• 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 251823
nshdlh
expires:202604252200;;508849

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz148-252200-
oak point to saxon harbor wi-
123 pm cdt sat apr 25 2026

.rest of today...northeast wind 5 knots. mostly cloudy. waves
1 foot or less. 
.tonight...northeast wind 5 knots becoming north in the late
evening and overnight. chance of sprinkles in the evening, then
slight chance of rain showers after midnight. waves 1 foot or
less. 
.sunday...north wind 5 knots becoming northeast in the afternoon.
chance of rain showers in the morning. waves 1 foot or less. 
.sunday night...northeast wind 10 to 15 knots. mostly cloudy.
waves 1 to 2 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508845

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz146-252200-
port wing to sand island wi-
123 pm cdt sat apr 25 2026

.rest of today...northeast wind 5 knots. mostly cloudy. waves
1 foot or less. 
.tonight...northeast wind 5 knots. chance of rain showers through
the night. waves 1 foot or less. 
.sunday...northeast wind 10 to 15 knots. chance of rain showers
through the day. waves 1 foot or less. 
.sunday night...northeast wind 10 to 15 knots. gusts up to
20 knots in the late evening and overnight. chance of rain
showers in the evening. slight chance of rain showers after
midnight. waves 1 to 3 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508846

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz147-252200-
sand island to bayfield wi-
123 pm cdt sat apr 25 2026

.rest of today...east wind 5 knots. mostly cloudy. waves 1 foot
or less. 
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. chance of rain showers through the night.
waves 1 foot or less. 
.sunday...north wind 5 knots becoming northeast late in the
afternoon. chance of rain showers in the morning, then slight
chance of rain showers in the afternoon. waves 1 foot or less. 
.sunday night...northeast wind 5 to 10 knots. gusts up to
20 knots early in the morning. slight chance of rain showers.
waves 1 to 2 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508848

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz121-252200-
chequamegon bay-bayfield to oak point wi-
123 pm cdt sat apr 25 2026

.rest of today...northeast wind 5 knots. mostly cloudy. waves
1 foot or less. 
.tonight...northeast wind 5 knots becoming north in the late
evening and overnight. chance of rain showers through the night.
waves 1 foot or less. 
.sunday...north wind 5 knots becoming northeast in the afternoon.
chance of rain showers in the morning, then slight chance of rain
showers in the afternoon. waves 1 foot or less. 
.sunday night...northeast wind 10 to 15 knots. slight chance of
rain showers in the evening. waves 1 to 2 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508839

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz140-252200-
grand portage to grand marais mn-
123 pm cdt sat apr 25 2026

.rest of today...south wind 5 knots. partly sunny. waves 1 foot
or less. 
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. slight chance of rain showers after
midnight. waves 1 foot or less. 
.sunday...northeast wind 5 to 10 knots. chance of rain showers
through the day. waves 1 foot or less. 
.sunday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain showers in the evening.
waves 1 to 2 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508840

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz141-252200-
grand marais to taconite harbor mn-
123 pm cdt sat apr 25 2026

.rest of today...southeast wind 5 knots. mostly cloudy. waves
1 foot or less. 
.tonight...east wind 5 knots becoming northeast after midnight.
slight chance of rain showers in the evening, then chance of rain
showers after midnight. waves 1 foot or less. 
.sunday...northeast wind 5 knots becoming east in the afternoon.
rain showers likely in the morning, then chance of rain showers
in the afternoon. waves 1 foot or less. 
.sunday night...northeast wind 10 to 15 knots. gusts up to
25 knots. chance of rain showers in the evening. slight chance of
rain showers after midnight. waves 1 to 2 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508841

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz142-252200-
taconite harbor to silver bay harbor mn-
123 pm cdt sat apr 25 2026

