-130800-
black river to ontonagon mi-
1100 pm edt fri jun 12 2026 /1000 pm cdt fri jun 12 2026/

...small craft advisory in effect from 5 am edt /4 am cdt/
saturday through saturday evening...

.rest of tonight...southwest wind 10 to 15 knots with gusts up to
24 knots. mostly clear. waves 1 to 2 feet building to 2 to
3 feet. 
.saturday...west wind 15 to 20 knots becoming 10 to 20 knots by
late morning. partly cloudy. waves building to 2 to 4 feet, then
subsiding to 2 to 3 feet. 
.saturday night...west wind 10 to 20 knots. mostly cloudy. waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet. 
.sunday...west wind 10 to 20 knots. partly cloudy in the morning
then clearing. waves building to 2 to 4 feet, then subsiding to
1 to 2 feet. 

$$
fzus53 kmqt 130301
nshmqt
expires:202606130800;;650486

nearshore marine forecast
national weather service marquette mi
1100 pm edt fri jun 12 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.


lsz242-130800-
ontonagon to upper entrance of portage canal mi-
1100 pm edt fri jun 12 2026

...small craft advisory in effect from 5 am edt saturday through
saturday evening...

.rest of tonight...southwest wind 10 to 20 knots with gusts up to
28 knots. mostly clear. a slight chance of showers by midnight.
waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.
.saturday...west wind 15 to 20 knots. gusts up to 29 knots.
partly cloudy. waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday night...west wind 15 to 20 knots. mostly cloudy. waves
subsiding to 2 to 4 feet. 
.sunday...west wind 15 to 20 knots. gusts up to 27 knots. mostly
sunny. waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 

$$
fzus53 kmqt 130301
nshmqt
expires:202606130800;;650483

nearshore marine forecast
national weather service marquette mi
1100 pm edt fri jun 12 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.


lsz240-130800-
saxon harbor wi to black river mi-
1100 pm edt fri jun 12 2026 /1000 pm cdt fri jun 12 2026/

.rest of tonight...southwest wind 10 to 15 knots. mostly clear.
waves 1 to 2 feet. 
.saturday...west wind 10 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.saturday night...west wind 10 to 15 knots. mostly cloudy. waves
1 to 2 feet. 
.sunday...west wind 10 to 15 knots. partly cloudy in the morning
then clearing. waves 1 to 2 feet. 

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