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(1/20)
Latest Great Lakes Marine Forecast by KBUF
Issued 2/21/2026 4:02 AM America/New_York.
Valid through 2/21/2026 11:00 AM America/New_York.
fzus61 kbuf 210902
glflo
expires:202602211600;;003877
open lake forecast for lake ontario
national weather service buffalo ny
402 am est sat feb 21 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 29.7 inch low over lake huron will drift to southern
ontario and weaken to a remnant 29.9 inch trough today. another 29.8
inch low will move off the carolina coast tonight, then will deepen
to 28.8 inches as it tracks northeastward off the mid-atlantic and
new england coastlines sunday through monday. a 30.1 inch high is
then forecast to weaken and slide across the lower great lakes on
tuesday and new england on wednesday.
loz062-063-211600-
lake ontario open waters from the niagara river to sodus bay-
402 am est sat feb 21 2026
.today...west winds 10 to 15 knots becoming east. snow showers.
waves 3 to 5 feet subsiding to 2 to 4 feet.
.tonight...east winds 10 to 15 knots becoming southeast. a chance
of snow showers. waves 1 to 3 feet.
.sunday...southeast winds 5 to 10 knots becoming east. snow.
waves 1 to 2 feet.
.sunday night...northeast winds 10 to 15 knots. snow. waves 1 to
3 feet.
.monday...north winds 15 to 25 knots becoming northwest 15 to
20 knots. snow showers likely. waves 3 to 6 feet building to 4 to
7 feet, then subsiding to 3 to 6 feet. waves occasionally around
9 feet.
.tuesday...northwest winds 15 to 20 knots becoming south 10 to
15 knots. a chance of snow showers. waves 3 to 6 feet subsiding
to 1 to 3 feet.
.wednesday...south winds 15 to 20 knots becoming west. snow and
rain showers likely. waves 1 to 3 feet building to 3 to 6 feet.
$$
(2/20)
Latest Great Lakes Marine Forecast by KBUF
Issued 2/21/2026 4:02 AM America/New_York.
Valid through 2/21/2026 11:00 AM America/New_York.
fzus61 kbuf 210902
glflo
expires:202602211600;;003878
open lake forecast for lake ontario
national weather service buffalo ny
402 am est sat feb 21 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 29.7 inch low over lake huron will drift to southern
ontario and weaken to a remnant 29.9 inch trough today. another 29.8
inch low will move off the carolina coast tonight, then will deepen
to 28.8 inches as it tracks northeastward off the mid-atlantic and
new england coastlines sunday through monday. a 30.1 inch high is
then forecast to weaken and slide across the lower great lakes on
tuesday and new england on wednesday.
loz064-065-211600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est sat feb 21 2026
.today...north winds 5 to 15 knots becoming northeast. a chance
of snow showers. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tonight...northeast winds 5 to 10 knots becoming east. a chance
of snow showers late. waves 2 feet or less.
.sunday...southeast winds 5 to 10 knots becoming east. snow
likely. waves 2 feet or less.
.sunday night...east winds 5 to 15 knots becoming northeast. snow
likely. waves 2 feet or less.
.monday...north winds 15 to 25 knots becoming northwest. snow
showers likely. waves 3 to 6 feet.
.tuesday...northwest winds 15 to 20 knots becoming southeast
10 to 15 knots. a chance of snow showers. waves 3 to 5 feet
subsiding to 1 to 3 feet.
.wednesday...southeast winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. snow and rain showers likely.
waves 1 to 3 feet building to 3 to 6 feet.
$$
(3/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 2/21/2026 3:08 AM America/New_York.
Valid through 2/21/2026 10:45 AM America/New_York.
fzus61 kcle 210808
glfle
expires:202602211545;;001813
open lake forecast for lake erie
national weather service cleveland oh
308 am est sat feb 21 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...
low pressure 29.70 inches over lake huron will devolve into a
trough averaging 30.00 inches today. low pressure 29.30 inches
moving up the east coast on sunday and monday will strengthen the
trough over the eastern great lakes to 29.90 inches. a ridge
averaging 30.10 inches will enter for tuesday. low pressure 29.30
inches will enter the great lakes for the middle of the week.
lez165>167-211545-
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-
308 am est sat feb 21 2026
.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots. the lake is mostly ice covered.
.tonight...southwest winds 5 to 10 knots becoming west. a slight
chance of snow late in the evening. a chance of snow after
midnight.
.sunday...west winds 5 to 15 knots becoming northwest. snow.
.sunday night...northwest winds 15 to 20 knots. snow.
.monday...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. snow likely during the day.
.tuesday...west winds 5 to 10 knots becoming south and increasing
to 15 to 20 knots. a chance of snow.
