fzus61 kbuf 030810
glflo 
expires:202604031500;;752057

open lake forecast for lake ontario
national weather service buffalo ny
410 am edt fri apr 3 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 29.6 inch low will move across the upper great lakes 
tonight to southern quebec today, pushing a weak cold front across 
the lake this afternoon. a 29.4 inch surface low will track through 
the central great lakes saturday, then into quebec saturday night 
and sunday, while dragging a strong cold front across the lake 
saturday night, with a secondary cold front then following sunday 
night and monday. a 30.5 inch high will then build across the great 
lakes tuesday and tuesday night, before sliding east and off the new 
england coast wednesday.


loz062-031500-
lake ontario open waters from the niagara river to hamlin beach-
410 am edt fri apr 3 2026

.today...south winds 15 to 25 knots becoming west. a chance of
showers early. waves 3 to 6 feet. 
.tonight...west winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...east winds 10 to 15 knots increasing to 15 to
20 knots. rain showers likely in the morning, then rain showers
in the afternoon. waves 1 to 2 feet building to 3 to 5 feet. 
.saturday night...east winds 10 to 15 knots becoming southwest
15 to 20 knots. showers. waves 2 to 4 feet building to 3 to
5 feet. 
.sunday...west winds 15 to 25 knots. rain showers during the day.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.monday...west winds 15 to 20 knots becoming northwest. a chance
of rain and snow showers monday night. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.tuesday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow showers during the day. waves 3 to
5 feet subsiding to 1 to 3 feet. 

$$

fzus61 kbuf 030810
glflo 
expires:202604031500;;752058

open lake forecast for lake ontario
national weather service buffalo ny
410 am edt fri apr 3 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 29.6 inch low will move across the upper great lakes 
tonight to southern quebec today, pushing a weak cold front across 
the lake this afternoon. a 29.4 inch surface low will track through 
the central great lakes saturday, then into quebec saturday night 
and sunday, while dragging a strong cold front across the lake 
saturday night, with a secondary cold front then following sunday 
night and monday. a 30.5 inch high will then build across the great 
lakes tuesday and tuesday night, before sliding east and off the new 
england coast wednesday.


loz063>065-031500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
410 am edt fri apr 3 2026

.today...south winds to 30 knots becoming southwest 15 to
25 knots. showers likely with a chance of thunderstorms early,
then showers likely late this morning. a chance of showers early
this afternoon. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 
.tonight...west winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots becoming east 15 to
20 knots. a chance of rain showers in the morning, then rain
showers likely in the afternoon. waves 1 to 3 feet. 
.saturday night...southeast winds 15 to 20 knots becoming
southwest and increasing to 30 knots. showers. waves 1 to 3 feet
building to 3 to 6 feet. 
.sunday...west winds 20 to 25 knots. rain showers during the day.
waves 5 to 8 feet building to 6 to 9 feet. waves occasionally
around 11 feet. 
.monday...west winds 15 to 25 knots becoming northwest 15 to
20 knots. a chance of snow showers monday night. waves 5 to
8 feet subsiding to 2 to 4 feet. waves occasionally around
10 feet. 
.tuesday...north winds 15 to 20 knots becoming northwest. a
chance of snow showers during the day. waves 3 to 5 feet
subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 030800
glfle 
expires:202604031415;;750986

open lake forecast for lake erie
national weather service cleveland oh
400 am edt fri apr 3 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 settle back south of lake erie as a stationary 
front this evening. 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. this low will extend a cold front 
east across lake erie saturday night, followed by weak high 
pressure 30.20 inches on monday. another trough with pressure of
30.00 will cross lake ere on tuesday. 


lez061-168-169-031415-
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-
400 am edt fri apr 3 2026

