fzus61 kbuf 020802
glflo 
expires:202610021500;;399985

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri oct 2 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 30.3 inch high will build east across the lower great 
lakes region today through saturday, before sliding northeast into 
northern new england saturday night. a 29.7 inch low over 
northwestern ontario sunday will deepen to 29.4 inches as it slides 
just south of james bay into central quebec sunday night, while 
sending a pair of cold fronts across the lake. a 30.2 inch high over 
the upper midwest will then build across the great lakes region 
monday into tuesday.


loz062-021500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt fri oct 2 2026

.today...northwest winds 10 to 15 knots increasing to 15 to
20 knots. showers this morning. waves 1 to 3 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.saturday night...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming west and
increasing to 15 to 20 knots. waves 1 foot or less building to
3 to 6 feet. 
.monday...northwest winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 2 to 4 feet. waves
occasionally around 9 feet. 
.tuesday...northwest winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 

$$

fzus61 kbuf 020802
glflo 
expires:202610021500;;399986

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri oct 2 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 30.3 inch high will build east across the lower great 
lakes region today through saturday, before sliding northeast into 
northern new england saturday night. a 29.7 inch low over 
northwestern ontario sunday will deepen to 29.4 inches as it slides 
just south of james bay into central quebec sunday night, while 
sending a pair of cold fronts across the lake. a 30.2 inch high over 
the upper midwest will then build across the great lakes region 
monday into tuesday.


loz063>065-021500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt fri oct 2 2026

.today...west winds 10 to 15 knots increasing to 15 to 20 knots.
showers this morning. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming north. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.saturday night...northeast winds 5 to 10 knots becoming
southeast. waves 1 foot or less. 
.sunday...southeast winds 15 to 25 knots becoming west. a chance
of showers sunday night. waves 1 to 3 feet building to 3 to
6 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
20 knots. waves 5 to 9 feet subsiding to 3 to 6 feet. waves
occasionally around 11 feet. 
.tuesday...northwest winds 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to 1 to
3 feet. 

$$

fzus61 kcle 020738
glfle 
expires:202610021415;;399403

open lake forecast for lake erie
national weather service cleveland oh
338 am edt fri oct 2 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 will move southeast across lake erie morning with
high pressure 30.20 inches building over the great lakes later
today through saturday. another cold front will cross the lake
sunday, followed by high pressure 30.20 inches early next week.


lez162-163-021415-
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-
338 am edt fri oct 2 2026

.today...north winds 15 to 25 knots diminishing to around
10 knots this afternoon. showers early. waves 2 to 4 feet
subsiding to 1 to 2 feet. 
.tonight...north winds 10 to 15 knots becoming northeast. waves
1 to 2 feet. 
.saturday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.saturday night...east winds 10 knots or less becoming south.
waves 2 feet or less. 
.sunday...west winds 10 knots or less becoming northwest and
increasing to 15 to 20 knots. waves 1 foot or less building to
1 to 3 feet. 
.monday...north winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...northeast winds 10 knots or less becoming south 10 to
15 knots. waves 1 foot or less. 

$$

fzus61 kcle 020738
glfle 
expires:202610021415;;399404

open lake forecast for lake erie
national weather service cleveland oh
338 am edt fri oct 2 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 will move southeast across lake erie morning with
high pressure 30.20 inches building over the great lakes later
today through saturday. another cold front will cross the lake
sunday, followed by high pressure 30.20 inches early next week.


lez164>168-021415-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
338 am edt fri oct 2 2026

.today...north winds 15 to 25 knots. showers early, then a chance
of showers late this morning. waves 3 to 6 feet subsiding to 2 to
4 feet. 
.tonight...north winds 15 to 20 knots becoming northeast 10 to
15 knots. waves 2 to 4 feet. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...northeast winds 5 to 15 knots becoming
southeast. waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots becoming northwest and
increasing to 15 to 20 knots. waves 2 feet or less building to
3 to 5 feet. 
.monday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 

$$

fzus61 kcle 020738
glfle 
expires:202610021415;;399405

open lake forecast for lake erie
national weather service cleveland oh
338 am edt fri oct 2 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 will move southeast across lake erie morning with
high pressure 30.20 inches building over the great lakes later
today through saturday. another cold front will cross the lake
sunday, followed by high pressure 30.20 inches early next week.


lez061-169-021415-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
338 am edt fri oct 2 2026

.today...north winds 15 to 20 knots becoming northwest 5 to
15 knots. showers this morning. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.tonight...northwest winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...northeast winds 5 to 10 knots becoming
southeast. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots becoming northwest 15 to
20 knots. waves 1 foot or less building to 2 to 4 feet. 
.monday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 10 knots or less becoming south 10 to
15 knots. waves 1 foot or less. 

