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fzus61 kbuf 041122
glflo 
expires:202302041615;;781055

open lake forecast for lake ontario
national weather service buffalo ny
622 am est sat feb 4 2023

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.7 inch high over the lower great lakes early this
morning will build to the mid atlantic today before moving well 
off the east coast by sunday. a 29.7 inch low will then move from 
the upper great lakes sunday morning to the canadian maritimes by 
monday, with a trailing cold front crossing the lake sunday night.
a 30.3 inch high will then build from the upper great lakes and
ohio valley monday morning to the eastern seaboard tuesday
morning. a 29.3 inch low will then cross northern ontario and
hudson bay tuesday, with a trailing cold front crossing the lake
tuesday night.


loz063>065-041615-
lake ontario open waters from hamlin beach to the saint lawrence
river-
622 am est sat feb 4 2023

.today...west winds 5 to 15 knots becoming south 15 to 20 knots.
scattered snow showers through early afternoon. waves 1 to 3 feet
building to 3 to 5 feet. 
.tonight...south winds 15 to 25 knots increasing to 30 knots.
waves 3 to 6 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.sunday...south winds to 30 knots becoming southwest. a chance of
rain showers in the afternoon. waves 5 to 8 feet building to 6 to
9 feet. waves occasionally around 11 feet. 
.sunday night...southwest winds 15 to 25 knots becoming west. a
chance of rain showers in the evening, then a chance of rain and
snow showers overnight. waves 5 to 8 feet subsiding to 4 to
7 feet. waves occasionally around 10 feet. 
.monday...northwest winds 15 to 20 knots becoming southeast.
waves 4 to 7 feet subsiding to 2 to 4 feet. waves occasionally
around 9 feet. 
.tuesday...south winds to 30 knots becoming west and diminishing
to 15 to 20 knots. rain showers likely during the day, then a
chance of rain showers tuesday night. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 

$$
fzus61 kbuf 041122
glflo 
expires:202302041615;;781054

open lake forecast for lake ontario
national weather service buffalo ny
622 am est sat feb 4 2023

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.7 inch high over the lower great lakes early this
morning will build to the mid atlantic today before moving well 
off the east coast by sunday. a 29.7 inch low will then move from 
the upper great lakes sunday morning to the canadian maritimes by 
monday, with a trailing cold front crossing the lake sunday night.
a 30.3 inch high will then build from the upper great lakes and
ohio valley monday morning to the eastern seaboard tuesday
morning. a 29.3 inch low will then cross northern ontario and
hudson bay tuesday, with a trailing cold front crossing the lake
tuesday night.


loz062-041615-
lake ontario open waters from the niagara river to hamlin beach-
622 am est sat feb 4 2023

.today...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 25 knots this afternoon. scattered snow
showers early, then snow showers likely late this morning.
scattered snow showers early this afternoon. waves 2 feet or less
building to 3 to 6 feet. 
.tonight...southwest winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.sunday...southwest winds to 30 knots. a chance of rain showers
in the afternoon. waves 5 to 8 feet building to 7 to 10 feet.
waves occasionally around 13 feet. 
.sunday night...southwest winds 15 to 25 knots becoming
northwest. a chance of rain showers in the evening. waves 5 to
8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.monday...northwest winds 15 to 20 knots becoming southeast.
waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming west 15 to
20 knots. rain showers during the day. waves 3 to 5 feet building
to 5 to 8 feet, then subsiding to 3 to 6 feet. waves occasionally
around 10 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 

$$
fzus61 kcle 040854
glfle 
expires:202302041515;;774554

open lake forecast for lake erie
national weather service cleveland oh
354 am est sat feb 4 2023

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure of 30.50 inches exits eastward from lake erie today.
low pressure of 29.70 inches moves generally eastward across the 
upper great lakes toward the canadian maritimes saturday night 
through sunday night. the trailing cold front will sweep
southeastward across lake erie sunday night. behind the front, a
ridge averaging 30.30 inches builds eastward through monday. a
warm front should sweep northeastward across lake erie monday
night and be followed by an eastward cold front passage on
tuesday. behind the cold front, a ridge averaging 30.30 inches
builds eastward through wednesday. 


lez162>164-041515-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
354 am est sat feb 4 2023

