(1/18)
Latest Great Lakes Marine Forecast by KBUF
Issued 4/2/2026 4:10 AM America/New_York.
Valid through 4/2/2026 11:00 AM America/New_York.
fzus61 kbuf 020810
glflo
expires:202604021500;;694924
open lake forecast for lake ontario
national weather service buffalo ny
410 am edt thu apr 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 30.7 inch high will build east across quebec today. a
29.6 inch low will move into the central great lakes to before
reaching southern quebec friday afternoon, lifting a frontal
boundary northward over the lake tonight. a 29.4 inch surface low
will track through the central great lakes saturday, then into
quebec saturday night and sunday, while dragging a cold front across
the lake saturday night.
loz062-021500-
lake ontario open waters from the niagara river to hamlin beach-
410 am edt thu apr 2 2026
.today...east winds 15 to 25 knots. rain showers likely early
this afternoon. a chance of rain showers late. waves 5 to 8 feet.
waves occasionally around 10 feet.
.tonight...east winds 15 to 20 knots becoming southwest. a chance
of rain showers in the evening, then rain showers after midnight.
waves 4 to 7 feet subsiding to 3 to 5 feet. waves occasionally
around 9 feet.
.friday...south winds 15 to 25 knots becoming west. a chance of
showers in the morning. waves 3 to 6 feet building to 4 to
7 feet. waves occasionally around 9 feet.
.friday night...west winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet.
.saturday...east winds 15 to 20 knots becoming southwest. rain
showers. waves 2 to 4 feet building to 3 to 5 feet.
.sunday...west winds 20 to 25 knots. rain showers likely during
the day. waves 5 to 8 feet. waves occasionally around 10 feet.
.monday...west winds 15 to 25 knots becoming north 15 to
20 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet.
$$
(2/18)
Latest Great Lakes Marine Forecast by KBUF
Issued 4/2/2026 4:10 AM America/New_York.
Valid through 4/2/2026 11:00 AM America/New_York.
fzus61 kbuf 020810
glflo
expires:202604021500;;694925
open lake forecast for lake ontario
national weather service buffalo ny
410 am edt thu apr 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 30.7 inch high will build east across quebec today. a
29.6 inch low will move into the central great lakes to before
reaching southern quebec friday afternoon, lifting a frontal
boundary northward over the lake tonight. a 29.4 inch surface low
will track through the central great lakes saturday, then into
quebec saturday night and sunday, while dragging a cold front across
the lake saturday night.
loz063>065-021500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
410 am edt thu apr 2 2026
.today...east winds 15 to 20 knots. a chance of rain showers
early this afternoon. rain showers likely late. waves 3 to
6 feet.
.tonight...east winds 15 to 25 knots becoming south to 30 knots.
a chance of showers through the early overnight, then showers
likely late. waves 3 to 5 feet building to 5 to 8 feet. waves
occasionally around 10 feet.
.friday...south winds to 30 knots becoming southwest. showers
likely in the morning, then a chance of showers in the afternoon.
waves 5 to 8 feet subsiding to 3 to 6 feet. waves occasionally
around 10 feet.
.friday night...west winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet.
.saturday...northeast winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. rain showers likely during the day,
then rain showers with a chance of thunderstorms saturday night.
waves 1 to 3 feet building to 3 to 6 feet.
.sunday...west winds to 30 knots. rain showers during the day.
waves 4 to 7 feet building to 6 to 10 feet. waves occasionally
around 13 feet.
.monday...west winds 15 to 25 knots becoming north. waves 6 to
9 feet subsiding to 2 to 4 feet. waves occasionally around
11 feet.
winds and waves higher in and near thunderstorms.
$$
(3/18)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 10:30 AM America/New_York.
fzus61 kcle 020801
glfle
expires:202604021430;;693941
open lake forecast for lake erie
national weather service cleveland oh
401 am edt thu apr 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 warm front will lift north across lake erie tonight, and then
settle back south as a stationary front near the lake friday.
the front will lift north again on saturday ahead of low pressure
deepening to 29.60 inches as it tracks through the upper great
lakes, then pulling a cold front east across lake erie saturday
night. weak high pressure of 30.20 inches will build across the
area on monday.
lez061-167>169-021430-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
401 am edt thu apr 2 2026
.today...northeast winds 15 to 20 knots becoming east 10 to
15 knots. a chance of rain showers. a slight chance of rain
showers and thunderstorms late. waves 3 to 6 feet subsiding to
2 to 4 feet.
.tonight...east winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. a slight chance of showers and
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight. showers likely
with a slight chance of thunderstorms late. waves 1 to 3 feet
building to 3 to 5 feet.
.friday...southwest winds 15 to 20 knots becoming west. a chance
of showers. waves 3 to 5 feet.
.friday night...west winds 5 to 15 knots becoming northeast. a
chance of rain showers and thunderstorms in the evening, then a
chance of rain showers overnight. waves 2 to 4 feet subsiding to
1 to 3 feet.
