fzus61 kbuf 162003
glflo 
expires:202610170300;;213180

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt fri oct 16 2026

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...behind a recent cold front passage, a ridge averaging 
30.2 inches affects the lake through this wednesday. one embedded 
high pressure center wobbles northeastward from the central great 
plains to near newfoundland through sunday night. another embedded 
and reinforcing high pressure center should move from near manitoba 
to near the canadian maritimes this monday through wednesday.


loz062-170300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt fri oct 16 2026

.tonight...northwest winds to 30 knots becoming north. a chance
of showers early. waves 5 to 8 feet. waves occasionally around
10 feet. 
.saturday...north winds 15 to 25 knots becoming northwest and
diminishing to 5 to 15 knots. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.saturday night...west winds 5 to 15 knots becoming southwest.
waves 1 to 2 feet. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...southwest winds 10 knots or less becoming north. waves
2 feet or less. 
.tuesday...northeast winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 
.wednesday...northeast winds 5 to 15 knots becoming east. waves
1 to 2 feet. 

$$

fzus61 kbuf 162003
glflo 
expires:202610170300;;213181

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt fri oct 16 2026

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...behind a recent cold front passage, a ridge averaging 
30.2 inches affects the lake through this wednesday. one embedded 
high pressure center wobbles northeastward from the central great 
plains to near newfoundland through sunday night. another embedded 
and reinforcing high pressure center should move from near manitoba 
to near the canadian maritimes this monday through wednesday.


loz063>065-170300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt fri oct 16 2026

.tonight...northwest winds to 30 knots becoming north. a chance
of showers early. waves 5 to 8 feet. waves occasionally around
10 feet. 
.saturday...north winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. waves 5 to 8 feet subsiding to
1 to 3 feet. waves occasionally around 10 feet. 
.saturday night...northwest winds 5 to 10 knots becoming
southwest. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 10 to 15 knots becoming south.
waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming north less than
10 knots. waves 2 feet or less. 
.tuesday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.wednesday...northeast winds 5 to 15 knots becoming southeast.
waves 1 to 3 feet. 

$$

fzus61 kcle 161936
glfle 
expires:202610170215;;212487

open lake forecast for lake erie
national weather service cleveland oh
336 pm edt fri oct 16 2026

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... 
a surface trough averaging 29.90 inches will sag south across lake
erie tonight as a ridge of high pressure averaging 30.40 inches
builds from the west on saturday. high pressure 30.50 inches will
remain across the region through the middle of next week. 


lez162-163-170215-
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-
336 pm edt fri oct 16 2026

.tonight...northwest winds to 30 knots becoming north. a chance
of showers early, then a slight chance of showers. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.saturday...north winds 15 to 25 knots becoming northwest and
diminishing to 5 to 15 knots. waves 3 to 6 feet subsiding to
1 foot or less. 
.saturday night...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.sunday night...south winds 5 to 10 knots. waves 1 foot or less. 
.monday...southwest winds less than 10 knots. waves 1 foot or
less. 
.tuesday...north winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.wednesday...northeast winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 

$$

fzus61 kcle 161936
glfle 
expires:202610170215;;212488

open lake forecast for lake erie
national weather service cleveland oh
336 pm edt fri oct 16 2026

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... 
a surface trough averaging 29.90 inches will sag south across lake
erie tonight as a ridge of high pressure averaging 30.40 inches
builds from the west on saturday. high pressure 30.50 inches will
remain across the region through the middle of next week. 


lez164>168-170215-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
336 pm edt fri oct 16 2026

.tonight...northwest winds to 30 knots becoming north. a chance
of showers. waves 6 to 10 feet. waves occasionally around
13 feet. 
.saturday...north winds to 30 knots becoming northwest and
diminishing to 5 to 10 knots in the afternoon. waves 6 to 9 feet
subsiding to 1 to 3 feet. waves occasionally around 11 feet. 
.saturday night...west winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...south winds 5 to 10 knots. waves 1 to 2 feet. 
.monday...south winds 10 knots or less becoming northeast. waves
2 feet or less. 
.tuesday...northeast winds 5 to 15 knots becoming east. waves
1 foot or less. 
.wednesday...east winds 5 to 15 knots becoming southeast. waves
2 feet or less. 

$$

fzus61 kcle 161936
glfle 
expires:202610170215;;212489

open lake forecast for lake erie
national weather service cleveland oh
336 pm edt fri oct 16 2026