.today...south winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 
.tonight...south winds 15 to 20 knots becoming southwest. waves
1 to 3 feet building to 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...north winds 10 knots or less becoming south and
increasing to 15 to 20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots. a chance of rain showers during the day. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots becoming south. a chance of
rain showers wednesday night. waves 1 foot or less. 

$$
fzus61 kcle 040854
glfle 
expires:202302041515;;774555

open lake forecast for lake erie
national weather service cleveland oh
354 am est sat feb 4 2023

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure of 30.50 inches exits eastward from lake erie today.
low pressure of 29.70 inches moves generally eastward across the 
upper great lakes toward the canadian maritimes saturday night 
through sunday night. the trailing cold front will sweep
southeastward across lake erie sunday night. behind the front, a
ridge averaging 30.30 inches builds eastward through monday. a
warm front should sweep northeastward across lake erie monday
night and be followed by an eastward cold front passage on
tuesday. behind the cold front, a ridge averaging 30.30 inches
builds eastward through wednesday. 


lez165>167-041515-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
354 am est sat feb 4 2023

.today...south winds 15 to 20 knots. waves 1 to 3 feet building
to 3 to 6 feet. 
.tonight...south winds 15 to 25 knots becoming southwest. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.sunday...southwest winds 15 to 25 knots. waves 5 to 9 feet.
waves occasionally around 11 feet. 
.sunday night...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.tuesday...south winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. rain showers likely during the
day. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.wednesday...west winds 5 to 10 knots becoming south. a chance of
rain showers wednesday night. waves 1 to 3 feet. 

$$
fzus61 kcle 040854
glfle 
expires:202302041515;;774556

open lake forecast for lake erie
national weather service cleveland oh
354 am est sat feb 4 2023

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure of 30.50 inches exits eastward from lake erie today.
low pressure of 29.70 inches moves generally eastward across the 
upper great lakes toward the canadian maritimes saturday night 
through sunday night. the trailing cold front will sweep
southeastward across lake erie sunday night. behind the front, a
ridge averaging 30.30 inches builds eastward through monday. a
warm front should sweep northeastward across lake erie monday
night and be followed by an eastward cold front passage on
tuesday. behind the cold front, a ridge averaging 30.30 inches
builds eastward through wednesday. 


lez061-168-169-041515-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
354 am est sat feb 4 2023

.today...southwest winds 15 to 20 knots becoming south. a slight
chance of snow showers this morning. waves 1 to 2 feet building
to 3 to 5 feet. 
.tonight...south winds 15 to 25 knots becoming southwest. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 
.sunday...southwest winds 15 to 25 knots. a chance of rain
showers in the afternoon. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.sunday night...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. a chance of rain showers in the evening. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.monday...northwest winds 10 knots or less becoming south and
increasing to 15 to 20 knots. waves 1 to 3 feet building to 2 to
4 feet. 
.tuesday...south winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. rain showers likely during the
day. waves 3 to 6 feet building to 4 to 7 feet, then subsiding to
3 to 5 feet. waves occasionally around 9 feet. 
.wednesday...west winds 5 to 15 knots becoming south. a chance of
rain showers wednesday night. waves 2 to 4 feet subsiding to 1 to
3 feet. 

$$
fzus63 kdtx 040907
glflh 
expires:202302041715;;775797

open lake forecast for lake huron
national weather service detroit/pontiac mi
407 am est sat feb 4 2023

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...strong high pressure, 30.70 inches, will continue
sliding southeastward across the great lakes through the first
half of the weekend. a weak clipper system tracking south of
james bay saturday will result in a tightened pressure gradient
across the northern and central great lakes, resulting in a brief
period of enhanced winds and sporadic gusts to gales this
afternoon across lake huron, although duration looks to be brief
to not warrant any headlines. a second clipper system will then
track through the region for the latter half of the weekend
dragging a cold front through the local waters.


lhz462>464-041715-
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-
407 am est sat feb 4 2023

