fzus61 kbuf 141411
glflo 
expires:202604142100;;354364

open lake forecast for lake ontario
national weather service buffalo ny
1011 am edt tue apr 14 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 near lake huron will move to the the 
saint lawrence valley by this evening while weakening. another 29.6 
inch low will move into the central great lakes wednesday night 
before reaching southern quebec thursday night, then drifting off 
the new england coast by friday night. a 30.0 inch high is then 
forecast to build from the central great lakes friday to the lower 
great lakes saturday morning, then off the east coast saturday night.


loz062-142100-
lake ontario open waters from the niagara river to hamlin beach-
1011 am edt tue apr 14 2026

.rest of today...south winds 15 to 20 knots becoming southwest.
areas of fog. showers with a chance of thunderstorms late this
morning, then a chance of showers and thunderstorms this
afternoon. waves 1 to 2 feet building to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming east. showers with a
chance of thunderstorms late. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.wednesday...southeast winds 10 to 15 knots becoming southwest.
showers with a chance of thunderstorms in the morning, then
showers likely in the afternoon. waves 1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. showers with a
chance of thunderstorms. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots becoming west.
showers. waves 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming east. a chance
of showers during the day. waves 2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of showers during the day,
then showers likely saturday night. waves 1 to 3 feet building to
3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 141411
glflo 
expires:202604142100;;354365

open lake forecast for lake ontario
national weather service buffalo ny
1011 am edt tue apr 14 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 near lake huron will move to the the 
saint lawrence valley by this evening while weakening. another 29.6 
inch low will move into the central great lakes wednesday night 
before reaching southern quebec thursday night, then drifting off 
the new england coast by friday night. a 30.0 inch high is then 
forecast to build from the central great lakes friday to the lower 
great lakes saturday morning, then off the east coast saturday night.


loz063>065-142100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1011 am edt tue apr 14 2026

.rest of today...southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots. areas of fog. showers with a chance of
thunderstorms. waves 2 feet or less building to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming east. a chance of
showers and thunderstorms late. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.wednesday...southeast winds 5 to 10 knots becoming west. showers
with a chance of thunderstorms. waves 2 feet or less. 
.wednesday night...southwest winds 5 to 10 knots. showers likely
with a chance of thunderstorms. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. showers
likely during the day, then a chance of showers thursday night.
waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming east. a chance
of showers. waves 2 feet or less. 
.saturday...southeast winds 10 to 15 knots becoming southwest and
increasing to 30 knots. a chance of showers during the day, then
showers likely saturday night. waves 1 to 3 feet building to 4 to
7 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 141338
glfle 
expires:202604142015;;353068

open lake forecast for lake erie
national weather service cleveland oh
938 am edt tue apr 14 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 stalled front will remain draped across the lower great lakes
region through midweek bringing periods of unsettled weather.
several areas of low pressure will track along this boundary
including low pressure 29.60 inches on thursday. a ridge averaging
30.00 inches will briefly build over the region on friday before
another area of low pressure 29.50 inches tracks across the great
lakes on saturday.


lez061-166>169-142015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
938 am edt tue apr 14 2026

.rest of today...southwest winds 15 to 20 knots. a chance of
showers and thunderstorms late this morning, then a chance of
thunderstorms with a slight chance of showers early this
afternoon. a slight chance of showers and thunderstorms late.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tonight...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms through the early overnight, then showers
likely with a chance of thunderstorms late. waves 2 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. showers likely with
a chance of thunderstorms in the morning, then showers in the
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots. showers with a
chance of thunderstorms. waves 1 to 2 feet. 
.thursday...southwest winds 5 to 15 knots. showers likely during
the day, then showers likely with a chance of thunderstorms
thursday night. waves 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming southeast. waves 1 to
3 feet. 
.saturday...south winds 15 to 20 knots becoming west. showers
likely. waves 2 to 4 feet building to 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 141338
glfle 
expires:202604142015;;353067

open lake forecast for lake erie
national weather service cleveland oh
938 am edt tue apr 14 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 stalled front will remain draped across the lower great lakes
region through midweek bringing periods of unsettled weather.
several areas of low pressure will track along this boundary
including low pressure 29.60 inches on thursday. a ridge averaging
30.00 inches will briefly build over the region on friday before
another area of low pressure 29.50 inches tracks across the great
lakes on saturday.


lez162>165-142015-
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-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
938 am edt tue apr 14 2026

