fzus61 kbuf 290203
glflo 
expires:202610290900;;886756

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt wed oct 28 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 ridge averaging 30.6 inches affects the lake through 
thursday as the embedded high pressure center wobbles southeastward 
from northern ontario to north atlantic waters southeast of the 
canadian maritimes. the ridge exits eastward thursday night as a 
cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through this saturday. the high will drift eastward while a 
29.9 inch low is expected to move into the lower mississippi valley 
sunday.


loz063>065-290900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt wed oct 28 2026

.overnight...southeast winds 10 to 15 knots becoming south.
waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest. showers likely in the evening, then a chance of
showers overnight. waves 3 to 5 feet. 
.friday...northwest winds 15 to 20 knots becoming west. waves
3 to 6 feet. 
.friday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds 10 knots or less becoming south.
waves 2 feet or less. 
.sunday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

fzus61 kbuf 290203
glflo 
expires:202610290900;;886755

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt wed oct 28 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 ridge averaging 30.6 inches affects the lake through 
thursday as the embedded high pressure center wobbles southeastward 
from northern ontario to north atlantic waters southeast of the 
canadian maritimes. the ridge exits eastward thursday night as a 
cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through this saturday. the high will drift eastward while a 
29.9 inch low is expected to move into the lower mississippi valley 
sunday.


loz062-290900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt wed oct 28 2026

.overnight...southeast winds less than 10 knots becoming
south. waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers late. waves 2 feet or less building
to 3 to 5 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest. a chance of showers in the evening. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots becoming west. waves
2 to 4 feet. 
.friday night...northwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...light and variable winds. waves 1 foot or less. 
.sunday...east winds less than 10 knots. waves 1 foot or less. 
.monday...southwest winds less than 10 knots becoming east. waves
1 foot or less. 

$$

fzus61 kcle 290155
glfle 
expires:202610290815;;886562

open lake forecast for lake erie
national weather service cleveland oh
955 pm edt wed oct 28 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 ridge averaging 30.20 inches exits to the southeast tonight. a
cold front will cross the lake thursday evening. high pressure of
30.40 inches builds over the eastern great lakes on friday and
persists through the weekend.


lez165>167-290815-
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-
955 pm edt wed oct 28 2026

.overnight...southeast winds 5 to 15 knots becoming
southwest. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of showers in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.friday...north winds 5 to 15 knots becoming northwest. waves
2 feet or less. 
.friday night...north winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming south. waves
2 feet or less. 
.monday...south winds 10 knots or less becoming southeast 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet. 

$$

fzus61 kcle 290155
glfle 
expires:202610290815;;886563

open lake forecast for lake erie
national weather service cleveland oh
955 pm edt wed oct 28 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 ridge averaging 30.20 inches exits to the southeast tonight. a
cold front will cross the lake thursday evening. high pressure of
30.40 inches builds over the eastern great lakes on friday and
persists through the weekend.


lez061-168-169-290815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
955 pm edt wed oct 28 2026

.overnight...southeast winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. showers likely in the evening, then a chance of
showers overnight. waves 2 to 4 feet. 
.friday...northwest winds 5 to 15 knots. waves 2 feet or less. 
.friday night...northwest winds 5 to 15 knots becoming northeast.
waves 1 foot or less. 
.saturday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 
.sunday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...south winds 10 knots or less becoming southeast 10 to
15 knots. waves 2 feet or less building to 2 to 4 feet. 

$$

fzus61 kcle 290155
glfle 
expires:202610290815;;886561

open lake forecast for lake erie
national weather service cleveland oh
955 pm edt wed oct 28 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 ridge averaging 30.20 inches exits to the southeast tonight. a
cold front will cross the lake thursday evening. high pressure of
30.40 inches builds over the eastern great lakes on friday and
persists through the weekend.


lez162>164-290815-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
955 pm edt wed oct 28 2026

.overnight...south winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
late. waves 1 to 2 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest. a
chance of showers in the evening. waves 1 to 2 feet. 
.friday...northwest winds around 10 knots becoming light and
variable. waves 1 foot or less. 
.friday night...light and variable winds becoming east 5 to
10 knots. waves 1 foot or less. 
.saturday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.sunday...southeast winds 10 knots or less. a chance of showers
sunday night. waves 1 foot or less. 
.monday...southeast winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus63 kdtx 290727
glfsc 
expires:202610291530;;899529

lake st clair forecast
national weather service detroit/pontiac mi
327 am edt thu oct 29 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 slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes this morning will
drag a cold front through the central great lakes this afternoon
and evening. scattered light showers are possible and an isolated
thunderstorm cannot be ruled out. brisk cold air behind the front
will support northwest gusts of 25 to 30 knots over northern lake
huron this evening and tonight.


