fzus61 kbuf 161402
glflo 
expires:202609162100;;547842

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed sep 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...a weak cold front will settle south of the lake this 
afternoon, then stall just south of the lake through thursday. a 
30.4 inch high will then build from northwest ontario province 
thursday night to southern quebec by saturday morning before moving 
off the new england coast by sunday while weakening to 30.2 inches. 
another 30.4 inch high will then build from northwest ontario 
province sunday to western quebec monday. meanwhile, a 29.8 inch low 
will move into the lower ohio valley by monday.


loz063>065-162100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed sep 16 2026

.this afternoon...southwest winds 5 to 10 knots becoming west.
waves 2 feet or less. 
.tonight...west winds 5 to 10 knots becoming east. waves 1 foot
or less. 
.thursday...east winds less than 10 knots becoming north. a
chance of showers. waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less increasing to
10 to 15 knots. waves 2 feet or less. 
.friday...north winds 15 to 20 knots becoming east 10 to
15 knots. waves 1 to 3 feet. 
.saturday...east winds 5 to 15 knots. a chance of showers during
the day, then showers likely saturday night. waves 1 to 3 feet. 
.sunday...northeast winds 15 to 20 knots. showers likely during
the day. waves 1 to 3 feet building to 2 to 4 feet. 

$$

fzus61 kbuf 161402
glflo 
expires:202609162100;;547841

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed sep 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...a weak cold front will settle south of the lake this 
afternoon, then stall just south of the lake through thursday. a 
30.4 inch high will then build from northwest ontario province 
thursday night to southern quebec by saturday morning before moving 
off the new england coast by sunday while weakening to 30.2 inches. 
another 30.4 inch high will then build from northwest ontario 
province sunday to western quebec monday. meanwhile, a 29.8 inch low 
will move into the lower ohio valley by monday.


loz062-162100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed sep 16 2026

.this afternoon...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 
.tonight...northwest winds 10 knots or less becoming east. waves
1 foot or less. 
.thursday...northeast winds 10 knots or less becoming north. a
chance of showers. waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less. waves 2 feet
or less. 
.friday...north winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.saturday...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day, then showers likely
saturday night. waves 2 to 4 feet. 
.sunday...northeast winds 15 to 20 knots. a chance of showers
during the day. waves 3 to 5 feet. 

$$

fzus61 kcle 161326
glfle 
expires:202609162015;;547145

open lake forecast for lake erie
national weather service cleveland oh
issued by national weather service wilmington oh
926 am edt wed sep 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 cold front settles across the ohio valley through thursday. low
pressure 30.20 will move along the front before moving southward 
as high pressure 30.22 builds in from the north friday into 
saturday.


lez061-169-162015-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from conneaut oh to ripley ny-
926 am edt wed sep 16 2026

.rest of today...west winds 10 knots or less becoming northeast.
a chance of showers late this morning, then a slight chance of
showers this afternoon. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less. a slight chance of
showers early, then a slight chance of showers and thunderstorms
late in the evening. a chance of showers with a slight chance of
thunderstorms after midnight. waves 1 foot or less. 
.thursday...northeast winds 5 to 10 knots becoming north. a
chance of showers in the morning. waves 1 foot or less. 
.thursday night...north winds 5 to 10 knots. waves 2 feet or
less. 
.friday...north winds 5 to 15 knots becoming east. waves 2 feet
or less. 
.saturday...east winds 5 to 15 knots. showers. waves 1 to 3 feet.
.sunday...northeast winds 15 to 20 knots. a chance of showers
during the day. waves 1 to 3 feet building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 161326
glfle 
expires:202609162015;;547143

open lake forecast for lake erie
national weather service cleveland oh
issued by national weather service wilmington oh
926 am edt wed sep 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 cold front settles across the ohio valley through thursday. low
pressure 30.20 will move along the front before moving southward 
as high pressure 30.22 builds in from the north friday into 
saturday.


lez162>164-162015-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
lake erie open waters from the islands to vermilion oh-
926 am edt wed sep 16 2026

.rest of today...northeast winds 10 knots or less. a chance of
showers late this morning, then a chance of showers with a slight
chance of thunderstorms this afternoon. waves 1 foot or less. 
.tonight...northeast winds 5 to 10 knots becoming east. a chance
of showers with a slight chance of thunderstorms through the
early overnight, then showers likely with a slight chance of
thunderstorms late. waves 1 foot or less. 
.thursday...northeast winds 5 to 10 knots becoming north. a
chance of showers in the morning. waves 1 foot or less. 
.thursday night...north winds 5 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming northeast.
showers. waves 1 to 2 feet. 
.sunday...northeast winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet building to 3 to 5 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 161326
glfle 
expires:202609162015;;547144

open lake forecast for lake erie
national weather service cleveland oh
issued by national weather service wilmington oh
926 am edt wed sep 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 cold front settles across the ohio valley through thursday. low
pressure 30.20 will move along the front before moving southward 
as high pressure 30.22 builds in from the north friday into 
saturday.