.wednesday...southwest winds 15 to 25 knots. a chance of rain and
snow during the day, then rain likely with a chance of snow
wednesday night.
waves omitted due to the lake being mostly ice covered.
$$
(4/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 2/21/2026 3:08 AM America/New_York.
Valid through 2/21/2026 10:45 AM America/New_York.
fzus61 kcle 210808
glfle
expires:202602211545;;001814
open lake forecast for lake erie
national weather service cleveland oh
308 am est sat feb 21 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...
low pressure 29.70 inches over lake huron will devolve into a
trough averaging 30.00 inches today. low pressure 29.30 inches
moving up the east coast on sunday and monday will strengthen the
trough over the eastern great lakes to 29.90 inches. a ridge
averaging 30.10 inches will enter for tuesday. low pressure 29.30
inches will enter the great lakes for the middle of the week.
lez061-168-169-211545-
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-
308 am est sat feb 21 2026
.today...southwest winds 15 to 25 knots. a chance of snow with a
slight chance of freezing rain early, then a slight chance of
snow late this morning. the lake is mostly ice covered.
.tonight...southwest winds 5 to 10 knots. a slight chance of snow
after midnight. a chance of snow late.
.sunday...southwest winds 10 knots or less becoming west. snow
likely.
.sunday night...northwest winds 5 to 15 knots increasing to 15 to
20 knots. a chance of snow in the evening, then snow likely
overnight.
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. snow likely during the day, then a chance of snow
monday night.
.tuesday...northwest winds 5 to 15 knots becoming south. a chance
of snow tuesday night.
.wednesday...southwest winds 15 to 25 knots. a chance of snow and
rain during the day, then rain and snow likely wednesday night.
waves omitted due to the lake being mostly ice covered.
$$
(5/20)
Latest Great Lakes Marine Forecast by KCLE
Issued 2/21/2026 3:08 AM America/New_York.
Valid through 2/21/2026 10:45 AM America/New_York.
fzus61 kcle 210808
glfle
expires:202602211545;;001812
open lake forecast for lake erie
national weather service cleveland oh
308 am est sat feb 21 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...
low pressure 29.70 inches over lake huron will devolve into a
trough averaging 30.00 inches today. low pressure 29.30 inches
moving up the east coast on sunday and monday will strengthen the
trough over the eastern great lakes to 29.90 inches. a ridge
averaging 30.10 inches will enter for tuesday. low pressure 29.30
inches will enter the great lakes for the middle of the week.
lez162>164-211545-
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-
308 am est sat feb 21 2026
.today...west winds 15 to 20 knots diminishing to 10 to 15 knots.
waves in ice free areas 1 to 3 feet.
.tonight...west winds 5 to 10 knots. a slight chance of snow late
in the evening. a chance of snow after midnight. waves 1 foot or
less.
.sunday...west winds 10 to 15 knots becoming northwest. snow.
waves 2 feet or less.
.sunday night...northwest winds 10 to 15 knots increasing to
15 to 20 knots. snow. waves 1 to 3 feet building to 2 to 4 feet.
.monday...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. a chance of snow during the day. waves 2 to 4 feet
subsiding to 2 feet or less.
.tuesday...west winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. a chance of snow. waves 1 foot or
less building to 2 to 4 feet.
.wednesday...southwest winds 15 to 25 knots. a chance of rain and
snow during the day, then a chance of rain wednesday night. waves
2 to 4 feet.
wave heights are for ice free areas.
$$
(6/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 9:43 AM America/New_York.
Valid through 2/21/2026 5:45 PM America/New_York.
fzus63 kdtx 211443
glflh
expires:202602212245;;016670
open lake forecast for lake huron
national weather service detroit/pontiac mi
943 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken through the day, with current central pressure currently
around 29.80 inches. light winds and lake effect snow expected
through the weekend, with winds ramping up sunday night into
monday as the low eases into ontario.
lhz462>464-212245-
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-
943 am est sat feb 21 2026
.rest of today...west winds 10 to 15 knots becoming northwest
5 to 10 knots late in the afternoon. waves 1 to 3 feet.
.tonight...northwest winds 5 to 10 knots backing to the southwest
after midnight...then veering to the southwest 5 to 10 knots
early in the morning. a chance of snow after midnight. waves
2 feet or less.
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. a chance of snow. waves 1 to
3 feet.
.sunday night...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots after midnight. a chance
of snow. waves 3 to 5 feet building to 6 to 9 feet after
midnight. waves occasionally around 12 feet.
.monday...north winds to 30 knots with gusts to 35 knot gales
decreasing to 10 to 15 knots. waves 8 to 12 feet. waves
occasionally around 15 feet.
.tuesday...northwest winds 5 to 10 knots backing to the southwest
in the late morning and early afternoon...then becoming south
10 to 15 knots early in the evening increasing to 15 to 20 knots
by midnight. a chance of snow. waves 3 to 5 feet subsiding to
1 to 3 feet early in the evening...then building to 4 to 6 feet
by midnight. waves occasionally around 8 feet.