.saturday...east winds 10 to 15 knots becoming southwest 15 to
20 knots. rain showers. waves 1 to 2 feet building to 3 to
5 feet.
.sunday...west 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.
.monday...west winds 10 to 15 knots becoming north 15 to
20 knots. a chance of rain showers monday night. waves 1 to
3 feet.
winds and waves higher in and near thunderstorms.
$$
(4/18)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 10:30 AM America/New_York.
fzus61 kcle 020801
glfle
expires:202604021430;;693940
open lake forecast for lake erie
national weather service cleveland oh
401 am edt thu apr 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 warm front will lift north across lake erie tonight, and then
settle back south as a stationary front near the lake friday.
the front will lift north again on saturday ahead of low pressure
deepening to 29.60 inches as it tracks through the upper great
lakes, then pulling a cold front east across lake erie saturday
night. weak high pressure of 30.20 inches will build across the
area on monday.
lez163>166-021430-
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-
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-
401 am edt thu apr 2 2026
.today...east winds 15 to 20 knots diminishing to 10 to 15 knots.
a chance of rain showers with a slight chance of thunderstorms
early, then rain showers likely with a slight chance of
thunderstorms late this morning. a chance of rain showers with a
slight chance of thunderstorms late. waves 3 to 6 feet subsiding
to 2 to 4 feet.
.tonight...south winds 15 to 20 knots becoming southwest. a
slight chance of showers and thunderstorms early, then a chance
of showers with a slight chance of thunderstorms. showers likely
with a slight chance of thunderstorms late. waves 1 to 3 feet
building to 3 to 5 feet.
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers in the afternoon. waves 3 to 5 feet
subsiding to 2 to 4 feet.
.friday night...northwest winds 5 to 15 knots becoming east.
showers with a chance of thunderstorms. waves 1 to 3 feet.
.saturday...southeast winds 10 to 15 knots becoming west 15 to
20 knots. showers likely. waves 1 to 3 feet building to 3 to
5 feet.
.sunday...west 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.
.monday...west winds 15 to 20 knots becoming north. a chance of
rain showers monday night. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(5/18)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 10:30 AM America/New_York.
fzus61 kcle 020801
glfle
expires:202604021430;;693939
open lake forecast for lake erie
national weather service cleveland oh
401 am edt thu apr 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 warm front will lift north across lake erie tonight, and then
settle back south as a stationary front near the lake friday.
the front will lift north again on saturday ahead of low pressure
deepening to 29.60 inches as it tracks through the upper great
lakes, then pulling a cold front east across lake erie saturday
night. weak high pressure of 30.20 inches will build across the
area on monday.
lez162-021430-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
401 am edt thu apr 2 2026
.today...east winds 15 to 20 knots becoming southeast 10 to
15 knots. rain showers with a slight chance of thunderstorms this
morning. a chance of rain showers with a slight chance of
thunderstorms late. waves 2 to 4 feet.
.tonight...south winds 15 to 20 knots becoming southwest. a
chance of showers with a slight chance of thunderstorms early,
then showers likely with a slight chance of thunderstorms. a
chance of showers with a slight chance of thunderstorms late.
waves 2 to 4 feet.
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet.
.friday night...northwest winds 5 to 15 knots becoming east.
showers with a chance of thunderstorms. waves 2 feet or less.
.saturday...southeast winds 10 to 15 knots becoming west 15 to
20 knots. showers with a chance of thunderstorms during the day,
then a chance of showers saturday night. waves 2 to 3 feet.
.sunday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet.
.monday...west winds 10 to 15 knots becoming northwest. a chance
of rain showers during the day. waves 1 to 2 feet.
winds and waves higher in and near thunderstorms.
$$
(6/18)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/2/2026 3:34 AM America/New_York.
Valid through 4/2/2026 11:45 AM America/New_York.
fzus63 kdtx 020734
glfsc
expires:202604021545;;693005
lake st clair forecast
national weather service detroit/pontiac mi
334 am edt thu apr 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...the expansive strong surface high, 30.50 inches,
currently situated north of lake superior, will continue to push
eastward across quebec through the day. low pressure, 29.50
inches, will approach from the central plains into the western
great lakes on thursday, bringing another round of precipitation
to the region. this low will then exit northeast of the great
lakes on friday. another low, 29.70 inches, then quickly follows
into the region on saturday.
lcz460-021545-
lake st clair-
334 am edt thu apr 2 2026
.today...east winds 10 to 15 knots. light rain likely early in the
morning. rain late in the morning...then a chance of light rain
early in the afternoon. waves 1 to 3 feet.
.tonight...southeast winds 10 to 15 knots becoming south 15 to 20
knots in the late evening and overnight. becoming partly cloudy
early in the morning. rain and a chance of thunderstorms in the
evening...then a chance of light rain after midnight. waves 1 to 3
feet building to 2 to 4 feet after midnight.
.friday...southwest winds 15 to 20 knots becoming west 10 to 15
knots early in the afternoon. partly sunny. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.friday night...north winds 5 to 10 knots becoming northeast 10 to
15 knots after midnight. partly cloudy with a chance of light rain
...then light rain after midnight. waves 2 feet or less.