.today...south winds 15 to 20 knots becoming west 10 to 15 knots.
a chance of showers with a slight chance of thunderstorms early.
a slight chance of showers early this afternoon. waves 2 to
4 feet. 
.tonight...west winds 5 to 15 knots becoming northeast. a chance
of rain showers with a slight chance of thunderstorms late. waves
2 to 4 feet subsiding to 1 to 2 feet. 
.saturday...northeast winds 5 to 15 knots becoming southeast.
rain showers. waves 2 feet or less. 
.saturday night...southwest winds 10 to 15 knots becoming west
15 to 20 knots. rain showers with a chance of thunderstorms in
the evening, then rain showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...west winds 5 to 10 knots becoming northwest and
increasing to 15 to 20 knots. a chance of rain showers during the
day, then a chance of snow and rain showers monday night. waves
1 to 3 feet. 
.tuesday...northwest winds 15 to 20 knots becoming northeast and
diminishing to less than 10 knots. waves 2 to 4 feet subsiding to
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 030800
glfle 
expires:202604031415;;750984

open lake forecast for lake erie
national weather service cleveland oh
400 am edt fri apr 3 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 settle back south of lake erie as a stationary 
front this evening. 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. this low will extend a cold front 
east across lake erie saturday night, followed by weak high 
pressure 30.20 inches on monday. another trough with pressure of
30.00 will cross lake ere on tuesday. 


lez162>164-031415-
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-
400 am edt fri apr 3 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers early. a slight chance of showers
this afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots becoming east. a slight
chance of showers and thunderstorms then showers with a chance of
thunderstorms after midnight. waves 1 to 3 feet.
.saturday...east winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet. 
.saturday night...southwest winds 15 to 20 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers likely overnight. waves 1 to 3 feet building to 2 to
4 feet. 
.sunday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...west winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of rain showers during the day. waves 1 to
3 feet building to 2 to 4 feet. 
.tuesday...northwest winds 15 to 20 knots becoming southeast 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 030800
glfle 
expires:202604031415;;750985

open lake forecast for lake erie
national weather service cleveland oh
400 am edt fri apr 3 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 settle back south of lake erie as a stationary 
front this evening. 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. this low will extend a cold front 
east across lake erie saturday night, followed by weak high 
pressure 30.20 inches on monday. another trough with pressure of
30.00 will cross lake ere on tuesday. 


lez165>167-031415-
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-
400 am edt fri apr 3 2026

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers with a slight chance of
thunderstorms early. a slight chance of showers early this
afternoon. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming east. a slight
chance of rain showers and thunderstorms through midnight, then 
rain showers likely with a chance of thunderstorms late. waves 1 
to 3 feet. 
.saturday...east winds 10 to 15 knots becoming south 15 to
20 knots. rain showers likely with a chance of thunderstorms in
the morning, then rain showers in the afternoon. waves 1 to
3 feet. 
.saturday night...southwest winds 15 to 20 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...west winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then a chance of rain and snow showers monday night. waves
1 to 3 feet building to 3 to 5 feet. 
.tuesday...northwest winds 15 to 25 knots becoming southeast and
diminishing to 5 to 15 knots. waves 3 to 6 feet subsiding to 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 030736
glfsc 
expires:202604031545;;750176

lake st clair forecast
national weather service detroit/pontiac mi
336 am edt fri apr 3 2026

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a low pressure system crossing northern lake huron
will drag a cold front across the central great lakes today.
drier conditions are expected through the daylight hours before
unsettled weather returns friday night. the next warm front
slowly lifts into the southern waterways aloft, well ahead of the
surface boundary, triggering some nocturnal showers and perhaps a
few thunderstorms. the associated trailing surface low should
reach southern lake michigan by saturday morning as the elevated
warm front continues to track northward across lake huron. some
strong to marginally severe thunderstorms should affect the
waterways late tonight and saturday morning, before one final
round develops saturday evening with the passage of its cold
front.


lcz460-031545-
lake st clair-
336 am edt fri apr 3 2026

.today...southwest winds 20 to 25 knots diminishing to 15 to 20
knots in the late morning and early afternoon...then becoming west
10 to 15 knots late in the afternoon. partly sunny. waves 1 to 3
feet.
.tonight...north winds 5 to 10 knots becoming northeast 10 to 15
knots after midnight. partly cloudy in the evening...then mostly
cloudy with a chance of light rain and thunderstorms after midnight.
mostly cloudy with light rain likely and a chance of thunderstorms
early in the morning. waves 2 feet or less.
.saturday...southeast winds 10 to 15 knots becoming south 15 to 20
knots in the late morning and afternoon. a chance of thunderstorms
early in the morning. light rain likely until late afternoon...then
rain and a chance of thunderstorms early in the afternoon. waves 1
to 3 feet.
.saturday night...west winds 15 to 20 knots. rain and a chance of
thunderstorms early in the evening...then a chance of light rain by
midnight. waves 1 to 3 feet.
.sunday...west winds 15 to 20 knots. mostly cloudy. waves 1 to 3
feet.
.monday...northwest winds 15 to 20 knots. partly cloudy. a chance of
light rain and snow. waves 2 feet or less.
.tuesday...east winds 20 to 25 knots. partly cloudy. waves 2 feet or
less.