.today...south winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to around 30 knots in the late morning and afternoon.
waves 4 to 6 feet building to 6 to 9 feet in the late morning and
afternoon. waves occasionally around 12 feet. 
.tonight...southwest winds 15 to 20 knots. gusts to 30 knots
early in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.sunday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 4 to 6 feet. 
.sunday night...west winds 10 to 15 knots veering to the
northwest in the late evening and overnight. waves 2 to 4 feet.
waves occasionally around 8 feet. 
.monday...northwest winds 5 to 10 knots backing to the southwest
late in the morning...then becoming south 15 to 20 knots with
gusts to around 30 knots late in the afternoon increasing to
30 knots with gusts to 40 knot gales late in the evening. waves
2 to 4 feet subsiding to 1 to 3 feet late in the morning...then
building to 3 to 5 feet late in the afternoon building to 6 to
9 feet late in the evening. waves occasionally around 12 feet. 
.tuesday...south winds to 30 knots with gusts to 40 knot gales
becoming southwest 15 to 20 knots with gusts to around 30 knots
until early evening...then becoming west 10 to 15 knots in the
late evening and early morning. a chance of rain early in the
morning. waves 6 to 9 feet subsiding to 3 to 5 feet until early
morning. waves occasionally around 12 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then becoming
south 10 to 15 knots until early morning. a chance of rain in the
late evening and early morning. waves 2 to 4 feet subsiding to
1 to 3 feet. 


$$
fzus63 kdtx 040907
glfsc 
expires:202302041715;;775827

lake st clair forecast
national weather service detroit/pontiac mi
407 am est sat feb 4 2023

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...strong high pressure, 30.70 inches, will continue
sliding southeastward across the great lakes through the first
half of the weekend. a weak clipper system tracking south of
james bay saturday will result in a tightened pressure gradient
across the northern and central great lakes, resulting in a brief
period of enhanced winds and sporadic gusts to gales this
afternoon across lake huron, although duration looks to be brief
to not warrant any headlines. a second clipper system will then
track through the region for the latter half of the weekend
dragging a cold front through the local waters.


lcz460-041715-
lake st clair-
407 am est sat feb 4 2023

.today...south winds 10 to 15 knots increasing to 15 to 20 knots in
the late morning and afternoon. mostly sunny. waves nearly calm.
.tonight...southwest winds 10 to 15 knots increasing to 15 to 20
knots after midnight. cloudy. waves nearly calm.
.sunday...southwest winds 15 to 20 knots diminishing to 10 to 15
knots early in the afternoon. cloudy. waves nearly calm.
.sunday night...west winds 10 to 15 knots becoming northwest 5 to 10
knots after midnight. cloudy in the evening becoming partly cloudy.
waves nearly calm.
.monday...north winds 5 to 10 knots veering to the southeast in the
afternoon...then increasing to 15 to 20 knots in the evening. mostly
sunny becoming partly sunny in the afternoon becoming mostly cloudy.
waves nearly calm.
.tuesday...west winds 20 to 25 knots with gusts to 35 knot gales.
mostly cloudy with a chance of light rain. waves nearly calm.  a
gale warning may be needed.
.wednesday...southeast winds 10 to 15 knots. partly cloudy. a chance
of light rain. waves nearly calm.

wave heights are for ice free areas.

$$
fzus63 kdtx 040907
glflh 
expires:202302041715;;775795

open lake forecast for lake huron
national weather service detroit/pontiac mi
407 am est sat feb 4 2023

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...strong high pressure, 30.70 inches, will continue
sliding southeastward across the great lakes through the first
half of the weekend. a weak clipper system tracking south of
james bay saturday will result in a tightened pressure gradient
across the northern and central great lakes, resulting in a brief
period of enhanced winds and sporadic gusts to gales this
afternoon across lake huron, although duration looks to be brief
to not warrant any headlines. a second clipper system will then
track through the region for the latter half of the weekend
dragging a cold front through the local waters.


lhz361-041715-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
407 am est sat feb 4 2023

.today...south winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to around 30 knots late in the morning...then becoming
southwest 15 to 20 knots in the afternoon. a chance of snow
showers in the morning. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.tonight...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the morning. waves 3 to 5 feet subsiding to
1 to 3 feet early in the morning. 
.sunday...southwest winds 5 to 10 knots becoming west 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet
building to 3 to 5 feet in the late morning and afternoon. 
.sunday night...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet subsiding to 2 to 4 feet after
midnight. waves occasionally around 8 feet. 
.monday...light and variable winds becoming southeast 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
late in the afternoon becoming southeast 20 to 25 knots with
gusts to around 30 knots late in the evening. a chance of rain
late in the evening. waves 1 to 3 feet building to 6 to 9 feet
late in the afternoon. waves occasionally around 12 feet. 
.tuesday...south winds 15 to 20 knots with gusts to around
30 knots veering to the southwest in the late morning and early
afternoon...then veering to the west early in the evening
decreasing to 10 to 15 knots in the late evening and early
morning. waves 5 to 7 feet subsiding to 3 to 5 feet in the late
evening and early morning. waves occasionally around 10 feet. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. waves 2 to 4 feet subsiding to 1 to
3 feet. 