$$

fzus63 kdtx 020751
glfsc 
expires:202610021600;;399683

lake st clair forecast
national weather service detroit/pontiac mi
351 am edt fri oct 2 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 cold front averaging 29.90 inches will exit to the
east of the lower great lakes this morning. high pressure, 30.30
inches, will move from the upper midwest today to lake huron and
southern ontario by saturday. this high will quickly exit east of
the region by sunday. a low pressure system tracking across
northern ontario into northern quebec will then drive a cold
front across the region sunday.


lcz460-021600-
lake st clair-
351 am edt fri oct 2 2026

.today...north winds 15 to 20 knots becoming northwest around 15 
knots in the late morning and afternoon. cloudy with a chance of 
rain early in the morning...then partly sunny in the late morning 
and afternoon. waves 1 to 3 feet.
.tonight...north winds 10 to 15 knots diminishing to 5 to 10 knots
in the late evening and overnight. mostly clear. waves 2 feet or
less.
.saturday...northeast winds 5 to 10 knots until late afternoon
becoming light and variable. sunny. waves 2 feet or less.
.saturday night...east winds 5 to 10 knots becoming light and
variable. mostly clear. waves 2 feet or less.
.sunday...light and variable winds becoming southwest 5 to 10 knots
in the afternoon...then becoming west 15 to 20 knots in the evening.
mostly sunny becoming sunny in the afternoon becoming mostly clear.
waves 2 feet or less.
.monday...north winds 15 to 20 knots. clear. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots. clear. waves 2 feet or less.

$$

fzus63 kdtx 020750
glflh 
expires:202610021600;;399664

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt fri oct 2 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 cold front averaging 29.90 inches will exit to the
east of the lower great lakes this morning. high pressure, 30.30
inches, will move from the upper midwest today to lake huron and
southern ontario by saturday. this high will quickly exit east of
the region by sunday. a low pressure system tracking across
northern ontario into northern quebec will then drive a cold
front across the region sunday.


lhz361>363-021600-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
350 am edt fri oct 2 2026

.today...northwest winds 15 to 25 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tonight...northwest winds 15 to 25 knots decreasing to 5 to 15 
knots. waves 3 to 5 feet. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 1 to 3 feet. 
.saturday night...east winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.sunday...south winds 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gusts to 35 knot
gales late in the afternoon. a chance of rain. waves 3 to 5 feet
building to 8 to 12 feet late in the afternoon. waves
occasionally around 15 feet. 
.monday...northwest winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 10 to 15 knots. waves 5 to 7 feet. waves
occasionally around 9 feet. 
.tuesday...light and variable winds becoming south 5 to 10 knots
early in the evening...then increasing to 15 to 20 knots by
midnight. waves 1 to 3 feet building to 3 to 5 feet by midnight. 


$$

fzus63 kdtx 020750
glflh 
expires:202610021600;;399665

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt fri oct 2 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 cold front averaging 29.90 inches will exit to the
east of the lower great lakes this morning. high pressure, 30.30
inches, will move from the upper midwest today to lake huron and
southern ontario by saturday. this high will quickly exit east of
the region by sunday. a low pressure system tracking across
northern ontario into northern quebec will then drive a cold
front across the region sunday.


lhz462>464-021600-
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-
350 am edt fri oct 2 2026

.today...northwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tonight...northwest winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.saturday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.saturday night...light and variable winds becoming southeast
5 to 10 knots by midnight...then increasing to 10 to 15 knots
after midnight. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then becoming west 15 to 20 knots
late in the afternoon becoming northwest 20 to 25 knots late in
the evening. waves 1 to 3 feet building to 5 to 7 feet late in
the afternoon. waves occasionally around 10 feet. 
.monday...northwest winds 20 to 25 knots decreasing to 10 to
15 knots. waves 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday...northwest winds 5 to 10 knots backing to the south
early in the evening...then increasing to 10 to 15 knots by
midnight. waves 2 to 4 feet subsiding to 2 feet or less until
early evening...then building to 2 to 4 feet by midnight. 


$$

fzus63 kmkx 020806
glflm 
expires:202610021530;;400297

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 am cdt fri oct 2 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...

breezy northwest winds are expected across the lake today behind a
passing cold front. by this afternoon into saturday, a 30.2 inch 
high pressure will move across lake michigan bringing 
light/variable winds. winds will trend south- southwesterly 
saturday as 29.8 inch low pressure moves toward the hudson bay 
from the canadian prairies. the low will pull a cold front across 
the waters saturday night into sunday, bringing a west-northwest 
wind shift. northwest winds will continue through the day monday, 
diminishing monday night as 30.2 inch high pressure moves in from 
the northern great plains. 