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... 
a surface trough averaging 29.90 inches will sag south across lake
erie tonight as a ridge of high pressure averaging 30.40 inches
builds from the west on saturday. high pressure 30.50 inches will
remain across the region through the middle of next week. 


lez061-169-170215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
336 pm edt fri oct 16 2026

.tonight...northwest winds to 30 knots becoming north. a chance
of showers early, then a slight chance of showers from late
evening on. waves 4 to 7 feet. waves occasionally around 9 feet. 
.saturday...north winds 15 to 25 knots becoming northwest and
diminishing to 5 to 15 knots. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.saturday night...northwest winds 10 knots or less becoming
southwest. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 5 to 10 knots becoming south.
waves 1 to 2 feet. 
.monday...south winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tuesday...northeast winds 5 to 10 knots. waves 1 foot or less. 
.wednesday...northeast winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 

$$

fzus63 kdtx 161945
glfsc 
expires:202610170400;;212692

lake st clair forecast
national weather service detroit/pontiac mi
345 pm edt fri oct 16 2026

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...deepening low pressure tracks into southern quebec
this afternoon. a strong cold front in its wake brings northerly
gales this afternoon and evening. a ridge of high pressure then
builds across the ohio valley on saturday and sunday with gusty
westerly winds across the central lakes.


lcz460-170400-
lake st clair-
345 pm edt fri oct 16 2026

...gale warning in effect from 7 pm edt this evening through late
tonight...

.tonight...north winds to 30 knots increasing to 35 knot gales late
in the evening...then diminishing to 30 knots after midnight. partly
cloudy. waves 3 to 5 feet. waves occasionally around 7 feet.
.saturday...north winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots late in the morning...then diminishing
to 10 to 15 knots early in the afternoon becoming west 5 to 10 knots
late in the afternoon. sunny. waves 2 to 4 feet subsiding to 2 feet
or less in the late morning and afternoon.
.saturday night...west winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. clear. waves 2 feet or
less.
.sunday...southwest winds 10 to 15 knots. sunny. waves 2 feet or
less.
.sunday night...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and overnight. clear. waves 2 feet or
less.
.monday...southwest winds 5 to 10 knots in the morning becoming
light and variable. clear. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots. clear. waves 2 feet or
less.
.wednesday...east winds 5 to 10 knots. clear. waves 2 feet or less.

$$

fzus63 kdtx 161945
glflh 
expires:202610170400;;212688

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt fri oct 16 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...deepening low pressure tracks into southern quebec
this afternoon. a strong cold front in its wake brings northerly
gales this afternoon and evening. a ridge of high pressure then
builds across the ohio valley on saturday and sunday with gusty
westerly winds across the central lakes.


lhz361-170400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 pm edt fri oct 16 2026

...gale warning in effect through late tonight...

.tonight...north winds 20 to 25 knots with gusts to 35 knot gales
decreasing to 10 to 15 knots. waves 4 to 6 feet. 
.saturday...northwest winds 5 to 10 knots backing to the west
late in the morning...then becoming southwest 10 to 15 knots
early in the afternoon becoming west 15 to 20 knots with gusts to
around 30 knots late in the afternoon. waves 1 to 3 feet building
to 3 to 5 feet late in the afternoon. waves occasionally around
8 feet. 
.saturday night...southwest winds 15 to 20 knots. gusts to
30 knots early in the evening. waves 3 to 5 feet. 
.sunday...southwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the afternoon.
waves 3 to 5 feet. 
.sunday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon. waves 2 feet or less. 
.tuesday...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 161945
glflh 
expires:202610170400;;212689

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt fri oct 16 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...deepening low pressure tracks into southern quebec
this afternoon. a strong cold front in its wake brings northerly
gales this afternoon and evening. a ridge of high pressure then
builds across the ohio valley on saturday and sunday with gusty
westerly winds across the central lakes.


lhz362-363-170400-
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-
345 pm edt fri oct 16 2026

...gale warning in effect through late tonight...

