fzus61 kbuf 171502
glflo 
expires:202511172200;;568035

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon nov 17 2025

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 28.8 low will make its way across the canadian 
maritimes today, before withdrawing northward across labrador on 
tuesday. a 30.3 inch high will then build from the upper great lakes 
tuesday to the lower great lakes wednesday, then to new england 
thursday. a 29.6 inch low over central ontario will then make its 
way to quebec friday, while pushing its trailing cold front across 
the lake.


loz062-172200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est mon nov 17 2025

.this afternoon...northwest winds 20 to 25 knots. a chance of snow
showers. waves 5 to 8 feet. waves occasionally around 10 feet. 
.tonight...northwest winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 5 to 10 knots becoming north.
waves 1 foot or less. 
.wednesday...north winds less than 10 knots becoming southeast.
waves 1 foot or less. 
.thursday...east winds 10 knots or less becoming south. rain
showers likely thursday night. waves 1 foot or less. 
.friday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. showers likely during the day, then a chance of showers
friday night. waves 1 to 3 feet building to 2 to 4 feet. 

$$

fzus61 kbuf 171502
glflo 
expires:202511172200;;568036

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon nov 17 2025

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 28.8 low will make its way across the canadian 
maritimes today, before withdrawing northward across labrador on 
tuesday. a 30.3 inch high will then build from the upper great lakes 
tuesday to the lower great lakes wednesday, then to new england 
thursday. a 29.6 inch low over central ontario will then make its 
way to quebec friday, while pushing its trailing cold front across 
the lake.


loz063-172200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est mon nov 17 2025

.this afternoon...northwest winds to 30 knots. a chance of snow
showers, then lake effect snow showers likely late. waves 7 to
10 feet. waves occasionally around 13 feet. 
.tonight...northwest winds 15 to 25 knots. a chance of snow and
rain showers in the evening, then a chance of snow showers after
midnight. waves 5 to 9 feet subsiding to 4 to 7 feet. waves
occasionally around 11 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots becoming north. waves
1 to 2 feet. 
.wednesday...north winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.thursday...southeast winds 10 knots or less becoming south and
increasing to 15 to 20 knots. rain showers likely thursday night.
waves 1 to 3 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest.
showers. waves 2 to 4 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 171502
glflo 
expires:202511172200;;568037

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon nov 17 2025

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 28.8 low will make its way across the canadian 
maritimes today, before withdrawing northward across labrador on 
tuesday. a 30.3 inch high will then build from the upper great lakes 
tuesday to the lower great lakes wednesday, then to new england 
thursday. a 29.6 inch low over central ontario will then make its 
way to quebec friday, while pushing its trailing cold front across 
the lake.


loz064-065-172200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est mon nov 17 2025

.this afternoon...northwest winds to 30 knots. a chance of snow
showers late. waves 7 to 10 feet. waves occasionally around
13 feet. 
.tonight...northwest winds 15 to 25 knots. waves 6 to 10 feet
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots becoming northwest.
waves 1 to 3 feet subsiding to 1 foot or less. 
.wednesday...northwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.thursday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. rain showers likely thursday night. waves 1 to 3 feet. 
.friday...south winds 15 to 25 knots becoming northwest. rain
showers. waves 3 to 6 feet. 

$$

fzus61 kcle 172031
glfle 
expires:202511180330;;580880

open lake forecast for lake erie
national weather service cleveland oh
331 pm est mon nov 17 2025

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 30.20 inches builds over lake erie tonight, followed
by a trough averaging 30.00 inches tuesday. high pressure 30.10
inches builds back in for tuesday night through wednesday night. a
cold front tracks through the region late thursday night through
early friday.



lez061-166>169-180330-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
331 pm est mon nov 17 2025

.tonight...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. a slight chance of rain early. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.tuesday...west winds 10 knots or less becoming south. a slight
chance of rain late in the morning. a chance of rain in the
afternoon. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday night...southeast winds 5 to 10 knots becoming
northeast. a chance of rain in the evening. waves 1 foot or less.
.wednesday...northeast winds 5 to 10 knots. waves 1 foot or less.
.wednesday night...northeast winds 10 knots or less becoming
east. waves 1 foot or less. 
.thursday...southeast winds 10 knots or less becoming southwest
10 to 15 knots. rain likely thursday night. waves 1 to 3 feet. 
.friday...west winds 15 to 20 knots becoming north 10 to
15 knots. rain likely during the day, then a chance of rain
friday night. waves 2 to 4 feet. 
.saturday...north winds 5 to 15 knots becoming southwest. a
chance of rain during the day. waves 1 to 3 feet. 