.wednesday...south winds 15 to 20 knots veering to the southwest
. a chance of snow early in the morning...then a chance of snow
and rain. waves 4 to 6 feet. waves occasionally around 8 feet.
wave heights are for ice free areas.
$$
(7/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 9:43 AM America/New_York.
Valid through 2/21/2026 5:45 PM America/New_York.
fzus63 kdtx 211443
glfsc
expires:202602212245;;016672
lake st clair forecast
national weather service detroit/pontiac mi
943 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken through the day, with current central pressure currently
around 29.80 inches. light winds and lake effect snow expected
through the weekend, with winds ramping up sunday night into
monday as the low eases into ontario.
lcz460-212245-
lake st clair-
943 am est sat feb 21 2026
.rest of today...west winds 10 to 15 knots diminishing to 5 to 10
knots late in the afternoon. mostly cloudy.
.tonight...west winds 5 to 10 knots. mostly cloudy. a chance of
light snow after midnight.
.sunday...west winds 5 to 10 knots becoming northwest 10 to 15 knots
early in the afternoon. light snow until late afternoon...then light
snow likely early in the afternoon.
.sunday night...northwest winds 10 to 15 knots increasing to 20 to
25 knots. mostly cloudy. light snow likely early in the
evening...then a chance of light snow in the late evening and
overnight.
.monday...northwest winds 20 to 25 knots with gusts to 30 knots
becoming north 15 to 20 knots in the evening. mostly cloudy. a small
craft advisory may be needed.
.tuesday...south winds 15 to 20 knots. mostly cloudy with a chance
of light snow.
.wednesday...southwest winds 15 to 20 knots. mostly cloudy. a chance
of light rain and snow.
waves omitted due to ice coverage.
$$
(8/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 9:43 AM America/New_York.
Valid through 2/21/2026 5:45 PM America/New_York.
fzus63 kdtx 211443
glflh
expires:202602212245;;016668
open lake forecast for lake huron
national weather service detroit/pontiac mi
943 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken through the day, with current central pressure currently
around 29.80 inches. light winds and lake effect snow expected
through the weekend, with winds ramping up sunday night into
monday as the low eases into ontario.
lhz361-212245-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
943 am est sat feb 21 2026
.rest of today...northeast winds 10 to 15 knots decreasing to
5 to 10 knots in the afternoon. a chance of snow. waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon.
.tonight...northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. a chance of snow in the evening.
waves 1 to 3 feet.
.sunday...north winds 10 to 15 knots. waves 1 to 3 feet.
.sunday night...northwest winds 15 to 20 knots becoming north
20 to 25 knots in the late evening and overnight. waves 5 to
7 feet. waves occasionally around 10 feet.
.monday...north winds 20 to 25 knots decreasing to 5 to 10 knots.
waves 4 to 6 feet.
.tuesday...north winds 5 to 10 knots becoming east 10 to 15 knots
in the late morning and early afternoon...then becoming southeast
15 to 20 knots . a chance of snow. waves 1 to 3 feet building to
5 to 7 feet . waves occasionally around 10 feet.
.wednesday...southeast winds 15 to 20 knots veering to the west
early in the evening...then becoming northwest 20 to 25 knots by
midnight. a chance of snow. waves 5 to 7 feet. waves occasionally
around 10 feet.
$$
(9/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 9:43 AM America/New_York.
Valid through 2/21/2026 5:45 PM America/New_York.
fzus63 kdtx 211443
glflh
expires:202602212245;;016669
open lake forecast for lake huron
national weather service detroit/pontiac mi
943 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken through the day, with current central pressure currently
around 29.80 inches. light winds and lake effect snow expected
through the weekend, with winds ramping up sunday night into
monday as the low eases into ontario.
lhz362-363-212245-
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-
943 am est sat feb 21 2026
.rest of today...north winds 10 to 15 knots. a chance of snow.
waves 3 to 5 feet.
.tonight...northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. a chance of snow in the evening.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.sunday...north winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. a chance of snow in the morning. waves
3 to 5 feet.
.sunday night...north winds 15 to 20 knots increasing to
30 knots. waves 6 to 9 feet building to 8 to 12 feet after
midnight. waves occasionally around 15 feet.
.monday...north winds to 30 knots decreasing to 10 to 15 knots.
waves 8 to 12 feet. waves occasionally around 15 feet.
.tuesday...north winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then becoming southeast 10 to
15 knots early in the evening increasing to 20 to 25 knots by
midnight. a chance of snow . waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and early afternoon...then building to
3 to 5 feet early in the evening building to 6 to 9 feet by
midnight. waves occasionally around 12 feet.
