fzus61 kbuf 241402
glflo 
expires:202606242100;;828338

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed jun 24 2026

for waters beyond five nautical miles of shore on lake ontario

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...a 30.2 inch high over michigan will slide east across 
the ohio valley this afternoon, before drifting to the eastern 
seaboard tonight and thursday. a weak 29.9 inch low is forecast to 
move from the central great lakes thursday to southern quebec 
friday, then the canadian maritimes saturday. a 30.0 inch high will 
then build across the lower great lakes this weekend.


loz063>065-242100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed jun 24 2026

.this afternoon...west winds 5 to 15 knots. waves 2 feet or less. 
.tonight...west winds 5 to 15 knots becoming south less than
10 knots. waves 2 feet or less. 
.thursday...south winds 10 knots or less becoming east. showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 foot or less. 
.thursday night...east winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 1 foot or less. 
.friday...west winds 10 knots or less becoming northwest. a
chance of showers during the day. waves 2 feet or less. 
.saturday...north winds 10 knots or less becoming west. waves
1 foot or less. 
.sunday...northwest winds less than 10 knots. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 241402
glflo 
expires:202606242100;;828337

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed jun 24 2026

for waters beyond five nautical miles of shore on lake ontario

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...a 30.2 inch high over michigan will slide east across 
the ohio valley this afternoon, before drifting to the eastern 
seaboard tonight and thursday. a weak 29.9 inch low is forecast to 
move from the central great lakes thursday to southern quebec 
friday, then the canadian maritimes saturday. a 30.0 inch high will 
then build across the lower great lakes this weekend.


loz062-242100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed jun 24 2026

.this afternoon...west winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 10 knots or less becoming south. waves
1 foot or less. 
.thursday...southeast winds 10 knots or less becoming east.
showers in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 foot or less. 
.thursday night...east winds 5 to 10 knots becoming west. showers
with a chance of thunderstorms in the evening, then a chance of
showers overnight. waves 1 foot or less. 
.friday...west winds 10 knots or less becoming north. waves
1 foot or less. 
.saturday...north winds less than 10 knots becoming northwest.
waves 1 foot or less. 
.sunday...north winds less than 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 241622
glfle 
expires:202606242015;;833062

open lake forecast for lake erie
national weather service cleveland oh
1222 pm edt wed jun 24 2026

for waters beyond five nautical miles of shore on lake erie

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 of 30.10 inches will persist over the region 
today. weak low pressure of 29.90 inches will move east through 
the great lakes on thursday and extend a cold front across the 
area thursday night. the front will stall south of lake erie on
friday before settling south over the weekend. high pressure of 
30.10 inches will build from the central great lakes through new
england through sunday.


lez165>168-242015-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
1222 pm edt wed jun 24 2026

.this afternoon...west winds less than 10 knots becoming north.
waves 1 foot or less. 
.tonight...east winds 5 to 10 knots becoming south. a chance of
showers with a slight chance of thunderstorms after midnight.
waves 2 feet or less. 
.thursday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely in the morning, then a chance of showers
and thunderstorms in the afternoon. waves 1 to 3 feet. 
.thursday night...southwest winds 5 to 10 knots becoming west. a
chance of showers and thunderstorms in the evening. waves 2 feet
or less. 
.friday...northwest winds 10 knots or less becoming northeast. a
chance of showers. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots. waves 1 foot or less. 
.sunday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 241622
glfle 
expires:202606242015;;833061

open lake forecast for lake erie
national weather service cleveland oh
1222 pm edt wed jun 24 2026

for waters beyond five nautical miles of shore on lake erie

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 of 30.10 inches will persist over the region 
today. weak low pressure of 29.90 inches will move east through 
the great lakes on thursday and extend a cold front across the 
area thursday night. the front will stall south of lake erie on
friday before settling south over the weekend. high pressure of 
30.10 inches will build from the central great lakes through new
england through sunday.


lez162>164-242015-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
1222 pm edt wed jun 24 2026

.this afternoon...southeast winds 10 knots or less becoming east.
waves 1 foot or less. 
.tonight...southeast winds 5 to 10 knots becoming southwest. a
slight chance of showers and thunderstorms late in the evening. a
chance of showers with a slight chance of thunderstorms after
midnight, then showers with a slight chance of thunderstorms
late. waves 1 foot or less. 
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely in the morning, then a chance of showers
and thunderstorms in the afternoon. waves 1 to 2 feet. 
.thursday night...west winds 5 to 15 knots becoming northwest. a
chance of showers and thunderstorms in the evening. waves 1 foot
or less. 
.friday...north winds 5 to 10 knots becoming northeast. a chance
of showers. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.sunday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 241622
glfle 
expires:202606242015;;833063

open lake forecast for lake erie
national weather service cleveland oh
1222 pm edt wed jun 24 2026

for waters beyond five nautical miles of shore on lake erie

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 of 30.10 inches will persist over the region 
today. weak low pressure of 29.90 inches will move east through 
the great lakes on thursday and extend a cold front across the 
area thursday night. the front will stall south of lake erie on
friday before settling south over the weekend. high pressure of 
30.10 inches will build from the central great lakes through new
england through sunday.