$$

fzus61 kcle 172031
glfle 
expires:202511180330;;580878

open lake forecast for lake erie
national weather service cleveland oh
331 pm est mon nov 17 2025

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 30.20 inches builds over lake erie tonight, followed
by a trough averaging 30.00 inches tuesday. high pressure 30.10
inches builds back in for tuesday night through wednesday night. a
cold front tracks through the region late thursday night through
early friday.



lez162-163-180330-
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-
331 pm est mon nov 17 2025

.tonight...northwest winds 10 knots or less becoming north. a
slight chance of rain and snow late. waves 2 feet or less. 
.tuesday...northeast winds 10 knots or less becoming east. a
chance of rain and snow early, then rain from late morning on.
waves 1 foot or less. 
.tuesday night...east winds around 10 knots becoming northeast. a
chance of rain in the evening. waves 1 foot or less. 
.wednesday...northeast winds 5 to 10 knots. waves 1 foot or less.
.wednesday night...east winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.thursday...south winds 10 knots or less becoming southwest. rain
likely thursday night. waves 2 feet or less. 
.friday...west winds 10 to 15 knots becoming north. a chance of
rain. waves 1 to 2 feet. 
.saturday...north winds 5 to 15 knots becoming southwest. waves
2 feet or less. 

$$

fzus61 kcle 172031
glfle 
expires:202511180330;;580879

open lake forecast for lake erie
national weather service cleveland oh
331 pm est mon nov 17 2025

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 30.20 inches builds over lake erie tonight, followed
by a trough averaging 30.00 inches tuesday. high pressure 30.10
inches builds back in for tuesday night through wednesday night. a
cold front tracks through the region late thursday night through
early friday.



lez164-165-180330-
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-
331 pm est mon nov 17 2025

.tonight...northwest winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...west winds 10 knots or less becoming southeast. a
slight chance of rain early, then a chance of rain late in the
morning. rain in the afternoon. waves 1 foot or less. 
.tuesday night...east winds 5 to 10 knots becoming northeast. a
chance of rain in the evening. waves 1 foot or less. 
.wednesday...northeast winds around 10 knots. waves around
1 foot. 
.wednesday night...east winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.thursday...south winds 10 knots or less becoming southwest 10 to
15 knots. rain likely thursday night. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots becoming north. rain likely
during the day, then a chance of rain friday night. waves 2 to
4 feet. 
.saturday...north winds 5 to 15 knots becoming southwest. a
chance of rain during the day. waves 1 to 3 feet. 

$$

fzus63 kdtx 172042
glfsc 
expires:202511180445;;581357

lake st clair forecast
national weather service detroit/pontiac mi
342 pm est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lcz460-180445-
lake st clair-
342 pm est mon nov 17 2025

.tonight...northwest winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.tuesday...light and variable winds becoming east 5 to 10 knots late
in the afternoon. mostly cloudy. a chance of light snow in the
morning. a chance of light rain in the late morning and afternoon.
waves 2 feet or less.
.tuesday night...northeast winds 5 to 10 knots. mostly cloudy until
early morning becoming partly cloudy. waves 2 feet or less.
.wednesday...northeast winds 5 to 10 knots until late afternoon
becoming light and variable. partly sunny. waves 2 feet or less.
.wednesday night...light and variable winds. mostly cloudy early in
the evening becoming partly cloudy. waves nearly calm.
.thursday...light and variable winds becoming south 5 to 10 knots in
the afternoon...then increasing to 10 to 15 knots in the evening.
mostly cloudy. light rain likely in the evening. waves 2 feet or
less.
.friday...north winds 10 to 15 knots. mostly cloudy. light rain
likely. waves 2 feet or less.
.saturday...west winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.

$$

fzus63 kdtx 172041
glflh 
expires:202511180445;;581355

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lhz463-464-180445-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
341 pm est mon nov 17 2025

