• 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

fzus63 kmqt 142100
glfls 
expires:202611150900;;828242

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat nov 14 2026

for waters beyond 5 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.

.synopsis...

high pressure extending from ontario into the mississippi river 
valley builds from 30.3 inches to 30.4 inches into tomorrow as it 
marches slowly east, becoming centered over illinois by late sunday. 
this sends ridging at 30.3 inches over lake superior through the 
weekend. ridging continues to build to 30.6 inches, shifting 
southeast and reaching west virginia by late tuesday. pressure falls 
slightly over lake superior, decreasing to 30.1 inches along the 
northwestern shorline of lake superior, and remaining at 30.3 inches 
near whitefish bay, by late monday. the high lingers over the mid-
atlantic at 30.5 inches into wednesday as pressure continues to fall 
slowly lake superior, reaching 29.9 inches in the west and 30.2 
inches in the east by wednesday afternoon. pressure over lake 
superior then falls abruptly through thursday as a colorado low 
approaches northern minnesota late wednesday and tracks directly 
over lake superior at 29.8 inches on thursday. the low transits 
quickly northeast, and pressure begins to increase over lake supeior 
by early friday. 




lsz162-150900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est sat nov 14 2026 /300 pm cst sat nov 14 2026/

.late this afternoon...west winds less than 10 knots. waves calm
to 2 feet. 
.tonight...west winds less than 10 knots backing southwest by
midnight, then increasing to 5 to 15 knots late. waves calm to
2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots by midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday...southwest winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.monday night...southwest winds 20 to 30 knots. waves subsiding
to 3 to 6 feet occasionally to 8 feet. 
.tuesday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.tuesday night...southwest winds 15 to 25 knots. waves subsiding
to 1 to 3 feet, then building to 2 to 4 feet. 
.wednesday...south winds 15 to 25 knots diminishing to 5 to
15 knots. a chance of showers. waves subsiding to calm to 2 feet.
.thursday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. a chance of rain showers. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

$$
fzus63 kmqt 142100
glfls 
expires:202611150900;;828243

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat nov 14 2026

for waters beyond 5 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.

.synopsis...

high pressure extending from ontario into the mississippi river 
valley builds from 30.3 inches to 30.4 inches into tomorrow as it 
marches slowly east, becoming centered over illinois by late sunday. 
this sends ridging at 30.3 inches over lake superior through the 
weekend. ridging continues to build to 30.6 inches, shifting 
southeast and reaching west virginia by late tuesday. pressure falls 
slightly over lake superior, decreasing to 30.1 inches along the 
northwestern shorline of lake superior, and remaining at 30.3 inches 
near whitefish bay, by late monday. the high lingers over the mid-
atlantic at 30.5 inches into wednesday as pressure continues to fall 
slowly lake superior, reaching 29.9 inches in the west and 30.2 
inches in the east by wednesday afternoon. pressure over lake 
superior then falls abruptly through thursday as a colorado low 
approaches northern minnesota late wednesday and tracks directly 
over lake superior at 29.8 inches on thursday. the low transits 
quickly northeast, and pressure begins to increase over lake supeior 
by early friday. 




lsz263-150900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm est sat nov 14 2026

.late this afternoon...northwest winds less than 10 knots. waves
calm to 2 feet. 
.tonight...northwest winds less than 10 knots backing west by
midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
20 to 30 knots by midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.monday...southwest gales to 35 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet
occasionally to 9 feet. 
.tuesday...southwest winds 20 to 30 knots. waves subsiding to
2 to 4 feet. 
.tuesday night...southwest winds 15 to 25 knots. waves building
to 3 to 5 feet occasionally to 7 feet. 
.wednesday...southwest winds 15 to 25 knots becoming south 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.thursday...west winds 10 to 20 knots veering north. a chance of
rain showers. waves building to 2 to 4 feet, then subsiding to
calm to 2 feet. 

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