• 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 142214
nshdlh
expires:202605150400;;567545

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz148-150400-
oak point to saxon harbor wi-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through friday evening...

.tonight...south wind 10 to 15 knots with gusts to around
25 knots rising to 15 to 20 knots with gales to around 35 knots
late in the night. slight chance of rain showers early in the
evening, then chance of rain showers in the late evening and
early morning. slight chance of rain showers late in the night.
waves 1 to 2 feet building to 1 to 3 feet after midnight. 
.friday...southwest wind 15 to 20 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
in the late morning and afternoon. sunny. waves 1 to 3 feet
subsiding to 1 to 2 feet in the late morning and afternoon. a
gale warning may be needed. 
.friday night...southwest wind 10 to 15 knots with gusts to
around 25 knots easing to 5 to 10 knots after midnight. mostly
clear. waves 1 to 2 feet. 
.saturday...southwest wind 5 to 10 knots becoming northwest in
the late morning and afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567541

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz146-150400-
port wing to sand island wi-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through friday evening...

.tonight...east wind 10 to 15 knots with gusts to around 20 knots
becoming southeast with gusts to around 20 knots late in the
evening, then becoming southwest with gusts to around 30 knots
after midnight. chance of rain showers until early morning. waves
1 to 2 feet. 
.friday...southwest wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late in the afternoon. sunny. waves 1 to
2 feet building to 2 to 4 feet in the afternoon. 
.friday night...southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight. gusts up to 30 knots. mostly clear.
waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. 
.saturday...west wind 5 to 10 knots. sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567542

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz147-150400-
sand island to bayfield wi-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through friday evening...

.tonight...southeast wind 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 30 knots in the late
evening and overnight. chance of rain showers until early
morning. waves 1 to 2 feet. 
.friday...southwest wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late in the afternoon. sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.friday night...southwest wind 15 to 20 knots with gusts to
around 30 knots easing to 10 knots early in the morning. mostly
clear. waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
.saturday...west wind 5 to 10 knots. sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567544

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz121-150400-
chequamegon bay-bayfield to oak point wi-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through friday evening...

.tonight...south wind 15 to 20 knots with gusts to around
30 knots. chance of rain showers until early morning. waves 1 to
2 feet. 
.friday...southwest wind 10 to 15 knots. gusts up to 30 knots
decreasing to 25 knots in the late morning and afternoon. sunny.
waves 1 to 2 feet. 
.friday night...southwest wind 10 to 15 knots with gusts to
around 25 knots easing to 5 to 10 knots with gusts to around
20 knots in the late evening and overnight. mostly clear. waves
1 to 2 feet. 
.saturday...west wind 5 to 10 knots becoming northwest late in
the afternoon. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567535

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz140-150400-
grand portage to grand marais mn-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through late friday night...

.tonight...east wind 10 to 15 knots becoming south 15 to 20 knots
after midnight. gusts up to 25 knots. chance of rain showers late
in the evening. rain showers likely after midnight, then chance
of rain showers late in the night. waves 4 to 7 feet. waves
occasionally to 9 feet. 
.friday...southwest wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the afternoon. partly sunny in the
morning then clearing. waves 4 to 7 feet. waves occasionally to
9 feet. 
.friday night...southwest wind 15 to 20 knots with gusts to
around 25 knots becoming west 5 to 10 knots with gusts to around
20 knots after midnight. mostly clear. waves 4 to 6 feet
subsiding to 2 to 4 feet after midnight. waves occasionally to
8 feet. 
.saturday...west wind 10 to 15 knots. gusts up to 25 knots.
sunny. waves 1 to 3 feet. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567536

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz141-150400-
grand marais to taconite harbor mn-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through friday evening...

.tonight...east wind 10 to 15 knots with gusts to around 20 knots
becoming southeast after midnight. chance of rain showers until
early morning. waves 1 to 2 feet building to 2 to 4 feet in the
late evening and overnight. 
.friday...southwest wind 10 to 15 knots. gusts up to 25 knots.
mostly sunny. waves 1 to 3 feet building to 3 to 5 feet in the
afternoon. 
.friday night...west wind 10 to 15 knots. gusts up to 25 knots.
mostly clear. waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight. 
.saturday...west wind 5 to 10 knots. gusts up to 25 knots. sunny.
waves 1 to 2 feet. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567537

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz142-150400-
taconite harbor to silver bay harbor mn-
514 pm cdt thu may 14 2026

...small craft advisory in effect from 10 pm cdt this evening
through friday evening...