.wednesday...southeast winds 20 to 25 knots becoming west 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
by midnight. a chance of snow until afternoon...then a chance of
snow and rain . waves 8 to 12 feet. waves occasionally around
15 feet.
wave heights are for ice free areas.
$$
(10/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 3:57 AM America/New_York.
Valid through 2/21/2026 12:00 PM America/New_York.
fzus63 kdtx 210857
glflh
expires:202602211700;;003453
open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken. light winds and lake effect snow expected through the
weekend, with winds jumping sunday night into monday as the low
eases into ontario.
lhz363-462-211700-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
357 am est sat feb 21 2026
.today...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon. a chance of snow. waves 3 to 5 feet.
.tonight...north winds 5 to 10 knots. a chance of snow in the
evening. waves 1 to 3 feet.
.sunday...north winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. a chance of snow. waves 3 to 5 feet.
.sunday night...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots after midnight. waves 6 to
9 feet building to 8 to 12 feet after midnight. waves
occasionally around 15 feet.
.monday...north winds to 30 knots becoming northwest 10 to
15 knots. waves 8 to 12 feet. waves occasionally around 15 feet.
.tuesday...northwest winds 5 to 10 knots veering to the east in
the late morning and early afternoon...then becoming south 10 to
15 knots early in the evening increasing to 15 to 20 knots by
midnight. a chance of snow . waves 3 to 5 feet subsiding to 1 to
3 feet in the late morning and early afternoon...then building to
3 to 5 feet .
.wednesday...south winds 15 to 20 knots veering to the west early
in the evening...then increasing to 20 to 25 knots by midnight. a
chance of snow until afternoon...then a chance of snow and rain .
waves 4 to 6 feet building to 6 to 9 feet by midnight. waves
occasionally around 12 feet.
wave heights are for ice free areas.
$$
(11/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 3:57 AM America/New_York.
Valid through 2/21/2026 12:00 PM America/New_York.
fzus63 kdtx 210857
glflh
expires:202602211700;;003452
open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken. light winds and lake effect snow expected through the
weekend, with winds jumping sunday night into monday as the low
eases into ontario.
lhz361-362-211700-
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-
357 am est sat feb 21 2026
.today...north winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and afternoon. a chance of snow. waves 3 to
5 feet.
.tonight...northeast winds 5 to 10 knots increasing to 10 to
15 knots after midnight. a chance of snow in the evening. waves
1 to 3 feet.
.sunday...north winds 10 to 15 knots. waves 3 to 5 feet.
.sunday night...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. waves 5 to 7 feet building to 8 to 12 feet after
midnight. waves occasionally around 15 feet.
.monday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. waves 6 to 9 feet. waves
occasionally around 11 feet.
.tuesday...north winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then becoming southeast 15 to
20 knots early in the evening increasing to 20 to 25 knots by
midnight. a chance of snow . waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and early afternoon...then building to
3 to 5 feet early in the evening building to 6 to 9 feet by
midnight. waves occasionally around 12 feet.
.wednesday...southeast winds 20 to 25 knots becoming west 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
by midnight. a chance of snow...then a chance of snow and rain by
midnight. waves 6 to 9 feet. waves occasionally around 12 feet.
$$
(12/20)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/21/2026 3:57 AM America/New_York.
Valid through 2/21/2026 12:00 PM America/New_York.
fzus63 kdtx 210857
glflh
expires:202602211700;;003454
open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est sat feb 21 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...low pressure stalled over lake huron continues to
weaken. light winds and lake effect snow expected through the
weekend, with winds jumping sunday night into monday as the low
eases into ontario.
lhz463-464-211700-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
357 am est sat feb 21 2026
.today...west winds 10 to 15 knots becoming northwest 5 to
10 knots late in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and afternoon.
.tonight...northwest winds 5 to 10 knots backing to the west
after midnight. a chance of snow after midnight. waves 2 feet or
less.
.sunday...northwest winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and afternoon. a chance of snow.
waves 1 to 3 feet.
.sunday night...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots after midnight. a chance
of snow. waves 3 to 5 feet building to 5 to 7 feet after
midnight. waves occasionally around 10 feet.
.monday...north winds to 30 knots with gusts to 35 knot gales
becoming northwest 15 to 20 knots. waves 8 to 12 feet. waves
occasionally around 15 feet.
.tuesday...northwest winds 5 to 10 knots backing to the west in
the late morning and early afternoon...then becoming south 10 to
15 knots early in the evening increasing to 15 to 20 knots by
midnight. a chance of snow. waves 3 to 5 feet subsiding to 1 to
3 feet early in the evening...then building to 4 to 6 feet by
midnight. waves occasionally around 8 feet.
.wednesday...south winds 15 to 20 knots veering to the southwest
. a chance of snow early in the morning...then a chance of snow
and rain. waves 4 to 6 feet. waves occasionally around 8 feet.
wave heights are for ice free areas.
$$
(13/20)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/21/2026 3:03 AM US/Central.