a deeper area of 29.4 inch low pressure will build toward the 
hudson bay tuesday through thursday. south-southwest winds will 
increase in advance of the approaching low tuesday afternoon 
through wednesday, becoming gusty at times. while not currently 
expected to be widespread, a few gusts could approach gale-force. 
will be monitoring for possible upward trends as this portion of 
the period draws closer. the low will pull a cold front across the
waters wednesday night into thursday, bringing a northwest wind 
shift and scattered rain showers.


lmz080-669-671-673-675-777-779-870-872-874-876-878-021530-
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-
306 am cdt fri oct 2 2026

sheboygan wi to pentwater mi south...

.today...north winds 15 to 25 kt. waves 5 to 8 ft occasionally to
10 ft. 
.tonight...north winds 10 to 20 kt becoming east 10 to 15 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.saturday...east winds 10 to 15 kt becoming southeast 10 to
20 kt. waves 2 to 4 ft. 
.saturday night...southeast winds 10 to 20 kt becoming southwest.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.sunday...west winds 10 to 20 kt becoming northwest. waves 4 to
6 ft occasionally to 8 ft. 
.sunday night...northwest winds 10 to 20 kt becoming north. waves
3 to 5 ft. 
.monday...north winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.  

$$

fzus63 kmkx 020806
glflm 
expires:202610021530;;400296

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 am cdt fri oct 2 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...

breezy northwest winds are expected across the lake today behind a
passing cold front. by this afternoon into saturday, a 30.2 inch 
high pressure will move across lake michigan bringing 
light/variable winds. winds will trend south- southwesterly 
saturday as 29.8 inch low pressure moves toward the hudson bay 
from the canadian prairies. the low will pull a cold front across 
the waters saturday night into sunday, bringing a west-northwest 
wind shift. northwest winds will continue through the day monday, 
diminishing monday night as 30.2 inch high pressure moves in from 
the northern great plains. 

a deeper area of 29.4 inch low pressure will build toward the 
hudson bay tuesday through thursday. south-southwest winds will 
increase in advance of the approaching low tuesday afternoon 
through wednesday, becoming gusty at times. while not currently 
expected to be widespread, a few gusts could approach gale-force. 
will be monitoring for possible upward trends as this portion of 
the period draws closer. the low will pull a cold front across the
waters wednesday night into thursday, bringing a northwest wind 
shift and scattered rain showers.


lmz261-362-364-366-563-565-567-868-021530-
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-
306 am cdt fri oct 2 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.tonight...north winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then becoming northeast after midnight
becoming east late. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.saturday night...south winds 10 to 20 kt becoming southwest to
30 kt overnight. chance of showers overnight. waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft. 
.sunday...west winds to 30 kt becoming northwest. waves 4 to 7 ft
occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.sunday night...northwest winds to 30 kt diminishing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft. 
.monday...northwest winds 15 to 25 kt. waves 3 to 5 ft subsiding
to 2 to 4 ft. 
.tuesday...south winds 15 to 25 kt increasing to gales to 35 kt.
waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.  

$$

fzus63 kmqt 020801
glfls 
expires:202610022000;;399928

open lake forecast for lake superior
national weather service marquette mi
401 am edt fri oct 2 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz265-022000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 am edt fri oct 2 2026

.early this morning...northwest winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots backing southwest late.
waves subsiding to calm to 2 feet. 
.saturday...south winds 10 to 20 knots becoming southeast 15 to
25 knots late. a chance of rain by mid afternoon. waves building
to 1 to 3 feet. 
.saturday night...south winds 20 to 30 knots veering west after
midnight. rain. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday...west gales to 35 knots veering northwest by mid
afternoon. waves building to 6 to 10 feet occasionally to
13 feet. 
.sunday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 4 to 7 feet
occasionally to 9 feet. 
.monday...northwest winds 15 to 25 knots becoming south 10 to
20 knots. waves subsiding to calm to 2 feet. 
.tuesday...south winds 20 to 30 knots becoming southwest gales to
35 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 020801
glfls 
expires:202610022000;;399929

open lake forecast for lake superior
national weather service marquette mi
401 am edt fri oct 2 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz266-022000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
401 am edt fri oct 2 2026