$$

fzus63 kdtx 030735
glflh 
expires:202604031545;;750147

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 am edt fri apr 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 low pressure system crossing northern lake huron
will drag a cold front across the central great lakes today.
drier conditions are expected through the daylight hours before
unsettled weather returns friday night. the next warm front
slowly lifts into the southern waterways aloft, well ahead of the
surface boundary, triggering some nocturnal showers and perhaps a
few thunderstorms. the associated trailing surface low should
reach southern lake michigan by saturday morning as the elevated
warm front continues to track northward across lake huron. some
strong to marginally severe thunderstorms should affect the
waterways late tonight and saturday morning, before one final
round develops saturday evening with the passage of its cold
front.


lhz462>464-031545-
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-
335 am edt fri apr 3 2026

.today...southwest winds 15 to 20 knots veering to the west early
in the afternoon...then decreasing to 10 to 15 knots late in the
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 
.tonight...northwest winds 10 to 15 knots veering to the
northeast early in the morning. a chance of rain after midnight.
waves 1 to 3 feet building to 2 to 4 feet early in the morning. 
.saturday...east winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then veering
to the south early in the afternoon. rain. waves 3 to 5 feet. 
.saturday night...south winds 15 to 20 knots veering to the
southwest in the late evening and overnight. rain in the evening.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots late in the evening. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...west winds 10 to 15 knots becoming northwest 5 to
10 knots until early evening...then increasing to 20 to 25 knots
by midnight. a chance of snow and rain early in the evening. a
chance of snow by midnight. waves 3 to 5 feet subsiding to 1 to
3 feet early in the evening...then building to 6 to 9 feet by
midnight. waves occasionally around 12 feet. 
.tuesday...northwest winds to 30 knots becoming north 15 to
20 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the evening veering to the
southeast by midnight. a chance of snow early in the morning.
waves 8 to 12 feet subsiding to 2 to 4 feet by midnight. waves
occasionally around 15 feet. 


$$

fzus63 kdtx 030735
glflh 
expires:202604031545;;750145

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 am edt fri apr 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 low pressure system crossing northern lake huron
will drag a cold front across the central great lakes today.
drier conditions are expected through the daylight hours before
unsettled weather returns friday night. the next warm front
slowly lifts into the southern waterways aloft, well ahead of the
surface boundary, triggering some nocturnal showers and perhaps a
few thunderstorms. the associated trailing surface low should
reach southern lake michigan by saturday morning as the elevated
warm front continues to track northward across lake huron. some
strong to marginally severe thunderstorms should affect the
waterways late tonight and saturday morning, before one final
round develops saturday evening with the passage of its cold
front.


lhz361-031545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
335 am edt fri apr 3 2026

.today...southwest winds 15 to 20 knots becoming west 20 to
25 knots late in the morning...then decreasing to 15 to 20 knots
in the afternoon. waves 5 to 7 feet. waves occasionally around
10 feet. 
.tonight...northwest winds 10 to 15 knots becoming east 15 to
20 knots after midnight...then increasing to 20 to 25 knots early
in the morning. a chance of rain after midnight. waves 3 to
5 feet subsiding to 1 to 3 feet late in the evening...then
building to 2 to 4 feet after midnight building to 4 to 6 feet
early in the morning. waves occasionally around 8 feet. 
.saturday...east winds to 30 knots decreasing to 15 to 20 knots
early in the afternoon. rain. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.saturday night...southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots by midnight...then becoming west 20 to
25 knots with gusts to around 30 knots after midnight. waves 5 to
7 feet. waves occasionally around 10 feet. 
.sunday...west winds to 30 knots decreasing to 10 to 15 knots.
waves 8 to 12 feet subsiding to 4 to 6 feet late in the evening.
waves occasionally around 15 feet. 
.monday...west winds 5 to 10 knots becoming northwest 10 to
15 knots early in the evening...then becoming north 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 2 to 4 feet early in the evening
building to 6 to 9 feet by midnight. waves occasionally around
12 feet. 
.tuesday...north winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then backing
to the west . waves 5 to 7 feet subsiding to 1 to 3 feet . waves
occasionally around 10 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 030735
glflh 
expires:202604031545;;750146

