fzus63 kdtx 191943
glflh 
expires:202606200345;;031929

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt fri jun 19 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...a ridge of high pressure, 29.90 inches, builds in late
tonight through tomorrow morning which will reduce winds speeds
overnight. lighter winds then hold through the weekend. the next
low pressure system, 29.60 inches, will arrive late sunday into
monday morning, bringing renewed rain and thunderstorm chances
along with elevated winds speeds across the southern great lakes.


lhz361-200345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
343 pm edt fri jun 19 2026

.tonight...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.saturday...light and variable winds. waves 2 feet or less. 
.saturday night...west winds 5 to 10 knots veering to the
northwest after midnight. waves 2 feet or less. 
.sunday...west winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...west winds 5 to 10 knots. waves 2 feet or less. 
.monday...northwest winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots backing to the west
early in the evening...then veering to the northwest by midnight.
waves 2 feet or less. 
.wednesday...west winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the evening backing to the north. waves 2 feet or less. 


$$

fzus63 kdtx 191943
glflh 
expires:202606200345;;031930

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt fri jun 19 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...a ridge of high pressure, 29.90 inches, builds in late
tonight through tomorrow morning which will reduce winds speeds
overnight. lighter winds then hold through the weekend. the next
low pressure system, 29.60 inches, will arrive late sunday into
monday morning, bringing renewed rain and thunderstorm chances
along with elevated winds speeds across the southern great lakes.


lhz362-363-200345-
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-
343 pm edt fri jun 19 2026

.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late evening and overnight. waves 3 to 5 feet subsiding to
2 to 4 feet early in the morning. 
.saturday...light and variable winds. waves 2 feet or less. 
.saturday night...light and variable winds becoming west 5 to
10 knots after midnight. waves 2 feet or less. 
.sunday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.sunday night...light and variable winds becoming northeast 5 to
10 knots after midnight. waves 2 feet or less. 
.monday...north winds 5 to 10 knots increasing to 10 to 15 knots.
waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 


$$

fzus63 kdtx 191943
glflh 
expires:202606200345;;031931

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt fri jun 19 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...a ridge of high pressure, 29.90 inches, builds in late
tonight through tomorrow morning which will reduce winds speeds
overnight. lighter winds then hold through the weekend. the next
low pressure system, 29.60 inches, will arrive late sunday into
monday morning, bringing renewed rain and thunderstorm chances
along with elevated winds speeds across the southern great lakes.


lhz462>464-200345-
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-
343 pm edt fri jun 19 2026

.tonight...light and variable winds becoming west 5 to 10 knots
early in the morning. waves 1 to 3 feet. 
.saturday...west winds 5 to 10 knots early in the morning
becoming light and variable. a chance of showers. waves 2 feet or
less. 
.saturday night...light and variable winds. a chance of showers
in the evening. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 
.sunday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less. 
.monday...north winds 10 to 15 knots. a chance of showers. waves
3 to 5 feet. 
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 1 to 3 feet. 
.wednesday...light and variable winds becoming north 5 to
10 knots early in the evening...then becoming light and variable
by midnight. a chance of showers . waves 2 feet or less. 


$$

fzus63 kmkx 191937
glflm 
expires:202606200315;;031753

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt fri jun 19 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...

winds will turn south this afternoon, as weak low pressure around
29.8 inches approaches the lake. it crosses northern portions of 
the lake later tonight with nearly calm winds, with southwest to 
west winds developing further to the south. generally light winds 
are expected saturday into saturday night with high pressure 
around 30.0 inches moving through.

low pressure around 29.5 inches should track eastward from the 
central great plains on sunday, reaching central illinois 
early sunday evening, then into ohio by monday. east winds 
overspread lake michigan sunday, becoming gusty over southern 
portions of the lake and turning northeast later sunday into 
sunday night. winds turn north and remain gusty into monday, 
particularly over southern portions of the lake. at this time,
winds look to remain below gale force over southern portions of
the lake.

lighter winds return tuesday and wednesday, as high pressure
around 30.1 inches builds into the region.