lcz460-291530-
lake st clair-
327 am edt thu oct 29 2026

.today...southwest winds 10 to 15 knots. mostly sunny until late
afternoon becoming mostly cloudy. a chance of light rain late in the
afternoon. waves 2 feet or less.
.tonight...west winds 10 to 15 knots veering to the northwest after
midnight. mostly clear. waves 2 feet or less.
.friday...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. sunny. waves 2 feet or less.
.friday night...light and variable winds becoming east 5 to 10 knots
after midnight. mostly clear. waves 2 feet or less.
.saturday...southeast winds 5 to 10 knots. partly sunny in the
morning becoming mostly cloudy. waves 2 feet or less.
.sunday...southeast winds 5 to 10 knots. mostly cloudy. waves 2 feet
or less.
.monday...southeast winds 5 to 10 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.

$$

fzus63 kdtx 290723
glflh 
expires:202610291530;;899484

open lake forecast for lake huron
national weather service detroit/pontiac mi
323 am edt thu oct 29 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 slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes tonight will drag
a cold front through the central great lakes tomorrow. scattered
light showers are possible. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron thursday evening and night.


lhz462>464-291530-
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-
323 am edt thu oct 29 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. waves 2 to 4 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 15 to
20 knots late in the evening...then decreasing to 10 to 15 knots
after midnight increasing to 15 to 20 knots early in the morning.
waves 1 to 3 feet building to 3 to 5 feet in the late evening and
overnight. 
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet. 
.friday night...northwest winds 5 to 10 knots. waves 1 to 3 feet.
.saturday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots veering to the south by
midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots backing to the southeast
early in the evening...then increasing to 10 to 15 knots by
midnight. a chance of. waves 2 feet or less. 


$$

fzus63 kdtx 290723
glflh 
expires:202610291530;;899482

open lake forecast for lake huron
national weather service detroit/pontiac mi
323 am edt thu oct 29 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 slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes tonight will drag
a cold front through the central great lakes tomorrow. scattered
light showers are possible. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron thursday evening and night.


lhz361-362-291530-
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-
323 am edt thu oct 29 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon...then increasing to 15 to
20 knots late in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tonight...northwest winds 15 to 20 knots. waves 4 to 6 feet. 
.friday...northwest winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.friday night...northwest winds 10 to 15 knots becoming light and
variable. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.saturday...light and variable winds becoming southeast 5 to
10 knots late in the afternoon...then veering to the south late
in the evening. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 
.monday...light and variable winds becoming southeast 5 to
10 knots . a chance of. waves 2 feet or less. 


$$

fzus63 kdtx 290723
glflh 
expires:202610291530;;899483

open lake forecast for lake huron
national weather service detroit/pontiac mi
323 am edt thu oct 29 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 slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes tonight will drag
a cold front through the central great lakes tomorrow. scattered
light showers are possible. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron thursday evening and night.


lhz363-291530-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
323 am edt thu oct 29 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet. 
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet. 
.friday night...northwest winds 5 to 10 knots. waves 1 to 3 feet.
.saturday...light and variable winds becoming south 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots by
midnight. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots early in the evening becoming east 10 to 15 knots. a
chance of. waves 2 feet or less. 


$$

fzus63 kmkx 290159
glflm 
expires:202610290930;;886631

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 pm cdt wed oct 28 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 29.9 inches will move northeast of lake 
superior overnight and to james bay early on thursday, deepening 
to around 29.5 inches. as the low travels northeast, it is 
expected to drag a cold front over the upper great lakes region. 

breezy south to southwest winds are expected to increase 
overnight, and gusts will come within a few knots of gale force 
over the northern third of lake michigan. a few gusts to gale 
force are possible. a few thunderstorms will also be possible 
tonight, mainly over the southern half of the lake. 

the cold front will pass over the lake during the morning hours
thursday, bringing winds around to northwesterly. winds are 
expected to ease in strength following the frontal passage, but 
will remain modestly breezy into thursday night. high pressure
around 30.4 inches will move into the region friday into friday
night, bringing lighter winds. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-290930-
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 pm cdt wed oct 28 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 15 to 25 kt becoming southwest to
30 kt. chance of showers and slight chance of thunderstorms
overnight. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.thursday...southwest winds 15 to 25 kt becoming northwest 10 to
20 kt. slight chance of showers and thunderstorms in the morning,
then chance of showers in the afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.thursday night...northwest winds 10 to 20 kt becoming north
10 to 15 kt. waves 3 to 5 ft. 
.friday...northeast winds 5 to 10 kt. waves 2 to 4 ft subsiding
to 1 to 3 ft. 
.friday night...east winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...southeast winds 10 to 20 kt. chance of showers. waves
3 to 5 ft. 
.saturday night...southeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt. waves 1 to 2 ft. 
.monday...southeast winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 290159
glflm 
expires:202610290930;;886630