.tonight...north winds to 30 knots with gusts to 40 knot gales
decreasing to 15 to 20 knots. a chance of rain in the evening.
waves 10 to 14 feet. waves occasionally around 18 feet. 
.saturday...north winds 10 to 15 knots becoming northwest 5 to
10 knots late in the morning...then backing to the west early in
the afternoon becoming southwest 10 to 15 knots late in the
afternoon. waves 4 to 6 feet subsiding to 1 to 3 feet early in
the afternoon...then building to 2 to 4 feet late in the
afternoon. waves occasionally around 8 feet. 
.saturday night...southwest winds 15 to 20 knots. waves 4 to
6 feet. 
.sunday...southwest winds 20 to 25 knots with gusts to 35 knot
gales. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday night...south winds 20 to 25 knots with gusts to 35 knot
gales becoming southwest 10 to 15 knots. waves 8 to 12 feet
subsiding to 4 to 6 feet after midnight. waves occasionally
around 15 feet. 
.monday...southwest winds 10 to 15 knots in the morning
decreasing to 5 to 10 knots...then backing to the south late in
the afternoon becoming light and variable. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.tuesday...light and variable winds becoming east 5 to 10 knots
by midnight. waves 2 feet or less. 
.wednesday...southeast winds 5 to 10 knots. waves 2 feet or less.


$$

fzus63 kdtx 161945
glflh 
expires:202610170400;;212690

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt fri oct 16 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...deepening low pressure tracks into southern quebec
this afternoon. a strong cold front in its wake brings northerly
gales this afternoon and evening. a ridge of high pressure then
builds across the ohio valley on saturday and sunday with gusty
westerly winds across the central lakes.


lhz462>464-170400-
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-
345 pm edt fri oct 16 2026

...gale warning in effect through late tonight...

.tonight...northwest winds to 30 knots becoming north at 35 knot
gales late in the evening...then decreasing to 30 knots after
midnight decreasing to 20 to 25 knots early in the morning. rain
likely in the evening. waves 12 to 16 feet. waves occasionally
around 20 feet. 
.saturday...north winds 15 to 20 knots decreasing to 10 to
15 knots late in the morning...then becoming west 5 to 10 knots
in the afternoon. waves 6 to 9 feet subsiding to 3 to 5 feet in
the afternoon. waves occasionally around 12 feet. 
.saturday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. waves 2 to
4 feet. 
.sunday...southwest winds 15 to 20 knots. waves 3 to 5 feet. 
.sunday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. waves 3 to 5 feet. 
.monday...southwest winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.tuesday...light and variable winds becoming northeast 5 to
10 knots. waves 2 feet or less. 
.wednesday...east winds 5 to 10 knots until afternoon becoming
light and variable...then becoming east 5 to 10 knots by
midnight. waves 2 feet or less. 


$$

fzus63 kmkx 162021
glflm 
expires:202610170315;;214707

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
321 pm cdt fri oct 16 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 move well east
of the region tonight, as strong high pressure around 30.6
inches remains over the central plains. north gales are expected
to linger into this evening across lake michigan, before tapering
off later tonight. a gale warning remains in effect for all of 
the open waters of lake michigan until 1 am cdt saturday morning. 

scattered to numerous showers will linger into this evening 
across the lake, with a few thunderstorms and a waterspout 
possible over the south half of lake michigan. 

as the high shifts toward the ohio river valley on saturday, 
strong low pressure around 29.0 inches will develop in south
central canada, shifting toward and into hudson bay on sunday. 
this may bring southwest gales to far northern portions of lake 
michigan saturday night into sunday night. 

high pressure around 30.5 inches should develop east northeast
of the region next week, bringing dry conditions and light to
modest winds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-170315-
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-
321 pm cdt fri oct 16 2026

sheboygan wi to pentwater mi south...

...gale warning in effect until 1 am cdt saturday...

.tonight...north gales to 45 kt diminishing to 30 kt. slight
chance of waterspouts. scattered rain showers this evening, then
isolated rain showers overnight. waves 14 to 18 ft occasionally
to 23 ft subsiding to 8 to 12 ft occasionally to 16 ft. 
.saturday...north winds 10 to 20 kt backing to southwest 15 to
25 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.saturday night...southwest winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft. 
.sunday...southwest winds to 30 kt. waves 8 to 12 ft occasionally
to 16 ft. 
.sunday night...south winds to 30 kt becoming southwest 15 to
25 kt. waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to
7 ft occasionally to 9 ft. 
.monday...southwest winds 10 to 20 kt becoming south. waves 3 to
5 ft subsiding to 1 to 3 ft. 
.monday night...south winds 10 to 15 kt diminishing to less than
10 kt. waves 1 to 2 ft. 
.tuesday...east winds 5 to 10 kt diminishing to less than 10 kt.
waves 1 ft or less. 
.wednesday...southeast winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 162021
glflm 
expires:202610170315;;214706

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
321 pm cdt fri oct 16 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 move well east
of the region tonight, as strong high pressure around 30.6
inches remains over the central plains. north gales are expected
to linger into this evening across lake michigan, before tapering
off later tonight. a gale warning remains in effect for all of 
the open waters of lake michigan until 1 am cdt saturday morning. 