lmz261-362-364-366-563-565-567-868-200315-
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-
237 pm cdt fri jun 19 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt. scattered showers and
slight chance of thunderstorms. waves 1 to 3 ft. 
.saturday...southwest winds 10 to 15 kt becoming west. waves 1 to
3 ft. 
.saturday night...west winds 10 to 15 kt veering to northeast.
waves 1 to 2 ft. 
.sunday...northeast winds 5 to 10 kt becoming east. waves 1 ft or
less. 
.sunday night...northeast winds 10 to 20 kt increasing to 15 to
25 kt. chance of showers in the evening. waves 1 to 3 ft building
to 3 to 5 ft. 
.monday...north winds 15 to 25 kt increasing to 30 kt. waves 4 to
6 ft occasionally to 8 ft. 
.monday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.tuesday...north winds 10 to 15 kt becoming northwest. waves 1 to
2 ft. 
.wednesday...east winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 191937
glflm 
expires:202606200315;;031754

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt fri jun 19 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...

winds will turn south this afternoon, as weak low pressure around
29.8 inches approaches the lake. it crosses northern portions of 
the lake later tonight with nearly calm winds, with southwest to 
west winds developing further to the south. generally light winds 
are expected saturday into saturday night with high pressure 
around 30.0 inches moving through.

low pressure around 29.5 inches should track eastward from the 
central great plains on sunday, reaching central illinois 
early sunday evening, then into ohio by monday. east winds 
overspread lake michigan sunday, becoming gusty over southern 
portions of the lake and turning northeast later sunday into 
sunday night. winds turn north and remain gusty into monday, 
particularly over southern portions of the lake. at this time,
winds look to remain below gale force over southern portions of
the lake.

lighter winds return tuesday and wednesday, as high pressure
around 30.1 inches builds into the region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-200315-
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-
237 pm cdt fri jun 19 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 15 kt becoming west 10 to 20 kt.
scattered showers and slight chance of thunderstorms. waves 2 to
4 ft. 
.saturday...west winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday night...south winds 5 to 10 kt backing to northeast.
waves 1 to 2 ft. 
.sunday...east winds 10 to 15 kt increasing to 30 kt in the
afternoon. chance of showers. waves 1 ft or less building to 1 to
3 ft. 
.sunday night...northeast winds to 30 kt. chance of showers. 
waves 4 to 7 ft occasionally to 9 ft. 
.monday...northeast winds to 30 kt becoming north. waves 5 to
8 ft occasionally to 10 ft. 
.monday night...north winds to 30 kt diminishing to 10 to 20 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt becoming southeast 10 to
20 kt. chance of showers. waves 1 to 2 ft.  

$$

fzus63 kmqt 192001
glfls 
expires:202606200800;;032379

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri jun 19 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... 

pressure over lake superior remains at 29.8 to 29.9 inches the rest 
of this afternoon into saturday morning. ridging over the mid-
mississippi valley builds to 30.0 inches tonight into saturday, 
supporting weak 29.9 inches ridging over lake superior by saturday 
afternoon. ridging continues into monday, when it builds to 30.1 
inches and then 30.2 inches by tuesday morning. a weak 30.0 inch low 
moves through the great lakes on wednesday. 




lsz162-200800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt fri jun 19 2026 /301 pm cdt fri jun 19 2026/

.late this afternoon...southwest winds 5 to 15 knots. a chance of
showers and a slight chance of thunderstorms. waves calm to
2 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight. a slight chance of thunderstorms through midnight. a
slight chance of rain showers. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest in the
afternoon, then veering west late. a slight chance of rain
showers. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots veering northwest
after midnight, then diminishing to less than 10 knots late.
waves calm to 2 feet. 
.sunday...north winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds less than 10 knots becoming north 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...north winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. a chance of rain
showers. waves calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots becoming north less
than 10 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 192001
glfls 
expires:202606200800;;032380

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri jun 19 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... 

pressure over lake superior remains at 29.8 to 29.9 inches the rest 
of this afternoon into saturday morning. ridging over the mid-
mississippi valley builds to 30.0 inches tonight into saturday, 
supporting weak 29.9 inches ridging over lake superior by saturday 
afternoon. ridging continues into monday, when it builds to 30.1 
inches and then 30.2 inches by tuesday morning. a weak 30.0 inch low 
moves through the great lakes on wednesday. 




