fzus63 kdtx 241948
glflh 

lhz362-363-250815-
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-
348 pm edt sat oct 24 2020

.tonight...light and variable winds. 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. waves 2 feet or less. 
.monday...north winds 5 to 10 knots becoming northwest 10 to
15 knots early in the afternoon. a chance of showers in the
morning. waves 2 feet or less. 
.monday night...northwest winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots becoming southwest 10 to
15 knots late in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the evening. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and early morning. waves 3 to
5 feet. 
.thursday...north winds 10 to 15 knots. waves 2 to 4 feet. 


$$

fzus63 kdtx 241948
glflh 
851 

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 pm edt sat oct 24 2020

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 of 30.30 inches will build into the area
over the weekend. a weak low will lift northeast through the
straits sunday night with a cold front then pushing southeast
through the region monday. high pressure of 30.30 inches then
builds back into the region monday night.

lhz361-250815-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
348 pm edt sat oct 24 2020

.tonight...light and variable winds becoming west 5 to 10 knots
after midnight. a chance of showers. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 
.sunday night...light and variable winds. a chance of showers.
waves 2 feet or less. 
.monday...north winds 5 to 10 knots. waves 2 feet or less. 
.monday night...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.tuesday...light and variable winds becoming southwest 5 to
10 knots late in the morning...then increasing to 10 to 15 knots
late in the afternoon. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then becoming
west 10 to 15 knots until early morning. waves 2 to 4 feet. 
.thursday...northwest winds 10 to 15 knots becoming north 5 to
10 knots until early morning. waves 1 to 3 feet. 


$$

fzus63 kdtx 241948
glflh 

lhz462>464-250815-
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-
348 pm edt sat oct 24 2020

.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 1 to 3 feet. 
.sunday...light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. waves 2 feet or less. 
.sunday night...east winds 5 to 10 knots. waves 2 feet or less. 
.monday...north winds 5 to 10 knots backing to the northwest
early in the afternoon. a chance of showers. waves 2 feet or
less. 
.monday night...northwest winds 10 to 15 knots becoming north
5 to 10 knots after midnight. a chance of showers in the evening.
waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots backing to the southwest
late in the afternoon...then increasing to 10 to 15 knots late in
the evening. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday...northwest winds 10 to 15 knots veering to the north
until early morning. waves 2 to 4 feet. 


$$

fzus63 kmkx 241941
glflm 
464 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cdt sat oct 24 2020

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... 

the eastern extent of high pressure branching off of a 30.7 inch 
surface high dropping into the northern rockies will continue to 
impact the region through this weekend into early next week. 
tuesday into wednesday, a surface low tracks east across central 
canada towards the hudson bay and brings an enhanced pressure 
gradient across the western great lakes, and especially northern 
parts of lake michigan. 

&&

lmz261-362-364-366-563-565-567-868-250315-
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-
241 pm cdt sat oct 24 2020

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 20 kt becoming north 10 to
15 kt. slight chance of rain showers this evening, then chance of
rain showers overnight. waves 1 to 3 ft. 
.sunday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 3 ft. 
.sunday night...northeast winds 10 to 15 kt becoming north 10 to
20 kt. rain and snow showers likely in the evening, then chance
of rain and snow showers overnight. waves 1 to 3 ft building to
3 to 5 ft. 
.monday...north winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.monday night...north winds 10 to 15 kt becoming northwest. waves
2 to 4 ft subsiding to 1 to 2 ft. 
.tuesday...west winds 10 to 15 kt becoming southwest 15 to 25 kt
in the afternoon. waves 1 to 2 ft building to 2 to 4 ft. 
.tuesday night...southwest winds 15 to 25 kt increasing to 30 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...southwest winds to 30 kt becoming west 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.thursday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 241941
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-250315-
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-
241 pm cdt sat oct 24 2020

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 20 kt becoming northeast 10 to
15 kt. slight chance of rain showers overnight. waves 1 to 3 ft. 
.sunday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
slight chance of rain showers in the morning, then chance of rain
showers in the afternoon. waves 1 to 3 ft. 
.sunday night...northeast winds 10 to 20 kt becoming north.
chance of rain showers overnight. waves 3 to 5 ft. 
.monday...north winds 10 to 20 kt. chance of rain showers in the
morning. waves 4 to 6 ft occasionally to 8 ft. 
.monday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday...northwest winds 10 to 15 kt becoming west. waves 1 to
3 ft. 
.tuesday night...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 1 to 3 ft building to 2 to 4 ft. 
.wednesday...southwest winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday...north winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft.  

