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fzus63 kdtx 072042
glflh 
expires:202603080445;;804677

open lake forecast for lake huron
national weather service detroit/pontiac mi
342 pm est sat mar 7 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...low pressure, 29.50 inches, will progress from the
northern great lakes into quebec today. this will push a cold
front over the great lakes this afternoon. wind direction veers
from southwest to northwest in the wake of the front, with dry
conditions for the remainder of the weekend.


lhz361-362-080445-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
342 pm est sat mar 7 2026

.tonight...west winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the morning. waves
6 to 9 feet. waves occasionally around 12 feet. 
.sunday...southwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the morning...then
decreasing to 15 to 20 knots with gusts to around 30 knots in the
afternoon. waves 3 to 5 feet building to 5 to 7 feet in the late
morning and afternoon. waves occasionally around 10 feet. 
.sunday night...southwest winds 10 to 15 knots becoming south
20 to 25 knots. waves 4 to 6 feet building to 6 to 9 feet after
midnight. waves occasionally around 12 feet. 
.monday...southwest winds 20 to 25 knots decreasing to 10 to
15 knots. waves 5 to 7 feet. waves occasionally around 10 feet. 
.monday night...northwest winds 10 to 15 knots veering to the
10 to 15 knots after midnight. waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight. 
.tuesday...northeast winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the afternoon.
rain with freezing rain and snow likely late in the afternoon.
waves 2 to 4 feet building to 8 to 12 feet. waves occasionally
around 15 feet. 
.wednesday...northeast winds to 30 knots decreasing to 20 to
25 knots in the late morning and early afternoon...then becoming
north to 30 knots . snow likely early in the morning. rain and
freezing rain likely. a chance of snow . waves 10 to 14 feet.
waves occasionally around 18 feet. 
.thursday...northwest winds to 30 knots decreasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then decreasing to 15 to 20 knots early in the
evening increasing to 20 to 25 knots by midnight. a chance of
snow early in the morning. waves 10 to 14 feet subsiding to 6 to
9 feet by midnight. waves occasionally around 18 feet. 

wave heights are for ice free areas.

$$
fzus63 kdtx 072042
glflh 
expires:202603080445;;804678

open lake forecast for lake huron
national weather service detroit/pontiac mi
342 pm est sat mar 7 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...low pressure, 29.50 inches, will progress from the
northern great lakes into quebec today. this will push a cold
front over the great lakes this afternoon. wind direction veers
from southwest to northwest in the wake of the front, with dry
conditions for the remainder of the weekend.


lhz363-462-080445-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
342 pm est sat mar 7 2026

.tonight...west winds 15 to 20 knots decreasing to 10 to 15 knots
in the late evening and overnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.sunday...southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then decreasing to 15 to 20 knots late in the
afternoon. waves 3 to 5 feet. 
.sunday night...southwest winds 15 to 20 knots increasing to
20 to 25 knots after midnight. waves 3 to 5 feet. 
.monday...southwest winds 20 to 25 knots decreasing to 10 to
15 knots. waves 3 to 5 feet. 
.monday night...north winds 10 to 15 knots decreasing to 5 to
10 knots by midnight...then increasing to 10 to 15 knots after
midnight. waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. rain late in the
afternoon. waves 2 to 4 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday...northeast winds 20 to 25 knots with gusts to around
30 knots becoming northwest to 30 knots with gusts to 35 knot
gales by midnight. rain and freezing rain. snow until early
evening...then a chance of snow and rain by midnight. waves 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...northwest winds to 30 knots decreasing to 15 to
20 knots. a chance of snow early in the morning. waves 10 to
14 feet subsiding to 6 to 9 feet by midnight. waves occasionally
around 18 feet. 

wave heights are for ice free areas.

$$
fzus63 kdtx 071502
glflh 
expires:202603072315;;789641

open lake forecast for lake huron
national weather service detroit/pontiac mi
1002 am est sat mar 7 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...low pressure, 29.50 inches, will progress from the
northern great lakes into quebec today. this will push a cold
front over the great lakes late this morning and afternoon. wind
direction veers from southwest to northwest in the wake of the
front, with dry conditions for the remainder of the weekend.


lhz363-462>464-072315-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
1002 am est sat mar 7 2026

...dense fog advisory in effect until 4 pm est this afternoon...