lez061-169-242015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1222 pm edt wed jun 24 2026

.this afternoon...west winds 5 to 10 knots. waves 1 foot or less. 
.tonight...west winds 10 knots or less becoming southeast. a
slight chance of showers after midnight. a chance of showers with
a slight chance of thunderstorms late. waves 1 foot or less. 
.thursday...south winds 10 to 15 knots becoming southwest.
showers likely in the morning, then showers likely with a chance
of thunderstorms in the afternoon. waves 2 feet or less. 
.thursday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms in the evening, then a chance of
showers overnight. waves 2 feet or less. 
.friday...west winds 10 knots or less becoming northeast. a
chance of showers friday night. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less. waves 1 foot or
less. 
.sunday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 241341
glfsc 
expires:202606242145;;827874

lake st clair forecast
national weather service detroit/pontiac mi
941 am edt wed jun 24 2026

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, 30.20 inches, will build into the great
lakes region, producing light winds through wednesday. low
pressure, 29.90 inches will move toward lower michigan thursday
bringing a slight increase in winds speeds as they become south
or southwest.


lcz460-242145-
lake st clair-
941 am edt wed jun 24 2026

.rest of today...south winds 5 to 10 knots becoming southeast 10 to
15 knots late in the afternoon. partly sunny. waves 2 feet or less.
.tonight...south winds 5 to 10 knots. a chance of light showers in
the evening. a chance of thunderstorms. showers after midnight.
waves 2 feet or less.
.thursday...south winds 10 to 15 knots becoming southwest 5 to 10
knots in the late morning and afternoon. partly sunny. a chance of
showers until late afternoon...then a chance of showers and
thunderstorms early in the afternoon. waves 2 feet or less.
.thursday night...northwest winds 5 to 10 knots. partly cloudy. a
chance of showers and thunderstorms early in the evening. waves 2
feet or less.
.friday...northeast winds 5 to 10 knots. partly sunny in the
morning...then a chance of light showers in the afternoon. partly
cloudy in the evening. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.sunday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 241341
glflh 
expires:202606242145;;827875

open lake forecast for lake huron
national weather service detroit/pontiac mi
941 am edt wed jun 24 2026

for waters beyond five nautical miles off shore on lake huron

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, 30.20 inches, will build into the great
lakes region, producing light winds through wednesday. low
pressure, 29.90 inches will move toward lower michigan thursday
bringing a slight increase in winds speeds as they become south
or southwest.


lhz361-242145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
941 am edt wed jun 24 2026

.rest of today...light and variable winds becoming southeast 5 to
10 knots late in the afternoon. a chance of showers in the
afternoon. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots. a chance of showers. waves
2 feet or less. 
.thursday...east winds 5 to 10 knots. a chance of showers in the
morning. waves 2 feet or less. 
.thursday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.friday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 
.sunday...light and variable winds becoming east 5 to 10 knots in
the late morning and early afternoon...then becoming southeast
10 to 15 knots . a chance of showers by midnight. waves 2 feet or
less building to 3 to 5 feet . 


$$

fzus63 kdtx 241341
glflh 
expires:202606242145;;827876

open lake forecast for lake huron
national weather service detroit/pontiac mi
941 am edt wed jun 24 2026

for waters beyond five nautical miles off shore on lake huron

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, 30.20 inches, will build into the great
lakes region, producing light winds through wednesday. low
pressure, 29.90 inches will move toward lower michigan thursday
bringing a slight increase in winds speeds as they become south
or southwest.


lhz362-363-242145-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
941 am edt wed jun 24 2026

.rest of today...light and variable winds becoming southeast 5 to
10 knots in the afternoon. a chance of showers in the afternoon.
waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots. a chance of showers in
the evening...then showers likely after midnight. waves 2 feet or
less. 
.thursday...east winds 5 to 10 knots backing to the north in the
late morning and afternoon. a chance of showers. waves 1 to
3 feet. 
.thursday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.friday...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 
.sunday...light and variable winds becoming east 5 to 10 knots .
a chance of. waves 2 feet or less. 