Valid through 2/21/2026 10:30 AM US/Central.
fzus63 kmkx 210903
glflm
expires:202602211630;;004074
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cst sat feb 21 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 29.7 inches lingers over lake huron extending
out over the atlantic ocean early this morning but winds have come
down across the lake.
northwest to north winds will continue across the lake into early
next week as a strong polar high pressure builds southward into
south central canada. as the high draws closer, the pressure
gradient will tighten sunday into monday. gales will be possible,
especially sunday afternoon through monday morning. light and
variable winds are then expected into monday evening as the polar
high weakens and drifts overhead. a modest south breeze develops
tuesday as weak high pressure drifts east of the region and low
pressure develops west of the lake.
lmz080-669-671-673-675-777-779-870-872-874-876-878-211630-
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-
303 am cst sat feb 21 2026
sheboygan wi to pentwater mi south...
.today...northwest winds 10 to 20 kt. waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft.
.tonight...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 3 to 5 ft building to 6 to 9 ft
occasionally to 12 ft.
.sunday...northwest winds to 30 kt. chance of snow. waves 8 to
11 ft occasionally to 14 ft building to 10 to 14 ft occasionally
to 18 ft.
.sunday night...north winds to 30 kt increasing to gales to
35 kt. freezing spray. chance of snow. waves 12 to 16 ft
occasionally to 21 ft.
.monday...north gales to 35 kt diminishing to 30 kt. chance of
snow in the morning. freezing spray. waves 12 to 16 ft
occasionally to 21 ft.
.monday night...north winds 10 to 20 kt backing to west 10 to
15 kt. waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to
6 ft occasionally to 8 ft.
.tuesday...southwest winds 15 to 25 kt becoming south. chance of
snow. waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft.
.wednesday...west winds 15 to 25 kt. chance of rain and snow.
waves 6 to 9 ft occasionally to 12 ft.
$$
(14/20)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/21/2026 3:03 AM US/Central.
Valid through 2/21/2026 10:30 AM US/Central.
fzus63 kmkx 210903
glflm
expires:202602211630;;004073
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cst sat feb 21 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 29.7 inches lingers over lake huron extending
out over the atlantic ocean early this morning but winds have come
down across the lake.
northwest to north winds will continue across the lake into early
next week as a strong polar high pressure builds southward into
south central canada. as the high draws closer, the pressure
gradient will tighten sunday into monday. gales will be possible,
especially sunday afternoon through monday morning. light and
variable winds are then expected into monday evening as the polar
high weakens and drifts overhead. a modest south breeze develops
tuesday as weak high pressure drifts east of the region and low
pressure develops west of the lake.
lmz261-362-364-366-563-565-567-868-211630-
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-
303 am cst sat feb 21 2026
sheboygan wi to pentwater mi north...
.today...northwest winds 10 to 20 kt becoming north 10 to 15 kt.
snow this morning, then chance of snow this afternoon. waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
.tonight...north winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 2 to 4 ft building to 5 to 8 ft
occasionally to 10 ft.
.sunday...north winds to 30 kt. chance of snow in the morning.
waves 6 to 9 ft occasionally to 12 ft building to 8 to 12 ft
occasionally to 16 ft.
.sunday night...north gales to 35 kt. freezing spray. waves 10 to
14 ft occasionally to 18 ft.
.monday...north gales to 35 kt diminishing to 30 kt. freezing
spray. waves 10 to 14 ft occasionally to 18 ft subsiding to 8 to
12 ft occasionally to 16 ft.
.monday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 2 to
4 ft.
.tuesday...south winds 15 to 25 kt. chance of snow. waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft.
.wednesday...west winds 15 to 25 kt. chance of snow. waves 5 to
8 ft occasionally to 10 ft.
$$
(15/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/21/2026 4:01 AM America/New_York.
Valid through 2/21/2026 4:00 PM America/New_York.
fzus63 kmqt 210901
glfls
expires:202602212100;;003747
open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 21 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...
a 29.7 inch low over lake huron this morning gradually weakens to
30.0 inches by tonight as it slowly meanders into southern ontario.
meanwhile, 31.2 inch high pressure builds over northern
saskatchewan. through sunday, the low is gradually absorbed into a
29.1 inch nor'easter off the delmarva peninsula as high pressure
slides over manitoba at 31.0 inches, extending 30.6 inch ridging
over western lake superior. the high weakens slightly to 30.8 inches
over northern ontario by monday afternoon before sharply weakening
to 30.3 inches over the ontario/quebec line tuesday morning.
meanwhile, broad 29.8 inch low pressure forms over the plains,
sending at least one low of around 29.5 inches through the great
lakes basin during the midweek period. weak ridging then builds over
lake superior at around 29.9 inches for thursday.
lsz266-212100-
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-
400 am est sat feb 21 2026
...heavy freezing spray warning in effect from sunday afternoon
through late sunday night...