.tonight...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and afternoon. 
.tuesday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...north winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 feet or less. 
.wednesday night...light and variable winds becoming south 5 to
10 knots after midnight. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots increasing to 10 to
15 knots. rain likely late in the afternoon. waves 2 feet or less
building to 2 to 4 feet late in the afternoon. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots until early morning. rain likely early in the morning...
then a chance of rain. waves 3 to 5 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the evening...then becoming southwest 10 to
15 knots in the late evening and early morning. a chance of rain
early in the morning. waves 3 to 5 feet subsiding to 1 to 3 feet
until early morning. 


$$

fzus63 kdtx 172041
glflh 
expires:202511180445;;581354

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lhz363-462-180445-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
341 pm est mon nov 17 2025

.tonight...northwest winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.tuesday...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and afternoon. 
.tuesday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.wednesday night...light and variable winds becoming south 5 to
10 knots after midnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. rain likely late in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. 
.friday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. a chance of rain
early in the morning. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the evening...then becoming southwest 10 to
15 knots in the late evening and early morning. waves 2 to 4 feet
subsiding to 1 to 3 feet until early morning. 


$$

fzus63 kdtx 172041
glflh 
expires:202511180445;;581353

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lhz361-362-180445-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
341 pm est mon nov 17 2025

.tonight...northwest winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.tuesday...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.tuesday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.wednesday...light and variable winds. waves 2 feet or less. 
.wednesday night...light and variable winds becoming southwest
5 to 10 knots in the late evening and overnight. waves 2 feet or
less. 
.thursday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. a chance of rain. waves 1 to 3 feet building to 3 to
5 feet late in the afternoon. 
.friday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. a chance of rain
early in the morning. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.saturday...northwest winds 10 to 15 knots backing to the
southwest until early morning. waves 2 to 4 feet subsiding to
1 to 3 feet. 


$$

fzus63 kdtx 171438
glflh 
expires:202511172245;;567071

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lhz361-172245-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
938 am est mon nov 17 2025

.rest of today...northwest winds 15 to 20 knots. waves 4 to
6 feet. waves occasionally around 8 feet. 
.tonight...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet subsiding to 1 to 3 feet early in the
morning. 
.tuesday...northwest winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming south 5 to
10 knots late in the evening. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots increasing to 10 to
15 knots until early morning. a chance of rain in the late
morning and early afternoon. rain until early morning. waves 1 to
3 feet building to 2 to 4 feet in the late evening and early
morning. 
.friday...west winds 10 to 15 knots becoming northwest 15 to
20 knots until early evening...then decreasing to 10 to 15 knots
in the late evening and early morning. a chance of rain until
afternoon. waves 3 to 5 feet. 


$$

fzus63 kdtx 171438
glflh 
expires:202511172245;;567073

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lhz462>464-172245-
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-
938 am est mon nov 17 2025

.rest of today...northwest winds 20 to 25 knots decreasing to
15 to 20 knots in the afternoon. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tonight...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.tuesday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...north winds 5 to 10 knots in the morning becoming
light and variable...then becoming southeast 5 to 10 knots late
in the evening. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots increasing to 10 to
15 knots until early morning. rain until early morning. waves
2 feet or less building to 2 to 4 feet until early morning. 
.friday...southwest winds 15 to 20 knots veering to the northwest
until early evening...then becoming north 10 to 15 knots in the
late evening and early morning. rain early in the morning...then
a chance of rain. waves 3 to 5 feet. 


$$

fzus63 kdtx 171438
glflh 
expires:202511172245;;567072

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am est mon nov 17 2025

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, 30.20 inches, will expand across the
western great lake today and across lower michigan tonight. this
will result in steadily decreasing winds on the lakes today. the
high will become centered over the northern lakes tuesday and
tuesday night as low pressure, 29.90 inches moves across the ohio
valley. high pressure will then expand back across the entire
region wednesday.


lhz362-363-172245-
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-
938 am est mon nov 17 2025