lsz263-200800-
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-
401 pm edt fri jun 19 2026

.late this afternoon...southwest winds 10 to 20 knots. a slight
chance of showers. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight, then diminishing to less than 10 knots late. a slight
chance of rain showers. waves subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots. a slight chance of showers
and thunderstorms. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.sunday...west winds less than 10 knots veering northeast by mid
afternoon. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots backing north after
midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.tuesday...northeast winds less than 10 knots veering east. waves
calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots becoming northwest
less than 10 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 192001
glfls 
expires:202606200800;;032381

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri jun 19 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... 

pressure over lake superior remains at 29.8 to 29.9 inches the rest 
of this afternoon into saturday morning. ridging over the mid-
mississippi valley builds to 30.0 inches tonight into saturday, 
supporting weak 29.9 inches ridging over lake superior by saturday 
afternoon. ridging continues into monday, when it builds to 30.1 
inches and then 30.2 inches by tuesday morning. a weak 30.0 inch low 
moves through the great lakes on wednesday. 




lsz264-200800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt fri jun 19 2026

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots becoming west less than
10 knots after midnight, then backing southwest late. a slight
chance of showers after midnight. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots. a slight chance of rain
showers through early afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight, then veering northwest late. waves
calm to 2 feet. 
.sunday...west winds less than 10 knots. waves calm to 2 feet. 
.sunday night...northwest winds less than 10 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering northwest after
midnight. waves calm to 2 feet. 
.tuesday...southwest winds less than 10 knots backing east. waves
calm to 2 feet. 
.wednesday...east winds less than 10 knots backing northwest.
waves calm to 2 feet. 

$$

fzus63 kmqt 192001
glfls 
expires:202606200800;;032382

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri jun 19 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... 

pressure over lake superior remains at 29.8 to 29.9 inches the rest 
of this afternoon into saturday morning. ridging over the mid-
mississippi valley builds to 30.0 inches tonight into saturday, 
supporting weak 29.9 inches ridging over lake superior by saturday 
afternoon. ridging continues into monday, when it builds to 30.1 
inches and then 30.2 inches by tuesday morning. a weak 30.0 inch low 
moves through the great lakes on wednesday. 




lsz265-200800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt fri jun 19 2026

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southwest winds 5 to 15 knots backing south after
midnight, then veering southwest late. a slight chance of
showers. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots veering northwest late. a
chance of showers. a slight chance of thunderstorms by mid
afternoon. waves calm to 2 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...north winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots backing northwest after
midnight. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 192001
glfls 
expires:202606200800;;032383

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri jun 19 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... 

pressure over lake superior remains at 29.8 to 29.9 inches the rest 
of this afternoon into saturday morning. ridging over the mid-
mississippi valley builds to 30.0 inches tonight into saturday, 
supporting weak 29.9 inches ridging over lake superior by saturday 
afternoon. ridging continues into monday, when it builds to 30.1 
inches and then 30.2 inches by tuesday morning. a weak 30.0 inch low 
moves through the great lakes on wednesday. 




lsz266-200800-
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-
401 pm edt fri jun 19 2026

.late this afternoon...west winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots veering northwest late.
a slight chance of rain showers. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots veering northwest
late. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...northwest winds 10 to 20 knots. waves calm to 2 feet. 
.monday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots veering east. waves calm
to 2 feet. 
.wednesday...north winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 192001
glfls 
expires:202606200800;;032384

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri jun 19 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... 

pressure over lake superior remains at 29.8 to 29.9 inches the rest 
of this afternoon into saturday morning. ridging over the mid-
mississippi valley builds to 30.0 inches tonight into saturday, 
supporting weak 29.9 inches ridging over lake superior by saturday 
afternoon. ridging continues into monday, when it builds to 30.1 
inches and then 30.2 inches by tuesday morning. a weak 30.0 inch low 
moves through the great lakes on wednesday. 




lsz267-200800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt fri jun 19 2026

.late this afternoon...west winds 10 to 20 knots. waves 2 to
4 feet. 
.tonight...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...northwest winds 10 to 20 knots. waves building to 1 to
3 feet. 
.monday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 

$$