• 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 160753
nshdlh
expires:202608161600;;278100

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz121-161600-
chequamegon bay-bayfield to oak point wi-
253 am cdt sun aug 16 2026

.today...northwest wind 5 to 10 knots. gusts up to 20 knots late
in the morning. mostly cloudy early in the morning then becoming
mostly sunny. waves 1 foot or less. 
.tonight...northwest wind 5 knots becoming west early in the
morning. partly cloudy. waves 1 foot or less. 
.monday...west wind 5 to 10 knots. patchy fog in the morning.
waves 1 foot or less. 
.monday night...southwest wind 5 knots becoming west early in the
morning. chance of showers and slight chance of thunderstorms
through the night. waves 1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278091

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz140-161600-
grand portage to grand marais mn-
253 am cdt sun aug 16 2026

.today...west wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots with gusts to around 20 knots in
the afternoon. partly sunny. waves 1 foot or less. 
.tonight...northwest wind 5 to 10 knots. partly cloudy. waves
1 foot or less. 
.monday...west wind 5 to 10 knots becoming southwest late in the
morning, then rising to 15 to 20 knots with gusts to around
25 knots in the afternoon. partly sunny. waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. 
.monday night...west wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots early in the morning. slight
chance of rain showers through the night. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278092

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz141-161600-
grand marais to taconite harbor mn-
253 am cdt sun aug 16 2026

.today...northwest wind 5 to 10 knots. gusts up to 20 knots until
late afternoon. chance of sprinkles late in the morning. waves
1 to 2 feet. 
.tonight...northwest wind 5 to 10 knots. partly cloudy. waves
1 foot or less. 
.monday...west wind 5 knots becoming southwest with gusts to
around 20 knots in the late morning and afternoon. patchy fog in
the morning. waves 1 to 2 feet. 
.monday night...southwest wind 5 to 10 knots with gusts to around
20 knots becoming west after midnight. slight chance of rain
showers through the night. waves 1 to 2 feet. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278093

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz142-161600-
taconite harbor to silver bay harbor mn-
253 am cdt sun aug 16 2026

.today...northwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and early afternoon. mostly sunny. waves 1 to
2 feet. 
.tonight...northwest wind 5 knots. partly cloudy. waves 1 foot or
less. 
.monday...west wind 5 knots becoming southwest with gusts to
around 20 knots in the late morning and afternoon. patchy fog in
the morning. waves 1 foot or less. 
.monday night...southwest wind 5 to 10 knots with gusts to around
20 knots becoming west after midnight. slight chance of
thunderstorms in the evening. slight chance of rain showers
through the night. waves 1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278094

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz143-161600-
silver bay harbor to two harbors mn-
253 am cdt sun aug 16 2026

.today...northwest wind 5 to 10 knots. partly sunny. waves 1 to
2 feet. 
.tonight...northwest wind 5 knots. patchy fog after midnight.
waves 1 foot or less. 
.monday...southwest wind 5 knots rising to 5 to 10 knots with
gusts to around 20 knots in the afternoon. patchy fog in the
morning. waves 1 foot or less. 
.monday night...southwest wind 5 to 10 knots becoming west after
midnight. slight chance of thunderstorms in the evening. chance
of rain showers through the night. waves 1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278095

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz144-161600-
two harbors to duluth mn-
253 am cdt sun aug 16 2026

.today...northwest wind 5 to 10 knots. gusts up to 20 knots late
in the morning. partly sunny. waves 1 to 2 feet. 
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.monday...southwest wind 5 to 10 knots. patchy fog in the
morning. waves 1 foot or less. 
.monday night...west wind 5 to 10 knots. slight chance of
thunderstorms in the evening. chance of rain showers through the
night. waves 1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278096

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz145-161600-
duluth mn to port wing wi-
253 am cdt sun aug 16 2026

.today...northwest wind 10 to 15 knots. gusts up to 20 knots late
in the morning. partly sunny. waves 1 to 2 feet. 
.tonight...northwest wind 5 to 10 knots becoming southwest early
in the morning. partly cloudy. waves 1 foot or less. 
.monday...southwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.monday night...west wind 5 to 10 knots. chance of rain showers
and slight chance of thunderstorms through the night. waves
1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278097

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz146-161600-
port wing to sand island wi-
253 am cdt sun aug 16 2026

.today...west wind 5 to 10 knots. partly sunny. waves 1 to
2 feet. 
.tonight...west wind 5 knots. partly cloudy. waves 1 foot or
less. 
.monday...southwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.monday night...southwest wind 5 to 10 knots becoming west early
in the morning. chance of showers and slight chance of
thunderstorms through the night. waves 1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278098

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz147-161600-
sand island to bayfield wi-
253 am cdt sun aug 16 2026

.today...west wind 5 to 10 knots. gusts up to 20 knots in the
late morning and early afternoon. partly sunny in the morning
then clearing. waves 1 foot or less. 
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.monday...west wind 5 to 10 knots becoming southwest late in the
afternoon. mostly sunny. waves 1 foot or less. 
.monday night...southwest wind 5 knots becoming west after
midnight. chance of showers and slight chance of thunderstorms
through the night. waves 1 foot or less. 

$$
fzus53 kdlh 160753
nshdlh
expires:202608161600;;278101

nearshore marine forecast
national weather service duluth mn
253 am cdt sun aug 16 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.


lsz148-161600-
oak point to saxon harbor wi-
253 am cdt sun aug 16 2026

.today...northwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and early afternoon. chance of sprinkles early
in the morning. waves 1 foot or less. 
.tonight...northwest wind 5 knots becoming west early in the
morning. partly cloudy. waves 1 foot or less. 
.monday...southwest wind 5 knots. mostly sunny. waves 1 foot or
less. 
.monday night...southwest wind 5 knots becoming west after
midnight. chance of showers and slight chance of thunderstorms
through the night. waves 1 foot or less. 

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