fzus63 kdtx 190134
glflh 
expires:202606190945;;988706

open lake forecast for lake huron
national weather service detroit/pontiac mi
934 pm edt thu jun 18 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...west to northwest flow persists in the wake of a low 
pressure which is now located across the northeast us. a ridge of 
high pressure, 29.90 inches, builds in late tomorrow through 
sunday morning. this will reduce winds speeds and gust potential 
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.


lhz361-190945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
934 pm edt thu jun 18 2026

.rest of tonight...west winds 10 to 15 knots. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. waves 2 to 4 feet. 
.friday night...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...west winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...west winds 5 to 10 knots. waves 2 feet or less.
.sunday...west winds 5 to 10 knots. waves 2 feet or less. 
.monday...north winds 5 to 10 knots becoming northwest 10 to
15 knots . waves 1 to 3 feet. 
.tuesday...north 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. 


$$

fzus63 kdtx 190134
glflh 
expires:202606190945;;988707

open lake forecast for lake huron
national weather service detroit/pontiac mi
934 pm edt thu jun 18 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...west to northwest flow persists in the wake of a low 
pressure which is now located across the northeast us. a ridge of 
high pressure, 29.90 inches, builds in late tomorrow through 
sunday morning. this will reduce winds speeds and gust potential 
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.


lhz362-363-190945-
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-
934 pm edt thu jun 18 2026

.rest of tonight...west winds 10 to 15 knots. waves 3 to 5 feet. 
.friday...west winds 10 to 15 knots. waves 3 to 5 feet. 
.friday night...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 3 to 5 feet. 
.saturday...west winds 5 to 10 knots early in the morning
becoming light and variable. waves 1 to 3 feet. 
.saturday night...light and variable winds becoming west 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.sunday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming east 5 to 10 knots late in the
evening. waves 2 feet or less. 
.monday...northeast winds 5 to 10 knots becoming north 10 to
15 knots. waves 1 to 3 feet. 
.tuesday...northwest winds 10 to 15 knots becoming light and
variable. waves 2 feet or less. 


$$

fzus63 kdtx 190134
glflh 
expires:202606190945;;988708

open lake forecast for lake huron
national weather service detroit/pontiac mi
934 pm edt thu jun 18 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...west to northwest flow persists in the wake of a low 
pressure which is now located across the northeast us. a ridge of 
high pressure, 29.90 inches, builds in late tomorrow through 
sunday morning. this will reduce winds speeds and gust potential 
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>464-190945-
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-
934 pm edt thu jun 18 2026

.rest of tonight...west winds 10 to 15 knots. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. waves 1 to 3 feet. 
.friday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...west winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.saturday night...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds becoming northeast 5 to
10 knots late in the afternoon. waves 2 feet or less. 
.monday...east winds 10 to 15 knots backing to the north. a
chance of showers early in the morning. waves 2 to 4 feet. 
.tuesday...north winds 10 to 15 knots becoming light and
variable. waves 2 feet or less. 


$$

fzus63 kmkx 190209
glflm 
expires:202606190915;;989980

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt thu jun 18 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...

northwest wind are expected to diminish this evening as low
pressure around 29.3 inches moves northeast through quebec and 
high pressure around 30.0 inches build into the mid mississippi 
valley. light northwest wind are expected through friday morning. 
winds may briefly turn southwesterly friday night as weak low 
pressure around 29.9 inches moves through the region, but high 
pressure will rapidly regain dominance by saturday, keeping winds 
light and variable. stronger low pressure will approach from the 
central plains on sunday, bringing more widespread rain and 
thunderstorms and turning winds to northeasterly. northeast winds 
will continue into early next week.


lmz261-362-364-366-563-565-567-868-190915-
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-
909 pm cdt thu jun 18 2026

sheboygan wi to pentwater mi north...

.rest of tonight...west winds 10 to 20 kt. isolated showers late
this evening. waves 1 to 3 ft. 
.friday...northwest winds 10 to 20 kt becoming southwest. waves
1 to 3 ft. 
.friday night...southwest winds 10 to 15 kt diminishing to 5 to
10 kt. chance of showers in the evening. waves 1 to 3 ft. 
.saturday...west winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.saturday night...northwest winds 10 to 15 kt becoming north.
waves 1 ft or less. 
.sunday...north winds 5 to 10 kt increasing to 10 to 20 kt in the
afternoon. waves 1 to 2 ft. 
.sunday night...northeast winds 10 to 20 kt. waves 1 to 3 ft
building to 3 to 5 ft. 
.monday...north winds 15 to 25 kt increasing to 30 kt. waves 3 to
5 ft. 
.tuesday...north winds 10 to 15 kt becoming northwest. waves 1 to
2 ft.  

$$

fzus63 kmkx 190209
glflm 
expires:202606190915;;989981

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt thu jun 18 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...

northwest wind are expected to diminish this evening as low
pressure around 29.3 inches moves northeast through quebec and 
high pressure around 30.0 inches build into the mid mississippi 
valley. light northwest wind are expected through friday morning. 
winds may briefly turn southwesterly friday night as weak low 
pressure around 29.9 inches moves through the region, but high 
pressure will rapidly regain dominance by saturday, keeping winds 
light and variable. stronger low pressure will approach from the 
central plains on sunday, bringing more widespread rain and 
thunderstorms and turning winds to northeasterly. northeast winds 
will continue into early next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-190915-
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-
909 pm cdt thu jun 18 2026

sheboygan wi to pentwater mi south...