$$

fzus63 kmkx 241347
glflm 
576 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cdt sat oct 24 2020

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... 

high pressure of 30.5 inches continues to build eastward into the
great lake region today, keeping winds light and from the west 
and north. as high pressure of 30.7 inches drops along the front
range of the central rockies late this weekend into early next 
week, lake michigan will remain on the eastern fringe of surface 
ridging. tuesday into wednesday, a surface low tracks east across 
central canada towards the hudson bay and brings an enhanced 
pressure gradient across the western great lakes, and especially 
northern parts of lake michigan. 

&&

lmz261-362-364-366-563-565-567-669-868-870-242130-
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 sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
847 am cdt sat oct 24 2020

port washington wi to whitehall mi north...

.rest of today...northwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tonight...northwest winds 5 to 10 kt becoming north 10 to 15 kt.
slight chance of rain. waves 1 to 2 ft. 
.sunday...north winds 10 to 15 kt becoming northeast. rain
showers likely in the afternoon. waves 1 to 2 ft. 
.sunday night...north winds 10 to 15 kt increasing to 10 to
20 kt. rain showers likely in the evening, then chance of rain
showers overnight. waves 1 to 3 ft. 
.monday...north winds 10 to 20 kt becoming northwest. waves 2 to
4 ft. 
.monday night...north winds 10 to 15 kt. waves 2 to 4 ft. 
.tuesday...west winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.wednesday...southwest winds to 30 kt diminishing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 241347
glflm 

lmz080-671-673-675-777-779-872-874-876-878-242130-
lake michigan from michigan city in to st. joseph mi 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 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-
847 am cdt sat oct 24 2020

port washington wi to whitehall mi south...

.rest of today...north winds 10 to 20 kt diminishing to 5 to
10 kt. chance of rain through mid morning. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.tonight...north winds 5 to 10 kt becoming northeast 10 to 15 kt.
waves 1 to 3 ft. 
.sunday...east winds 10 to 15 kt becoming northeast 10 to 20 kt.
waves 1 to 3 ft. 
.sunday night...northeast winds 10 to 20 kt becoming north.
chance of rain showers. waves 2 to 4 ft. 
.monday...north winds 10 to 20 kt. chance of rain showers. waves
2 to 4 ft. 
.monday night...north winds 10 to 15 kt. chance of rain showers.
waves 2 to 4 ft. 
.tuesday...northwest winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 3 ft. 
.wednesday...southwest winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 241946
glfls 

lsz265-250400-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
346 pm edt sat oct 24 2020

.late this afternoon...northwest winds 15 to 25 knots. a chance
of rain and snow showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.tonight...northwest winds 10 to 20 knots becoming north 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
a chance of rain and snow showers. waves 1 to 3 feet. 
.sunday...north winds 10 to 20 knots. a chance of rain and snow
showers. waves subsiding to calm to 2 feet. 
.sunday night...northwest winds 10 to 20 knots. a chance of snow
showers. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots. a slight chance of rain
and snow showers. waves calm to 2 feet. 
.monday night...west winds 10 to 20 knots. waves building to 1 to
3 feet. 
.tuesday...southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday night...southwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday...west winds 15 to 25 knots veering north. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.thursday...north winds 10 to 20 knots backing west. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 241946
glfls 

lsz266-250400-
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-
346 pm edt sat oct 24 2020

.late this afternoon...northwest winds 15 to 25 knots. a chance
of rain showers, possibly mixed with snow. waves 2 to 4 feet. 
.tonight...north winds 15 to 25 knots diminishing to 10 to
20 knots late. a chance of rain and snow showers. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 1 to
3 feet. 
.sunday...north winds 10 to 20 knots. a chance of rain showers,
possibly mixed with snow. waves subsiding to calm to 2 feet. 
.sunday night...north winds 10 to 20 knots backing northwest
after midnight. a chance of rain showers through midnight. a
chance of snow showers. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots. a slight chance of rain
and snow showers. waves building to 1 to 3 feet. 
.monday night...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday...southwest winds 20 to 30 knots. waves building to 6 to
9 feet occasionally to 11 feet. 
.tuesday night...southwest winds 20 to 30 knots. a chance of rain
and snow showers after midnight. waves building to 7 to 11 feet
occasionally to 14 feet. 
.wednesday...west winds 15 to 25 knots veering north. waves
subsiding to 2 to 4 feet. 
.thursday...north winds 10 to 20 knots backing west. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 241946
glfls 

lsz267-250400-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
346 pm edt sat oct 24 2020