.rest of today...southwest winds 15 to 20 knots. a chance of
showers with a slight chance of thunderstorms late this morning,
then a slight chance of showers early this afternoon. a slight
chance of showers and thunderstorms late. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms through the early overnight, then showers
likely with a slight chance of thunderstorms late. waves 1 to
3 feet. 
.wednesday...southwest winds 10 to 15 knots. showers likely in
the morning, then showers with a chance of thunderstorms in the
afternoon. waves 1 to 3 feet. 
.wednesday night...southwest winds 10 to 15 knots. showers with a
chance of thunderstorms in the evening, then a chance of showers
overnight. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots. showers likely during
the day, then a chance of showers and thunderstorms thursday
night. waves 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.saturday...south winds 15 to 25 knots becoming west. showers
likely with a chance of thunderstorms during the day, then a
chance of showers saturday night. waves 2 to 4 feet building to
3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 141340
glflh 
expires:202604142145;;353104

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt tue apr 14 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...several disturbances ripple along a stalled warm front
this week, leading to multiple periods of showers and
thunderstorms especially overnight. a few of these storms may be 
strong to severe.


lhz361-362-142145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
940 am edt tue apr 14 2026

.rest of today...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. patchy fog. waves 2 to 4 feet. 
.tonight...east winds 5 to 10 knots. patchy dense fog in the
evening. a chance of showers after midnight. waves 1 to 3 feet. 
.wednesday...northeast winds 5 to 10 knots veering to the east
early in the afternoon. waves 1 to 3 feet. 
.wednesday night...east winds 5 to 10 knots. a chance of showers
and thunderstorms in the evening...then showers likely and a
chance of thunderstorms after midnight. waves 1 to 3 feet. 
.thursday...north winds 10 to 15 knots backing to the west late
in the morning...then becoming northwest 5 to 10 knots late in
the afternoon. a chance of showers. waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots veering to the east
early in the evening...then becoming southeast 15 to 20 knots by
midnight. waves 1 to 3 feet building to 4 to 6 feet by midnight.
waves occasionally around 8 feet. 
.saturday...southeast winds 20 to 25 knots with gusts to around
30 knots becoming southwest to 30 knots by midnight. a chance of
showers early in the morning...then showers likely in the late
morning and early afternoon. a chance of showers . waves 8 to
12 feet. waves occasionally around 15 feet. 


$$

fzus63 kdtx 141340
glfsc 
expires:202604142145;;353109

lake st clair forecast
national weather service detroit/pontiac mi
940 am edt tue apr 14 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...several disturbances ripple along a stalled warm front
this week, leading to multiple periods of showers and
thunderstorms especially overnight. a few of these storms may be
strong to severe.


lcz460-142145-
lake st clair-
940 am edt tue apr 14 2026

.rest of today...southwest winds 15 to 20 knots. partly sunny. waves
1 to 3 feet.
.tonight...southwest winds 10 to 15 knots. partly cloudy in the
evening. a chance of light showers in the evening. a chance of
thunderstorms. rain showers after midnight. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots. showers likely until
late afternoon...then light showers and a chance of thunderstorms
early in the afternoon. waves 2 feet or less.
.wednesday night...southwest winds 10 to 15 knots. showers and a
chance of thunderstorms ...then light showers likely after midnight.
waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots. mostly cloudy. light
showers likely. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. partly cloudy. a chance of
light showers. waves 2 feet or less.
.saturday...southwest winds 20 to 25 knots. mostly cloudy with light
showers likely and a chance of thunderstorms. waves 2 to 4 feet.

$$

fzus63 kdtx 141340
glflh 
expires:202604142145;;353105

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt tue apr 14 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...several disturbances ripple along a stalled warm front
this week, leading to multiple periods of showers and
thunderstorms especially overnight. a few of these storms may be 
strong to severe.


lhz363-462>464-142145-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
940 am edt tue apr 14 2026

.rest of today...southwest winds 10 to 15 knots. areas of fog
late in the morning...then patchy fog in the afternoon. waves
2 to 4 feet. 
.tonight...north winds 5 to 10 knots veering to the east late in
the evening...then backing to the east 5 to 10 knots after
midnight veering to the southeast early in the morning. a chance
of showers in the evening...then a chance of showers and
thunderstorms after midnight. waves 1 to 3 feet. 
.wednesday...southeast winds 5 to 10 knots backing to the north
in the late morning and early afternoon...then veering to the
southeast early in the afternoon. a chance of showers. waves 1 to
3 feet. 
.wednesday night...southeast winds 5 to 10 knots veering to the
south after midnight. showers likely and a chance of
thunderstorms. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.friday...north winds 5 to 10 knots becoming southeast 10 to
15 knots by midnight. a chance of showers early in the morning.
waves 1 to 3 feet building to 3 to 5 feet by midnight. 
.saturday...southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then decreasing to 15 to 20 knots early in the
evening becoming southwest 20 to 25 knots by midnight. showers
likely until afternoon. a chance of showers . waves 5 to 7 feet.
waves occasionally around 10 feet. 