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 am edt fri apr 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 low pressure system crossing northern lake huron
will drag a cold front across the central great lakes today.
drier conditions are expected through the daylight hours before
unsettled weather returns friday night. the next warm front
slowly lifts into the southern waterways aloft, well ahead of the
surface boundary, triggering some nocturnal showers and perhaps a
few thunderstorms. the associated trailing surface low should
reach southern lake michigan by saturday morning as the elevated
warm front continues to track northward across lake huron. some
strong to marginally severe thunderstorms should affect the
waterways late tonight and saturday morning, before one final
round develops saturday evening with the passage of its cold
front.


lhz362-363-031545-
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-
335 am edt fri apr 3 2026

.today...south winds 20 to 25 knots with gusts to around 30 knots
becoming southwest 15 to 20 knots in the late morning and early
afternoon...then becoming west 10 to 15 knots late in the
afternoon. waves 6 to 9 feet. waves occasionally around 12 feet. 
.tonight...northwest winds 10 to 15 knots veering to the north by
midnight...then becoming east 15 to 20 knots early in the
morning. waves 4 to 6 feet subsiding to 3 to 5 feet after
midnight. waves occasionally around 8 feet. 
.saturday...east winds 15 to 20 knots. gusts to 30 knots in the
late morning and early afternoon. rain. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.saturday night...southeast winds 15 to 20 knots veering to the
southwest in the late evening and overnight. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.sunday...west winds 20 to 25 knots with gusts to around 30 knots
becoming northwest 15 to 20 knots late in the evening. waves 8 to
12 feet. waves occasionally around 15 feet. 
.monday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then increasing to
10 to 15 knots early in the evening becoming northwest 20 to
25 knots with gusts to around 30 knots by midnight. a chance of
snow . waves 3 to 5 feet building to 8 to 12 feet by midnight.
waves occasionally around 15 feet. 
.tuesday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
early afternoon...then decreasing to 10 to 15 knots early in the
evening backing to the west by midnight. waves 8 to 12 feet
subsiding to 2 to 4 feet. waves occasionally around 15 feet. 


$$

fzus63 kmkx 030804
glflm 
expires:202604031530;;751172

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt fri apr 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...

westerly winds will diminish through late morning as a weak 
surface ridge passes over the lake. winds will then become 
northeasterly by this evening as a weaker low pressure around 
29.8 inches occludes and crosses central lake michigan through 
early saturday. a few easterly gale force gusts are possible over
the northern end of the lake saturday morning. winds then veer 
southwesterly saturday afternoon behind the surface low.

westerly winds will persist through the weekend. a weak low
pressure trough around 30.0 inches crossing lake superior and
northern lake michigan will drag a cold front down the lake 
monday afternoon. a brief period of brisk northerly winds is 
expected.


lmz080-669-671-673-675-777-779-870-872-874-876-878-031530-
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-
304 am cdt fri apr 3 2026

sheboygan wi to pentwater mi south...

.today...west winds 10 to 20 kt veering to northeast 10 to 15 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 1 to 3 ft. 
.tonight...northeast winds 10 to 20 kt veering to southeast 15 to
25 kt. chance of rain showers and thunderstorms in the evening,
then rain showers likely with a chance of thunderstorms
overnight. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.saturday...southeast winds 15 to 25 kt veering to west. chance
of rain showers and thunderstorms in the morning, then chance of
rain showers in the afternoon. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.saturday night...west winds 15 to 25 kt increasing to 30 kt.
waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft
occasionally to 12 ft. 
.sunday...northwest winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft. 
.sunday night...west winds 10 to 15 kt increasing to 10 to 20 kt.
waves 3 to 5 ft subsiding to 1 to 3 ft. 
.monday...northwest winds 10 to 20 kt. waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft. 
.tuesday...north winds 15 to 25 kt diminishing to 10 to 15 kt.
waves 8 to 12 ft occasionally to 16 ft subsiding to 5 to 8 ft
occasionally to 10 ft.  