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 pm cdt wed oct 28 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 29.9 inches will move northeast of lake 
superior overnight and to james bay early on thursday, deepening 
to around 29.5 inches. as the low travels northeast, it is 
expected to drag a cold front over the upper great lakes region. 

breezy south to southwest winds are expected to increase 
overnight, and gusts will come within a few knots of gale force 
over the northern third of lake michigan. a few gusts to gale 
force are possible. a few thunderstorms will also be possible 
tonight, mainly over the southern half of the lake. 

the cold front will pass over the lake during the morning hours
thursday, bringing winds around to northwesterly. winds are 
expected to ease in strength following the frontal passage, but 
will remain modestly breezy into thursday night. high pressure
around 30.4 inches will move into the region friday into friday
night, bringing lighter winds. 


lmz261-362-364-366-563-565-567-868-290930-
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 pm cdt wed oct 28 2026

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 15 to 25 kt increasing to gales to
35 kt, then becoming southwest to 30 kt late. slight chance of
thunderstorms with isolated showers through early evening, then
chance of showers and slight chance of thunderstorms overnight.
waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. 
.thursday...west winds to 30 kt becoming northwest 10 to 20 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.thursday night...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 3 to 5 ft. 
.friday...northwest winds 10 to 20 kt. waves 1 to 3 ft subsiding
to 1 to 2 ft. 
.friday night...southwest winds 10 to 15 kt backing to east.
waves 1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt. waves 2 to 4 ft. 
.saturday night...southeast winds 5 to 10 kt. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.monday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.  

$$

fzus63 kmqt 290201
glfls 
expires:202610290800;;886679

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed oct 28 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...

tonight, a 29.8 inch low over northwest ontario will cross northern 
ontario, deepening to 29.6 inches thursday morning. this low will 
deepen further to 29.5 inches thursday afternoon over quebec as 30.2 
inch ridging fills over the northern plains. as the low departs to 
the northeast by friday morning, high pressure over elongates from 
lake michigan to the canadian rockies at between 30.3 and 30.4 
inches. friday night into saturday, the high settles over the great 
lakes at 30.4 inches. the high builds to 30.5 inches over new 
england saturday night, weakening through sunday, reaching 30.3 
inches monday morning. meanwhile, a 29.5 inch colorado low develops, 
which will approach the upper great lakes early next week.




lsz266-290800-
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-
1000 pm edt wed oct 28 2026

.rest of tonight...south winds 20 to 30 knots veering west late.
showers and a slight chance of thunderstorms by midnight, then a
chance of showers after midnight. waves 3 to 5 feet occasionally
to 7 feet building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
35 knots possible. waves building to 7 to 11 feet occasionally to
14 feet. 
.thursday night...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 15 to 25 knots.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290201
glfls 
expires:202610290800;;886680

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed oct 28 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...

tonight, a 29.8 inch low over northwest ontario will cross northern 
ontario, deepening to 29.6 inches thursday morning. this low will 
deepen further to 29.5 inches thursday afternoon over quebec as 30.2 
inch ridging fills over the northern plains. as the low departs to 
the northeast by friday morning, high pressure over elongates from 
lake michigan to the canadian rockies at between 30.3 and 30.4 
inches. friday night into saturday, the high settles over the great 
lakes at 30.4 inches. the high builds to 30.5 inches over new 
england saturday night, weakening through sunday, reaching 30.3 
inches monday morning. meanwhile, a 29.5 inch colorado low develops, 
which will approach the upper great lakes early next week.




lsz267-290800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt wed oct 28 2026

.rest of tonight...south winds 20 to 30 knots increasing to
30 knots with a few gale force gusts to 35 knots possible after
midnight, then veering west late. showers by midnight. a slight
chance of thunderstorms. a chance of showers after midnight.
waves 2 to 4 feet building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
40 knots possible veering northwest late. waves building to 8 to
11 feet occasionally to 14 feet. 
.thursday night...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots
after midnight. a slight chance of showers through midnight.
waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.friday night...northwest winds 5 to 15 knots backing southwest
after midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290201
glfls 
expires:202610290800;;886675

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed oct 28 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...

tonight, a 29.8 inch low over northwest ontario will cross northern 
ontario, deepening to 29.6 inches thursday morning. this low will 
deepen further to 29.5 inches thursday afternoon over quebec as 30.2 
inch ridging fills over the northern plains. as the low departs to 
the northeast by friday morning, high pressure over elongates from 
lake michigan to the canadian rockies at between 30.3 and 30.4 
inches. friday night into saturday, the high settles over the great 
lakes at 30.4 inches. the high builds to 30.5 inches over new 
england saturday night, weakening through sunday, reaching 30.3 
inches monday morning. meanwhile, a 29.5 inch colorado low develops, 
which will approach the upper great lakes early next week.