.rest of tonight...west winds 10 to 20 kt. waves 2 to 4 ft. 
.friday...northwest winds 10 to 20 kt backing to south 10 to
15 kt. waves 2 to 4 ft. 
.friday night...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft. 
.saturday...west winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday night...north winds 5 to 10 kt becoming northeast.
waves 1 to 2 ft. 
.sunday...east winds 10 to 15 kt becoming northeast 15 to 25 kt
in the afternoon. chance of showers. waves 1 ft or less building
to 2 to 4 ft. 
.sunday night...northeast winds to 30 kt. chance of showers.
waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft
occasionally to 10 ft. 
.monday...northeast winds to 30 kt becoming north gales to 35 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 3 ft.  

$$

fzus63 kmqt 190201
glfls 
expires:202606190800;;989449

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 18 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 30.0 inch high will build over the mid-mississippi valley tonight 
into saturday, supporting weak 29.9 inches ridging over lake 
superior by saturday. 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 wednesday. 




lsz162-190800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt thu jun 18 2026 /900 pm cdt thu jun 18 2026/

.rest of tonight...west winds 10 to 20 knots diminishing to 5 to
15 knots late. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest in the
afternoon. a chance of showers and a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.friday night...southwest winds 5 to 15 knots veering west after
midnight. a slight chance of showers. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest by mid
afternoon. a slight chance of showers by mid afternoon. waves
calm to 2 feet. 
.saturday night...west winds 5 to 15 knots becoming northwest
less than 10 knots 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...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.monday...northeast winds 5 to 15 knots becoming north less than
10 knots. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 190201
glfls 
expires:202606190800;;989450

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 18 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 30.0 inch high will build over the mid-mississippi valley tonight 
into saturday, supporting weak 29.9 inches ridging over lake 
superior by saturday. 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 wednesday. 




lsz263-190800-
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 pm edt thu jun 18 2026

.rest of tonight...west winds 5 to 15 knots veering northwest
late. waves 1 to 3 feet subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. waves building to 1 to 3 feet. 
.friday night...southwest winds 5 to 15 knots veering west late.
a slight chance of showers through midnight. waves subsiding to
calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest by mid
afternoon. a slight chance of showers. waves calm to 2 feet. 
.saturday night...southwest winds less than 10 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...northwest winds less than 10 knots becoming northeast
5 to 15 knots 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...northeast winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots diminishing to less than
10 knots. a chance of rain showers. waves calm to 2 feet. 

$$

fzus63 kmqt 190201
glfls 
expires:202606190800;;989451

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 18 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 30.0 inch high will build over the mid-mississippi valley tonight 
into saturday, supporting weak 29.9 inches ridging over lake 
superior by saturday. 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 wednesday. 




lsz264-190800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt thu jun 18 2026

.rest of tonight...west winds 5 to 15 knots veering northwest
after midnight. waves 1 to 3 feet subsiding to calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing southwest late.
waves calm to 2 feet. 
.friday night...southwest winds 5 to 15 knots becoming west less
than 10 knots late. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots. a slight chance of 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. waves calm to 2 feet. 
.sunday...west winds less than 10 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...north winds less than 10 knots increasing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing northwest. waves calm
to 2 feet. 
.tuesday...west winds less than 10 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 190201
glfls 
expires:202606190800;;989452

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 18 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 30.0 inch high will build over the mid-mississippi valley tonight 
into saturday, supporting weak 29.9 inches ridging over lake 
superior by saturday. 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 wednesday. 




lsz265-190800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt thu jun 18 2026

.rest of tonight...west winds 15 to 25 knots. waves calm to
2 feet building to 1 to 3 feet. 
.friday...west winds 15 to 25 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. a slight chance of showers after midnight. waves calm
to 2 feet. 
.saturday...west winds 5 to 15 knots veering northwest by mid
afternoon. a slight chance of showers. 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 northeast by mid
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots backing north after
midnight. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots becoming northwest 5 to
15 knots. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering west. waves calm to
2 feet. 

$$

fzus63 kmqt 190201
glfls 
expires:202606190800;;989453

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 18 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 30.0 inch high will build over the mid-mississippi valley tonight 
into saturday, supporting weak 29.9 inches ridging over lake 
superior by saturday. 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 wednesday. 




lsz266-190800-
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 pm edt thu jun 18 2026

.rest of tonight...west winds 15 to 25 knots veering northwest
late. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...northwest winds 15 to 25 knots becoming west 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. waves subsiding to 1 to 3 feet. 
.friday night...west winds 5 to 15 knots backing southwest late.
waves subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots veering northwest by mid
afternoon. a slight chance of showers through early afternoon.
waves calm to 2 feet. 
.saturday night...northwest winds 5 to 15 knots backing west
after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots veering north by mid
afternoon. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 190201
glfls 
expires:202606190800;;989454

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt thu jun 18 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 30.0 inch high will build over the mid-mississippi valley tonight 
into saturday, supporting weak 29.9 inches ridging over lake 
superior by saturday. 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 wednesday. 




lsz267-190800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt thu jun 18 2026

.rest of tonight...west winds 10 to 20 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots becoming west 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. waves 2 to 4 feet. 
.friday night...west winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.saturday...west winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.saturday night...northwest winds 5 to 15 knots backing west
after midnight. 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 veering north after
midnight. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots becoming north 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.tuesday...northwest winds 5 to 15 knots. waves calm to 2 feet. 

$$