$$

fzus63 kmkx 141446
glflm 
expires:202604142145;;354973

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 am cdt tue apr 14 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...

areas of marine dense fog will continue into wednesday morning as
a warm front/stationary front wavers over the middle third of lake
michigan. marine dense fog advisory is now in effect until 7 am 
cdt wednesday given this potential.

otherwise, severe storms are expected this afternoon into the
evening, mainly over the southern two thirds of the lake as a low
pressure of 29.6 inches shifts east into the area. hail and gusty
will be the main threat, but a tornadic storm from land that moves
over the lake and briefly produces a waterspout can't be ruled out 
along the wisconsin and illinois shoreline. winds will remain
southerly south of the stationary boundary with modest breezes to
15 knots, while winds north of the boundary will light and
variable. this configuration of winds will persist into wednesday,
with more thunderstorms expected over the southern half of the
lake wednesday afternoon.


lmz669-671-673-675-870-872-874-876-142145-
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 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-
946 am cdt tue apr 14 2026

sheboygan wi to pentwater mi south to winthrop harbor il to south
haven mi...

...dense fog advisory in effect until 7 am cdt wednesday...

.rest of today...southwest winds 10 to 20 kt becoming south.
areas of dense fog. chance of rain showers and thunderstorms this
afternoon. waves 3 to 5 ft. 
.tonight...southeast winds 10 to 20 kt veering to west.
widespread dense fog. rain showers with thunderstorms likely in
the evening, then rain showers likely with a chance of
thunderstorms overnight. waves 2 to 4 ft. 
.wednesday...southwest winds 10 to 15 kt becoming southeast.
widespread dense fog in the morning, then patchy fog in the
afternoon. rain showers likely in the morning, then rain showers
with a chance of thunderstorms in the afternoon. waves 2 to 4 ft.
.wednesday night...southeast winds 10 to 15 kt becoming south
10 to 20 kt. rain showers with a chance of thunderstorms in the
evening, then rain showers likely overnight. waves 2 to 4 ft. 
.thursday...southwest winds 10 to 20 kt. chance of rain showers.
waves 2 to 4 ft. 
.thursday night...northwest winds 10 to 15 kt becoming north.
waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming southeast 10 to 20 kt.
waves 1 to 3 ft. 
.saturday...south winds to 30 kt becoming southwest. chance of
rain showers. waves 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 141446
glflm 
expires:202604142145;;354972

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 am cdt tue apr 14 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...

areas of marine dense fog will continue into wednesday morning as
a warm front/stationary front wavers over the middle third of lake
michigan. marine dense fog advisory is now in effect until 7 am 
cdt wednesday given this potential.

otherwise, severe storms are expected this afternoon into the
evening, mainly over the southern two thirds of the lake as a low
pressure of 29.6 inches shifts east into the area. hail and gusty
will be the main threat, but a tornadic storm from land that moves
over the lake and briefly produces a waterspout can't be ruled out 
along the wisconsin and illinois shoreline. winds will remain
southerly south of the stationary boundary with modest breezes to
15 knots, while winds north of the boundary will light and
variable. this configuration of winds will persist into wednesday,
with more thunderstorms expected over the southern half of the
lake wednesday afternoon.


lmz261-362-364-366-563-565-567-868-142145-
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-
946 am cdt tue apr 14 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 7 am cdt wednesday...