scattered to numerous showers will linger into this evening 
across the lake, with a few thunderstorms and a waterspout 
possible over the south half of lake michigan. 

as the high shifts toward the ohio river valley on saturday, 
strong low pressure around 29.0 inches will develop in south
central canada, shifting toward and into hudson bay on sunday. 
this may bring southwest gales to far northern portions of lake 
michigan saturday night into sunday night. 

high pressure around 30.5 inches should develop east northeast
of the region next week, bringing dry conditions and light to
modest winds.


lmz261-362-364-366-563-565-567-868-170315-
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-
321 pm cdt fri oct 16 2026

sheboygan wi to pentwater mi north...

...gale warning in effect until 1 am cdt saturday...

.tonight...north gales to 40 kt becoming northwest 10 to 20 kt. 
waves 12 to 16 ft occasionally to 21 ft subsiding to 4 to 7 ft 
occasionally to 9 ft. 
.saturday...west winds 10 to 20 kt increasing to 15 to 25 kt late
in the morning, then becoming southwest to 30 kt early in the
afternoon. waves 2 to 4 ft building to 5 to 8 ft occasionally to 
10 ft. 
.saturday night...southwest gales to 35 kt increasing to gales to
40 kt. waves 8 to 11 ft occasionally to 14 ft. 
.sunday...southwest gales to 40 kt. waves 10 to 14 ft
occasionally to 18 ft. 
.sunday night...southwest gales to 40 kt diminishing to gales to
35 kt. waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.monday...southwest winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.monday night...southwest winds 10 to 15 kt diminishing to less
than 10 kt. waves 1 to 3 ft. 
.tuesday...southeast winds 5 to 10 kt. waves 1 ft or less. 
.wednesday...south winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus63 kmqt 162001
glfls 
expires:202610170800;;213093

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri oct 16 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...

ridging builds to 30.4 inches over lake superior this evening as a 
30.6 inch parent high continues east over the plains tonight. the 
high then slides south of the great lakes at 30.5 inches by saturday 
night as a 29.2 inch alberta clipper moves through the northern 
canadian prairie provinces towards hudson bay, deepening to 29.0 
inches by the time it arrives at hudson bay on sunday. this low is 
expected to bring weak 30.0 inch troughing to northern lake superior 
throughout the day on sunday. as the low continues east over hudson 
bay and weakens with time sunday night into monday afternoon, expect 
high pressure ridging of 30.3 inches to return to the upper great 
lakes by monday. the high pressure ridging strengthens to 30.4 
inches over lake superior by tuesday as the now 30.5 inch parent 
high over northern ontario continues east into northern quebec. as 
the high continues to retreat eastward, the ridging over lake 
superior may potentially weaken to 30.2 inches by wednesday. 




lsz265-170800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt fri oct 16 2026

...gale warning in effect until 9 pm edt this evening...

.late this afternoon...north gales to 35 knots. waves 10 to
14 feet occasionally to 18 feet subsiding to 9 to 12 feet
occasionally to 15 feet. 
.tonight...north winds 20 to 30 knots becoming northwest 10 to
20 knots after midnight, then becoming west 15 to 25 knots late.
waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.saturday...west winds 20 to 30 knots becoming southwest 15 to
25 knots late. waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 2 to 4 feet. 
.saturday night...southwest winds 20 to 30 knots increasing to
gales to 35 knots late. waves building to 3 to 6 feet
occasionally to 8 feet. 
.sunday...southwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 1 to 3 feet. 
.sunday night...southwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. waves subsiding to calm to 2 feet.
.monday...west winds 5 to 15 knots veering northeast by mid
afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.tuesday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves calm to 2 feet. 
.wednesday...south winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 162001
glfls 
expires:202610170800;;213094

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri oct 16 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...

ridging builds to 30.4 inches over lake superior this evening as a 
30.6 inch parent high continues east over the plains tonight. the 
high then slides south of the great lakes at 30.5 inches by saturday 
night as a 29.2 inch alberta clipper moves through the northern 
canadian prairie provinces towards hudson bay, deepening to 29.0 
inches by the time it arrives at hudson bay on sunday. this low is 
expected to bring weak 30.0 inch troughing to northern lake superior 
throughout the day on sunday. as the low continues east over hudson 
bay and weakens with time sunday night into monday afternoon, expect 
high pressure ridging of 30.3 inches to return to the upper great 
lakes by monday. the high pressure ridging strengthens to 30.4 
inches over lake superior by tuesday as the now 30.5 inch parent 
high over northern ontario continues east into northern quebec. as 
the high continues to retreat eastward, the ridging over lake 
superior may potentially weaken to 30.2 inches by wednesday. 




lsz266-170800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
401 pm edt fri oct 16 2026

...gale warning in effect until 9 pm edt this evening...