$$
fzus63 kdtx 040907
glflh 
expires:202302041715;;775796

open lake forecast for lake huron
national weather service detroit/pontiac mi
407 am est sat feb 4 2023

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...strong high pressure, 30.70 inches, will continue
sliding southeastward across the great lakes through the first
half of the weekend. a weak clipper system tracking south of
james bay saturday will result in a tightened pressure gradient
across the northern and central great lakes, resulting in a brief
period of enhanced winds and sporadic gusts to gales this
afternoon across lake huron, although duration looks to be brief
to not warrant any headlines. a second clipper system will then
track through the region for the latter half of the weekend
dragging a cold front through the local waters.


lhz362-363-041715-
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-
407 am est sat feb 4 2023

.today...south winds 20 to 25 knots with gusts to 30 knots. waves
5 to 7 feet building to 10 to 14 feet in the late morning and 
afternoon. waves occasionally around 18 feet. 
.tonight...southwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late evening and
overnight. waves 6 to 9 feet subsiding to 5 to 7 feet early in
the morning. waves occasionally around 12 feet. 
.sunday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.sunday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...north winds 5 to 10 knots becoming southeast 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
with gusts to around 30 knots late in the afternoon increasing to
30 knots with gusts to 40 knot gales late in the evening. waves
2 to 4 feet building to 8 to 12 feet late in the afternoon. waves
occasionally around 15 feet. 
.tuesday...south winds to 30 knots with gusts to 40 knot gales
becoming southwest 15 to 20 knots with gusts to around 30 knots
until early evening...then becoming west 10 to 15 knots in the
late evening and early morning. waves 6 to 9 feet subsiding to
4 to 6 feet in the late evening and early morning. waves
occasionally around 12 feet. 
.wednesday...west winds 10 to 15 knots backing to the south until
early morning. waves 3 to 5 feet. 


$$
fzus63 kmkx 040844 cca
glflm 
expires:202302041630;;774236

open lake forecast for lake michigan...corrected
national weather service milwaukee/sullivan wi
244 am cst sat feb 4 2023

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 30.7 inches over the ohio river valley early this
morning will continue to head southeast ahead of an approaching
trough. south to southwest winds will be gusty today into tonight
between these systems. gusts to or just over 30 knots are likely
today, with a few gusts possibly cracking gale force. there is a
brief window for gales in the south tonight, though confidence
isn't high enough for a watch or warning at this point. 

low pressure of 29.7 inches will move through northern lake
michigan tonight into sunday, dragging a cold front through the
area and flipping the winds to the northwest. lighter winds sunday
night under high pressure will increase again later monday into
monday night, with a higher chance for gales during this period.


lmz261-362-364-366-563-565-567-868-041630-
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-
209 am cst sat feb 4 2023

sheboygan wi to pentwater mi north...

.today...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible. freezing spray this morning. slight chance 
of snow showers this morning. waves 8 to 11 ft occasionally to 14 
ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.tonight...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
slight chance of snow showers overnight. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.sunday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday night...northwest winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.monday...south winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 2 to 4 ft building to 6 to 9 ft occasionally to
12 ft. 
.monday night...south gales to 40 kt becoming southwest. chance
of rain. waves 10 to 14 ft occasionally to 18 ft. 
.tuesday...west gales to 35 kt diminishing to 30 kt. waves 8 to
11 ft occasionally to 14 ft subsiding to 4 to 7 ft occasionally
to 9 ft. 
.wednesday...southwest winds 10 to 20 kt increasing to 15 to
25 kt. waves 2 to 4 ft.  

$$
fzus63 kmkx 040844 cca
glflm 
expires:202302041630;;774237

open lake forecast for lake michigan...corrected
national weather service milwaukee/sullivan wi
244 am cst sat feb 4 2023

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 30.7 inches over the ohio river valley early this
morning will continue to head southeast ahead of an approaching
trough. south to southwest winds will be gusty today into tonight
between these systems. gusts to or just over 30 knots are likely
today, with a few gusts possibly cracking gale force. there is a
brief window for gales in the south tonight, though confidence
isn't high enough for a watch or warning at this point. 

low pressure of 29.7 inches will move through northern lake
michigan tonight into sunday, dragging a cold front through the
area and flipping the winds to the northwest. lighter winds sunday
night under high pressure will increase again later monday into
monday night, with a higher chance for gales during this period.


lmz080-669-671-673-675-777-779-870-872-874-876-878-041630-
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-
209 am cst sat feb 4 2023

sheboygan wi to pentwater mi south...

