(1/10)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/3/2026 3:49 PM America/New_York.
Valid through 1/4/2026 12:00 AM America/New_York.
fzus63 kdtx 032049
glflh
expires:202601040500;;734662
open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm est sat jan 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a weak low, 29.90 inches, clips across the northern
great lakes this evening bringing light snow chances to the area.
high pressure, 30.20 inches, then follows sunday. another weak
low arrives late sunday night bringing another wave of light
snow.
lhz363-462>464-040500-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
349 pm est sat jan 3 2026
.tonight...west winds 10 to 15 knots increasing to 15 to 20 knots
in the late evening and overnight. snow showers likely in the
evening...then a chance of snow showers after midnight. waves
3 to 5 feet.
.sunday...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 3 to 5 feet.
.sunday night...southwest winds 5 to 10 knots becoming south
10 to 15 knots by midnight...then increasing to 15 to 20 knots
after midnight. snow after midnight. snow may be heavy at times
after midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.monday...south winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and early afternoon...then becoming southwest
5 to 10 knots early in the afternoon. a chance of snow. waves
3 to 5 feet.
.monday night...southwest winds 5 to 10 knots. waves 1 to 3 feet.
.tuesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots. a chance of rain. waves 1 to 3 feet.
.wednesday...southwest winds 10 to 15 knots becoming west 5 to
10 knots early in the evening...then becoming southwest 10 to
15 knots by midnight. waves 1 to 3 feet.
.thursday...south winds 10 to 15 knots backing to the southeast .
a chance of rain. waves 1 to 3 feet.
$$
(2/10)
Latest Great Lakes Marine Forecast by KDTX
Issued 1/3/2026 3:49 PM America/New_York.
Valid through 1/4/2026 12:00 AM America/New_York.
fzus63 kdtx 032049
glflh
expires:202601040500;;734661
open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm est sat jan 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a weak low, 29.90 inches, clips across the northern
great lakes this evening bringing light snow chances to the area.
high pressure, 30.20 inches, then follows sunday. another weak
low arrives late sunday night bringing another wave of light
snow.
lhz361-362-040500-
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-
349 pm est sat jan 3 2026
.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots early in the morning. snow showers likely in the
evening. waves 4 to 6 feet. waves occasionally around 8 feet.
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the west in the afternoon.
waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon.
.sunday night...west winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. a chance of snow in
the evening...then snow after midnight. waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.monday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon. a chance of snow. waves 3 to
5 feet.
.monday night...southwest winds 5 to 10 knots backing to the
south after midnight. waves 1 to 3 feet.
.tuesday...south winds 5 to 10 knots increasing to 10 to 15 knots
late in the morning...then becoming southeast 5 to 10 knots late
in the afternoon. a chance of rain and snow late in the morning.
a chance of rain late in the evening. waves 1 to 3 feet.
.wednesday...south winds 5 to 10 knots becoming west 10 to
15 knots in the late morning and early afternoon...then becoming
southwest 5 to 10 knots . waves 1 to 3 feet.
.thursday...southwest winds 5 to 10 knots becoming south 10 to
15 knots. a chance of rain by midnight. waves 1 to 3 feet
building to 2 to 4 feet .
$$
(3/10)
Latest Great Lakes Marine Forecast by KMKX
Issued 1/3/2026 1:58 PM US/Central.
Valid through 1/3/2026 10:15 PM US/Central.
fzus63 kmkx 031958
glflm
expires:202601040415;;732328
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
158 pm cst sat jan 3 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...
west winds will become variable tonight and early sunday as a
broad area of high pressure averaging 30.1 inches moves across the
western great lakes. southerly winds will develop by sunday
afternoon as that high becomes centered over central ohio, and low
pressure of 29.6 inches moves across southern minnesota. gales are
not expected, but winds over the open waters could aproach 30
knots before weakening monday morning.
a few other system may impact the lake michigan area through mid
to late week with winds varying between westerly and southerly,
but the probability of gales is low at this time.
lmz080-669-671-673-675-777-779-870-872-874-876-878-040415-
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-
158 pm cst sat jan 3 2026
sheboygan wi to pentwater mi south...
.tonight...northwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft.
.sunday...northwest winds 5 to 10 kt backing to south 10 to
15 kt. chance of snow and slight chance of light sleet in the
afternoon. waves 1 to 3 ft.
.sunday night...south winds 10 to 20 kt becoming southwest 15 to
25 kt. rain, light freezing rain and snow likely in the evening.
waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.
.monday...southwest winds 10 to 20 kt becoming west 10 to 15 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.monday night...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 3 ft.