.rest of today...east wind 5 knots. mostly cloudy. waves 1 foot
or less. 
.tonight...northeast wind 5 knots. chance of rain showers in the
evening, then rain showers likely after midnight. waves 1 foot or
less. 
.sunday...northeast wind 5 knots rising to 5 to 10 knots in the
afternoon. rain showers likely in the morning, then chance of
rain showers in the afternoon. waves 1 foot or less. 
.sunday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. slight chance of rain showers. waves
1 to 2 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508842

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz143-252200-
silver bay harbor to two harbors mn-
123 pm cdt sat apr 25 2026

.rest of today...east wind 5 knots. mostly cloudy. waves 1 foot
or less. 
.tonight...northeast wind 5 knots. chance of rain showers in the
evening, then rain showers likely after midnight. waves 1 foot or
less. 
.sunday...northeast wind 5 to 10 knots rising to 10 to 15 knots
late in the afternoon. rain showers likely in the morning, then
chance of rain showers in the afternoon. waves 1 foot or less. 
.sunday night...northeast wind 15 to 20 knots. gusts up to
25 knots. slight chance of rain showers in the evening, then
chance of rain showers after midnight. waves 1 to 3 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508843

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz144-252200-
two harbors to duluth mn-
123 pm cdt sat apr 25 2026

.rest of today...east wind 5 knots. chance of sprinkles late.
waves 1 foot or less. 
.tonight...northeast wind 5 knots. chance of rain showers in the
evening, then rain showers likely after midnight. waves 1 foot or
less. 
.sunday...northeast wind 10 to 15 knots with gusts to around
20 knots. rain showers likely in the morning, then slight chance
of rain showers in the afternoon. waves 1 to 2 feet. 
.sunday night...northeast wind 15 to 20 knots. gusts up to
25 knots early in the morning. chance of rain showers through the
night. waves 1 to 3 feet. 

$$
fzus53 kdlh 251823
nshdlh
expires:202604252200;;508844

nearshore marine forecast
national weather service duluth mn
123 pm cdt sat apr 25 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.


lsz145-252200-
duluth mn to port wing wi-
123 pm cdt sat apr 25 2026

.rest of today...northeast wind 5 knots. chance of sprinkles
late. waves 1 foot or less. 
.tonight...northeast wind 5 knots. chance of rain showers. waves
1 foot or less. 
.sunday...northeast wind 10 to 15 knots with gusts to around
20 knots. rain showers likely in the morning, then slight chance
of rain showers in the afternoon. waves 1 to 2 feet. 
.sunday night...northeast wind 15 to 20 knots. gusts up to
25 knots early in the morning. chance of rain showers through the
night. waves 1 to 3 feet. 

$$
fzus53 kmqt 251501
nshmqt
expires:202604252000;;501528

nearshore marine forecast
national weather service marquette mi
1101 am edt sat apr 25 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.


lsz242-243-252000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1101 am edt sat apr 25 2026

.rest of today...north wind less than 10 knots veering northeast
late. mostly cloudy. waves calm to 1 foot. 
.tonight...east wind less than 10 knots. cloudy. waves calm to
1 foot. 
.sunday...east wind less than 10 knots backing northeast in the
afternoon. mostly cloudy. waves calm to 1 foot. 
.sunday night...east wind less than 10 knots increasing to 10 to
15 knots after midnight. mostly cloudy. waves building to 1 to
2 feet. 

$$
fzus53 kmqt 251501
nshmqt
expires:202604252000;;501527

nearshore marine forecast
national weather service marquette mi
1101 am edt sat apr 25 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.


lsz240-241-252000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1101 am edt sat apr 25 2026 /1001 am cdt sat apr 25 2026/

.rest of today...northeast wind less than 10 knots. cloudy. waves
calm to 1 foot. 
.tonight...east wind less than 10 knots. cloudy. a slight chance
of rain showers late. waves calm to 1 foot. 
.sunday...northeast wind less than 10 knots. mostly cloudy. waves
building to 1 to 2 feet. 
.sunday night...east wind less than 10 knots increasing to 10 to
15 knots after midnight. mostly cloudy. waves 1 to 2 feet. 

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