.rest of today...south winds 15 to 20 knots. a chance of showers.
widespread dense fog. 
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and overnight. 
.sunday...southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then decreasing to 15 to 20 knots with gusts to
around 30 knots early in the afternoon. 
.sunday night...southwest winds 15 to 20 knots becoming south
20 to 25 knots with gusts to around 30 knots after midnight. 
.monday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. 
.tuesday...northeast winds 10 to 15 knots increasing to 15 to
20 knots by midnight. rain and snow . 
.wednesday...northeast winds 15 to 20 knots with gusts to around
30 knots becoming north 20 to 25 knots with gusts to around
30 knots early in the evening...then becoming northwest to
30 knots with gusts to 35 knot gales by midnight. rain with snow
likely until afternoon...then rain likely and a chance of snow . 

waves omitted due to ice coverage.

$$
fzus63 kmkx 071952
glflm 
expires:202603080415;;802322

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
152 pm cst sat mar 7 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...

low pressure around 29.4 inches will continue to exit into
quebec, allowing for continued westerly gusts near 30 kt into
this evening. high pressure around 30.1 inches over the central 
plains will nudge into southern wisconsin tonight, allowing winds 
to diminish and become southwesterly ahead of another quick-moving
low pressure system around 28.9 inches progressing east through 
ontario overnight tonight into sunday morning. 

winds will become gusty late tonight, with a gale warning in 
effect for the northern half of the lake late tonight through 
sunday morning. as low pressure exits to the east, winds will 
diminish but remain southwesterly ahead of an additional low 
moving through southern canada sunday night into monday. an 
additional period of southwesterly gales is possible late sunday 
night into monday morning. high pressure then dominates the region
and keeps winds light and variable monday afternoon through 
monday night before shifting to become northeasterly as low 
pressure develops in the plains tuesday.


lmz261-362-364-366-563-565-080415-
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-
152 pm cst sat mar 7 2026

two rivers wi to manistee mi north...

...gale warning in effect from late tonight through sunday
afternoon...

.tonight...northwest winds 10 to 20 kt becoming west 10 to 15 kt
late this evening, then becoming southwest 10 to 20 kt after
midnight increasing to gales to 35 kt late. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft.
.sunday...southwest gales to 40 kt diminishing to 30 kt. waves 6 
to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally 
to 9 ft. 
.sunday night...southwest winds to 30 kt increasing to gales to
35 kt. chance of rain in the evening. waves 4 to 7 ft
occasionally to 9 ft building to 7 to 10 ft occasionally to
13 ft. 
.monday...southwest winds to 30 kt diminishing to 10 to 20 kt in
the afternoon. waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 6 ft occasionally to 8 ft. 
.monday night...northeast winds 10 to 20 kt. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...northeast winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft building to 6 to 9 ft occasionally
to 12 ft. 
.tuesday night...northeast winds to 30 kt. rain, snow likely with
a chance of light freezing rain. waves 10 to 14 ft occasionally
to 18 ft. 
.wednesday...northeast winds to 30 kt becoming north. snow, rain
and light freezing rain likely. waves 10 to 14 ft occasionally to
18 ft. 
.thursday...north winds 15 to 25 kt becoming west 10 to 20 kt.
waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to 6 ft
occasionally to 8 ft.  

$$
fzus63 kmkx 071952
glflm 
expires:202603080415;;802323

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
152 pm cst sat mar 7 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...

low pressure around 29.4 inches will continue to exit into
quebec, allowing for continued westerly gusts near 30 kt into
this evening. high pressure around 30.1 inches over the central 
plains will nudge into southern wisconsin tonight, allowing winds 
to diminish and become southwesterly ahead of another quick-moving
low pressure system around 28.9 inches progressing east through 
ontario overnight tonight into sunday morning. 

winds will become gusty late tonight, with a gale warning in 
effect for the northern half of the lake late tonight through 
sunday morning. as low pressure exits to the east, winds will 
diminish but remain southwesterly ahead of an additional low 
moving through southern canada sunday night into monday. an 
additional period of southwesterly gales is possible late sunday 
night into monday morning. high pressure then dominates the region
and keeps winds light and variable monday afternoon through 
monday night before shifting to become northeasterly as low 
pressure develops in the plains tuesday.


lmz567-868-080415-
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-
152 pm cst sat mar 7 2026

two rivers wi to manistee mi south to sheboygan wi to pentwater
mi...