.tuesday...southeast winds 10 to 15 kt becoming south. chance of
rain. waves 1 to 3 ft.
.tuesday night...southwest winds 10 to 15 kt becoming west. waves
1 to 3 ft.
.wednesday...west winds 10 to 15 kt becoming southwest. waves
1 to 3 ft.
.thursday...southeast winds 10 to 20 kt. chance of rain. waves
2 to 4 ft.
$$
(4/10)
Latest Great Lakes Marine Forecast by KMKX
Issued 1/3/2026 1:58 PM US/Central.
Valid through 1/3/2026 10:15 PM US/Central.
fzus63 kmkx 031958
glflm
expires:202601040415;;732327
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
158 pm cst sat jan 3 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...
west winds will become variable tonight and early sunday as a
broad area of high pressure averaging 30.1 inches moves across the
western great lakes. southerly winds will develop by sunday
afternoon as that high becomes centered over central ohio, and low
pressure of 29.6 inches moves across southern minnesota. gales are
not expected, but winds over the open waters could aproach 30
knots before weakening monday morning.
a few other system may impact the lake michigan area through mid
to late week with winds varying between westerly and southerly,
but the probability of gales is low at this time.
lmz261-362-364-366-563-565-567-868-040415-
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-
158 pm cst sat jan 3 2026
sheboygan wi to pentwater mi north...
.tonight...northwest winds 10 to 20 kt. slight chance of very
light freezing drizzle this evening. waves 2 to 4 ft.
.sunday...northwest winds 10 to 15 kt backing to southwest.
chance of snow and slight chance of light sleet in the afternoon.
waves 1 to 3 ft subsiding to 1 to 2 ft.
.sunday night...south winds 10 to 20 kt becoming southwest. snow
with a chance of freezing rain in the evening, then snow with
possible rain, freezing rain, drizzle and freezing drizzle likely
overnight. waves 2 to 4 ft building to 5 to 8 ft occasionally to
10 ft.
.monday...west winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.monday night...south winds 5 to 10 kt. waves 1 to 3 ft subsiding
to 1 to 2 ft.
.tuesday...south winds 10 to 15 kt. chance of rain in the
morning, then chance of rain and snow in the afternoon. waves
1 to 2 ft.
.tuesday night...south winds 5 to 10 kt becoming west 10 to
15 kt. chance of rain and snow. waves 1 to 3 ft.
.wednesday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft.
.thursday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft.
$$
(5/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/3/2026 4:01 PM America/New_York.
Valid through 1/4/2026 4:00 AM America/New_York.
fzus63 kmqt 032101
glfls
expires:202601040900;;735049
open lake forecast for lake superior
national weather service marquette mi
400 pm est sat jan 3 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 29.0 inch low retrogrades over far northern quebec the rest of
today as a 30.1 inch ridge extends over the upper midwest. ridging
builds to 30.2 inches over the upper great lakes late tonight before
moving into the rest of the great lakes on sunday. the ridging
continues east into the atlantic sunday night and monday as a 29.8
low tracks into the upper great lakes. a second low around 29.6
inches is expected to impact the upper great lakes tuesday into
tuesday night. weak ridging around 29.9 inches recovers over the
upper great lakes wednesday into thursday.
lsz265-040900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est sat jan 3 2026
.late this afternoon...northwest winds 20 to 30 knots. a chance
of snow showers. waves 3 to 5 feet occasionally to 7 feet.
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. a slight chance of snow showers in the
evening. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet.
.sunday...northwest winds 10 to 20 knots backing west by late
morning, then backing south by mid afternoon. a slight chance of
snow showers in the afternoon. waves subsiding to calm to 2 feet.
.sunday night...south winds 15 to 25 knots diminishing to 10 to
20 knots by midnight, then veering southwest late. snow showers
in the evening, then a chance of snow showers after midnight.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet.
.monday...west winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. waves calm to 2 feet.
.monday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet.
.tuesday...south winds 10 to 20 knots. a chance of snow showers.
a chance of rain showers in the afternoon. waves calm to 2 feet.
.tuesday night...southwest winds 10 to 20 knots veering west
after midnight. a chance of rain and snow showers. waves calm to
2 feet.
.wednesday...west winds 10 to 20 knots backing southwest. waves
calm to 2 feet.
.thursday...south winds 10 to 20 knots veering southwest. a
chance of rain showers. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(6/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/3/2026 4:01 PM America/New_York.