.early this morning...northwest winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. sprinkles through early afternoon. waves building
to 4 to 8 feet occasionally to 10 feet. 
.tonight...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. 
.saturday...south winds 10 to 20 knots becoming southeast 15 to
25 knots late. a chance of rain by mid afternoon. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 
.saturday night...south winds 20 to 30 knots veering southwest
after midnight. rain. waves building to 4 to 7 feet occasionally
to 9 feet. 
.sunday...northwest gales to 35 knots. a chance of showers
through early afternoon. waves building to 10 to 14 feet
occasionally to 18 feet. 
.sunday night...northwest winds 20 to 30 knots. waves subsiding
to 6 to 9 feet occasionally to 11 feet. 
.monday...northwest winds 15 to 25 knots becoming south 10 to
20 knots. waves subsiding to calm to 2 feet. 
.tuesday...south gales to 35 knots veering southwest. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 020801
glfls 
expires:202610022000;;399930

open lake forecast for lake superior
national weather service marquette mi
401 am edt fri oct 2 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz267-022000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 am edt fri oct 2 2026

.early this morning...northwest winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. sprinkles through early afternoon. waves building
to 4 to 8 feet occasionally to 10 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 5 to
15 knots after midnight, then backing west late. waves subsiding
to calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then backing southeast late. a chance
of rain by mid afternoon. waves calm to 2 feet. 
.saturday night...south winds 15 to 25 knots increasing to 20 to
30 knots after midnight. rain. waves building to 4 to 7 feet
occasionally to 9 feet. 
.sunday...west gales to 35 knots becoming northwest gales to
40 knots by mid afternoon. showers likely through early
afternoon. waves building to 11 to 15 feet occasionally to
19 feet. 
.sunday night...northwest gales to 35 knots diminishing to 20 to
30 knots after midnight. waves subsiding to 7 to 10 feet
occasionally to 13 feet. 
.monday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.tuesday...south winds 15 to 25 knots increasing to 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 020801
glfls 
expires:202610022000;;399925

open lake forecast for lake superior
national weather service marquette mi
401 am edt fri oct 2 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz162-022000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am edt fri oct 2 2026 /301 am cdt fri oct 2 2026/

.early this morning...northwest winds 15 to 25 knots. waves 1 to
3 feet. 
.today...northwest winds 10 to 20 knots becoming southwest 5 to
15 knots late. waves subsiding to calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots diminishing to less than
10 knots after midnight, then becoming south 5 to 15 knots late.
waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 15 to
25 knots in the afternoon. a chance of showers. waves building to
1 to 3 feet. 
.saturday night...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. a chance of rain. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.sunday...northwest winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.sunday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...south winds 5 to 15 knots increasing to 10 to 20 knots.
waves building to 1 to 3 feet. 
.tuesday...south winds 20 to 30 knots veering southwest. waves
building to 2 to 4 feet. 

$$

fzus63 kmqt 020801
glfls 
expires:202610022000;;399926

open lake forecast for lake superior
national weather service marquette mi
401 am edt fri oct 2 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz263-022000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
401 am edt fri oct 2 2026

.early this morning...northwest winds 10 to 20 knots. waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet. 
.today...northwest winds 10 to 20 knots becoming west 5 to
15 knots late. waves subsiding to calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing south late. waves
calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 
.saturday night...south winds 15 to 25 knots veering west after
midnight. rain likely through midnight, then a chance of rain
after midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday...northwest winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.tuesday...south gales to 35 knots veering southwest. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 

$$

fzus63 kmqt 020801
glfls 
expires:202610022000;;399927

open lake forecast for lake superior
national weather service marquette mi
401 am edt fri oct 2 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...

high pressure of 30.3 inches over the northern plains this morning 
shifts east to the great lakes tonight through saturday. a weak 29.9 
inch trough skirts along lake superior's north shore saturday night 
and sunday, with 30.3 inch high pressure quickly returning sunday 
night into monday. ridging remains in the area until tuesday morning 
before being replaced by troughing of at least 29.7 inches tuesday 
evening/wednesday morning.




lsz264-022000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 am edt fri oct 2 2026

.early this morning...northwest winds 10 to 20 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots backing southwest late. waves
subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southeast 15 to
25 knots late. a chance of showers. waves building to 1 to
3 feet. 
.saturday night...south winds 15 to 25 knots veering west after
midnight. rain through midnight, then a chance of rain after
midnight. waves building to 3 to 6 feet occasionally to 8 feet. 
.sunday...northwest gales to 35 knots. waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.monday...northwest winds 10 to 20 knots backing south. waves
subsiding to calm to 2 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest 20 to
30 knots. waves building to 3 to 5 feet occasionally to 7 feet. 

$$