.late this afternoon...north gales to 40 knots. waves 11 to
15 feet occasionally to 19 feet subsiding to 10 to 14 feet
occasionally to 18 feet. 
.tonight...north winds 20 to 30 knots becoming northwest 10 to
20 knots after midnight, then backing west late. waves subsiding
to 2 to 4 feet. 
.saturday...west winds 20 to 30 knots backing southwest late.
waves building to 8 to 11 feet occasionally to 14 feet, then
subsiding to 6 to 9 feet occasionally to 11 feet. 
.saturday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves subsiding to 4 to 7 feet
occasionally to 9 feet, then building to 6 to 9 feet occasionally
to 11 feet. 
.sunday...southwest winds 20 to 30 knots. waves building to 9 to
12 feet occasionally to 15 feet, then subsiding to 7 to 10 feet
occasionally to 13 feet. 
.sunday night...southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...west winds 5 to 15 knots veering north by mid
afternoon. waves subsiding to calm to 2 feet. 
.monday night...east winds less than 10 knots increasing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.tuesday...southeast winds 5 to 15 knots veering south. waves
calm to 2 feet. 
.wednesday...south winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 162001
glfls 
expires:202610170800;;213095

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri oct 16 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...

ridging builds to 30.4 inches over lake superior this evening as a 
30.6 inch parent high continues east over the plains tonight. the 
high then slides south of the great lakes at 30.5 inches by saturday 
night as a 29.2 inch alberta clipper moves through the northern 
canadian prairie provinces towards hudson bay, deepening to 29.0 
inches by the time it arrives at hudson bay on sunday. this low is 
expected to bring weak 30.0 inch troughing to northern lake superior 
throughout the day on sunday. as the low continues east over hudson 
bay and weakens with time sunday night into monday afternoon, expect 
high pressure ridging of 30.3 inches to return to the upper great 
lakes by monday. the high pressure ridging strengthens to 30.4 
inches over lake superior by tuesday as the now 30.5 inch parent 
high over northern ontario continues east into northern quebec. as 
the high continues to retreat eastward, the ridging over lake 
superior may potentially weaken to 30.2 inches by wednesday. 




lsz267-170800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt fri oct 16 2026

...gale warning in effect until 8 pm edt this evening...

.late this afternoon...north gales to 40 knots. waves 10 to
14 feet occasionally to 18 feet subsiding to 9 to 12 feet
occasionally to 15 feet. 
.tonight...north gales to 35 knots diminishing to 15 to 25 knots
after midnight, then becoming west 10 to 20 knots late. waves
subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday night...southwest winds 15 to 25 knots increasing to
gales to 35 knots. waves building to 5 to 8 feet occasionally to
10 feet. 
.sunday...southwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday night...southwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...southwest winds 5 to 15 knots veering west by mid
afternoon. waves subsiding to calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 
.wednesday...south winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 162001
glfls 
expires:202610170800;;213091

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri oct 16 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...

ridging builds to 30.4 inches over lake superior this evening as a 
30.6 inch parent high continues east over the plains tonight. the 
high then slides south of the great lakes at 30.5 inches by saturday 
night as a 29.2 inch alberta clipper moves through the northern 
canadian prairie provinces towards hudson bay, deepening to 29.0 
inches by the time it arrives at hudson bay on sunday. this low is 
expected to bring weak 30.0 inch troughing to northern lake superior 
throughout the day on sunday. as the low continues east over hudson 
bay and weakens with time sunday night into monday afternoon, expect 
high pressure ridging of 30.3 inches to return to the upper great 
lakes by monday. the high pressure ridging strengthens to 30.4 
inches over lake superior by tuesday as the now 30.5 inch parent 
high over northern ontario continues east into northern quebec. as 
the high continues to retreat eastward, the ridging over lake 
superior may potentially weaken to 30.2 inches by wednesday. 




lsz263-170800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
401 pm edt fri oct 16 2026