.saturday...southeast winds 15 to 20 knots veering to the southwest
in the evening. light rain in the morning...then rain and a chance
of thunderstorms in the afternoon and evening. waves 1 to 3 feet.
.sunday...northwest winds 20 to 25 knots with gusts to 30 knots.
mostly cloudy. waves 1 to 3 feet. a small craft advisory may be
needed.
.monday...northwest winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.
$$
(7/18)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/2/2026 3:34 AM America/New_York.
Valid through 4/2/2026 11:45 AM America/New_York.
fzus63 kdtx 020734
glflh
expires:202604021545;;693001
open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am edt thu apr 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...the expansive strong surface high, 30.50 inches,
currently situated north of lake superior, will continue to push
eastward across quebec through the day. low pressure, 29.50
inches, will approach from the central plains into the western
great lakes on thursday, bringing another round of precipitation
to the region. this low will then exit northeast of the great
lakes on friday. another low, 29.70 inches, then quickly follows
into the region on saturday.
lhz361-021545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
334 am edt thu apr 2 2026
.today...east winds 20 to 25 knots with gusts to around 30 knots
increasing to 30 knots late in the afternoon. a chance of sleet
in the morning...then sleet...rain and freezing rain with snow
likely in the afternoon. precipitation may be heavy at times in
the afternoon. waves 8 to 12 feet. waves occasionally around
15 feet.
.tonight...east winds to 30 knots decreasing to 20 to 25 knots
with gusts to around 30 knots late in the evening...then
decreasing to 10 to 15 knots after midnight veering to the south
early in the morning. rain in the evening...then a chance of rain
after midnight. waves 8 to 12 feet. waves occasionally around
15 feet.
.friday...west winds 15 to 20 knots. waves 4 to 6 feet.
.friday night...northwest winds 5 to 10 knots becoming northeast
10 to 15 knots by midnight...then becoming east 20 to 25 knots
with gusts to around 30 knots after midnight. a chance of rain
after midnight. waves 3 to 5 feet subsiding to 2 to 4 feet by
midnight...then building to 5 to 7 feet after midnight. waves
occasionally around 10 feet.
.saturday...east winds to 30 knots decreasing to 15 to 20 knots
with gusts to around 30 knots late in the morning...then becoming
southwest 20 to 25 knots with gusts to around 30 knots late in
the evening. rain. waves 6 to 9 feet. waves occasionally around
12 feet.
.sunday...west winds to 30 knots becoming northwest 15 to
20 knots. waves 6 to 9 feet. waves occasionally around 12 feet.
.monday...northwest winds 10 to 15 knots becoming north 20 to
25 knots by midnight. a chance of until afternoon. a chance of
snow. waves 3 to 5 feet subsiding to 1 to 3 feet until early
evening...then building to 3 to 5 feet by midnight.
wave heights are for ice free areas.
$$
(8/18)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/2/2026 3:34 AM America/New_York.
Valid through 4/2/2026 11:45 AM America/New_York.
fzus63 kdtx 020734
glflh
expires:202604021545;;693002
open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am edt thu apr 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...the expansive strong surface high, 30.50 inches,
currently situated north of lake superior, will continue to push
eastward across quebec through the day. low pressure, 29.50
inches, will approach from the central plains into the western
great lakes on thursday, bringing another round of precipitation
to the region. this low will then exit northeast of the great
lakes on friday. another low, 29.70 inches, then quickly follows
into the region on saturday.
lhz362-363-021545-
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-
334 am edt thu apr 2 2026
.today...east winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to around 30 knots in the late morning and early
afternoon...then decreasing to 15 to 20 knots with gusts to
around 30 knots late in the afternoon. a chance of rain in the
morning...then rain in the afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet.
.tonight...east winds 15 to 20 knots with gusts to around
30 knots veering to the south after midnight...then increasing to
20 to 25 knots early in the morning. rain and a chance of
thunderstorms in the evening...then a chance of rain after
midnight. waves 8 to 12 feet. waves occasionally around 15 feet.
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon. waves 6 to 9 feet. waves
occasionally around 12 feet.
.friday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots after midnight. a chance of rain after midnight.
waves 3 to 5 feet.
.saturday...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots late in the morning...then
veering to the southwest late in the evening. rain. waves 6 to
9 feet. waves occasionally around 12 feet.
.sunday...west winds 20 to 25 knots with gusts to around 30 knots
becoming northwest 15 to 20 knots by midnight. waves 8 to
12 feet. waves occasionally around 15 feet.
.monday...west winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and early afternoon...then veering to the
west 10 to 15 knots early in the evening increasing to 20 to
25 knots by midnight. a chance of snow early in the evening.
waves 5 to 7 feet subsiding to 2 to 4 feet early in the evening...
then building to 4 to 6 feet by midnight. waves occasionally
around 10 feet.
$$
(9/18)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/2/2026 3:34 AM America/New_York.