.tonight...west winds 10 to 15 kt becoming southwest 10 to 20 kt
after midnight, then increasing to 30 kt late. waves 3 to 5 ft. 
.sunday...southwest gales to 35 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.sunday night...southwest winds 15 to 25 kt increasing to 30 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.monday...southwest winds 15 to 25 kt becoming south 10 to 15 kt
in the afternoon. waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 6 ft occasionally to 8 ft. 
.monday night...east winds 10 to 20 kt becoming northeast. waves
2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.tuesday...northeast winds 15 to 25 kt increasing to 30 kt.
chance of rain in the afternoon. waves 4 to 7 ft occasionally to
9 ft building to 6 to 9 ft occasionally to 12 ft. 
.tuesday night...northeast winds to 30 kt. rain likely. waves
10 to 14 ft occasionally to 18 ft. 
.wednesday...north winds to 30 kt increasing to gales to 35 kt.
rain and snow likely. waves 10 to 14 ft occasionally to 18 ft. 
.thursday...northwest winds to 30 kt becoming west 10 to 20 kt.
waves 8 to 12 ft occasionally to 16 ft subsiding to 4 to 7 ft
occasionally to 9 ft.  

$$
fzus63 kmkx 071952
glflm 
expires:202603080415;;802324

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
152 pm cst sat mar 7 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...

low pressure around 29.4 inches will continue to exit into
quebec, allowing for continued westerly gusts near 30 kt into
this evening. high pressure around 30.1 inches over the central 
plains will nudge into southern wisconsin tonight, allowing winds 
to diminish and become southwesterly ahead of another quick-moving
low pressure system around 28.9 inches progressing east through 
ontario overnight tonight into sunday morning. 

winds will become gusty late tonight, with a gale warning in 
effect for the northern half of the lake late tonight through 
sunday morning. as low pressure exits to the east, winds will 
diminish but remain southwesterly ahead of an additional low 
moving through southern canada sunday night into monday. an 
additional period of southwesterly gales is possible late sunday 
night into monday morning. high pressure then dominates the region
and keeps winds light and variable monday afternoon through 
monday night before shifting to become northeasterly as low 
pressure develops in the plains tuesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-080415-
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-
152 pm cst sat mar 7 2026

sheboygan wi to pentwater mi south...

.tonight...west winds 10 to 20 kt becoming southwest to 30 kt
late. waves 3 to 5 ft. 
.sunday...southwest winds to 30 kt diminishing to 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.sunday night...southwest winds 15 to 25 kt increasing to 30 kt.
waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft
occasionally to 12 ft. 
.monday...southwest winds 15 to 25 kt becoming south 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.monday night...south winds 10 to 20 kt backing to northeast.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.tuesday...northeast winds 15 to 25 kt increasing to 30 kt.
chance of rain in the afternoon. waves 4 to 7 ft occasionally to
9 ft building to 6 to 9 ft occasionally to 12 ft. 
.tuesday night...northeast winds to 30 kt becoming north gales to
35 kt. rain with a chance of thunderstorms. waves 10 to 14 ft
occasionally to 18 ft. 
.wednesday...north gales to 35 kt. rain and snow likely. waves
12 to 16 ft occasionally to 21 ft. 
.thursday...northwest winds to 30 kt becoming west 10 to 20 kt.
waves 10 to 14 ft occasionally to 18 ft subsiding to 5 to 8 ft
occasionally to 10 ft.  

$$
fzus63 kmqt 072101
glfls 
expires:202603080900;;805159

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat mar 7 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 weak 29.7 inch ridge will move over the lake this evening, 
associated with a 30.1 inch high over the southern plains. this 
ridge is kicked east by a 29.0 inch low that transits northern 
ontario sunday, reaching northwest quebec sunday night into monday 
as a secondary 29.2 inch low trails behind near the northern shores 
of lake superior. the low exits the area monday afternoon before 
being replaced by a 30.4 inch high over northern ontario tuesday. 
the high slowly moves into quebec tuesday night as 29.6 low pressure 
moves into the lower midwest. this low moves through lower michigan 
wednesday at 29.4 inches. thursday morning, lake superior will be 
situated between 29.2 inch low pressure over new england and 30.3 
inch high pressure broadly spanning the plains. by thursday 
afternoon, a 29.3 inch low will approach the region from the west 
before transiting the upper great lakes friday.



lsz267-080900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est sat mar 7 2026

...gale warning in effect from 5 am est sunday through sunday
afternoon...