Valid through 1/4/2026 4:00 AM America/New_York.
fzus63 kmqt 032101
glfls
expires:202601040900;;735050
open lake forecast for lake superior
national weather service marquette mi
400 pm est sat jan 3 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 29.0 inch low retrogrades over far northern quebec the rest of
today as a 30.1 inch ridge extends over the upper midwest. ridging
builds to 30.2 inches over the upper great lakes late tonight before
moving into the rest of the great lakes on sunday. the ridging
continues east into the atlantic sunday night and monday as a 29.8
low tracks into the upper great lakes. a second low around 29.6
inches is expected to impact the upper great lakes tuesday into
tuesday night. weak ridging around 29.9 inches recovers over the
upper great lakes wednesday into thursday.
lsz266-040900-
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 pm est sat jan 3 2026
.late this afternoon...northwest winds 20 to 30 knots. freezing
spray. a chance of snow showers. waves 4 to 7 feet occasionally
to 9 feet.
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet.
.sunday...northwest winds 10 to 20 knots becoming west 5 to
15 knots by late morning, then backing south by mid afternoon.
waves subsiding to 1 to 3 feet.
.sunday night...south winds 15 to 25 knots diminishing to 10 to
20 knots late. snow showers. waves building to 2 to 4 feet.
.monday...south winds 10 to 20 knots. a slight chance of snow
showers in the morning. waves subsiding to calm to 2 feet.
.monday night...south winds 10 to 20 knots. waves calm to 2 feet.
.tuesday...south winds 10 to 20 knots. a chance of snow showers,
possibly mixed with rain. waves building to 1 to 3 feet.
.tuesday night...south winds 10 to 20 knots veering west after
midnight. a chance of rain and snow showers. waves 1 to 3 feet.
.wednesday...west winds 10 to 20 knots backing southwest. waves
1 to 3 feet.
.thursday...south winds 10 to 20 knots becoming southwest 15 to
25 knots. a chance of rain showers. waves 1 to 3 feet.
note, wave height forecasts are for ice free areas.
$$
(7/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/3/2026 4:01 PM America/New_York.
Valid through 1/4/2026 4:00 AM America/New_York.
fzus63 kmqt 032101
glfls
expires:202601040900;;735051
open lake forecast for lake superior
national weather service marquette mi
400 pm est sat jan 3 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 29.0 inch low retrogrades over far northern quebec the rest of
today as a 30.1 inch ridge extends over the upper midwest. ridging
builds to 30.2 inches over the upper great lakes late tonight before
moving into the rest of the great lakes on sunday. the ridging
continues east into the atlantic sunday night and monday as a 29.8
low tracks into the upper great lakes. a second low around 29.6
inches is expected to impact the upper great lakes tuesday into
tuesday night. weak ridging around 29.9 inches recovers over the
upper great lakes wednesday into thursday.
lsz267-040900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est sat jan 3 2026
.late this afternoon...northwest winds 20 to 30 knots. freezing
spray. snow showers likely. waves 4 to 7 feet occasionally to
9 feet.
.tonight...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. freezing spray. snow showers likely. waves building to
5 to 8 feet occasionally to 10 feet, then subsiding to 3 to
6 feet occasionally to 8 feet.
.sunday...northwest winds 10 to 20 knots backing southwest by mid
afternoon. a slight chance of snow showers in the morning. waves
subsiding to 1 to 3 feet.
.sunday night...south winds 10 to 20 knots increasing to 15 to
25 knots by midnight, then backing southeast late. snow showers.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet.
.monday...southeast winds 10 to 20 knots veering south in the
afternoon. a slight chance of snow showers in the morning. waves
subsiding to calm to 2 feet.
.monday night...south winds 10 to 20 knots. waves calm to 2 feet.
.tuesday...south winds 10 to 20 knots. a chance of rain showers.
a chance of snow showers in the afternoon. waves calm to 2 feet.
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of snow showers, possibly mixed with
rain. waves building to 1 to 3 feet.
.wednesday...west winds 10 to 20 knots backing southwest. waves
1 to 3 feet.
.thursday...south winds 10 to 20 knots. a chance of rain showers.
waves 1 to 3 feet.
note, wave height forecasts are for ice free areas.
$$
(8/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/3/2026 4:01 PM America/New_York.
Valid through 1/4/2026 4:00 AM America/New_York.
fzus63 kmqt 032101
glfls
expires:202601040900;;735046
open lake forecast for lake superior
national weather service marquette mi
400 pm est sat jan 3 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 29.0 inch low retrogrades over far northern quebec the rest of
today as a 30.1 inch ridge extends over the upper midwest. ridging
builds to 30.2 inches over the upper great lakes late tonight before
moving into the rest of the great lakes on sunday. the ridging
continues east into the atlantic sunday night and monday as a 29.8
low tracks into the upper great lakes. a second low around 29.6
inches is expected to impact the upper great lakes tuesday into
tuesday night. weak ridging around 29.9 inches recovers over the
upper great lakes wednesday into thursday.
lsz162-040900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est sat jan 3 2026 /300 pm cst sat jan 3 2026/
.late this afternoon...northwest winds 10 to 20 knots. waves 1 to
3 feet.