Valid through 4/2/2026 11:45 AM America/New_York.
fzus63 kdtx 020734
glflh
expires:202604021545;;693003
open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am edt thu apr 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...the expansive strong surface high, 30.50 inches,
currently situated north of lake superior, will continue to push
eastward across quebec through the day. low pressure, 29.50
inches, will approach from the central plains into the western
great lakes on thursday, bringing another round of precipitation
to the region. this low will then exit northeast of the great
lakes on friday. another low, 29.70 inches, then quickly follows
into the region on saturday.
lhz462>464-021545-
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-
334 am edt thu apr 2 2026
.today...east winds 10 to 15 knots. rain. waves 3 to 5 feet.
.tonight...southeast winds 15 to 20 knots veering to the south
after midnight. rain and a chance of thunderstorms in the
evening...then a chance of rain and thunderstorms after midnight.
waves 4 to 6 feet building to 6 to 9 feet early in the morning.
waves occasionally around 12 feet.
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet.
.friday night...north winds 10 to 15 knots. a chance of rain
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet by
midnight...then building to 2 to 4 feet after midnight.
.saturday...east winds 15 to 20 knots veering to the southeast
late in the morning...then veering to the southwest late in the
evening. rain. a chance of thunderstorms late in the afternoon...
then a chance of rain late in the evening. waves 3 to 5 feet
building to 5 to 7 feet late in the afternoon. waves occasionally
around 10 feet.
.sunday...west winds 20 to 25 knots with gusts to around 30 knots
becoming northwest 15 to 20 knots . waves 6 to 9 feet. waves
occasionally around 12 feet.
.monday...west winds 10 to 15 knots becoming 15 to 20 knots by
midnight. a chance of rain early in the evening. waves 4 to
6 feet. waves occasionally around 8 feet.
$$
(10/18)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/2/2026 3:08 AM US/Central.
Valid through 4/2/2026 10:15 AM US/Central.
fzus63 kmkx 020808
glflm
expires:202604021515;;694528
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 am cdt thu apr 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 northeast to east winds will increase through this morning
as high pressure of 30.7 remains near james bay and low pressure
of 29.4 inches approaches from the central plains. these winds
will reach gale force around or shortly after daybreak this
morning.
easterly gales over the northern third of the lake will continue
through the day, while the southern two thirds may see a lull
during the afternoon as the warm front slowly moves in. then
southerly gales are expected over the southern two thirds during
the evening hours. a gale warning remains in effect.
thunderstorms are also expected over the southern two thirds of
lake michigan this afternoon and evening. winds will abruptly
shift to the west behind the cold front tonight.
beyond, winds become light and variable friday late morning into
friday afternoon before gusty northeast winds return ahead of a
low pressure of 29.7 inches on saturday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-021515-
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-
308 am cdt thu apr 2 2026
sheboygan wi to pentwater mi south...
...gale warning in effect from 7 am cdt this morning through late
tonight...
.today...east gales to 35 kt becoming south. rain showers, rain
and slight chance of thunderstorms this morning, then rain
showers with a chance of thunderstorms this afternoon. waves 6 to
9 ft occasionally to 12 ft.
.tonight...south gales to 35 kt becoming southwest to 30 kt. rain
showers likely with a chance of thunderstorms in the evening,
then chance of rain showers, thunderstorms and slight chance of
rain overnight. waves 7 to 10 ft occasionally to 13 ft building
to 8 to 12 ft occasionally to 16 ft, then subsiding to 7 to 10 ft
occasionally to 13 ft.
.friday...west winds 10 to 20 kt diminishing to 10 to 15 kt late
in the morning, then veering to north 5 to 10 kt early in the
afternoon becoming northeast 10 to 15 kt late. waves 5 to 8 ft
occasionally to 10 ft subsiding to 1 to 3 ft.
.friday night...northeast winds 10 to 20 kt becoming east 15 to
25 kt. rain showers likely with a chance of thunderstorms in the
evening, then rain showers with a chance of thunderstorms
overnight. waves 4 to 6 ft occasionally to 8 ft.
.saturday...south winds 15 to 25 kt becoming southwest. rain
showers in the morning. waves 4 to 6 ft occasionally to 8 ft.
.saturday night...west winds to 30 kt. waves 7 to 10 ft
occasionally to 13 ft.
.sunday...northwest winds to 30 kt. waves 8 to 11 ft occasionally
to 14 ft.
.monday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft.
$$
(11/18)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/2/2026 3:08 AM US/Central.
Valid through 4/2/2026 10:15 AM US/Central.
fzus63 kmkx 020808
glflm
expires:202604021515;;694526
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 am cdt thu apr 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 northeast to east winds will increase through this morning
as high pressure of 30.7 remains near james bay and low pressure
of 29.4 inches approaches from the central plains. these winds
will reach gale force around or shortly after daybreak this
morning.
easterly gales over the northern third of the lake will continue
through the day, while the southern two thirds may see a lull
during the afternoon as the warm front slowly moves in. then
southerly gales are expected over the southern two thirds during
the evening hours. a gale warning remains in effect.
thunderstorms are also expected over the southern two thirds of
lake michigan this afternoon and evening. winds will abruptly
shift to the west behind the cold front tonight.
beyond, winds become light and variable friday late morning into
friday afternoon before gusty northeast winds return ahead of a
low pressure of 29.7 inches on saturday.
lmz261-362-364-563-021515-
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 rock island passage to sturgeon bay wi-
308 am cdt thu apr 2 2026
sturgeon bay wi to point betsie mi north...