.tonight...northeast wind 10 to 15 knots becoming south 5 to
10 knots late in the night. chance of rain showers until early
morning. waves 1 to 3 feet. 
.friday...southwest wind 10 to 15 knots. gusts up to 25 knots.
sunny. waves 1 to 2 feet building to 1 to 3 feet in the
afternoon. 
.friday night...west wind 10 to 15 knots. gusts up to 25 knots
early in the evening. mostly clear. waves 1 to 3 feet subsiding
to 1 to 2 feet in the late evening and overnight. 
.saturday...west wind 5 to 10 knots. gusts up to 20 knots early
in the morning. sunny. waves 1 foot or less. 

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567538

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz143-150400-
silver bay harbor to two harbors mn-
514 pm cdt thu may 14 2026

...small craft advisory in effect through friday evening...

.tonight...east wind 10 to 15 knots with gusts to around 20 knots
becoming southwest with gusts to around 20 knots late in the
night. chance of rain showers in the evening, then slight chance
of rain showers after midnight. waves 1 to 3 feet. 
.friday...southwest wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the afternoon. sunny. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.friday night...southwest wind 10 to 15 knots. gusts up to
25 knots. mostly clear. waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight. 
.saturday...west wind 5 to 10 knots. sunny. waves 1 foot or less.

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567539

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz144-150400-
two harbors to duluth mn-
514 pm cdt thu may 14 2026

...small craft advisory in effect through friday evening...

.tonight...east wind 10 to 15 knots with gusts to around 25 knots
becoming south with gusts to around 25 knots after midnight.
chance of rain showers in the evening, then slight chance of rain
showers after midnight. waves 1 to 3 feet. 
.friday...southwest wind 15 to 20 knots. gusts up to 20 knots
increasing to 30 knots. sunny. waves 1 to 3 feet building to 2 to
4 feet in the afternoon. 
.friday night...southwest wind 10 to 15 knots. gusts up to
25 knots. mostly clear. waves 1 to 3 feet subsiding to 1 to
2 feet in the late evening and overnight. 
.saturday...west wind 5 to 10 knots. sunny. waves 1 foot or less.

$$
fzus53 kdlh 142214
nshdlh
expires:202605150400;;567540

nearshore marine forecast
national weather service duluth mn
514 pm cdt thu may 14 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.


lsz145-150400-
duluth mn to port wing wi-
514 pm cdt thu may 14 2026

...small craft advisory in effect through friday evening...

.tonight...east wind 5 to 10 knots with gusts to around 25 knots
becoming southwest 10 to 15 knots with gusts to around 30 knots
late in the night. chance of rain showers in the evening, then
slight chance of rain showers after midnight. waves 1 to 3 feet. 
.friday...southwest wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the afternoon. sunny. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.friday night...southwest wind 10 to 15 knots. gusts up to
30 knots. mostly clear. waves 2 to 4 feet subsiding to 1 to
2 feet in the late evening and overnight. 
.saturday...west wind 5 to 10 knots. sunny. waves 1 foot or less.

$$
fzus53 kmqt 142103
nshmqt
expires:202605150800;;564459

nearshore marine forecast
national weather service marquette mi
503 pm edt thu may 14 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.


lsz242-150800-
ontonagon to upper entrance of portage canal mi-
503 pm edt thu may 14 2026

...small craft advisory in effect from midnight edt tonight
through friday morning...

.late this afternoon...east wind 10 to 15 knots. mostly sunny.
waves calm to 1 foot building to 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots veering south 15 to
20 knots by midnight. gusts up to 27 knots. cloudy. a slight
chance of showers by midnight. showers late. waves building to
2 to 3 feet. 
.friday...south wind 15 to 20 knots veering southwest by late
morning. gusts up to 27 knots. sunny. waves building to 2 to
4 feet. 
.friday night...southwest wind 10 to 20 knots. clear. waves 2 to
4 feet. 
.saturday...west wind 10 to 15 knots. sunny. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
3 feet. 

$$
fzus53 kmqt 142103
nshmqt
expires:202605150800;;564457

nearshore marine forecast
national weather service marquette mi
503 pm edt thu may 14 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.


lsz240-241-150800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
503 pm edt thu may 14 2026 /403 pm cdt thu may 14 2026/

...small craft advisory in effect from midnight edt /11 pm cdt/
tonight through friday morning...

.late this afternoon...southeast wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...south wind 10 to 20 knots with gusts up to 31 knots. a
slight chance of showers through late evening, then showers
likely by midnight. a chance of showers late. waves building to
2 to 4 feet, then subsiding to 2 to 3 feet. 
.friday...southwest wind 15 to 20 knots diminishing to 10 to
15 knots by late morning. gusts up to 29 knots. sunny. waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet. 
.friday night...southwest wind 10 to 15 knots with gusts up to
22 knots. clear. waves subsiding to 1 to 2 feet, then building to
2 to 3 feet. 
.saturday...west wind 5 to 15 knots. sunny. waves building to
2 to 3 feet, then subsiding to 1 to 2 feet. 

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