...gale watch in effect from sunday afternoon through monday
morning...
.early this morning...northwest winds 15 to 25 knots. a chance of
snow showers. waves 4 to 7 feet occasionally to 9 feet.
.today...northwest winds 15 to 25 knots veering northeast by late
morning, then backing north by mid afternoon. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.tonight...north winds 15 to 25 knots. a chance of snow showers.
freezing spray after midnight. waves building to 5 to 8 feet
occasionally to 10 feet.
.sunday...north winds 20 to 30 knots increasing to gales to
35 knots by mid afternoon. freezing spray. a chance of snow
showers. waves building to 8 to 11 feet occasionally to 14 feet.
.sunday night...north gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves building to 10 to 14 feet
occasionally to 18 feet, then subsiding to 9 to 12 feet
occasionally to 15 feet.
.monday...north winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. heavy freezing spray. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet.
.monday night...north winds 10 to 20 knots veering southeast
after midnight. a chance of snow showers after midnight. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet.
.tuesday...southeast winds 15 to 25 knots increasing to 20 to
30 knots. freezing spray. a chance of snow showers. waves
building to 5 to 8 feet occasionally to 10 feet.
.wednesday...northwest winds 20 to 30 knots increasing to gales
to 35 knots. freezing spray. a chance of snow showers. waves
building to 8 to 12 feet occasionally to 15 feet.
note, wave height forecasts are for ice free areas.
$$
(16/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/21/2026 4:01 AM America/New_York.
Valid through 2/21/2026 4:00 PM America/New_York.
fzus63 kmqt 210901
glfls
expires:202602212100;;003748
open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 21 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...
a 29.7 inch low over lake huron this morning gradually weakens to
30.0 inches by tonight as it slowly meanders into southern ontario.
meanwhile, 31.2 inch high pressure builds over northern
saskatchewan. through sunday, the low is gradually absorbed into a
29.1 inch nor'easter off the delmarva peninsula as high pressure
slides over manitoba at 31.0 inches, extending 30.6 inch ridging
over western lake superior. the high weakens slightly to 30.8 inches
over northern ontario by monday afternoon before sharply weakening
to 30.3 inches over the ontario/quebec line tuesday morning.
meanwhile, broad 29.8 inch low pressure forms over the plains,
sending at least one low of around 29.5 inches through the great
lakes basin during the midweek period. weak ridging then builds over
lake superior at around 29.9 inches for thursday.
lsz267-212100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est sat feb 21 2026
...heavy freezing spray warning in effect from sunday afternoon
through late sunday night...
.early this morning...east winds 10 to 20 knots. waves calm to
2 feet.
.today...east winds 10 to 20 knots diminishing to 5 to 15 knots
by late morning, then backing northeast by mid afternoon. a
slight chance of snow showers. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet.
.tonight...northeast winds 5 to 15 knots increasing to 10 to
20 knots by midnight. a slight chance of snow showers. waves
building to 1 to 3 feet.
.sunday...north winds 10 to 20 knots increasing to 20 to
30 knots. a slight chance of snow showers in the morning.
freezing spray in the afternoon. waves building to 4 to 7 feet
occasionally to 9 feet.
.sunday night...north gales to 35 knots. heavy freezing spray. a
slight chance of snow showers. waves building to 5 to 9 feet
occasionally to 11 feet.
.monday...north winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. heavy freezing spray in the morning.
waves subsiding to 2 to 4 feet.
.monday night...northeast winds 10 to 20 knots veering east after
midnight. waves subsiding to calm to 2 feet.
.tuesday...southeast winds 15 to 25 knots increasing to 20 to
30 knots. freezing spray. a chance of snow showers. waves
building to 4 to 7 feet occasionally to 9 feet.
.wednesday...northwest winds 20 to 30 knots veering north.
freezing spray. a chance of snow showers. waves subsiding to 3 to
6 feet occasionally to 8 feet, then building to 7 to 10 feet
occasionally to 13 feet.
note, wave height forecasts are for ice free areas.
$$
(17/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/21/2026 4:01 AM America/New_York.