...gale warning in effect from 7 am cdt this morning through this
evening...
.today...east winds to 30 kt increasing to gales to 40 kt. rain,
freezing rain, sleet with a chance of snow this morning, then
rain, rain showers, freezing rain and slight chance of
thunderstorms this afternoon. waves 7 to 10 ft occasionally to
13 ft.
.tonight...east gales to 40 kt becoming southeast to 30 kt late
in the evening, then becoming south after midnight becoming
southwest late. rain showers and slight chance of thunderstorms
in the evening, then rain showers, slight chance of rain and
thunderstorms overnight. waves 6 to 9 ft occasionally to 12 ft.
.friday...west winds to 30 kt diminishing to 15 to 25 kt late in
the morning, then becoming northwest early in the afternoon
becoming north 10 to 20 kt late. waves 4 to 7 ft occasionally to
9 ft subsiding to 2 to 4 ft.
.friday night...northeast winds 10 to 20 kt becoming east to
30 kt overnight. chance of rain showers in the evening, then rain
showers with freezing rain likely overnight. waves 2 to 4 ft
building to 5 to 8 ft occasionally to 10 ft.
.saturday...east winds to 30 kt becoming south. rain showers and
freezing rain in the morning, then chance of rain showers in the
afternoon. waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 7 ft occasionally to 9 ft.
.saturday night...west winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.
.sunday...northwest winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft.
.monday...northwest winds 10 to 20 kt. chance of snow showers.
waves 2 to 4 ft.
$$
(12/18)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/2/2026 3:08 AM US/Central.
Valid through 4/2/2026 10:15 AM US/Central.
fzus63 kmkx 020808
glflm
expires:202604021515;;694527
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 am cdt thu apr 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 northeast to east winds will increase through this morning
as high pressure of 30.7 remains near james bay and low pressure
of 29.4 inches approaches from the central plains. these winds
will reach gale force around or shortly after daybreak this
morning.
easterly gales over the northern third of the lake will continue
through the day, while the southern two thirds may see a lull
during the afternoon as the warm front slowly moves in. then
southerly gales are expected over the southern two thirds during
the evening hours. a gale warning remains in effect.
thunderstorms are also expected over the southern two thirds of
lake michigan this afternoon and evening. winds will abruptly
shift to the west behind the cold front tonight.
beyond, winds become light and variable friday late morning into
friday afternoon before gusty northeast winds return ahead of a
low pressure of 29.7 inches on saturday.
lmz366-565-567-868-021515-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
308 am cdt thu apr 2 2026
sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...
...gale warning in effect from 7 am cdt this morning through late
tonight...
.today...east gales to 35 kt becoming southeast. rain and
freezing rain this morning, then rain showers, rain and slight
chance of thunderstorms this afternoon. waves 6 to 9 ft
occasionally to 12 ft.
.tonight...south gales to 35 kt becoming southwest to 30 knots.
rain showers with a chance of thunderstorms in the evening, then
slight chance of rain overnight. waves 6 to 9 ft occasionally to
12 ft building to 8 to 11 ft occasionally to 14 ft, then subsiding
to 7 to 10 ft occasionally to 13 ft.
.friday...west winds 15 to 25 kt diminishing to 10 to 20 kt late
in the morning, then becoming northwest 10 to 15 kt early in the
afternoon veering to northeast late. waves 5 to 8 ft occasionally
to 10 ft subsiding to 1 to 3 ft.
.friday night...northeast winds 10 to 20 kt becoming east. chance
of rain showers in the evening, then rain showers overnight.
waves 4 to 6 ft occasionally to 8 ft.
.saturday...southeast winds 10 to 20 kt veering to southwest
15 to 25 kt. rain showers in the morning. waves 4 to 7 ft
occasionally to 9 ft.
.saturday night...west winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft.
.sunday...northwest winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft.
.monday...northwest winds 10 to 20 kt becoming north. waves 3 to
5 ft.
$$
(13/18)
Latest Great Lakes Marine Forecast by KMQT
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 4:00 PM America/New_York.
fzus63 kmqt 020801
glfls
expires:202604022000;;693912
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu apr 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...
a 29.4 inch low lifts through the central plains and continues
northeast today, reaching northern lake michigan this evening at
29.5 inches before arriving at the ontario/quebec line at 29.6
inches by friday morning. as this happens, another colorado low
moves into kansas at 29.6 inches by friday. this low moves into
eastern iowa by friday night as sprawling 30.7 inch high pressure
resides over far northern quebec and hudson bay. the low moves
through the upper great lakes at around 29.6 inches late saturday,
with lake superior looking to be between the low at 29.3 inches now
over northern quebec and a 30.3 inch high over the great plains by
sunday. pressure rises on lake superior early next week as the high
builds to 30.6 inches over the red river valley (of the north) on
monday before moving into the western great lakes by tuesday.
lsz264-022000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt thu apr 2 2026
...gale warning in effect from 1 pm edt this afternoon through
late tonight...