.rest of today...north winds 10 to 15 kt becoming east. areas of
dense fog. waves 2 to 4 ft. 
.tonight...northeast winds 10 to 15 kt diminishing to 5 to 10 kt.
widespread dense fog. chance of rain showers and thunderstorms in
the evening, then slight chance of rain showers and thunderstorms
overnight. waves 1 to 3 ft. 
.wednesday...northeast winds 5 to 10 kt. widespread dense fog in
the morning, then patchy fog in the afternoon. chance of rain
showers. waves 1 to 3 ft. 
.wednesday night...northeast winds 5 to 10 kt becoming east 10 to
15 kt. rain showers likely with a chance of thunderstorms in the
evening, then rain showers likely overnight. waves 1 to 3 ft. 
.thursday...east winds 10 to 15 kt backing to northwest. chance
of rain showers. waves 1 to 3 ft. 
.thursday night...north winds 10 to 15 kt becoming northeast.
waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming southeast 10 to 20 kt.
waves 1 to 2 ft building to 1 to 3 ft. 
.saturday...south winds to 30 kt becoming southwest. chance of
rain showers. waves 8 to 11 ft occasionally to 14 ft.  

$$

fzus63 kmkx 141446
glflm 
expires:202604142145;;354974

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 am cdt tue apr 14 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...

areas of marine dense fog will continue into wednesday morning as
a warm front/stationary front wavers over the middle third of lake
michigan. marine dense fog advisory is now in effect until 7 am 
cdt wednesday given this potential.

otherwise, severe storms are expected this afternoon into the
evening, mainly over the southern two thirds of the lake as a low
pressure of 29.6 inches shifts east into the area. hail and gusty
will be the main threat, but a tornadic storm from land that moves
over the lake and briefly produces a waterspout can't be ruled out 
along the wisconsin and illinois shoreline. winds will remain
southerly south of the stationary boundary with modest breezes to
15 knots, while winds north of the boundary will light and
variable. this configuration of winds will persist into wednesday,
with more thunderstorms expected over the southern half of the
lake wednesday afternoon.


lmz080-777-779-878-142145-
lake michigan from michigan city in to st. joseph mi 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 st. joseph to south haven mi 5 nm offshore to
mid lake-
946 am cdt tue apr 14 2026

winthrop harbor il to south haven mi south...

.rest of today...southwest winds 10 to 20 kt becoming south.
patchy fog late this morning, then areas of dense fog this
afternoon. chance of showers and thunderstorms this afternoon.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tonight...south winds 10 to 20 kt becoming southwest. widespread
dense fog. chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
waves 2 to 4 ft. 
.wednesday...south winds 10 to 15 kt. patchy fog in the morning.
showers with a chance of thunderstorms. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 15 kt becoming southwest
10 to 20 kt. showers with a chance of thunderstorms in the
evening, then showers overnight. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 20 kt. chance of showers in the
morning, then showers likely in the afternoon. waves 1 to 3 ft. 
.thursday night...west winds 10 to 15 kt becoming north 5 to
10 kt. waves 1 to 2 ft. 
.friday...east winds 5 to 10 kt becoming southeast 10 to 15 kt.
waves 1 to 2 ft. 
.saturday...south winds 15 to 25 kt becoming southwest. showers
likely. waves 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmqt 141518
glfls 
expires:202604142330;;356198

open lake forecast for lake superior
national weather service marquette mi
1118 am edt tue apr 14 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 29.6 inch low over iowa early this morning lifts through northern 
lower michigan at 29.6 inches by mid morning. following this, weak 
ridging of around 29.8 to 29.9 inches moves back over lake superior 
from northern ontario this afternoon through wednesday before 
another low from the central plains lifts through lower michigan or 
closer to the straits at around 29.7 inches. ridging increases to 
29.8 inches over lake superior later in the day thursday before 
troughing of 29.4 to 29.6 inches moves across the lake friday 
through saturday. this deepens further to 29.2 inches over ontario 
sunday.



lsz162-142330-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1118 am edt tue apr 14 2026 /1018 am cdt tue apr 14 2026/

.rest of today...northeast winds 5 to 15 knots. patchy fog. a
slight chance of thunderstorms early in the afternoon. a chance
of rain showers. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots backing north after
midnight. patchy fog. waves calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. patchy fog through
early afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots. a slight chance
of rain showers. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots veering east by mid
afternoon. a slight chance of rain showers through early
afternoon. waves calm to 2 feet. 
.thursday night...northeast winds 10 to 20 knots. waves building
to 1 to 3 feet. 
.friday...northeast winds 10 to 20 knots becoming north 20 to
30 knots. a chance of rain showers, then rain showers, possibly
mixed with snow. waves building to 4 to 8 feet occasionally to
10 feet. 
.saturday...northwest winds 20 to 30 knots increasing to gales to
35 knots. a chance of rain showers. a chance of snow showers.
waves building to 6 to 9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 141518
glfls 
expires:202604142330;;356199

open lake forecast for lake superior
national weather service marquette mi
1118 am edt tue apr 14 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 29.6 inch low over iowa early this morning lifts through northern 
lower michigan at 29.6 inches by mid morning. following this, weak 
ridging of around 29.8 to 29.9 inches moves back over lake superior 
from northern ontario this afternoon through wednesday before 
another low from the central plains lifts through lower michigan or 
closer to the straits at around 29.7 inches. ridging increases to 
29.8 inches over lake superior later in the day thursday before 
troughing of 29.4 to 29.6 inches moves across the lake friday 
through saturday. this deepens further to 29.2 inches over ontario 
sunday.