Valid through 2/21/2026 4:00 PM America/New_York.
fzus63 kmqt 210901
glfls
expires:202602212100;;003743
open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 21 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...
a 29.7 inch low over lake huron this morning gradually weakens to
30.0 inches by tonight as it slowly meanders into southern ontario.
meanwhile, 31.2 inch high pressure builds over northern
saskatchewan. through sunday, the low is gradually absorbed into a
29.1 inch nor'easter off the delmarva peninsula as high pressure
slides over manitoba at 31.0 inches, extending 30.6 inch ridging
over western lake superior. the high weakens slightly to 30.8 inches
over northern ontario by monday afternoon before sharply weakening
to 30.3 inches over the ontario/quebec line tuesday morning.
meanwhile, broad 29.8 inch low pressure forms over the plains,
sending at least one low of around 29.5 inches through the great
lakes basin during the midweek period. weak ridging then builds over
lake superior at around 29.9 inches for thursday.
lsz162-212100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est sat feb 21 2026 /300 am cst sat feb 21 2026/
.early this morning...northwest winds 10 to 20 knots. a slight
chance of snow showers. waves 1 to 3 feet.
.today...northwest winds 10 to 20 knots. a slight chance of snow
showers. waves 1 to 3 feet.
.tonight...northwest winds 15 to 25 knots veering north by
midnight, then increasing to 20 to 30 knots late. a slight chance
of snow showers in the evening. waves building to 3 to 5 feet
occasionally to 7 feet.
.sunday...north winds 20 to 30 knots. a slight chance of snow
showers in the morning. waves building to 3 to 6 feet
occasionally to 8 feet.
.sunday night...north winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. waves subsiding to 2 to 4 feet.
.monday...north winds 10 to 20 knots becoming east 5 to 15 knots
in the afternoon. waves subsiding to calm to 2 feet.
.monday night...southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. a chance of snow showers. waves
building to 1 to 3 feet.
.tuesday...south winds 10 to 20 knots veering west. a chance of
snow showers. waves building to 2 to 4 feet, then subsiding to
calm to 2 feet.
.wednesday...northwest winds 10 to 20 knots. a chance of snow
showers. waves building to 2 to 4 feet, then subsiding to calm to
2 feet.
note, wave height forecasts are for ice free areas.
$$
(18/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/21/2026 4:01 AM America/New_York.
Valid through 2/21/2026 4:00 PM America/New_York.
fzus63 kmqt 210901
glfls
expires:202602212100;;003745
open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 21 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...
a 29.7 inch low over lake huron this morning gradually weakens to
30.0 inches by tonight as it slowly meanders into southern ontario.
meanwhile, 31.2 inch high pressure builds over northern
saskatchewan. through sunday, the low is gradually absorbed into a
29.1 inch nor'easter off the delmarva peninsula as high pressure
slides over manitoba at 31.0 inches, extending 30.6 inch ridging
over western lake superior. the high weakens slightly to 30.8 inches
over northern ontario by monday afternoon before sharply weakening
to 30.3 inches over the ontario/quebec line tuesday morning.
meanwhile, broad 29.8 inch low pressure forms over the plains,
sending at least one low of around 29.5 inches through the great
lakes basin during the midweek period. weak ridging then builds over
lake superior at around 29.9 inches for thursday.
lsz264-212100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est sat feb 21 2026
...heavy freezing spray warning in effect from late tonight
through late sunday night...
...gale watch in effect from sunday afternoon through late sunday
night...
.early this morning...northwest winds 10 to 20 knots. snow
showers. waves 3 to 5 feet occasionally to 7 feet.
.today...north winds 10 to 20 knots diminishing to 5 to 15 knots
by late morning, then increasing to 10 to 20 knots by mid
afternoon. snow showers. waves subsiding to 2 to 4 feet.
.tonight...north winds 15 to 25 knots increasing to 20 to
30 knots late. a chance of snow showers. freezing spray after
midnight. waves building to 4 to 7 feet occasionally to 9 feet.
.sunday...north winds 20 to 30 knots increasing to gales to
35 knots by mid afternoon. heavy freezing spray. a slight chance
of snow showers. waves building to 7 to 10 feet occasionally to
13 feet.
.sunday night...north gales to 35 knots. heavy freezing spray. a
chance of snow showers. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet.
.monday...north winds 20 to 30 knots diminishing to 10 to
20 knots in the afternoon. heavy freezing spray in the morning. a
chance of snow showers. waves subsiding to 2 to 4 feet.
.monday night...east winds 5 to 15 knots becoming southeast 10 to
20 knots after midnight. waves subsiding to calm to 2 feet, then
building to 2 to 4 feet.
.tuesday...south winds 15 to 25 knots backing southeast. freezing
spray. a chance of snow showers. waves building to 6 to 9 feet
occasionally to 11 feet.
.wednesday...northwest winds 15 to 25 knots increasing to 20 to
30 knots. a chance of snow showers. freezing spray. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
5 to 8 feet occasionally to 10 feet.
note, wave height forecasts are for ice free areas.
$$
(19/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/21/2026 4:01 AM America/New_York.