.late this afternoon...north winds 15 to 25 knots. waves 5 to
8 feet occasionally to 10 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight, then increasing to 15 to 25 knots late.
waves subsiding to calm to 2 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.saturday...southwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon. waves building to 8 to 11 feet occasionally to
14 feet, then subsiding to 6 to 9 feet occasionally to 11 feet. 
.saturday night...southwest winds to 30 knots with a few gale
force gusts to 40 knots possible. waves subsiding to 5 to 8 feet
occasionally to 10 feet, then building to 9 to 12 feet
occasionally to 15 feet. 
.sunday...southwest gales to 40 knots. waves building to 10 to
14 feet occasionally to 18 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday night...southwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming east less than
10 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...east winds less than 10 knots. waves calm to
2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots becoming southwest 10 to
20 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 162001
glfls 
expires:202610170800;;213090

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri oct 16 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...

ridging builds to 30.4 inches over lake superior this evening as a 
30.6 inch parent high continues east over the plains tonight. the 
high then slides south of the great lakes at 30.5 inches by saturday 
night as a 29.2 inch alberta clipper moves through the northern 
canadian prairie provinces towards hudson bay, deepening to 29.0 
inches by the time it arrives at hudson bay on sunday. this low is 
expected to bring weak 30.0 inch troughing to northern lake superior 
throughout the day on sunday. as the low continues east over hudson 
bay and weakens with time sunday night into monday afternoon, expect 
high pressure ridging of 30.3 inches to return to the upper great 
lakes by monday. the high pressure ridging strengthens to 30.4 
inches over lake superior by tuesday as the now 30.5 inch parent 
high over northern ontario continues east into northern quebec. as 
the high continues to retreat eastward, the ridging over lake 
superior may potentially weaken to 30.2 inches by wednesday. 




lsz162-170800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt fri oct 16 2026 /301 pm cdt fri oct 16 2026/

.late this afternoon...northwest winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet subsiding to 2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots backing west after
midnight, then becoming southwest 15 to 25 knots late. waves
subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.saturday...southwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon, then diminishing to 20 to 30 knots late. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 4 to 7 feet occasionally to 9 feet. 
.saturday night...southwest winds to 30 knots with a few gale
force gusts to 40 knots possible. waves building to 7 to 10 feet
occasionally to 13 feet. 
.sunday...southwest gales to 40 knots. waves building to 8 to
11 feet occasionally to 14 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.sunday night...southwest winds 15 to 25 knots becoming west 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...northwest winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.monday night...northeast winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 162001
glfls 
expires:202610170800;;213092

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri oct 16 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...

ridging builds to 30.4 inches over lake superior this evening as a 
30.6 inch parent high continues east over the plains tonight. the 
high then slides south of the great lakes at 30.5 inches by saturday 
night as a 29.2 inch alberta clipper moves through the northern 
canadian prairie provinces towards hudson bay, deepening to 29.0 
inches by the time it arrives at hudson bay on sunday. this low is 
expected to bring weak 30.0 inch troughing to northern lake superior 
throughout the day on sunday. as the low continues east over hudson 
bay and weakens with time sunday night into monday afternoon, expect 
high pressure ridging of 30.3 inches to return to the upper great 
lakes by monday. the high pressure ridging strengthens to 30.4 
inches over lake superior by tuesday as the now 30.5 inch parent 
high over northern ontario continues east into northern quebec. as 
the high continues to retreat eastward, the ridging over lake 
superior may potentially weaken to 30.2 inches by wednesday. 




lsz264-170800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt fri oct 16 2026

...gale warning in effect until 5 pm edt this afternoon...

.late this afternoon...north winds 20 to 30 knots. waves 6 to
10 feet occasionally to 13 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 5 to
15 knots after midnight, then becoming west 15 to 25 knots late.
waves subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.saturday...west winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible in the afternoon,
then diminishing to 20 to 30 knots late. waves building to 8 to
11 feet occasionally to 14 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.saturday night...southwest winds 20 to 30 knots increasing to
30 knots with a few gale force gusts to 40 knots possible after
midnight. waves subsiding to 5 to 8 feet occasionally to 10 feet,
then building to 9 to 12 feet occasionally to 15 feet. 
.sunday...southwest gales to 40 knots. waves building to 10 to
14 feet occasionally to 18 feet, then subsiding to 7 to 10 feet
occasionally to 13 feet. 
.sunday night...southwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...northwest winds 5 to 15 knots diminishing to less than
10 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...south winds less than 10 knots backing east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots becoming southwest 10 to
20 knots. waves building to 1 to 3 feet. 

$$