lsz263-142330-
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-
1118 am edt tue apr 14 2026

.rest of today...northeast winds 5 to 15 knots. patchy fog. a
chance of rain showers. a slight chance of thunderstorms by mid
afternoon. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots becoming north less than
10 knots after midnight, then veering northeast late. patchy fog
through midnight, then areas of dense fog after midnight. waves
calm to 2 feet. 
.wednesday...northeast winds less than 10 knots. patchy fog
through early afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds less than 10 knots becoming
north 5 to 15 knots after midnight. a slight chance of rain
showers. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots veering east by mid
afternoon. a slight chance of rain showers. waves calm to 2 feet.
.thursday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.friday...east winds 15 to 25 knots increasing to 20 to 30 knots.
rain showers, possibly mixed with snow. waves building to 6 to
9 feet occasionally to 11 feet. 
.saturday...northwest gales to 40 knots. a chance of rain
showers. a chance of snow showers. waves building to 10 to
14 feet occasionally to 18 feet. 

$$

fzus63 kmqt 141518
glfls 
expires:202604142330;;356200

open lake forecast for lake superior
national weather service marquette mi
1118 am edt tue apr 14 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 29.6 inch low over iowa early this morning lifts through northern 
lower michigan at 29.6 inches by mid morning. following this, weak 
ridging of around 29.8 to 29.9 inches moves back over lake superior 
from northern ontario this afternoon through wednesday before 
another low from the central plains lifts through lower michigan or 
closer to the straits at around 29.7 inches. ridging increases to 
29.8 inches over lake superior later in the day thursday before 
troughing of 29.4 to 29.6 inches moves across the lake friday 
through saturday. this deepens further to 29.2 inches over ontario 
sunday.



lsz264-142330-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1118 am edt tue apr 14 2026

.rest of today...northeast winds 5 to 15 knots. patchy fog. a
chance of rain showers. a slight chance of thunderstorms by mid
afternoon. waves calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots becoming north less than
10 knots after midnight. patchy fog. waves calm to 2 feet. 
.wednesday...north winds less than 10 knots veering northeast in
the afternoon. patchy fog through early afternoon. waves calm to
2 feet. 
.wednesday night...northeast winds less than 10 knots backing
north after midnight. a slight chance of rain showers. waves calm
to 2 feet. 
.thursday...west winds 5 to 15 knots veering north by mid
afternoon. a slight chance of rain showers. waves calm to 2 feet.
.thursday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.friday...east winds 20 to 30 knots becoming southeast gales to
35 knots. rain showers, possibly mixed with snow. waves building
to 8 to 11 feet occasionally to 14 feet. 
.saturday...northwest gales to 40 knots. a chance of rain and
snow showers. waves subsiding to 7 to 10 feet occasionally to
13 feet, then building to 11 to 15 feet occasionally to 19 feet. 

$$

fzus63 kmqt 141518
glfls 
expires:202604142330;;356201

open lake forecast for lake superior
national weather service marquette mi
1118 am edt tue apr 14 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 29.6 inch low over iowa early this morning lifts through northern 
lower michigan at 29.6 inches by mid morning. following this, weak 
ridging of around 29.8 to 29.9 inches moves back over lake superior 
from northern ontario this afternoon through wednesday before 
another low from the central plains lifts through lower michigan or 
closer to the straits at around 29.7 inches. ridging increases to 
29.8 inches over lake superior later in the day thursday before 
troughing of 29.4 to 29.6 inches moves across the lake friday 
through saturday. this deepens further to 29.2 inches over ontario 
sunday.



lsz265-142330-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1118 am edt tue apr 14 2026

...dense fog advisory in effect until 8 pm edt this evening...