.late this afternoon...west winds 10 to 20 knots. a chance of
rain showers. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots veering northeast late.
a chance of rain and snow showers. waves subsiding to 1 to
3 feet. 
.sunday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then backing north late. a slight
chance of snow showers through early afternoon. a chance of rain
showers. waves subsiding to calm to 2 feet. 
.sunday night...north winds 10 to 20 knots backing northwest
late. a chance of rain showers through midnight. a chance of snow
showers. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots backing northwest by mid
afternoon. a chance of rain and snow showers. waves building to
1 to 3 feet. 
.monday night...northwest winds 10 to 20 knots backing west after
midnight. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.tuesday night...southwest winds 20 to 30 knots. a chance of rain
and snow showers after midnight. waves building to 4 to 8 feet
occasionally to 10 feet. 
.wednesday...west winds 20 to 30 knots becoming north 15 to
25 knots. a chance of rain showers. waves subsiding to 2 to
4 feet. 
.thursday...north winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 241946
glfls 

lsz264-250400-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
346 pm edt sat oct 24 2020

.late this afternoon...northwest winds 5 to 15 knots. a slight
chance of rain and snow showers. waves calm to 2 feet building to
1 to 3 feet. 
.tonight...northwest winds 10 to 20 knots veering north after
midnight, then diminishing to 5 to 15 knots late. a slight chance
of rain showers. a slight chance of snow showers after midnight.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.sunday...north winds 5 to 15 knots backing northwest late. a
slight chance of rain and snow showers. waves subsiding to calm
to 2 feet. 
.sunday night...northwest winds 5 to 15 knots. a slight chance of
snow showers. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.tuesday...southwest winds 20 to 30 knots increasing to gales to
35 knots by mid afternoon. waves building to 8 to 11 feet
occasionally to 14 feet. 
.tuesday night...southwest gales to 35 knots veering west after
midnight. waves building to 9 to 12 feet occasionally to 15 feet,
then subsiding to 7 to 10 feet occasionally to 13 feet. 
.wednesday...west winds 15 to 25 knots becoming north 10 to
20 knots. waves subsiding to 2 to 4 feet. 
.thursday...north winds 10 to 20 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 241946
glfls 

lsz263-250400-
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-
346 pm edt sat oct 24 2020

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

$$

fzus63 kmqt 241946
glfls 
211 

open lake forecast for lake superior
national weather service marquette mi
346 pm edt sat oct 24 2020

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...high pressure of 30.5 inches over the plains will 
build a ridge of 30.3 inches over the lake through early sunday. 
a 30.2 inch low pressure trough will move across lake superior 
late sunday. in its wake, a 30.3 inch ridge will return over the 
lake monday into tuesday, as 30.5 inch high pressure settles into 
the central plains. a trough of 29.8 inches will approach lake 
superior from canada by wednesday with a ridge of 30.2 inches 
building in by thursday.

lsz162-250400-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
346 pm edt sat oct 24 2020 /246 pm cdt sat oct 24 2020/

.late this afternoon...northwest winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...north winds 10 to 20 knots. a slight chance of rain
showers through midnight. a slight chance of snow showers after
midnight. waves calm to 2 feet. 
.sunday...north winds 5 to 15 knots backing northwest late. a
slight chance of rain and snow showers. waves calm to 2 feet. 
.sunday night...northwest winds 10 to 20 knots. a slight chance
of snow showers through midnight. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots backing west by mid
afternoon. waves calm to 2 feet. 
.monday night...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday...southwest winds 20 to 30 knots. waves building to 6 to
9 feet occasionally to 11 feet. 
.tuesday night...southwest gales to 35 knots diminishing to 20 to
30 knots after midnight. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.wednesday...west winds 15 to 25 knots becoming north 10 to
20 knots. waves subsiding to calm to 2 feet. 
.thursday...north winds 10 to 20 knots becoming southwest 5 to
15 knots. waves calm to 2 feet. 

$$