$$

fzus63 kmkx 030804
glflm 
expires:202604031530;;751171

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt fri apr 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...

westerly winds will diminish through late morning as a weak 
surface ridge passes over the lake. winds will then become 
northeasterly by this evening as a weaker low pressure around 
29.8 inches occludes and crosses central lake michigan through 
early saturday. a few easterly gale force gusts are possible over
the northern end of the lake saturday morning. winds then veer 
southwesterly saturday afternoon behind the surface low.

westerly winds will persist through the weekend. a weak low
pressure trough around 30.0 inches crossing lake superior and
northern lake michigan will drag a cold front down the lake 
monday afternoon. a brief period of brisk northerly winds is 
expected.


lmz261-362-364-366-563-565-567-868-031530-
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-
304 am cdt fri apr 3 2026

sheboygan wi to pentwater mi north...

.today...west winds to 30 kt diminishing to 15 to 25 kt late this
morning, then becoming northwest 10 to 20 kt early this afternoon
and becoming north late. waves 4 to 7 ft occasionally to 9 ft
subsiding to 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt becoming east to 30 kt
overnight. chance of rain showers and light freezing rain in the
evening, then rain showers, freezing rain likely with slight
chance of thunderstorms overnight. waves 2 to 4 ft building to
5 to 8 ft occasionally to 10 ft. 
.saturday...east winds to 30 kt with a few gale force gusts up to
35 kt becoming southeast late in the morning, then becoming south
to 30 kt early in the afternoon and southwest 15 to 25 kt late. 
rain showers with freezing rain likely in the morning, then chance
of rain showers in the afternoon. waves 6 to 9 ft occasionally to
12 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.saturday night...west winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft. 
.sunday...northwest winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.sunday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.monday...west winds 10 to 20 kt becoming northwest. waves 1 to
3 ft building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...north winds 15 to 25 kt becoming west 10 to 15 kt.
waves 7 to 10 ft occasionally to 13 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmqt 030801
glfls 
expires:202604032000;;751016

open lake forecast for lake superior
national weather service marquette mi
400 am edt fri apr 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...

29.5 inch low pressure currently over souther wi moves over far 
northern lake michigan late tonight 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.



lsz162-032000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt fri apr 3 2026 /300 am cdt fri apr 3 2026/

.early this morning...north winds 15 to 25 knots. patchy fog. a
chance of snow. waves 7 to 10 feet occasionally to 13 feet
subsiding to 5 to 8 feet occasionally to 10 feet. 
.today...north winds 10 to 20 knots becoming northeast 15 to
25 knots in the afternoon, then veering east late. a chance of
snow. a chance of sleet by mid afternoon. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.tonight...east winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 40 knots possible after midnight. a
chance of snow, possibly mixed with sleet through midnight. a
chance of rain. snow, possibly mixed with sleet after midnight.
waves building to 9 to 12 feet occasionally to 15 feet. 
.saturday...east winds to 30 knots with a few gale force gusts to
40 knots possible becoming northeast to 30 knots with a few gale
force gusts to 35 knots possible in the afternoon, then
diminishing to 20 to 30 knots late. rain through early afternoon.
snow, possibly mixed with sleet. a slight chance of rain by mid
afternoon. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 6 to 9 feet occasionally to 11 feet. 
.saturday night...northwest winds 15 to 25 knots. a chance of
snow showers through midnight. waves subsiding to 2 to 4 feet. 
.sunday...northwest winds 10 to 20 knots backing west by mid
afternoon. waves subsiding to calm to 2 feet. 
.sunday night...west winds 10 to 20 knots becoming northwest
15 to 25 knots after midnight. a chance of rain showers. a chance
of snow showers after midnight. waves building to 1 to 3 feet. 
.monday...north winds 15 to 25 knots becoming northwest 10 to
20 knots. a chance of snow showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south 20 to
30 knots. a chance of rain and snow showers. waves building to
3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 030801
glfls 
expires:202604032000;;751017

open lake forecast for lake superior
national weather service marquette mi
400 am edt fri apr 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...