lez165>168-162015-
lake erie open waters from vermilion to avon point oh-
lake erie open waters from avon point to willowick oh-
lake erie open waters from willowick to geneva-on-the-lake oh-
lake erie open waters from geneva-on-the-lake to conneaut oh-
926 am edt wed sep 16 2026

.rest of today...west winds 10 knots or less becoming northeast.
a chance of showers late this morning, then a slight chance of
showers early this afternoon. a slight chance of showers and
thunderstorms late. waves 1 foot or less. 
.tonight...northeast winds 5 to 10 knots becoming east. a slight
chance of showers and thunderstorms in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
waves 1 foot or less. 
.thursday...east winds 5 to 10 knots becoming north. a chance of
showers in the morning. waves 1 foot or less. 
.thursday night...north winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots becoming east. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...east winds 10 to 15 knots increasing to 15 to
20 knots. showers likely during the day, then showers saturday
night. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots becoming east. a chance
of showers. waves 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 161351
glfsc 
expires:202609162200;;547555

lake st clair forecast
national weather service detroit/pontiac mi
951 am edt wed sep 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...a weak cold front sinks across the great lakes early
this morning, with high pressure then passing across northern
ontario the rest of the day. the cold front stalls near the
southern great lakes into thursday. another cold front passes
southward through the region thursday night into early friday.


lcz460-162200-
lake st clair-
951 am edt wed sep 16 2026

.rest of today...northeast winds 5 to 10 knots. cloudy with
scattered light showers. waves 2 feet or less.
.tonight...northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. mostly cloudy this evening
becoming partly cloudy. a chance of light showers in the late
evening and overnight. waves 2 feet or less.
.thursday...north winds 5 to 10 knots. partly sunny. waves 2 feet or
less.
.thursday night...north winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.friday...north winds 10 to 15 knots becoming northeast 5 to 10
knots in the afternoon...then increasing to 10 to 15 knots in the
evening. mostly sunny in the morning becoming partly cloudy. waves 2
feet or less.
.saturday...east winds 15 to 20 knots. showers. waves 2 feet or
less.
.sunday...northeast winds 15 to 20 knots. mostly cloudy with
showers. waves 1 to 3 feet.

$$

fzus63 kdtx 161347
glflh 
expires:202609162200;;547469

open lake forecast for lake huron
national weather service detroit/pontiac mi
947 am edt wed sep 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...a weak cold front sinks across the great lakes early
this morning, with high pressure then passing across northern
ontario the rest of the day. the cold front stalls near the
southern great lakes into thursday. another cold front passes
southward through the region thursday night into early friday.


lhz462>464-162200-
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-
947 am edt wed sep 16 2026

.rest of today...north winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.tonight...north winds 10 to 15 knots becoming northeast 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.thursday...north winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...north winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 2 feet or less. 
.friday...north winds 10 to 15 knots veering to the east late in
the evening. a chance of showers late in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon. 
.saturday...southeast winds 10 to 15 knots increasing to 15 to
20 knots early in the evening...then becoming east 10 to 15 knots
by midnight. showers...then a chance of showers by midnight.
waves 2 to 4 feet. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers early in the morning. waves 2 to
4 feet. 


$$

fzus63 kdtx 161347
glflh 
expires:202609162200;;547468

open lake forecast for lake huron
national weather service detroit/pontiac mi
947 am edt wed sep 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...a weak cold front sinks across the great lakes early
this morning, with high pressure then passing across northern
ontario the rest of the day. the cold front stalls near the
southern great lakes into thursday. another cold front passes
southward through the region thursday night into early friday.


lhz362-363-162200-
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-
947 am edt wed sep 16 2026

.rest of today...north winds 5 to 10 knots. waves 1 to 3 feet. 
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.thursday...light and variable winds. waves 2 feet or less. 
.thursday night...light and variable winds becoming northwest
5 to 10 knots by midnight...then increasing to 10 to 15 knots
after midnight. waves 2 feet or less. 
.friday...north winds 10 to 15 knots becoming northeast 5 to
10 knots. a chance of showers late in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.saturday...southeast winds 10 to 15 knots. a chance of showers
early in the morning...then showers likely until early evening. a
chance of showers by midnight. waves 1 to 3 feet building to 2 to
4 feet. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
20 knots by midnight. waves 3 to 5 feet. 