.late this afternoon...northwest winds 20 to 30 knots. waves 4 to
7 feet occasionally to 9 feet. 
.tonight...northwest winds 15 to 25 knots becoming southwest
10 to 20 knots by midnight, then becoming south gales to 35 knots
late. a chance of snow showers, possibly mixed with rain after
midnight. waves subsiding to 2 to 4 feet, then building to 4 to
7 feet occasionally to 9 feet. 
.sunday...southwest gales to 40 knots becoming west gales to
35 knots by late morning, then diminishing to 20 to 30 knots by
mid afternoon. a chance of snow showers in the morning. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 5 to 8 feet occasionally to 10 feet. 
.sunday night...south winds 15 to 25 knots increasing to gales to
35 knots by midnight, then veering southwest late. a chance of
rain showers. waves subsiding to 3 to 6 feet occasionally to
8 feet, then building to 5 to 8 feet occasionally to 10 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.monday night...northwest winds 10 to 20 knots veering north
after midnight. waves subsiding to 1 to 3 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
building to 3 to 5 feet occasionally to 7 feet. 
.tuesday night...northeast winds 20 to 30 knots increasing to
gales to 35 knots after midnight. a chance of snow showers,
possibly mixed with freezing rain. waves building to 5 to 8 feet
occasionally to 10 feet. 
.wednesday...northeast gales to 35 knots backing north. a chance
of snow showers. waves building to 7 to 10 feet occasionally to
13 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. 
.thursday...north winds 15 to 25 knots becoming southeast gales
to 45 knots. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 8 to 11 feet occasionally to 14 feet. 

$$
fzus63 kmqt 072101
glfls 
expires:202603080900;;805154

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat mar 7 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 weak 29.7 inch ridge will move over the lake this evening, 
associated with a 30.1 inch high over the southern plains. this 
ridge is kicked east by a 29.0 inch low that transits northern 
ontario sunday, reaching northwest quebec sunday night into monday 
as a secondary 29.2 inch low trails behind near the northern shores 
of lake superior. the low exits the area monday afternoon before 
being replaced by a 30.4 inch high over northern ontario tuesday. 
the high slowly moves into quebec tuesday night as 29.6 low pressure 
moves into the lower midwest. this low moves through lower michigan 
wednesday at 29.4 inches. thursday morning, lake superior will be 
situated between 29.2 inch low pressure over new england and 30.3 
inch high pressure broadly spanning the plains. by thursday 
afternoon, a 29.3 inch low will approach the region from the west 
before transiting the upper great lakes friday.



lsz162-080900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est sat mar 7 2026 /300 pm cst sat mar 7 2026/

...gale warning in effect from 1 am est /midnight cst/ sunday
through sunday morning...

.late this afternoon...southwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...southwest winds 15 to 25 knots increasing to gales to
35 knots by midnight. a chance of snow showers. a chance of rain
showers after midnight. waves building to 5 to 8 feet
occasionally to 10 feet. 
.sunday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. a slight chance of rain showers in the
afternoon. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.sunday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots by midnight, then becoming west 15 to 25 knots
late. a slight chance of rain showers in the evening. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.monday...west winds 15 to 25 knots diminishing to 5 to 15 knots
in the afternoon. waves subsiding to calm to 2 feet. 
.monday night...north winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. a chance of snow showers after
midnight. waves building to 1 to 3 feet. 
.tuesday...northeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. snow showers likely in the morning,
then a chance of snow showers in the afternoon. waves building to
5 to 8 feet occasionally to 10 feet. 
.tuesday night...northeast winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a chance of snow showers. waves
5 to 8 feet occasionally to 10 feet. 
.wednesday...northeast winds 15 to 25 knots becoming north 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.thursday...south winds 10 to 20 knots becoming southeast gales
to 40 knots. a chance of snow showers. rain showers likely. waves
subsiding to calm to 2 feet, then building to 7 to 10 feet
occasionally to 13 feet. 

$$
fzus63 kmqt 072101
glfls 
expires:202603080900;;805155

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat mar 7 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 weak 29.7 inch ridge will move over the lake this evening, 
associated with a 30.1 inch high over the southern plains. this 
ridge is kicked east by a 29.0 inch low that transits northern 
ontario sunday, reaching northwest quebec sunday night into monday 
as a secondary 29.2 inch low trails behind near the northern shores 
of lake superior. the low exits the area monday afternoon before 
being replaced by a 30.4 inch high over northern ontario tuesday. 
the high slowly moves into quebec tuesday night as 29.6 low pressure 
moves into the lower midwest. this low moves through lower michigan 
wednesday at 29.4 inches. thursday morning, lake superior will be 
situated between 29.2 inch low pressure over new england and 30.3 
inch high pressure broadly spanning the plains. by thursday 
afternoon, a 29.3 inch low will approach the region from the west 
before transiting the upper great lakes friday.



lsz263-080900-
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-
400 pm est sat mar 7 2026

...gale warning in effect from 1 am est sunday through sunday
afternoon...