29.5 inch low pressure currently over souther wi moves over far 
northern lake michigan late tonight 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.



lsz263-032000-
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 fri apr 3 2026

.early this morning...north winds 20 to 30 knots. patchy fog. a
chance of snow. waves 6 to 10 feet occasionally to 13 feet. 
.today...north winds 15 to 25 knots veering northeast in the
afternoon. a chance of snow through early afternoon. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...east winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible after midnight. a
chance of rain, snow and sleet through midnight, then sleet,
possibly mixed with snow and rain likely after midnight. waves
building to 8 to 11 feet occasionally to 14 feet. 
.saturday...east winds to 30 knots with a few gale force gusts to
35 knots possible becoming northeast 20 to 30 knots late. sleet
through early afternoon. snow, possibly mixed with rain. a slight
chance of sleet by mid afternoon. waves building to 9 to 12 feet
occasionally to 15 feet, then subsiding to 7 to 10 feet
occasionally to 13 feet. 
.saturday night...northwest winds 20 to 30 knots. a chance of
snow showers. waves subsiding to 5 to 8 feet occasionally to
10 feet. 
.sunday...northwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming northwest 10 to
20 knots after midnight. a chance of rain showers. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.monday...north winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 1 to 3 feet. 
.tuesday...west winds 10 to 20 knots becoming south 20 to
30 knots. a chance of rain and snow showers. waves building to
5 to 8 feet occasionally to 10 feet. 

$$

fzus63 kmqt 030801
glfls 
expires:202604032000;;751018

open lake forecast for lake superior
national weather service marquette mi
400 am edt fri apr 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...

29.5 inch low pressure currently over souther wi moves over far 
northern lake michigan late tonight 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.



lsz264-032000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt fri apr 3 2026

.early this morning...north winds 20 to 30 knots. patchy fog.
snow likely. waves 6 to 10 feet occasionally to 13 feet. 
.today...north winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon, then becoming northeast 10 to 20 knots late. a
chance of snow through early afternoon. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tonight...northeast winds 15 to 25 knots becoming east 20 to
30 knots after midnight, then increasing to 30 knots with a few
gale force gusts to 35 knots possible late. a chance of snow,
possibly mixed with sleet after midnight. waves building to 7 to
10 feet occasionally to 13 feet. 
.saturday...east winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots late. sleet,
possibly mixed with rain through early afternoon. snow. rain,
possibly mixed with sleet by mid afternoon. waves building to
7 to 11 feet occasionally to 14 feet. 
.saturday night...north winds 20 to 30 knots becoming northwest
gales to 40 knots after midnight. snow showers likely through
midnight, then a chance of snow showers after midnight. waves
subsiding to 5 to 8 feet occasionally to 10 feet, then building
to 7 to 10 feet occasionally to 13 feet. 
.sunday...northwest gales to 40 knots becoming west 15 to
25 knots by mid afternoon. waves subsiding to 2 to 4 feet. 
.sunday night...west winds 5 to 15 knots becoming north 10 to
20 knots after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.monday...north winds 20 to 30 knots. a chance of snow showers.
freezing spray. waves building to 5 to 8 feet occasionally to
10 feet, then subsiding to 2 to 4 feet. 
.tuesday...west winds 10 to 20 knots becoming south gales to
35 knots. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 6 to 9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 030801
glfls 
expires:202604032000;;751019

open lake forecast for lake superior
national weather service marquette mi
400 am edt fri apr 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...

29.5 inch low pressure currently over souther wi moves over far 
northern lake michigan late tonight 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.



lsz265-032000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt fri apr 3 2026

.early this morning...north winds 20 to 30 knots. patchy fog. a
chance of snow, freezing drizzle and a slight chance of drizzle.
waves 4 to 8 feet occasionally to 10 feet. 
.today...north winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon, then veering northeast late. patchy fog through
early afternoon. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.tonight...northeast winds 15 to 25 knots becoming east to
30 knots with a few gale force gusts to 35 knots possible after
midnight. a slight chance of sleet through midnight. a slight
chance of rain. sleet, possibly mixed with snow after midnight.
waves building to 7 to 10 feet occasionally to 13 feet. 
.saturday...east winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 15 to 25 knots late. sleet,
possibly mixed with freezing rain and snow through early
afternoon. rain likely. snow likely, possibly mixed with sleet by
mid afternoon. 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 gales to 40 knots. a chance of rain
showers through midnight. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
8 to 11 feet occasionally to 14 feet. 
.sunday...northwest gales to 40 knots diminishing to 20 to
30 knots by mid afternoon. waves subsiding to 2 to 4 feet. 
.sunday night...west winds 10 to 20 knots veering northwest after
midnight. waves subsiding to calm to 2 feet. 
.monday...north gales to 35 knots diminishing to 20 to 30 knots.
snow showers likely. freezing spray. waves building to 8 to
11 feet occasionally to 14 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tuesday...west winds 15 to 25 knots becoming south gales to
35 knots. a chance of rain and snow showers. waves subsiding to
calm to 2 feet, then building to 5 to 8 feet occasionally to
10 feet. 