Valid through 2/21/2026 4:00 PM America/New_York.
fzus63 kmqt 210901
glfls
expires:202602212100;;003744
open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 21 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...
a 29.7 inch low over lake huron this morning gradually weakens to
30.0 inches by tonight as it slowly meanders into southern ontario.
meanwhile, 31.2 inch high pressure builds over northern
saskatchewan. through sunday, the low is gradually absorbed into a
29.1 inch nor'easter off the delmarva peninsula as high pressure
slides over manitoba at 31.0 inches, extending 30.6 inch ridging
over western lake superior. the high weakens slightly to 30.8 inches
over northern ontario by monday afternoon before sharply weakening
to 30.3 inches over the ontario/quebec line tuesday morning.
meanwhile, broad 29.8 inch low pressure forms over the plains,
sending at least one low of around 29.5 inches through the great
lakes basin during the midweek period. weak ridging then builds over
lake superior at around 29.9 inches for thursday.
lsz263-212100-
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-
400 am est sat feb 21 2026
...heavy freezing spray warning in effect from sunday morning
through late sunday night...
.early this morning...northwest winds 10 to 20 knots. a chance of
snow showers. waves 2 to 4 feet.
.today...north winds 10 to 20 knots diminishing to 5 to 15 knots
by late morning, then backing northwest by mid afternoon. a
chance of snow showers. waves subsiding to 1 to 3 feet.
.tonight...north winds 10 to 20 knots increasing to 15 to
25 knots by midnight. a chance of snow showers. waves building to
3 to 6 feet occasionally to 8 feet.
.sunday...north winds 20 to 30 knots. heavy freezing spray. a
slight chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet.
.sunday night...north gales to 35 knots. heavy freezing spray. a
slight chance of snow showers. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet.
.monday...north winds 15 to 25 knots diminishing to 5 to 15 knots
in the afternoon. waves subsiding to 1 to 3 feet.
.monday night...east winds 5 to 15 knots becoming south 10 to
20 knots after midnight. a chance of snow showers after midnight.
waves subsiding to calm to 2 feet, then building to 2 to 4 feet.
.tuesday...south winds 10 to 20 knots becoming west 15 to
25 knots. a chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet.
.wednesday...northwest winds 10 to 20 knots increasing to 15 to
25 knots. a chance of snow showers. waves subsiding to 3 to
6 feet occasionally to 8 feet.
note, wave height forecasts are for ice free areas.
$$
(20/20)
Latest Great Lakes Marine Forecast by KMQT
Issued 2/21/2026 4:01 AM America/New_York.
Valid through 2/21/2026 4:00 PM America/New_York.
fzus63 kmqt 210901
glfls
expires:202602212100;;003746
open lake forecast for lake superior
national weather service marquette mi
400 am est sat feb 21 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...
a 29.7 inch low over lake huron this morning gradually weakens to
30.0 inches by tonight as it slowly meanders into southern ontario.
meanwhile, 31.2 inch high pressure builds over northern
saskatchewan. through sunday, the low is gradually absorbed into a
29.1 inch nor'easter off the delmarva peninsula as high pressure
slides over manitoba at 31.0 inches, extending 30.6 inch ridging
over western lake superior. the high weakens slightly to 30.8 inches
over northern ontario by monday afternoon before sharply weakening
to 30.3 inches over the ontario/quebec line tuesday morning.
meanwhile, broad 29.8 inch low pressure forms over the plains,
sending at least one low of around 29.5 inches through the great
lakes basin during the midweek period. weak ridging then builds over
lake superior at around 29.9 inches for thursday.
lsz265-212100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est sat feb 21 2026
...heavy freezing spray warning in effect from sunday afternoon
through late sunday night...
...gale watch in effect from sunday afternoon through late sunday
night...
.early this morning...northwest winds 20 to 30 knots. freezing
spray. snow showers. waves 3 to 6 feet occasionally to 8 feet.
.today...northwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet.
.tonight...northwest winds 15 to 25 knots increasing to 20 to
30 knots by midnight, then veering north late. snow showers
likely in the evening, then a chance of snow showers after
midnight. freezing spray after midnight. waves building to 5 to
8 feet occasionally to 10 feet.
.sunday...north gales to 35 knots. freezing spray. a chance of
snow showers. waves building to 8 to 11 feet occasionally to
14 feet.
.sunday night...north gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves building to 8 to 12 feet
occasionally to 15 feet.
.monday...north winds 20 to 30 knots diminishing to 10 to
20 knots in the afternoon. heavy freezing spray. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.monday night...north winds 5 to 15 knots becoming south 10 to
20 knots after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet.
.tuesday...south winds 15 to 25 knots. freezing spray. a chance
of snow showers. waves building to 4 to 7 feet occasionally to
9 feet.
.wednesday...northwest winds 20 to 30 knots. freezing spray. a
chance of snow showers. waves building to 4 to 8 feet
occasionally to 10 feet.
note, wave height forecasts are for ice free areas.
$$
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