$$

fzus63 kdtx 161347
glflh 
expires:202609162200;;547467

open lake forecast for lake huron
national weather service detroit/pontiac mi
947 am edt wed sep 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...a weak cold front sinks across the great lakes early
this morning, with high pressure then passing across northern
ontario the rest of the day. the cold front stalls near the
southern great lakes into thursday. another cold front passes
southward through the region thursday night into early friday.


lhz361-162200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
947 am edt wed sep 16 2026

.rest of today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds. waves 2 feet or less. 
.thursday...light and variable winds. waves 2 feet or less. 
.thursday night...west winds 5 to 10 knots becoming northwest
10 to 15 knots in the late evening and overnight. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots veering to the northeast late
in the morning...then becoming light and variable late in the
afternoon becoming southeast 5 to 10 knots late in the evening. a
chance of showers late in the evening. waves 2 feet or less. 
.saturday...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet building to 2 to 4 feet. 
.sunday...northeast winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then increasing to 10 to 15 knots
by midnight. waves 1 to 3 feet building to 2 to 4 feet by
midnight. 


$$

fzus63 kmkx 161359
glflm 
expires:202609162115;;547741

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt wed sep 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...

high pressure around 30.4 inches will track east across southern
ontario through today, with mostly northeast winds. a frontal 
feature stalled over the southern tip of the lake may allow for 
isolated thunderstorms through today. predominantly light and 
variable winds expected late tonight through thursday as high 
pressure continues to build eastward and additional reinforcing 
high pressure builds back in across the canadian prairies.

breezy east to northeast winds may then develop friday into this 
weekend as low pressure around 29.8 inches develops in the 
central plains and lifts into the upper midwest by saturday.
gusty southeasterly winds develop saturday as low pressure
approaches, crossing the southern portion of the lake as high
pressure continues across ontario, bringing continued generally
easterly winds and perhaps gales at times throughout the day.
saturday night, winds turn northeasterly, continuing through
sunday. gale potential diminishes late saturday night, although
gusts around 30 kt are possible through sunday for the southern
two-thirds.


lmz261-362-364-366-563-565-567-868-162115-
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-
859 am cdt wed sep 16 2026

sheboygan wi to pentwater mi north...

.rest of today...northeast winds 10 to 15 kt. waves 2 to 4 ft
subsiding to 1 to 2 ft. 
.tonight...northeast winds 10 to 15 kt becoming east 5 to 10 kt.
chance of showers overnight. waves 1 to 2 ft. 
.thursday...east winds 5 to 10 kt backing to northwest. waves
1 to 2 ft. 
.thursday night...north winds 10 to 20 kt becoming northeast.
waves 1 to 2 ft. 
.friday...northeast winds 10 to 20 kt becoming east 10 to 15 kt.
waves 1 to 3 ft. 
.friday night...east winds 15 to 25 kt becoming southeast to
30 kt. showers likely. waves 3 to 5 ft building to 6 to 9 ft
occasionally to 12 ft. 
.saturday...southeast winds to 30 kt becoming east. chance of
showers. waves 7 to 10 ft occasionally to 13 ft. 
.sunday...northeast winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft.  

$$

fzus63 kmkx 161359
glflm 
expires:202609162115;;547742

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt wed sep 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...

high pressure around 30.4 inches will track east across southern
ontario through today, with mostly northeast winds. a frontal 
feature stalled over the southern tip of the lake may allow for 
isolated thunderstorms through today. predominantly light and 
variable winds expected late tonight through thursday as high 
pressure continues to build eastward and additional reinforcing 
high pressure builds back in across the canadian prairies.

breezy east to northeast winds may then develop friday into this 
weekend as low pressure around 29.8 inches develops in the 
central plains and lifts into the upper midwest by saturday.
gusty southeasterly winds develop saturday as low pressure
approaches, crossing the southern portion of the lake as high
pressure continues across ontario, bringing continued generally
easterly winds and perhaps gales at times throughout the day.
saturday night, winds turn northeasterly, continuing through
sunday. gale potential diminishes late saturday night, although
gusts around 30 kt are possible through sunday for the southern
two-thirds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-162115-
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-
859 am cdt wed sep 16 2026

sheboygan wi to pentwater mi south...