.early this morning...east winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet.
.today...east winds 20 to 30 knots increasing to gales to
35 knots late. a chance of snow through early afternoon, then
snow by mid afternoon. waves building to 9 to 12 feet
occasionally to 15 feet.
.tonight...northeast gales to 35 knots becoming north 20 to
30 knots late. snow through midnight. a slight chance of sleet. a
slight chance of snow after midnight. waves building to 10 to
14 feet occasionally to 18 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet.
.friday...north winds 20 to 30 knots becoming northeast 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.friday night...east winds 20 to 30 knots increasing to gales to
35 knots after midnight. a slight chance of snow through
midnight. a slight chance of sleet. snow likely, possibly mixed
with rain and freezing rain after midnight. waves building to
7 to 10 feet occasionally to 13 feet.
.saturday...east gales to 35 knots diminishing to 20 to 30 knots
by mid afternoon. snow. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet.
.saturday night...north winds 20 to 30 knots increasing to gales
to 35 knots after midnight. snow showers likely through midnight.
freezing spray after midnight. waves building to 7 to 10 feet
occasionally to 13 feet.
.sunday...northwest gales to 35 knots becoming north 10 to
20 knots. a chance of snow showers. waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet.
.monday...north winds 15 to 25 knots. a chance of snow showers.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet.
$$
(14/18)
Latest Great Lakes Marine Forecast by KMQT
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 4:00 PM America/New_York.
fzus63 kmqt 020801
glfls
expires:202604022000;;693911
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu apr 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...
a 29.4 inch low lifts through the central plains and continues
northeast today, reaching northern lake michigan this evening at
29.5 inches before arriving at the ontario/quebec line at 29.6
inches by friday morning. as this happens, another colorado low
moves into kansas at 29.6 inches by friday. this low moves into
eastern iowa by friday night as sprawling 30.7 inch high pressure
resides over far northern quebec and hudson bay. the low moves
through the upper great lakes at around 29.6 inches late saturday,
with lake superior looking to be between the low at 29.3 inches now
over northern quebec and a 30.3 inch high over the great plains by
sunday. pressure rises on lake superior early next week as the high
builds to 30.6 inches over the red river valley (of the north) on
monday before moving into the western great lakes by tuesday.
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-
400 am edt thu apr 2 2026
...gale warning in effect from 1 pm edt this afternoon through
late tonight...
.early this morning...east winds 15 to 25 knots. a slight chance
of snow. waves 3 to 6 feet occasionally to 8 feet.
.today...east winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. a chance of snow through early
afternoon, then snow, possibly mixed with sleet by mid afternoon.
waves building to 10 to 14 feet occasionally to 18 feet.
.tonight...northeast gales to 35 knots becoming north 20 to
30 knots late. snow, possibly mixed with sleet through midnight,
then a chance of snow after midnight. waves subsiding to 6 to
9 feet occasionally to 11 feet.
.friday...north winds 15 to 25 knots becoming northeast 10 to
20 knots in the afternoon, then increasing to 15 to 25 knots
late. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.friday night...east winds 20 to 30 knots increasing to gales to
35 knots after midnight. a chance of snow, possibly mixed with
rain through midnight. a chance of sleet. snow, possibly mixed
with rain after midnight. waves building to 8 to 11 feet
occasionally to 14 feet.
.saturday...east gales to 35 knots becoming northeast 20 to
30 knots by mid afternoon. rain through early afternoon. snow.
waves subsiding to 5 to 8 feet occasionally to 10 feet.
.saturday night...north winds 20 to 30 knots backing northwest
after midnight. a chance of snow showers. waves subsiding to 4 to
8 feet occasionally to 10 feet.
.sunday...west winds 15 to 25 knots. waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet.
.monday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet.
$$
(15/18)
Latest Great Lakes Marine Forecast by KMQT
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 4:00 PM America/New_York.
fzus63 kmqt 020801
glfls
expires:202604022000;;693915
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu apr 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...
a 29.4 inch low lifts through the central plains and continues
northeast today, reaching northern lake michigan this evening at
29.5 inches before arriving at the ontario/quebec line at 29.6
inches by friday morning. as this happens, another colorado low
moves into kansas at 29.6 inches by friday. this low moves into
eastern iowa by friday night as sprawling 30.7 inch high pressure
resides over far northern quebec and hudson bay. the low moves
through the upper great lakes at around 29.6 inches late saturday,
with lake superior looking to be between the low at 29.3 inches now
over northern quebec and a 30.3 inch high over the great plains by
sunday. pressure rises on lake superior early next week as the high
builds to 30.6 inches over the red river valley (of the north) on
monday before moving into the western great lakes by tuesday.
lsz267-022000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt thu apr 2 2026
...gale warning in effect from 1 pm edt this afternoon through
late tonight...