$$

fzus63 kdtx 241341
glflh 
expires:202606242145;;827877

open lake forecast for lake huron
national weather service detroit/pontiac mi
941 am edt wed jun 24 2026

for waters beyond five nautical miles off shore on lake huron

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, 30.20 inches, will build into the great
lakes region, producing light winds through wednesday. low
pressure, 29.90 inches will move toward lower michigan thursday
bringing a slight increase in winds speeds as they become south
or southwest.


lhz462>464-242145-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
941 am edt wed jun 24 2026

.rest of today...light and variable winds becoming southeast 5 to
10 knots in the afternoon. a chance of showers in the afternoon.
waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. a chance of showers in the
evening...then showers likely after midnight. waves 2 feet or
less. 
.thursday...south winds 5 to 10 knots backing to the north early
in the afternoon. a chance of showers in the morning...then a
chance of showers and thunderstorms in the afternoon. waves 1 to
3 feet. 
.thursday night...north winds 5 to 10 knots. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.saturday...light and variable winds becoming north 5 to
10 knots. waves 2 feet or less. 
.sunday...light and variable winds becoming east 5 to 10 knots.
waves 2 feet or less. 


$$

fzus63 kmkx 241414
glflm 
expires:202606242115;;829054

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
914 am cdt wed jun 24 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

weak low pressure around 29.9 inches in northern minnesota this 
morning will result in southerly winds across the lake today. as 
this system pushes eastward through northern wi this evening we 
expect winds to decelerate, turning east over northern portions of
the lake and remaining south over the southern half. showers and 
thunderstorms are expected at times today and tonight with the 
passage of this system. 

light northwesterly winds are expected thursday as low pressure 
departs eastward. high pressure around 30.1 inches over ontario 
and the western great lakes will dominate friday through saturday 
with light north to northeast winds likely. sunday, low pressure 
deepens to 29.4 inches over the central plains, bringing breezy 
southeasterly winds to the lake. winds turn southerly and 
strengthen into monday as low pressure exits into the canadian 
prairies. on and off thunderstorms become more likely during this 
time.


lmz080-669-671-673-675-777-779-870-872-874-876-878-242115-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
914 am cdt wed jun 24 2026

sheboygan wi to pentwater mi south...

.rest of today...south winds 10 to 20 kt increasing to 15 to
25 kt. showers with a chance of thunderstorms late this morning,
then showers likely with a chance of thunderstorms this
afternoon. waves 2 to 4 ft. 
.tonight...south winds 10 to 20 kt becoming west 10 to 15 kt.
chance of showers and thunderstorms in the evening. patchy fog
overnight. waves 2 to 4 ft subsiding to 1 to 3 ft.
.thursday...west winds 5 to 10 kt veering to north 10 to 15 kt.
waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.friday night...northeast winds 10 to 20 kt diminishing to 5 to
10 kt. waves 1 to 3 ft. 
.saturday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
waves 1 to 2 ft. 
.sunday...southeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 241414
glflm 
expires:202606242115;;829053

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
914 am cdt wed jun 24 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

weak low pressure around 29.9 inches in northern minnesota this 
morning will result in southerly winds across the lake today. as 
this system pushes eastward through northern wi this evening we 
expect winds to decelerate, turning east over northern portions of
the lake and remaining south over the southern half. showers and 
thunderstorms are expected at times today and tonight with the 
passage of this system. 

light northwesterly winds are expected thursday as low pressure 
departs eastward. high pressure around 30.1 inches over ontario 
and the western great lakes will dominate friday through saturday 
with light north to northeast winds likely. sunday, low pressure 
deepens to 29.4 inches over the central plains, bringing breezy 
southeasterly winds to the lake. winds turn southerly and 
strengthen into monday as low pressure exits into the canadian 
prairies. on and off thunderstorms become more likely during this 
time.


lmz261-362-364-366-563-565-567-868-242115-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
914 am cdt wed jun 24 2026

sheboygan wi to pentwater mi north...