.rest of today...northeast winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers and slight chance of thunderstorms
through mid morning, then chance of showers this afternoon. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt becoming east 10 to 15 kt,
then diminishing to 5 to 10 kt late. chance of showers and slight
chance of thunderstorms. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday...northeast winds 5 to 10 kt becoming north 10 to
15 kt. chance of showers in the morning. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt becoming northeast
10 to 20 kt. waves 1 to 3 ft. 
.friday...east winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft. 
.friday night...east winds 15 to 25 kt becoming southeast to
30 kt. showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft building to 7 to 10 ft occasionally to
13 ft. 
.saturday...southeast winds to 30 kt. showers with a chance of
thunderstorms. waves 8 to 11 ft occasionally to 14 ft subsiding
to 7 to 10 ft occasionally to 13 ft. 
.sunday...northeast winds to 30 kt. chance of showers. waves 6 to
9 ft occasionally to 12 ft.  

$$

fzus63 kmqt 161357
glfls 
expires:202609162000;;547698

open lake forecast for lake superior
national weather service marquette mi
957 am edt wed sep 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...

this morning, 30.3 inch high pressure west of lake superior builds 
to 30.4 inches as it moves over the lake. the high weakens to 30.3 
inches over quebec early thursday morning as 29.9 inch low pressure 
moves slong the western hudson bay shoreline. meanwhile, 30.4 inch 
high pressure develops over north dakota and manitoba. this high 
moves over northern ontario and lake superior by friday morning as 
the low pushes into quebec and another 29.9 inch low develops over 
south dakota and nebraska. the high weakens to 30.3 inches as it 
moves to the quebec/ontario line saturday morning as the low shifts 
to the upper mississippi valley. by sunday morning, another 30.3 
inch high will move over northwestern ontario. the high shifts to 
northeastern ontario monday morning.





lsz264-162000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
957 am edt wed sep 16 2026

.rest of today...north winds less than 10 knots veering southeast
late. waves calm to 2 feet. 
.tonight...southeast winds less than 10 knots becoming south 5 to
15 knots after midnight. a chance of showers. waves calm to
2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...east winds 5 to 15 knots backing northeast. waves
calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots veering east. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 161357
glfls 
expires:202609162000;;547699

open lake forecast for lake superior
national weather service marquette mi
957 am edt wed sep 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...

this morning, 30.3 inch high pressure west of lake superior builds 
to 30.4 inches as it moves over the lake. the high weakens to 30.3 
inches over quebec early thursday morning as 29.9 inch low pressure 
moves slong the western hudson bay shoreline. meanwhile, 30.4 inch 
high pressure develops over north dakota and manitoba. this high 
moves over northern ontario and lake superior by friday morning as 
the low pushes into quebec and another 29.9 inch low develops over 
south dakota and nebraska. the high weakens to 30.3 inches as it 
moves to the quebec/ontario line saturday morning as the low shifts 
to the upper mississippi valley. by sunday morning, another 30.3 
inch high will move over northwestern ontario. the high shifts to 
northeastern ontario monday morning.





lsz265-162000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
957 am edt wed sep 16 2026

.rest of today...north winds 5 to 15 knots veering east late.
waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south late. a
slight chance of showers. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots veering northwest late.
waves calm to 2 feet. 
.thursday night...north winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.friday...east winds 10 to 20 knots. a slight chance of showers
by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...southeast winds 10 to 20 knots. waves calm to
2 feet. 
.saturday...east winds 15 to 25 knots becoming northeast 10 to
20 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.sunday...northeast winds 15 to 25 knots veering east. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 161357
glfls 
expires:202609162000;;547696

open lake forecast for lake superior
national weather service marquette mi
957 am edt wed sep 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...

this morning, 30.3 inch high pressure west of lake superior builds 
to 30.4 inches as it moves over the lake. the high weakens to 30.3 
inches over quebec early thursday morning as 29.9 inch low pressure 
moves slong the western hudson bay shoreline. meanwhile, 30.4 inch 
high pressure develops over north dakota and manitoba. this high 
moves over northern ontario and lake superior by friday morning as 
the low pushes into quebec and another 29.9 inch low develops over 
south dakota and nebraska. the high weakens to 30.3 inches as it 
moves to the quebec/ontario line saturday morning as the low shifts 
to the upper mississippi valley. by sunday morning, another 30.3 
inch high will move over northwestern ontario. the high shifts to 
northeastern ontario monday morning.





lsz162-162000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
957 am edt wed sep 16 2026 /857 am cdt wed sep 16 2026/

