• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 ��� 

Classic iWindsurf
kiter? see iKitesurf.com
We're curious: Are you a windsurfer or a kiter?         
Classic iWindsurf is here to stay. Our new Wind & Weather tools are also available to you. More info
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
>Flood Statement

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzus63 kmqt 220745
glfls 
expires:201809221545;;023085

open lake forecast for lake superior
national weather service marquette mi
345 am edt sat sep 22 2018

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...as high pressure of 30.3 inches over southwest
wisconsin moves to the lower great lakes by this evening, a 30.2
inch low pressure trough over northern ontario will drop south,
crossing lake superior tonight. in its wake, 30.5 inch high
pressure will build over northern ontario tonight and sunday as a
low pressure trough of 29.7 inches develops from colorado to the
eastern dakotas. as the high builds to 30.7 inches while shifting
to quebec sunday night, a 29.7 inch low pressure will organize
along the trough over the eastern dakotas. this low will deepen to
29.6 inches while tracking northeast to northern ontario monday
night. its associated cold front will sail across lake superior
monday night and tuesday morning. in its wake, high pressure of
30.1 inches will move from the dakotas tuesday evening to the
middle mississippi valley on wednesday.


lsz162-221545-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
345 am edt sat sep 22 2018 /245 am cdt sat sep 22 2018/

.early this morning...west winds 5 to 15 knots. waves calm to
2 feet. 
.today...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a slight chance of showers by late  
afternoon. waves building to 5 to 8 feet occasionally to 10 feet, 
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...southwest winds 20 to 30 knots backing northeast after
midnight, then veering east late. a chance of showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
6 to 9 feet occasionally to 11 feet. 
.sunday...east winds to 30 knots with a few gale force gusts to
35 knots possible. a chance of showers. waves building to 7 to
10 feet occasionally to 13 feet. 
.sunday night...east winds 20 to 30 knots becoming southeast
10 to 20 knots after midnight. a chance of showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.monday...south winds 10 to 20 knots. waves subsiding to 2 to
4 feet. 
.monday night...south winds 10 to 20 knots becoming west 5 to
15 knots after midnight. a chance of showers. waves subsiding to
calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. waves building to 1 to
3 feet. 
.wednesday...west winds 5 to 15 knots becoming south 10 to
20 knots. a chance of showers. waves building to 2 to 4 feet. 

$$
fzus63 kmqt 220745
glfls 
expires:201809221545;;023086

open lake forecast for lake superior
national weather service marquette mi
345 am edt sat sep 22 2018

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...as high pressure of 30.3 inches over southwest
wisconsin moves to the lower great lakes by this evening, a 30.2
inch low pressure trough over northern ontario will drop south,
crossing lake superior tonight. in its wake, 30.5 inch high
pressure will build over northern ontario tonight and sunday as a
low pressure trough of 29.7 inches develops from colorado to the
eastern dakotas. as the high builds to 30.7 inches while shifting
to quebec sunday night, a 29.7 inch low pressure will organize
along the trough over the eastern dakotas. this low will deepen to
29.6 inches while tracking northeast to northern ontario monday
night. its associated cold front will sail across lake superior
monday night and tuesday morning. in its wake, high pressure of
30.1 inches will move from the dakotas tuesday evening to the
middle mississippi valley on wednesday.


lsz263-221545-
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-
345 am edt sat sep 22 2018

.early this morning...west winds 5 to 15 knots. waves 1 to
3 feet. 
.today...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of showers by late afternoon.
waves building to 5 to 8 feet occasionally to 10 feet, then 
subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northeast winds 20 to 30 knots veering east late. a
chance of rain showers. waves building to 6 to 9 feet
occasionally to 11 feet. 
.sunday...east winds 20 to 30 knots. a few gale force gusts to 35
knots possible in the morning. a chance of rain showers. waves 6 
to 9 feet occasionally to 11 feet.
.sunday night...east winds 20 to 30 knots becoming southeast
15 to 25 knots after midnight. a chance of showers. waves
subsiding to 4 to 8 feet occasionally to 10 feet. 
.monday...southeast winds 15 to 25 knots veering south by mid
afternoon. waves building to 6 to 9 feet occasionally to 11 feet,
then subsiding to 4 to 7 feet occasionally to 9 feet. 
.monday night...south winds 10 to 20 knots veering west after
midnight. a chance of showers. waves subsiding to 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.wednesday...west winds 10 to 20 knots backing southwest. a
chance of showers. waves building to 2 to 4 feet, then subsiding
to 1 to 3 feet. 

$$

 myiW | Wind & Forecasts | Forums | Classifieds | Membership | Support
like us on facebook 
© Copyright 1999-2018 WeatherFlow, Inc · Contact Us · Ad Marketplace