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves subsiding to calm to 2 feet.
.sunday...west winds 5 to 15 knots backing south by late morning,
then becoming southeast 10 to 20 knots by mid afternoon. a chance
of snow showers in the afternoon. waves calm to 2 feet.
.sunday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots by midnight, then veering west late. snow showers,
possibly mixed with freezing rain in the evening, then a slight
chance of snow showers after midnight. waves calm to 2 feet.
.monday...east winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet.
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.tuesday...southwest winds 5 to 15 knots veering west in the
afternoon. a chance of snow showers. waves calm to 2 feet.
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet.
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.thursday...southwest winds 5 to 15 knots becoming north 10 to
20 knots. waves calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(9/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/3/2026 4:01 PM America/New_York.
Valid through 1/4/2026 4:00 AM America/New_York.
fzus63 kmqt 032101
glfls
expires:202601040900;;735047
open lake forecast for lake superior
national weather service marquette mi
400 pm est sat jan 3 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 29.0 inch low retrogrades over far northern quebec the rest of
today as a 30.1 inch ridge extends over the upper midwest. ridging
builds to 30.2 inches over the upper great lakes late tonight before
moving into the rest of the great lakes on sunday. the ridging
continues east into the atlantic sunday night and monday as a 29.8
low tracks into the upper great lakes. a second low around 29.6
inches is expected to impact the upper great lakes tuesday into
tuesday night. weak ridging around 29.9 inches recovers over the
upper great lakes wednesday into thursday.
lsz263-040900-
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 pm est sat jan 3 2026
.late this afternoon...northwest winds 10 to 20 knots. a slight
chance of snow showers. waves 2 to 4 feet.
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to calm to 2 feet.
.sunday...northwest winds 5 to 15 knots backing south by late
morning, then backing southeast by mid afternoon. a chance of
snow showers in the afternoon. waves calm to 2 feet.
.sunday night...southeast winds 5 to 15 knots veering southwest
late. snow showers in the evening, then a slight chance of
freezing rain and snow showers after midnight. waves calm to
2 feet.
.monday...northeast winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet.
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.tuesday...southwest winds 5 to 15 knots. a chance of rain
showers. waves calm to 2 feet.
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet.
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet.
.thursday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet.
note, wave height forecasts are for ice free areas.
$$
(10/10)
Latest Great Lakes Marine Forecast by KMQT
Issued 1/3/2026 4:01 PM America/New_York.
Valid through 1/4/2026 4:00 AM America/New_York.
fzus63 kmqt 032101
glfls
expires:202601040900;;735048
open lake forecast for lake superior
national weather service marquette mi
400 pm est sat jan 3 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 29.0 inch low retrogrades over far northern quebec the rest of
today as a 30.1 inch ridge extends over the upper midwest. ridging
builds to 30.2 inches over the upper great lakes late tonight before
moving into the rest of the great lakes on sunday. the ridging
continues east into the atlantic sunday night and monday as a 29.8
low tracks into the upper great lakes. a second low around 29.6
inches is expected to impact the upper great lakes tuesday into
tuesday night. weak ridging around 29.9 inches recovers over the
upper great lakes wednesday into thursday.
lsz264-040900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est sat jan 3 2026
.late this afternoon...northwest winds 15 to 25 knots. a slight
chance of snow showers. waves 3 to 5 feet occasionally to 7 feet.
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. waves building to 3 to 6 feet occasionally
to 8 feet, then subsiding to 2 to 4 feet.
.sunday...northwest winds 5 to 15 knots backing southeast by mid
afternoon. a slight chance of snow showers in the afternoon.
waves subsiding to calm to 2 feet.
.sunday night...southeast winds 5 to 15 knots becoming south
10 to 20 knots by midnight, then diminishing to 5 to 15 knots
late. snow showers likely in the evening, then a slight chance of
snow showers after midnight. waves building to 1 to 3 feet.
.monday...east winds 5 to 15 knots veering south in the
afternoon. waves subsiding to calm to 2 feet.
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet.
.tuesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.tuesday night...southwest winds 5 to 15 knots veering west after
midnight. waves calm to 2 feet.
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet.
.thursday...south winds 5 to 15 knots veering west. waves
building to 1 to 3 feet.
note, wave height forecasts are for ice free areas.
$$
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