$$

fzus63 kmqt 030801
glfls 
expires:202604032000;;751020

open lake forecast for lake superior
national weather service marquette mi
400 am edt fri apr 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...

29.5 inch low pressure currently over souther wi moves over far 
northern lake michigan late tonight 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.



lsz266-032000-
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 fri apr 3 2026

.early this morning...north winds 20 to 30 knots. patchy fog. a
chance of snow, freezing drizzle, rain, drizzle and sleet. waves
5 to 9 feet occasionally to 11 feet. 
.today...north winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 15 to 25 knots. patchy fog
through early afternoon. a chance of snow through early
afternoon. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.tonight...northeast winds 15 to 25 knots becoming east 20 to
30 knots after midnight, then increasing to 30 knots with a few
gale force gusts to 35 knots possible late. a slight chance of
rain and sleet through midnight, then sleet, possibly mixed with
rain with snow after midnight. waves building to 6 to 9 feet
occasionally to 11 feet. 
.saturday...east winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 15 to 25 knots late. sleet,
possibly mixed with snow and freezing rain through early
afternoon. rain likely. a slight chance of snow and sleet by mid
afternoon. waves building to 8 to 11 feet occasionally to
14 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. 
.saturday night...northwest gales to 40 knots. a chance of rain
showers through midnight. a chance of snow showers. waves
subsiding to 4 to 7 feet occasionally to 9 feet, then building to
10 to 14 feet occasionally to 18 feet. 
.sunday...northwest gales to 40 knots. waves subsiding to 6 to
9 feet occasionally to 11 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...north gales to 35 knots diminishing to 20 to 30 knots.
freezing spray. a chance of snow showers. waves building to 9 to
12 feet occasionally to 15 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.tuesday...west winds 10 to 20 knots becoming south gales to
35 knots. a chance of snow showers, possibly mixed with rain.
waves subsiding to 1 to 3 feet, then building to 7 to 10 feet
occasionally to 13 feet. 

$$

fzus63 kmqt 030801
glfls 
expires:202604032000;;751021

open lake forecast for lake superior
national weather service marquette mi
400 am edt fri apr 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...

29.5 inch low pressure currently over souther wi moves over far 
northern lake michigan late tonight 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.



lsz267-032000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt fri apr 3 2026

.early this morning...north winds 15 to 25 knots. patchy fog. a
slight chance of rain. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 4 feet. 
.today...north winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. patchy fog through early afternoon. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.tonight...northeast winds 15 to 25 knots becoming east 20 to
30 knots after midnight, then increasing to 30 knots with a few
gale force gusts to 35 knots possible late. sleet likely with
pockets of freezing rain, rain and snow after midnight. waves
subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.saturday...east winds to 30 knots with a few gale force gusts to
35 knots possible veering southeast in the afternoon, then
diminishing to 20 to 30 knots late. sleet, possibly mixed with
freezing rain through early afternoon. rain. a slight chance of
snow and sleet by mid afternoon. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...west winds 20 to 30 knots becoming northwest
gales to 40 knots after midnight. a chance of rain showers
through midnight. a chance of snow showers. waves subsiding to
2 to 4 feet, then building to 10 to 14 feet occasionally to
18 feet. 
.sunday...northwest gales to 40 knots. waves subsiding to 7 to
10 feet occasionally to 13 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...north winds 20 to 30 knots. a chance of snow showers.
freezing spray. waves building to 7 to 10 feet occasionally to
13 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 10 to 20 knots becoming south gales to
35 knots. waves subsiding to 1 to 3 feet, then building to 5 to
8 feet occasionally to 10 feet. 

$$