.today...south winds to 30 kt becoming southwest. freezing spray
this morning. waves 8 to 11 ft occasionally to 14 ft subsiding to
6 to 9 ft occasionally to 12 ft. 
.tonight...southwest winds to 30 kt increasing to gales to 35 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.sunday...west winds to 30 kt diminishing to 15 to 25 kt late in
the morning, then becoming northwest 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. 
.sunday night...northwest winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.monday...south winds 15 to 25 kt becoming southeast to 30 kt.
waves 3 to 5 ft building to 6 to 9 ft occasionally to 12 ft. 
.monday night...south gales to 40 kt becoming southwest gales to
45 kt. chance of rain. waves 10 to 14 ft occasionally to 18 ft. 
.tuesday...west winds to 30 kt diminishing to 15 to 25 kt. waves
7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.wednesday...southwest winds 10 to 15 kt becoming south. waves
1 to 3 ft.  

$$
fzus63 kmqt 040904
glfls 
expires:202302041715;;775444

open lake forecast for lake superior
national weather service marquette mi
404 am est sat feb 4 2023

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 30.6 inch high pressure currently centered over the
ohio valley shifts east to the mid-atlantic coast today. a broad 
29.8 inch low pressure moves east across the canadian prairies
today then across lake superior tonight. ridging builds to 30.2 
inches across the great lakes region by sunday night then to 30.4 
inches by monday evening across quebec. a 29.4 inch low pressure 
tracks across the canadian prairies on monday then deepens to 29.1
inches over southern hudson bay tuesday afternoon. this low 
pressure drags a 29.6 inch trough across lake superior tuesday 
morning with 30.2 ridging building over the great lakes by 
wednesday morning. 29.9 inch troughing will briefly skim the
northern great lakes on wednesday. 



lsz264-041715-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
404 am est sat feb 4 2023

.early this morning...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. snow
showers likely. waves 7 to 10 feet occasionally to 13 feet. 
.today...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible becoming west 15 to 25 knots. heavy freezing
spray. a chance of snow showers. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.tonight...west winds 5 to 15 knots veering north by midnight. a
chance of snow showers. waves subsiding to 1 to 3 feet. 
.sunday...north winds 5 to 15 knots backing northwest by mid
afternoon. a slight chance of snow showers in the morning. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots increasing to 20 to 30 knots
in the afternoon. waves building to 4 to 7 feet occasionally to
9 feet. 
.monday night...south gales to 40 knots becoming southwest gales
to 35 knots after midnight. rain and snow showers. waves building
to 6 to 10 feet occasionally to 13 feet. 
.tuesday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to 2 to 4 feet. 
.wednesday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 1 to 3 feet. 

$$
fzus63 kmqt 040904
glfls 
expires:202302041715;;775445

open lake forecast for lake superior
national weather service marquette mi
404 am est sat feb 4 2023

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 30.6 inch high pressure currently centered over the
ohio valley shifts east to the mid-atlantic coast today. a broad 
29.8 inch low pressure moves east across the canadian prairies
today then across lake superior tonight. ridging builds to 30.2 
inches across the great lakes region by sunday night then to 30.4 
inches by monday evening across quebec. a 29.4 inch low pressure 
tracks across the canadian prairies on monday then deepens to 29.1
inches over southern hudson bay tuesday afternoon. this low 
pressure drags a 29.6 inch trough across lake superior tuesday 
morning with 30.2 ridging building over the great lakes by 
wednesday morning. 29.9 inch troughing will briefly skim the
northern great lakes on wednesday. 



lsz265-041715-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
404 am est sat feb 4 2023