.rest of today...northeast winds 5 to 15 knots veering east in
the afternoon. a slight chance of showers by mid afternoon. waves
calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots backing northwest late.
a slight chance of showers. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...east winds 15 to 25 knots. a chance of showers. waves
building to 1 to 3 feet. 
.friday night...east winds 15 to 25 knots. waves building to 2 to
4 feet. 
.saturday...northeast winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.sunday...northeast gales to 35 knots becoming east 20 to
30 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 161357
glfls 
expires:202609162000;;547701

open lake forecast for lake superior
national weather service marquette mi
957 am edt wed sep 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...

this morning, 30.3 inch high pressure west of lake superior builds 
to 30.4 inches as it moves over the lake. the high weakens to 30.3 
inches over quebec early thursday morning as 29.9 inch low pressure 
moves slong the western hudson bay shoreline. meanwhile, 30.4 inch 
high pressure develops over north dakota and manitoba. this high 
moves over northern ontario and lake superior by friday morning as 
the low pushes into quebec and another 29.9 inch low develops over 
south dakota and nebraska. the high weakens to 30.3 inches as it 
moves to the quebec/ontario line saturday morning as the low shifts 
to the upper mississippi valley. by sunday morning, another 30.3 
inch high will move over northwestern ontario. the high shifts to 
northeastern ontario monday morning.





lsz267-162000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
957 am edt wed sep 16 2026

.rest of today...northwest winds 10 to 20 knots becoming north
5 to 15 knots in the afternoon. waves 1 to 3 feet subsiding to
calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering south after midnight.
a slight chance of showers. waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon, then veering northwest late. waves
calm to 2 feet. 
.thursday night...northwest winds 10 to 20 knots veering north
after midnight. waves building to 1 to 3 feet. 
.friday...east winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.friday night...east winds 5 to 15 knots becoming southeast 10 to
20 knots after midnight. waves calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots backing northeast.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots becoming east 10 to
20 knots. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 161357
glfls 
expires:202609162000;;547700

open lake forecast for lake superior
national weather service marquette mi
957 am edt wed sep 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...

this morning, 30.3 inch high pressure west of lake superior builds 
to 30.4 inches as it moves over the lake. the high weakens to 30.3 
inches over quebec early thursday morning as 29.9 inch low pressure 
moves slong the western hudson bay shoreline. meanwhile, 30.4 inch 
high pressure develops over north dakota and manitoba. this high 
moves over northern ontario and lake superior by friday morning as 
the low pushes into quebec and another 29.9 inch low develops over 
south dakota and nebraska. the high weakens to 30.3 inches as it 
moves to the quebec/ontario line saturday morning as the low shifts 
to the upper mississippi valley. by sunday morning, another 30.3 
inch high will move over northwestern ontario. the high shifts to 
northeastern ontario monday morning.





lsz266-162000-
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-
957 am edt wed sep 16 2026

.rest of today...north winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then veering northeast late. waves
1 to 3 feet subsiding to calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight. a slight chance of showers. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots veering northwest
late. waves calm to 2 feet. 
.thursday night...north winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.friday...east winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...east winds 5 to 15 knots becoming southeast 10 to
20 knots after midnight. waves calm to 2 feet. 
.saturday...east winds 10 to 20 knots backing northeast. waves
calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots veering east. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 161357
glfls 
expires:202609162000;;547697

open lake forecast for lake superior
national weather service marquette mi
957 am edt wed sep 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...

this morning, 30.3 inch high pressure west of lake superior builds 
to 30.4 inches as it moves over the lake. the high weakens to 30.3 
inches over quebec early thursday morning as 29.9 inch low pressure 
moves slong the western hudson bay shoreline. meanwhile, 30.4 inch 
high pressure develops over north dakota and manitoba. this high 
moves over northern ontario and lake superior by friday morning as 
the low pushes into quebec and another 29.9 inch low develops over 
south dakota and nebraska. the high weakens to 30.3 inches as it 
moves to the quebec/ontario line saturday morning as the low shifts 
to the upper mississippi valley. by sunday morning, another 30.3 
inch high will move over northwestern ontario. the high shifts to 
northeastern ontario monday morning.





lsz263-162000-
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-
957 am edt wed sep 16 2026

.rest of today...north winds less than 10 knots veering northeast
in the afternoon, then becoming east 5 to 15 knots late. waves
calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight, then veering southwest late. a slight chance of
showers. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. waves building to 1 to 3 feet. 
.friday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. a slight chance of showers by mid afternoon.
waves 1 to 3 feet. 
.friday night...east winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.saturday...east winds 15 to 25 knots becoming northeast 10 to
20 knots. waves calm to 2 feet. 
.sunday...northeast winds 20 to 30 knots veering east. waves
building to 2 to 4 feet, then subsiding to calm to 2 feet. 

$$