.early this morning...east winds 20 to 30 knots. waves 3 to
5 feet occasionally to 7 feet.
.today...east winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. a chance of snow through early
afternoon, then snow and sleet, possibly mixed with rain by mid
afternoon. waves building to 5 to 8 feet occasionally to 10 feet.
.tonight...east gales to 35 knots diminishing to 20 to 30 knots
after midnight, then becoming north 15 to 25 knots late. a slight
chance of sleet through midnight. rain. waves subsiding to 3 to
6 feet occasionally to 8 feet.
.friday...north winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon, then diminishing to 15 to 25 knots late. waves
subsiding to 2 to 4 feet.
.friday night...northeast winds 15 to 25 knots becoming east
20 to 30 knots after midnight. a slight chance of snow through
midnight, then rain, possibly mixed with freezing rain, snow
likely and sleet after midnight. waves building to 4 to 7 feet
occasionally to 9 feet.
.saturday...east gales to 35 knots diminishing to 15 to 25 knots
by mid afternoon. freezing rain through early afternoon. rain.
waves subsiding to 2 to 4 feet.
.saturday night...west winds 15 to 25 knots becoming northwest
gales to 35 knots after midnight. rain showers, possibly mixed
with snow through midnight, then a chance of snow showers,
possibly mixed with rain after midnight. waves building to 8 to
11 feet occasionally to 14 feet.
.sunday...northwest gales to 35 knots diminishing to 10 to
20 knots. waves building to 9 to 12 feet occasionally to 15 feet,
then subsiding to 2 to 4 feet.
.monday...north winds 15 to 25 knots. freezing spray. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet.
$$
(16/18)
Latest Great Lakes Marine Forecast by KMQT
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 4:00 PM America/New_York.
fzus63 kmqt 020801
glfls
expires:202604022000;;693910
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu apr 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...
a 29.4 inch low lifts through the central plains and continues
northeast today, reaching northern lake michigan this evening at
29.5 inches before arriving at the ontario/quebec line at 29.6
inches by friday morning. as this happens, another colorado low
moves into kansas at 29.6 inches by friday. this low moves into
eastern iowa by friday night as sprawling 30.7 inch high pressure
resides over far northern quebec and hudson bay. the low moves
through the upper great lakes at around 29.6 inches late saturday,
with lake superior looking to be between the low at 29.3 inches now
over northern quebec and a 30.3 inch high over the great plains by
sunday. pressure rises on lake superior early next week as the high
builds to 30.6 inches over the red river valley (of the north) on
monday before moving into the western great lakes by tuesday.
lsz162-022000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt thu apr 2 2026 /300 am cdt thu apr 2 2026/
...gale warning in effect from 1 pm edt /noon cdt/ this afternoon
through late tonight...
.early this morning...east winds 15 to 25 knots. a chance of
snow. waves 3 to 6 feet occasionally to 8 feet.
.today...east winds 20 to 30 knots increasing to gales to
35 knots in the afternoon, then becoming northeast gales to
40 knots late. a chance of snow through early afternoon, then
snow, possibly mixed with sleet by mid afternoon. waves building
to 11 to 15 feet occasionally to 19 feet.
.tonight...northeast gales to 40 knots becoming north 15 to
25 knots late. snow, possibly mixed with sleet through midnight,
then a chance of snow after midnight. waves subsiding to 5 to
8 feet occasionally to 10 feet.
.friday...northeast winds 15 to 25 knots becoming east 20 to
30 knots late. a slight chance of snow and sleet by mid
afternoon. waves subsiding to 3 to 6 feet occasionally to 8 feet.
.friday night...east winds 20 to 30 knots increasing to gales to
35 knots after midnight. a chance of snow through midnight. a
chance of sleet, possibly mixed with rain. snow after midnight.
waves building to 9 to 12 feet occasionally to 15 feet.
.saturday...east gales to 35 knots becoming northeast 20 to
30 knots by mid afternoon. snow. waves subsiding to 5 to 8 feet
occasionally to 10 feet.
.saturday night...northwest winds 15 to 25 knots. a chance of
snow showers through midnight. waves subsiding to 2 to 4 feet.
.sunday...west winds 10 to 20 knots veering northwest. a chance
of snow showers, possibly mixed with rain. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet.
.monday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet.
$$
(17/18)
Latest Great Lakes Marine Forecast by KMQT
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 4:00 PM America/New_York.
fzus63 kmqt 020801
glfls
expires:202604022000;;693914
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu apr 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...
a 29.4 inch low lifts through the central plains and continues
northeast today, reaching northern lake michigan this evening at
29.5 inches before arriving at the ontario/quebec line at 29.6
inches by friday morning. as this happens, another colorado low
moves into kansas at 29.6 inches by friday. this low moves into
eastern iowa by friday night as sprawling 30.7 inch high pressure
resides over far northern quebec and hudson bay. the low moves
through the upper great lakes at around 29.6 inches late saturday,
with lake superior looking to be between the low at 29.3 inches now
over northern quebec and a 30.3 inch high over the great plains by
sunday. pressure rises on lake superior early next week as the high
builds to 30.6 inches over the red river valley (of the north) on
monday before moving into the western great lakes by tuesday.