.early this morning...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible. a chance of snow showers. waves
2 to 4 feet. 
.today...southwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering west by
midnight, then becoming northwest 10 to 20 knots late. a slight
chance of snow showers. waves calm to 2 feet. 
.sunday...north winds 10 to 20 knots becoming northwest 15 to
25 knots by late morning, then diminishing to 10 to 20 knots by
mid afternoon. a slight chance of snow showers in the morning.
waves building to 2 to 4 feet. 
.sunday night...northwest winds 10 to 20 knots becoming southwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...south winds 5 to 15 knots increasing to 20 to 30 knots
in the afternoon. waves building to 3 to 5 feet occasionally to
7 feet. 
.monday night...south gales to 35 knots becoming southwest 20 to
30 knots after midnight. rain and snow showers likely in the
evening, then a chance of rain and snow showers after midnight.
waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to calm to 2 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 040904
glfls 
expires:202302041715;;775442

open lake forecast for lake superior
national weather service marquette mi
404 am est sat feb 4 2023

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 30.6 inch high pressure currently centered over the
ohio valley shifts east to the mid-atlantic coast today. a broad 
29.8 inch low pressure moves east across the canadian prairies
today then across lake superior tonight. ridging builds to 30.2 
inches across the great lakes region by sunday night then to 30.4 
inches by monday evening across quebec. a 29.4 inch low pressure 
tracks across the canadian prairies on monday then deepens to 29.1
inches over southern hudson bay tuesday afternoon. this low 
pressure drags a 29.6 inch trough across lake superior tuesday 
morning with 30.2 ridging building over the great lakes by 
wednesday morning. 29.9 inch troughing will briefly skim the
northern great lakes on wednesday. 



lsz162-041715-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
404 am est sat feb 4 2023 /304 am cst sat feb 4 2023/

.early this morning...southwest winds 20 to 30 knots. heavy
freezing spray. a chance of snow showers. waves 5 to 8 feet
occasionally to 10 feet. 
.today...southwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. heavy freezing spray in the morning. a
slight chance of snow showers in the morning. waves subsiding to
2 to 4 feet. 
.tonight...southwest winds 5 to 15 knots veering west by
midnight, then becoming north 10 to 20 knots late. a slight
chance of snow showers. waves subsiding to calm to 2 feet. 
.sunday...north winds 10 to 20 knots backing west by mid
afternoon. a slight chance of snow showers in the morning. waves
calm to 2 feet. 
.sunday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.monday...south winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves building to 2 to 4 feet. 
.monday night...south winds 15 to 25 knots veering west after
midnight. rain and snow showers likely in the evening, then a
chance of snow showers, possibly mixed with rain after midnight.
waves 2 to 4 feet. 
.tuesday...west winds 15 to 25 knots backing southwest. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
1 to 3 feet. 
.wednesday...southwest winds 10 to 20 knots veering west. waves
building to 2 to 4 feet, then subsiding to calm to 2 feet. 

$$
fzus63 kmqt 040904
glfls 
expires:202302041715;;775447

open lake forecast for lake superior
national weather service marquette mi
404 am est sat feb 4 2023

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 30.6 inch high pressure currently centered over the
ohio valley shifts east to the mid-atlantic coast today. a broad 
29.8 inch low pressure moves east across the canadian prairies
today then across lake superior tonight. ridging builds to 30.2 
inches across the great lakes region by sunday night then to 30.4 
inches by monday evening across quebec. a 29.4 inch low pressure 
tracks across the canadian prairies on monday then deepens to 29.1
inches over southern hudson bay tuesday afternoon. this low 
pressure drags a 29.6 inch trough across lake superior tuesday 
morning with 30.2 ridging building over the great lakes by 
wednesday morning. 29.9 inch troughing will briefly skim the
northern great lakes on wednesday. 



lsz267-041715-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
404 am est sat feb 4 2023

.early this morning...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. snow
showers likely. waves 6 to 9 feet occasionally to 11 feet. 
.today...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 15 to 25 knots. heavy
freezing spray. a slight chance of snow showers. waves building
to 7 to 10 feet occasionally to 13 feet, then subsiding to 2 to
4 feet. 
.tonight...southwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then veering west late. a chance of snow
showers. waves subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots becoming north 10 to
20 knots by late morning, then becoming northwest 15 to 25 knots
by mid afternoon. a chance of snow showers. waves building to
2 to 4 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a slight chance of snow showers in
the evening. waves subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots increasing to 20 to 30 knots
in the afternoon. waves building to 5 to 8 feet occasionally to
10 feet. 
.monday night...south gales to 40 knots. a chance of snow showers
in the evening, then rain and snow showers after midnight. waves
building to 8 to 11 feet occasionally to 14 feet, then subsiding
to 6 to 9 feet occasionally to 11 feet. 
.tuesday...west gales to 35 knots diminishing to 20 to 30 knots.
a chance of rain and snow showers. waves subsiding to 5 to 8 feet
occasionally to 10 feet, then building to 6 to 9 feet
occasionally to 11 feet. 
.wednesday...southwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$
fzus63 kmqt 040904
glfls 
expires:202302041715;;775446

open lake forecast for lake superior
national weather service marquette mi
404 am est sat feb 4 2023