.rest of today...east winds 5 to 15 knots. patchy fog early in
the afternoon, then areas of dense fog by mid afternoon. a slight
chance of rain and snow showers by mid afternoon. waves calm to
2 feet. 
.tonight...northeast winds 5 to 15 knots backing northwest after
midnight. areas of dense fog. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots veering northeast
late. patchy fog through early afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots becoming
northwest 10 to 20 knots after midnight. a chance of rain
showers. waves calm to 2 feet. 
.thursday...northwest winds 10 to 20 knots veering east by mid
afternoon. a slight chance of rain showers. waves calm to 2 feet.
.thursday night...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves building to 1 to 3 feet. 
.friday...southeast winds 20 to 30 knots increasing to gales to
35 knots. rain showers. waves building to 6 to 10 feet
occasionally to 13 feet. 
.saturday...west gales to 45 knots. rain showers likely. a chance
of snow showers. a chance of rain showers. waves building to
10 to 14 feet occasionally to 18 feet. 

$$

fzus63 kmqt 141518
glfls 
expires:202604142330;;356202

open lake forecast for lake superior
national weather service marquette mi
1118 am edt tue apr 14 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 29.6 inch low over iowa early this morning lifts through northern 
lower michigan at 29.6 inches by mid morning. following this, weak 
ridging of around 29.8 to 29.9 inches moves back over lake superior 
from northern ontario this afternoon through wednesday before 
another low from the central plains lifts through lower michigan or 
closer to the straits at around 29.7 inches. ridging increases to 
29.8 inches over lake superior later in the day thursday before 
troughing of 29.4 to 29.6 inches moves across the lake friday 
through saturday. this deepens further to 29.2 inches over ontario 
sunday.



lsz266-142330-
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-
1118 am edt tue apr 14 2026

...dense fog advisory in effect until 8 pm edt this evening...

.rest of today...east winds 5 to 15 knots. widespread dense fog.
a slight chance of rain showers by mid afternoon. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots backing north after midnight,
then increasing to 10 to 20 knots late. patchy fog through
midnight, then areas of dense fog after midnight. waves calm to
2 feet. 
.wednesday...north winds 5 to 15 knots veering northeast late.
patchy fog through early afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. a chance of rain showers. waves calm to 2 feet. 
.thursday...north winds 10 to 20 knots. a chance of rain showers.
waves calm to 2 feet. 
.thursday night...east winds 10 to 20 knots. waves building to
1 to 3 feet. 
.friday...southeast winds 20 to 30 knots increasing to gales to
35 knots. a chance of rain showers. waves building to 9 to
12 feet occasionally to 15 feet. 
.saturday...west gales to 45 knots. rain showers likely. a chance
of snow showers. a chance of rain showers. waves building to
10 to 14 feet occasionally to 18 feet, then subsiding to 9 to
12 feet occasionally to 15 feet. 

$$

fzus63 kmqt 141518
glfls 
expires:202604142330;;356203

open lake forecast for lake superior
national weather service marquette mi
1118 am edt tue apr 14 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 29.6 inch low over iowa early this morning lifts through northern 
lower michigan at 29.6 inches by mid morning. following this, weak 
ridging of around 29.8 to 29.9 inches moves back over lake superior 
from northern ontario this afternoon through wednesday before 
another low from the central plains lifts through lower michigan or 
closer to the straits at around 29.7 inches. ridging increases to 
29.8 inches over lake superior later in the day thursday before 
troughing of 29.4 to 29.6 inches moves across the lake friday 
through saturday. this deepens further to 29.2 inches over ontario 
sunday.



lsz267-142330-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1118 am edt tue apr 14 2026

...dense fog advisory in effect until 8 pm edt this evening...

.rest of today...east winds 5 to 15 knots. patchy fog early in
the afternoon, then widespread dense fog by mid afternoon. waves
calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering south late. patchy
fog through midnight, then areas of dense fog after midnight.
waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots veering northeast in the
afternoon, then backing north late. areas of dense fog through
early afternoon. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. a chance of rain showers. waves calm to 2 feet. 
.thursday...north winds 10 to 20 knots. a chance of rain showers.
waves calm to 2 feet. 
.thursday night...northeast winds 5 to 15 knots becoming east
10 to 20 knots after midnight. waves calm to 2 feet. 
.friday...southeast winds 10 to 20 knots increasing to 20 to
30 knots. rain showers likely. waves building to 6 to 9 feet
occasionally to 11 feet. 
.saturday...south gales to 35 knots becoming west gales to
40 knots. rain showers, possibly mixed with snow, then a chance
of snow showers, possibly mixed with rain. waves building to
15 to 20 feet occasionally to 25 feet. 

$$