• 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 122026
nshdlh
expires:202610130400;;988653

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz121-130400-
chequamegon bay-bayfield to oak point wi-
326 pm cdt mon oct 12 2026

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

.tonight...northeast wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
after midnight. rain showers in the evening. chance of
thunderstorms through the night. chance of rain showers after
midnight. patchy fog late in the evening. waves 1 to 3 feet. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots early in the afternoon, then
becoming west late in the afternoon. mostly cloudy. waves 1 to
2 feet. 
.tuesday night...variable winds 10 knots or less becoming
northwest 5 knots in the late evening and overnight. mostly
cloudy. waves 1 foot or less. 
.wednesday...northwest wind 5 knots. mostly sunny. waves 1 foot
or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988644

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz140-130400-
grand portage to grand marais mn-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots. gusts up to 35 knots
decreasing to 30 knots late in the night. rain showers in the
evening. slight chance of thunderstorms through the night. rain
showers likely after midnight. patchy fog in the late evening and
overnight. waves 6 to 9 feet. waves occasionally to 12 feet. 
.tuesday...north wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots early in the afternoon,
then becoming west late in the afternoon. slight chance of rain
showers in the morning. waves 4 to 6 feet subsiding to 1 to
3 feet. waves occasionally to 7 feet. a small craft advisory may
be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.wednesday...northwest wind 5 to 10 knots. partly sunny. waves
1 foot or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988645

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz141-130400-
grand marais to taconite harbor mn-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots. gusts up to 35 knots
decreasing to 25 knots late in the night. rain showers and slight
chance of thunderstorms in the evening, then chance of rain
showers after midnight. patchy fog late in the evening. waves
6 to 9 feet. waves occasionally to 12 feet. 
.tuesday...north wind 10 to 15 knots becoming west 5 knots in the
afternoon. slight chance of rain showers in the morning. waves
4 to 6 feet subsiding to 1 to 3 feet. waves occasionally to
7 feet. a small craft advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.wednesday...northwest wind 5 knots. mostly sunny. waves 1 foot
or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988646

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz142-130400-
taconite harbor to silver bay harbor mn-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
late in the night. patchy fog until early morning. rain showers
and slight chance of thunderstorms in the evening. rain showers
likely after midnight, then chance of rain showers late in the
night. waves 7 to 10 feet subsiding to 5 to 8 feet late in the
night. waves occasionally to 13 feet. 
.tuesday...north wind 5 to 10 knots becoming west in the
afternoon. mostly cloudy. waves 4 to 6 feet subsiding to 2 to
4 feet in the afternoon. waves occasionally to 8 feet. a small
craft advisory may be needed. 
.tuesday night...northwest wind 5 knots. mostly cloudy. waves
1 to 3 feet. 
.wednesday...northwest wind 5 knots becoming west late in the
afternoon. mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988647

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz143-130400-
silver bay harbor to two harbors mn-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots. gales up to 40 knots
decreasing to 30 knots. patchy fog until early morning. rain
showers and chance of thunderstorms in the evening. chance of
rain showers after midnight. waves 8 to 11 feet subsiding to 5 to
8 feet late in the night. waves occasionally to 14 feet. 
.tuesday...north wind 5 to 10 knots with gusts to around 20 knots
becoming west in the afternoon. mostly cloudy. waves 4 to 6 feet
subsiding to 2 to 4 feet in the afternoon. waves occasionally to
8 feet. a small craft advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 3 feet. 
.wednesday...northwest wind 5 knots becoming southwest late in
the afternoon. mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988648

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz144-130400-
two harbors to duluth mn-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind up to 30 knots with gales to around
35 knots easing to 15 to 20 knots with gusts to around 25 knots
late in the night. rain showers likely and slight chance of
thunderstorms in the evening. chance of rain showers after
midnight, then slight chance of rain showers and drizzle late in
the night. patchy fog in the late evening and early morning.
waves 7 to 10 feet subsiding to 5 to 8 feet late in the night.
waves occasionally to 14 feet. 
.tuesday...north wind 5 to 10 knots with gusts to around 20 knots
becoming west in the afternoon. mostly cloudy. waves 4 to 6 feet
subsiding to 2 to 4 feet in the afternoon. waves occasionally to
8 feet. a small craft advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.wednesday...northwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988649

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz145-130400-
duluth mn to port wing wi-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots. gusts up to 35 knots
decreasing to 30 knots late in the night. rain showers likely and
chance of thunderstorms in the evening. chance of rain showers
after midnight, then slight chance of rain showers late in the
night. patchy fog late in the evening. waves 7 to 10 feet
subsiding to 5 to 8 feet late in the night. waves occasionally to
13 feet. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots in the afternoon. mostly cloudy.
waves 4 to 6 feet subsiding to 1 to 3 feet. waves occasionally to
8 feet. a small craft advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.wednesday...northwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988650

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz146-130400-
port wing to sand island wi-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots. gusts up to 35 knots
decreasing to 30 knots late in the night. rain showers and chance
of thunderstorms in the evening. rain showers likely and slight
chance of thunderstorms after midnight. patchy fog in the late
evening and early morning. waves 7 to 10 feet. waves occasionally
to 13 feet. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots in the afternoon. mostly cloudy.
waves 4 to 6 feet subsiding to 1 to 3 feet. waves occasionally to
8 feet. a small craft advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.wednesday...northwest wind 5 to 10 knots until late afternoon
becoming variable 10 knots or less. mostly sunny. waves 1 foot or
less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988651

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz147-130400-
sand island to bayfield wi-
326 pm cdt mon oct 12 2026

...gale warning in effect until 10 pm cdt this evening...

.tonight...northeast wind 20 to 25 knots. gales up to 40 knots
decreasing to 30 knots. rain showers and chance of thunderstorms
in the evening, then rain showers likely and slight chance of
thunderstorms after midnight. patchy fog late in the evening.
waves 7 to 10 feet. waves occasionally to 13 feet. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 knots early in the afternoon, then
becoming west late in the afternoon. mostly cloudy. waves 4 to
7 feet subsiding to 1 to 3 feet. waves occasionally to 9 feet. a
small craft advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 2 feet. 
.wednesday...northwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 

$$
fzus53 kdlh 122026
nshdlh
expires:202610130400;;988654

nearshore marine forecast
national weather service duluth mn
326 pm cdt mon oct 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.


lsz148-130400-
oak point to saxon harbor wi-
326 pm cdt mon oct 12 2026

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

.tonight...northeast wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
late in the night. rain showers in the evening. chance of
thunderstorms through the night. rain showers likely after
midnight. patchy fog late in the evening. waves 6 to 9 feet.
waves occasionally to 12 feet. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the afternoon, then becoming
west late in the afternoon. slight chance of rain showers in the
morning. waves 4 to 7 feet subsiding to 3 to 5 feet in the
afternoon. waves occasionally to 9 feet. a small craft advisory
may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy.
waves 1 to 3 feet. 
.wednesday...northwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 

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