.rest of today...south winds 10 to 20 kt increasing to 15 to
25 kt. chance of showers and slight chance of thunderstorms.
waves 2 to 4 ft. 
.tonight...southeast winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then diminishing to 5 to 10 kt after
midnight becoming east late. patchy fog. chance of showers and
slight chance of thunderstorms. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.thursday...northeast winds 5 to 10 kt becoming north 10 to
15 kt. patchy fog in the morning. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 ft or less. 
.friday...northeast winds 5 to 10 kt becoming north 10 to 20 kt
in the afternoon. waves 1 to 2 ft. 
.friday night...northeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
waves 1 to 2 ft. 
.sunday...southeast winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828274

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz267-242000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am edt wed jun 24 2026

.rest of today...east winds 5 to 15 knots. a slight chance of
showers. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots backing northeast after
midnight. patchy fog. a slight chance of rain showers. waves calm
to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northwest 10 to
20 knots in the afternoon. patchy fog through early afternoon. a
slight chance of showers through early afternoon. waves calm to
2 feet. 
.thursday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...northeast winds 5 to 15 knots veering southeast.
waves calm to 2 feet. 
.sunday...southeast winds 10 to 20 knots increasing to 15 to
25 knots. a chance of showers. waves building to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828269

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz162-242000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt wed jun 24 2026 /900 am cdt wed jun 24 2026/

.rest of today...northeast winds 5 to 15 knots increasing to
10 to 20 knots in the afternoon. a slight chance of showers and
thunderstorms. waves calm to 2 feet building to 1 to 3 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a slight chance of rain showers through
midnight. patchy fog after midnight. waves subsiding to calm to
2 feet. 
.thursday...northeast winds 5 to 15 knots veering southwest in
the afternoon, then veering north late. patchy fog through early
afternoon. waves calm to 2 feet. 
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...north winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...northeast winds 10 to 20 knots veering east. a chance
of rain showers. waves building to 1 to 3 feet. 
.sunday...east winds 20 to 30 knots. a chance of showers. a
chance of thunderstorms. showers likely. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828273

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz266-242000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 am edt wed jun 24 2026

.rest of today...southeast winds 5 to 15 knots backing east in
the afternoon. a chance of showers. a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight, then backing northeast late. a slight chance of
rain showers. patchy fog after midnight. waves calm to 2 feet. 
.thursday...north winds 10 to 20 knots becoming northwest 5 to
15 knots in the afternoon. patchy fog through early afternoon.
waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.friday...north winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots veering southeast. waves
calm to 2 feet. 
.sunday...southeast winds 15 to 25 knots increasing to 20 to
30 knots. a chance of showers. waves building to 4 to 7 feet
occasionally to 9 feet. 

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828272

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz265-242000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am edt wed jun 24 2026

.rest of today...southeast winds 10 to 20 knots becoming east
15 to 25 knots in the afternoon. showers likely and a slight
chance of thunderstorms. waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight, then backing northeast late. patchy fog. a slight
chance of showers after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.friday...north winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots veering southeast. waves
calm to 2 feet. 
.sunday...southeast winds 20 to 30 knots. showers likely. waves
building to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828271

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz264-242000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am edt wed jun 24 2026

.rest of today...east winds 5 to 15 knots. a chance of showers
and a slight chance of thunderstorms. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots backing northeast late.
patchy fog. waves calm to 2 feet. 
.thursday...north winds less than 10 knots backing northwest in
the afternoon, then becoming west 5 to 15 knots late. patchy fog
through early afternoon. waves calm to 2 feet. 
.thursday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.friday...west winds less than 10 knots backing east by mid
afternoon. waves calm to 2 feet. 
.friday night...east winds less than 10 knots. waves calm to
2 feet. 
.saturday...east winds 5 to 15 knots veering southeast. waves
calm to 2 feet. 
.sunday...southeast winds 15 to 25 knots. showers likely. waves
building to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 241401
glfls 
expires:202606242000;;828270

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed jun 24 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... 

a 29.9 inch low centered over northeast mn drops southeast this 
afternoon, tracking along the up/wi border into the early evening 
before moving through lower michigan towards the st. lawrence seaway 
tonight into thursday. as the clipper leaves the upper midwest, 
expect weak 30.0 inch ridging to return to lake superior on 
thursday, building to 30.1 inches by friday morning and remaining 
that way into saturday to potentially even sunday. meanwhile late 
this weekend, a 29.2 inch low lifts from the rockies towards the 
northern plains and canadian prairies. 




lsz263-242000-
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-
1000 am edt wed jun 24 2026

.rest of today...east winds 5 to 15 knots becoming northeast
10 to 20 knots in the afternoon. a chance of showers and a slight
chance of thunderstorms. waves calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. patchy fog. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northwest less
than 10 knots in the afternoon. patchy fog through early
afternoon. waves calm to 2 feet. 
.thursday night...west winds less than 10 knots. waves calm to
2 feet. 
.friday...northeast winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...east winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.sunday...east winds 15 to 25 knots veering southeast. a chance
of showers, then showers likely. waves building to 3 to 6 feet
occasionally to 8 feet. 

$$