.rest of today...northwest winds 20 to 25 knots decreasing to
15 to 20 knots late in the afternoon. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tonight...northwest winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 4 to 6 feet. 
.tuesday...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. waves
occasionally around 8 feet. 
.tuesday night...north winds 5 to 10 knots. waves 2 feet or less.
.wednesday...light and variable winds becoming south 5 to
10 knots late in the evening. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots increasing to 10 to
15 knots. a chance of rain in the late morning and early
afternoon. rain until early morning. waves 2 feet or less
building to 2 to 4 feet until early morning. 
.friday...southwest winds 15 to 20 knots veering to the northwest
until early evening...then decreasing to 10 to 15 knots in the
late evening and early morning. rain likely early in the
morning...then a chance of rain in the late morning and early
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 


$$

fzus63 kmkx 172038
glflm 
expires:202511180415;;581202

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cst mon nov 17 2025

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 of 29.8 inches will move from the central plains through
the central mississippi valley region tonight into tomorrow
afternoon. as this happens, light and variable winds overnight,
will come around to southeasterly and easterly through tomorrow
morning. winds will become breezy over the southern half of the
lake as the low moves into the ohio river valley tomorrow evening.
winds then ease wednesday as high pressure of 30.3 inches moves
over the lake.


lmz080-669-671-673-675-777-779-870-872-874-876-878-180415-
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-
238 pm cst mon nov 17 2025

sheboygan wi to pentwater mi south...

.tonight...northeast winds 5 to 10 kt becoming east late this
evening, then becoming southeast after midnight becoming 10 to
20 kt late. rain overnight. waves 1 to 3 ft. 
.tuesday...east winds 10 to 20 kt. rain in the morning, then
slight chance of rain in the afternoon. waves 3 to 5 ft. 
.tuesday night...east winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...east winds 10 to 15 kt becoming southeast 5 to
10 kt. waves 2 to 4 ft. 
.wednesday night...south winds 5 to 10 kt becoming southwest.
waves 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt. chance of rain in the
afternoon. waves 2 to 4 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest.
chance of rain. waves 2 to 4 ft building to 3 to 5 ft. 
.friday...northwest winds 10 to 20 kt becoming north. chance of
rain. waves 4 to 6 ft occasionally to 8 ft. 
.saturday...northeast winds 10 to 15 kt veering to southwest
10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 172038
glflm 
expires:202511180415;;581201

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cst mon nov 17 2025

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 of 29.8 inches will move from the central plains through
the central mississippi valley region tonight into tomorrow
afternoon. as this happens, light and variable winds overnight,
will come around to southeasterly and easterly through tomorrow
morning. winds will become breezy over the southern half of the
lake as the low moves into the ohio river valley tomorrow evening.
winds then ease wednesday as high pressure of 30.3 inches moves
over the lake.


lmz261-362-364-366-563-565-567-868-180415-
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-
238 pm cst mon nov 17 2025

sheboygan wi to pentwater mi north...

.tonight...north winds 10 to 20 kt becoming northeast 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.tuesday...northeast winds 10 to 15 kt. chance of rain. waves
1 to 2 ft. 
.tuesday night...northeast winds 5 to 10 kt becoming north. waves
1 to 2 ft. 
.wednesday...south winds 5 to 10 kt becoming southwest. waves
1 ft or less. 
.wednesday night...south winds 10 to 15 kt becoming southwest.
waves 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt. chance of rain in the
morning, then rain likely in the afternoon. waves 2 to 4 ft. 
.thursday night...west winds 15 to 25 kt becoming northwest 10 to
20 kt. chance of rain. waves 2 to 4 ft. 
.friday...northwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft.  

$$

fzus63 kmqt 171502
glfls 
expires:202511172100;;567981

open lake forecast for lake superior
national weather service marquette mi
1001 am est mon nov 17 2025

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 averaging 30.1 inches will build over lake superior 
today through tuesday while a 28.8 inch low moves north through the 
canadian maritimes. 30.2 inch ridging will continue to encompass the 
great lakes basin wednesday, shifting into new england by thursday 
as a 29.8 inch low develops over northern ontario.



lsz266-172100-
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-
1001 am est mon nov 17 2025

.rest of today...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by mid afternoon. a slight chance of snow showers
late in the morning. waves 4 to 7 feet occasionally to 9 feet
subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots becoming north 10 to
20 knots by midnight, then diminishing to 5 to 15 knots late.
waves subsiding to 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves building to 1 to 3 feet. 
.thursday...south winds 10 to 20 knots becoming northwest 15 to
25 knots. a chance of rain showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of rain and snow showers. waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 171502
glfls 
expires:202511172100;;567980

open lake forecast for lake superior
national weather service marquette mi
1001 am est mon nov 17 2025

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 averaging 30.1 inches will build over lake superior 
today through tuesday while a 28.8 inch low moves north through the 
canadian maritimes. 30.2 inch ridging will continue to encompass the 
great lakes basin wednesday, shifting into new england by thursday 
as a 29.8 inch low develops over northern ontario.