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southwest winds 15 to 25 knots increasing to gales to
40 knots by midnight. a chance of rain and snow showers after
midnight. waves building to 6 to 9 feet occasionally to 11 feet. 
.sunday...west gales to 35 knots backing southwest by late
morning, then diminishing to 20 to 30 knots by mid afternoon. a
slight chance of rain showers in the afternoon. waves building to
7 to 10 feet occasionally to 13 feet, then subsiding to 3 to
6 feet occasionally to 8 feet. 
.sunday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots by midnight, then veering west late. a slight
chance of rain showers in the evening. waves building to 4 to
7 feet occasionally to 9 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.monday night...north winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. waves subsiding to calm to 2 feet,
then building to 1 to 3 feet. 
.tuesday...northeast winds 15 to 25 knots. a chance of snow
showers. waves building to 4 to 7 feet occasionally to 9 feet. 
.tuesday night...northeast gales to 35 knots. a chance of snow
showers. waves building to 7 to 10 feet occasionally to 13 feet. 
.wednesday...northeast gales to 35 knots becoming north 15 to
25 knots. a chance of snow showers. waves building to 8 to
11 feet occasionally to 14 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday...north winds 5 to 15 knots becoming southeast gales to
40 knots. a chance of snow showers, possibly mixed with rain.
waves subsiding to calm to 2 feet, then building to 11 to 15 feet
occasionally to 19 feet. 

$$
fzus63 kmqt 072101
glfls 
expires:202603080900;;805156

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat mar 7 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 weak 29.7 inch ridge will move over the lake this evening, 
associated with a 30.1 inch high over the southern plains. this 
ridge is kicked east by a 29.0 inch low that transits northern 
ontario sunday, reaching northwest quebec sunday night into monday 
as a secondary 29.2 inch low trails behind near the northern shores 
of lake superior. the low exits the area monday afternoon before 
being replaced by a 30.4 inch high over northern ontario tuesday. 
the high slowly moves into quebec tuesday night as 29.6 low pressure 
moves into the lower midwest. this low moves through lower michigan 
wednesday at 29.4 inches. thursday morning, lake superior will be 
situated between 29.2 inch low pressure over new england and 30.3 
inch high pressure broadly spanning the plains. by thursday 
afternoon, a 29.3 inch low will approach the region from the west 
before transiting the upper great lakes friday.



lsz264-080900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est sat mar 7 2026

...gale warning in effect from 1 am est sunday through sunday
afternoon...

.late this afternoon...west winds 10 to 20 knots. waves 2 to
4 feet. 
.tonight...southwest winds 15 to 25 knots increasing to gales to
40 knots by midnight. a chance of snow showers, possibly mixed
with rain after midnight. waves subsiding to 1 to 3 feet, then
building to 7 to 10 feet occasionally to 13 feet. 
.sunday...west gales to 40 knots becoming southwest 20 to
30 knots by mid afternoon. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday night...southwest winds 15 to 25 knots increasing to
gales to 35 knots by midnight, then veering west late. a chance
of rain showers in the evening. waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 5 to 8 feet occasionally
to 10 feet. 
.monday...west gales to 35 knots diminishing to 15 to 25 knots in
the afternoon. waves subsiding to 2 to 4 feet. 
.monday night...north winds 5 to 15 knots. waves subsiding to
1 to 3 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...northeast winds 20 to 30 knots. a chance of snow
showers. waves building to 7 to 10 feet occasionally to 13 feet. 
.wednesday...northeast gales to 35 knots backing north. a chance
of snow showers. waves building to 8 to 11 feet occasionally to
14 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 
.thursday...north winds 10 to 20 knots becoming southeast gales
to 45 knots. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 12 to 17 feet occasionally to 21 feet. 

$$
fzus63 kmqt 072101
glfls 
expires:202603080900;;805157

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat mar 7 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 weak 29.7 inch ridge will move over the lake this evening, 
associated with a 30.1 inch high over the southern plains. this 
ridge is kicked east by a 29.0 inch low that transits northern 
ontario sunday, reaching northwest quebec sunday night into monday 
as a secondary 29.2 inch low trails behind near the northern shores 
of lake superior. the low exits the area monday afternoon before 
being replaced by a 30.4 inch high over northern ontario tuesday. 
the high slowly moves into quebec tuesday night as 29.6 low pressure 
moves into the lower midwest. this low moves through lower michigan 
wednesday at 29.4 inches. thursday morning, lake superior will be 
situated between 29.2 inch low pressure over new england and 30.3 
inch high pressure broadly spanning the plains. by thursday 
afternoon, a 29.3 inch low will approach the region from the west 
before transiting the upper great lakes friday.



lsz265-080900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est sat mar 7 2026

...gale warning in effect from 5 am est sunday through sunday
afternoon...