lsz162-290800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt wed oct 28 2026 /900 pm cdt wed oct 28 2026/

.rest of tonight...northwest winds 5 to 15 knots becoming west
10 to 20 knots after midnight, then increasing to 20 to 30 knots
late. a chance of showers by midnight. waves calm to 2 feet
building to 3 to 5 feet occasionally to 7 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots late. waves building to 3 to 6 feet occasionally to
8 feet. 
.thursday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight, then backing west late. waves
subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.friday night...west winds less than 10 knots backing east after
midnight. waves calm to 2 feet. 
.saturday...east winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots backing east. waves
calm to 2 feet. 
.monday...east winds 10 to 20 knots. a chance of showers. waves
building to 1 to 3 feet. 

$$

fzus63 kmqt 290201
glfls 
expires:202610290800;;886677

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed oct 28 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...

tonight, a 29.8 inch low over northwest ontario will cross northern 
ontario, deepening to 29.6 inches thursday morning. this low will 
deepen further to 29.5 inches thursday afternoon over quebec as 30.2 
inch ridging fills over the northern plains. as the low departs to 
the northeast by friday morning, high pressure over elongates from 
lake michigan to the canadian rockies at between 30.3 and 30.4 
inches. friday night into saturday, the high settles over the great 
lakes at 30.4 inches. the high builds to 30.5 inches over new 
england saturday night, weakening through sunday, reaching 30.3 
inches monday morning. meanwhile, a 29.5 inch colorado low develops, 
which will approach the upper great lakes early next week.




lsz264-290800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt wed oct 28 2026

.rest of tonight...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. showers and a slight chance of
thunderstorms by midnight, then a slight chance of showers after
midnight. waves 2 to 4 feet building to 3 to 6 feet occasionally
to 8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots. waves calm to
2 feet. 
.saturday night...south winds less than 10 knots veering
southwest after midnight. waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots. waves calm to
2 feet. 
.monday...southeast winds 5 to 15 knots. a chance of showers.
waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290201
glfls 
expires:202610290800;;886676

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed oct 28 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...

tonight, a 29.8 inch low over northwest ontario will cross northern 
ontario, deepening to 29.6 inches thursday morning. this low will 
deepen further to 29.5 inches thursday afternoon over quebec as 30.2 
inch ridging fills over the northern plains. as the low departs to 
the northeast by friday morning, high pressure over elongates from 
lake michigan to the canadian rockies at between 30.3 and 30.4 
inches. friday night into saturday, the high settles over the great 
lakes at 30.4 inches. the high builds to 30.5 inches over new 
england saturday night, weakening through sunday, reaching 30.3 
inches monday morning. meanwhile, a 29.5 inch colorado low develops, 
which will approach the upper great lakes early next week.




lsz263-290800-
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-
1000 pm edt wed oct 28 2026

.rest of tonight...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. a chance of showers and a slight chance
of thunderstorms by midnight. waves calm to 2 feet building to
3 to 6 feet occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 4 to
8 feet occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots. waves subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.friday night...west winds 5 to 15 knots becoming south less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds less than 10 knots. waves calm to 2 feet.
.saturday night...south winds less than 10 knots. waves calm to
2 feet. 
.sunday...southwest winds less than 10 knots backing south. waves
calm to 2 feet. 
.monday...east winds 5 to 15 knots veering southeast. a chance of
showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290201
glfls 
expires:202610290800;;886678

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed oct 28 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...

tonight, a 29.8 inch low over northwest ontario will cross northern 
ontario, deepening to 29.6 inches thursday morning. this low will 
deepen further to 29.5 inches thursday afternoon over quebec as 30.2 
inch ridging fills over the northern plains. as the low departs to 
the northeast by friday morning, high pressure over elongates from 
lake michigan to the canadian rockies at between 30.3 and 30.4 
inches. friday night into saturday, the high settles over the great 
lakes at 30.4 inches. the high builds to 30.5 inches over new 
england saturday night, weakening through sunday, reaching 30.3 
inches monday morning. meanwhile, a 29.5 inch colorado low develops, 
which will approach the upper great lakes early next week.




lsz265-290800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt wed oct 28 2026

.rest of tonight...south winds 20 to 30 knots veering southwest
after midnight, then becoming west to 30 knots with a few gale
force gusts to 35 knots possible late. showers and a slight
chance of thunderstorms by midnight, then a slight chance of
showers after midnight. waves 2 to 4 feet building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
40 knots possible. waves building to 5 to 8 feet occasionally to
10 feet. 
.thursday night...northwest winds 20 to 30 knots. waves subsiding
to 2 to 4 feet. 
.friday...northwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing southeast by
mid afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 

$$