lsz265-172100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am est mon nov 17 2025

.rest of today...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 veering north by
midnight, then diminishing to 5 to 15 knots late. waves subsiding
to calm to 2 feet. 
.tuesday...north winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots becoming west 20 to
30 knots. rain showers, then a chance of rain showers. waves
building to 2 to 4 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 171502
glfls 
expires:202511172100;;567979

open lake forecast for lake superior
national weather service marquette mi
1001 am est mon nov 17 2025

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 averaging 30.1 inches will build over lake superior 
today through tuesday while a 28.8 inch low moves north through the 
canadian maritimes. 30.2 inch ridging will continue to encompass the 
great lakes basin wednesday, shifting into new england by thursday 
as a 29.8 inch low develops over northern ontario.



lsz264-172100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am est mon nov 17 2025

.rest of today...north winds 10 to 20 knots backing northwest.
waves 3 to 6 feet occasionally to 8 feet subsiding to 1 to
3 feet. 
.tonight...north winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.tuesday...north winds less than 10 knots backing northwest.
waves calm to 2 feet. 
.tuesday night...west winds less than 10 knots becoming southwest
5 to 15 knots after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. a chance of rain showers. waves
1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots becoming northwest
15 to 25 knots. rain showers likely, then a chance of rain
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 171502
glfls 
expires:202511172100;;567978

open lake forecast for lake superior
national weather service marquette mi
1001 am est mon nov 17 2025

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 averaging 30.1 inches will build over lake superior 
today through tuesday while a 28.8 inch low moves north through the 
canadian maritimes. 30.2 inch ridging will continue to encompass the 
great lakes basin wednesday, shifting into new england by thursday 
as a 29.8 inch low develops over northern ontario.



lsz263-172100-
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-
1001 am est mon nov 17 2025

.rest of today...northwest winds 10 to 20 knots diminishing to
5 to 15 knots. waves 2 to 4 feet subsiding to calm to 2 feet. 
.tonight...north winds 5 to 15 knots veering northeast late.
waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots becoming east less than
10 knots by late morning, then veering west by mid afternoon.
waves calm to 2 feet. 
.tuesday night...southwest winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots becoming northwest
15 to 25 knots. rain showers likely. waves building to 3 to
5 feet occasionally to 7 feet. 
.friday...northwest winds 15 to 25 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 171502
glfls 
expires:202511172100;;567977

open lake forecast for lake superior
national weather service marquette mi
1001 am est mon nov 17 2025

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 averaging 30.1 inches will build over lake superior 
today through tuesday while a 28.8 inch low moves north through the 
canadian maritimes. 30.2 inch ridging will continue to encompass the 
great lakes basin wednesday, shifting into new england by thursday 
as a 29.8 inch low develops over northern ontario.



lsz162-172100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am est mon nov 17 2025 /901 am cst mon nov 17 2025/

.rest of today...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.tonight...north winds 5 to 15 knots veering northeast by
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a slight chance of rain showers in the
afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots veering northwest.
rain showers likely. waves calm to 2 feet. 
.friday...northwest winds 10 to 20 knots backing west. waves calm
to 2 feet. 

$$

fzus63 kmqt 171502
glfls 
expires:202511172100;;567982

open lake forecast for lake superior
national weather service marquette mi
1001 am est mon nov 17 2025

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 averaging 30.1 inches will build over lake superior 
today through tuesday while a 28.8 inch low moves north through the 
canadian maritimes. 30.2 inch ridging will continue to encompass the 
great lakes basin wednesday, shifting into new england by thursday 
as a 29.8 inch low develops over northern ontario.



lsz267-172100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am est mon nov 17 2025

.rest of today...north winds 20 to 30 knots backing northwest. a
slight chance of snow showers. waves 4 to 7 feet occasionally to
9 feet subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots veering north by
midnight, then diminishing to 10 to 20 knots late. a slight
chance of snow showers in the evening. waves subsiding to 1 to
3 feet. 
.tuesday...north winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing northwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves building to 1 to 3 feet. 
.thursday...south winds 15 to 25 knots becoming southwest 20 to
30 knots. rain showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots. a chance of rain
showers, possibly mixed with snow. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 1 to 3 feet. 

$$