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 30.6 inch high pressure currently centered over the
ohio valley shifts east to the mid-atlantic coast today. a broad 
29.8 inch low pressure moves east across the canadian prairies
today then across lake superior tonight. ridging builds to 30.2 
inches across the great lakes region by sunday night then to 30.4 
inches by monday evening across quebec. a 29.4 inch low pressure 
tracks across the canadian prairies on monday then deepens to 29.1
inches over southern hudson bay tuesday afternoon. this low 
pressure drags a 29.6 inch trough across lake superior tuesday 
morning with 30.2 ridging building over the great lakes by 
wednesday morning. 29.9 inch troughing will briefly skim the
northern great lakes on wednesday. 



lsz266-041715-
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-
404 am est sat feb 4 2023

.early this morning...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. snow
showers likely. waves 6 to 9 feet occasionally to 11 feet. 
.today...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 10 to 20 knots. heavy
freezing spray in the morning. a slight chance of snow showers.
waves building to 7 to 10 feet occasionally to 13 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...southwest winds 5 to 15 knots veering west by
midnight, then becoming northwest 10 to 20 knots late. a chance
of snow showers. waves subsiding to 1 to 3 feet. 
.sunday...north winds 10 to 20 knots increasing to 15 to 25 knots
by late morning, then backing northwest by mid afternoon. a
slight chance of snow showers in the morning. waves building to
3 to 5 feet occasionally to 7 feet. 
.sunday night...northwest winds 10 to 20 knots becoming southwest
5 to 15 knots after midnight. a slight chance of snow showers in
the evening. waves subsiding to calm to 2 feet. 
.monday...south winds 10 to 20 knots increasing to gales to
35 knots in the afternoon. waves building to 5 to 8 feet
occasionally to 10 feet. 
.monday night...south gales to 40 knots. rain and snow showers.
waves building to 8 to 11 feet occasionally to 14 feet, then
subsiding to 6 to 9 feet occasionally to 11 feet. 
.tuesday...west winds 20 to 30 knots. waves subsiding to 2 to
4 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. waves subsiding to 1 to 3 feet. 

$$
fzus63 kmqt 040904
glfls 
expires:202302041715;;775443

open lake forecast for lake superior
national weather service marquette mi
404 am est sat feb 4 2023

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 30.6 inch high pressure currently centered over the
ohio valley shifts east to the mid-atlantic coast today. a broad 
29.8 inch low pressure moves east across the canadian prairies
today then across lake superior tonight. ridging builds to 30.2 
inches across the great lakes region by sunday night then to 30.4 
inches by monday evening across quebec. a 29.4 inch low pressure 
tracks across the canadian prairies on monday then deepens to 29.1
inches over southern hudson bay tuesday afternoon. this low 
pressure drags a 29.6 inch trough across lake superior tuesday 
morning with 30.2 ridging building over the great lakes by 
wednesday morning. 29.9 inch troughing will briefly skim the
northern great lakes on wednesday. 



lsz263-041715-
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-
404 am est sat feb 4 2023

.early this morning...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible. heavy freezing spray. a chance
of snow showers. waves 6 to 9 feet occasionally to 11 feet
building to 7 to 10 feet occasionally to 13 feet. 
.today...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 15 to 25 knots. heavy
freezing spray. a chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 5 to 15 knots veering north by midnight,
then increasing to 10 to 20 knots late. a chance of snow showers.
waves subsiding to 1 to 3 feet. 
.sunday...north winds 10 to 20 knots backing northwest by mid
afternoon. a slight chance of snow showers in the morning. waves
subsiding to calm to 2 feet. 
.sunday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.monday...south winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves building to 3 to 5 feet occasionally to
7 feet. 
.monday night...south winds 20 to 30 knots veering west after
midnight. rain and snow showers likely in the evening, then a
chance of rain and snow showers after midnight. waves building to
4 to 7 feet occasionally to 9 feet. 
.tuesday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet. 

$$
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