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-
400 am edt thu apr 2 2026
...gale warning in effect from 1 pm edt this afternoon through
late tonight...
.early this morning...east winds 20 to 30 knots. a slight chance
of snow. waves 3 to 6 feet occasionally to 8 feet.
.today...east winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. a chance of snow through early
afternoon, then snow, possibly mixed with sleet, rain and
freezing rain by mid afternoon. waves building to 10 to 14 feet
occasionally to 18 feet.
.tonight...east gales to 35 knots backing northeast after
midnight, then becoming north 20 to 30 knots late. snow likely
through midnight. a chance of rain, possibly mixed with freezing
rain and sleet. a slight chance of snow after midnight. waves
subsiding to 9 to 12 feet occasionally to 15 feet, then building
to 10 to 14 feet occasionally to 18 feet.
.friday...north winds 20 to 30 knots becoming northeast 15 to
25 knots late. waves subsiding to 3 to 5 feet occasionally to
7 feet.
.friday night...east winds 20 to 30 knots. a slight chance of
rain and snow through midnight, then snow, possibly mixed with
rain, freezing rain likely and sleet after midnight. waves
building to 7 to 10 feet occasionally to 13 feet.
.saturday...east winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. freezing rain through early afternoon.
snow with rain. waves building to 8 to 11 feet occasionally to
14 feet, then subsiding to 4 to 7 feet occasionally to 9 feet.
.saturday night...northwest winds 20 to 30 knots increasing to
gales to 40 knots after midnight. snow showers, possibly mixed
with rain through midnight, then a chance of snow showers after
midnight. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 9 to 12 feet occasionally to 15 feet.
.sunday...northwest gales to 35 knots diminishing to 15 to
25 knots. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 2 to 4 feet.
.monday...north winds 20 to 30 knots. a chance of snow showers.
freezing spray. waves building to 4 to 8 feet occasionally to
10 feet.
$$
(18/18)
Latest Great Lakes Marine Forecast by KMQT
Issued 4/2/2026 4:01 AM America/New_York.
Valid through 4/2/2026 4:00 PM America/New_York.
fzus63 kmqt 020801
glfls
expires:202604022000;;693913
open lake forecast for lake superior
national weather service marquette mi
400 am edt thu apr 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...
a 29.4 inch low lifts through the central plains and continues
northeast today, reaching northern lake michigan this evening at
29.5 inches before arriving at the ontario/quebec line at 29.6
inches by friday morning. as this happens, another colorado low
moves into kansas at 29.6 inches by friday. this low moves into
eastern iowa by friday night as sprawling 30.7 inch high pressure
resides over far northern quebec and hudson bay. the low moves
through the upper great lakes at around 29.6 inches late saturday,
with lake superior looking to be between the low at 29.3 inches now
over northern quebec and a 30.3 inch high over the great plains by
sunday. pressure rises on lake superior early next week as the high
builds to 30.6 inches over the red river valley (of the north) on
monday before moving into the western great lakes by tuesday.
lsz265-022000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt thu apr 2 2026
...gale warning in effect from 1 pm edt this afternoon through
late tonight...
.early this morning...east winds 20 to 30 knots. a slight chance
of snow. waves 3 to 6 feet occasionally to 8 feet.
.today...east winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. a chance of snow through early
afternoon, then snow, possibly mixed with sleet by mid afternoon.
waves building to 10 to 14 feet occasionally to 18 feet.
.tonight...east gales to 35 knots becoming northeast 20 to
30 knots after midnight, then backing north late. rain and sleet
likely, possibly mixed with snow through midnight, then a chance
of rain, sleet and snow after midnight. waves subsiding to 6 to
9 feet occasionally to 11 feet.
.friday...north winds 20 to 30 knots becoming northeast 15 to
25 knots late. waves subsiding to 3 to 5 feet occasionally to
7 feet.
.friday night...east winds 15 to 25 knots increasing to gales to
35 knots after midnight. a chance of snow, possibly mixed with
rain through midnight, then snow, possibly mixed with rain,
freezing rain and sleet after midnight. waves subsiding to 2 to
4 feet, then building to 7 to 10 feet occasionally to 13 feet.
.saturday...east winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. snow, possibly mixed with rain. waves
building to 8 to 11 feet occasionally to 14 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet.
.saturday night...northwest winds 20 to 30 knots increasing to
gales to 40 knots after midnight. snow showers likely through
midnight, then a chance of snow showers after midnight. freezing
spray after midnight. waves building to 7 to 10 feet occasionally
to 13 feet.
.sunday...northwest gales to 35 knots becoming west 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet.
.monday...north winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. freezing spray. waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet.
$$
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