.late this afternoon...west winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 15 to 25 knots backing south by midnight,
then becoming southwest gales to 35 knots late. a chance of rain
and snow showers after midnight. waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.sunday...west gales to 40 knots diminishing to 20 to 30 knots by
mid afternoon. a slight chance of rain showers in the afternoon.
waves subsiding to calm to 2 feet. 
.sunday night...south winds 20 to 30 knots becoming southwest
gales to 35 knots by midnight. a slight chance of rain showers in
the evening. waves building to 3 to 5 feet occasionally to
7 feet. 
.monday...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. waves subsiding to calm to 2 feet. 
.monday night...northwest winds 10 to 20 knots becoming north
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.tuesday...northeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers. waves
building to 4 to 7 feet occasionally to 9 feet. 
.tuesday night...east winds 20 to 30 knots becoming northeast
gales to 35 knots after midnight. a chance of snow showers. waves
building to 7 to 10 feet occasionally to 13 feet. 
.wednesday...northeast gales to 35 knots backing north. a chance
of snow showers. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 7 to 10 feet occasionally to 13 feet. 
.thursday...north winds 15 to 25 knots becoming southeast gales
to 45 knots. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 11 to 15 feet occasionally to 19 feet. 

$$
fzus63 kmqt 072101
glfls 
expires:202603080900;;805158

open lake forecast for lake superior
national weather service marquette mi
400 pm est sat mar 7 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 weak 29.7 inch ridge will move over the lake this evening, 
associated with a 30.1 inch high over the southern plains. this 
ridge is kicked east by a 29.0 inch low that transits northern 
ontario sunday, reaching northwest quebec sunday night into monday 
as a secondary 29.2 inch low trails behind near the northern shores 
of lake superior. the low exits the area monday afternoon before 
being replaced by a 30.4 inch high over northern ontario tuesday. 
the high slowly moves into quebec tuesday night as 29.6 low pressure 
moves into the lower midwest. this low moves through lower michigan 
wednesday at 29.4 inches. thursday morning, lake superior will be 
situated between 29.2 inch low pressure over new england and 30.3 
inch high pressure broadly spanning the plains. by thursday 
afternoon, a 29.3 inch low will approach the region from the west 
before transiting the upper great lakes friday.



lsz266-080900-
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-
400 pm est sat mar 7 2026

...gale warning in effect from 5 am est sunday through sunday
afternoon...

.late this afternoon...northwest winds 15 to 25 knots. waves 5 to
8 feet occasionally to 10 feet. 
.tonight...west winds 15 to 25 knots backing south by midnight,
then increasing to gales to 40 knots late. a chance of rain and
snow showers after midnight. waves subsiding to 2 to 4 feet, then
building to 5 to 8 feet occasionally to 10 feet. 
.sunday...southwest gales to 40 knots veering west. a slight
chance of rain showers in the afternoon. waves building to 8 to
11 feet occasionally to 14 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday night...south winds 15 to 25 knots becoming southwest
gales to 35 knots by midnight. a chance of rain showers in the
evening. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 6 to 9 feet occasionally to 11 feet. 
.monday...west gales to 35 knots diminishing to 20 to 30 knots in
the afternoon. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.monday night...northwest winds 10 to 20 knots veering north
after midnight. waves subsiding to 1 to 3 feet. 
.tuesday...northeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of snow showers. waves
building to 4 to 7 feet occasionally to 9 feet. 
.tuesday night...northeast gales to 35 knots. a chance of snow
showers. waves building to 7 to 10 feet occasionally to 13 feet. 
.wednesday...northeast gales to 35 knots backing north. a chance
of snow showers. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 8 to 11 feet occasionally to 14 feet. 
.thursday...north winds 15 to 25 knots becoming southeast storm
force winds to 55 knots. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
12 to 17 feet occasionally to 21 feet. 

$$
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