fzus61 kbuf 091403
glflo 
expires:202603092100;;900872

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon mar 9 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 30.1 inch high will slide from the lower ohio valley 
to the mid atlantic region today. a 28.9 inch low will move to james 
bay with a cold front from this low stalling near the lake tuesday, 
lifting northward wednesday as a 29.5 wave of low pressure ripples 
along the front, with this wave passing just to the west of the lake 
wednesday night. the low will deepen to 29.4 inches as it moves 
across southern quebec thursday. a 30.2 inch high will move across 
the ohio valley and mid-atlantic region thursday night through 
friday.


loz062-063-092100-
lake ontario open waters from the niagara river to sodus bay-
1002 am edt mon mar 9 2026

.this afternoon...southwest winds 15 to 20 knots. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.tonight...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots becoming northeast. a chance
of rain showers in the afternoon. waves 2 feet or less. 
.tuesday night...northeast winds 5 to 15 knots increasing to
15 to 20 knots. a chance of rain showers in the evening, then
rain showers overnight. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...east winds 15 to 25 knots becoming west to 30 knots.
rain showers during the day, then rain showers with snow showers
likely wednesday night. waves 3 to 6 feet building to 8 to
11 feet. waves occasionally around 14 feet. 
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
a chance of snow showers during the day. waves 9 to 12 feet
subsiding to 4 to 7 feet. waves occasionally around 15 feet. 
.friday...south winds 15 to 25 knots becoming west and increasing
to 35 knot gales. snow and rain showers likely. waves 3 to 6 feet
building to 11 to 15 feet. waves occasionally around 19 feet. 

$$

fzus61 kbuf 091403
glflo 
expires:202603092100;;900873

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon mar 9 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 30.1 inch high will slide from the lower ohio valley 
to the mid atlantic region today. a 28.9 inch low will move to james 
bay with a cold front from this low stalling near the lake tuesday, 
lifting northward wednesday as a 29.5 wave of low pressure ripples 
along the front, with this wave passing just to the west of the lake 
wednesday night. the low will deepen to 29.4 inches as it moves 
across southern quebec thursday. a 30.2 inch high will move across 
the ohio valley and mid-atlantic region thursday night through 
friday.


loz064-065-092100-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am edt mon mar 9 2026

.this afternoon...south winds 15 to 20 knots. waves 3 to 5 feet. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.tuesday night...northeast winds 5 to 15 knots. a chance of rain
showers in the evening, then rain showers likely overnight. waves
1 to 3 feet. 
.wednesday...northeast winds 15 to 25 knots becoming west to
30 knots. rain showers during the day, then rain showers with a
chance of snow showers wednesday night. waves 1 to 3 feet
building to 8 to 11 feet. waves occasionally around 14 feet. 
.thursday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow showers during
the day. waves 8 to 12 feet subsiding to 4 to 7 feet. waves
occasionally around 15 feet. 
.friday...south winds 15 to 25 knots becoming west and increasing
to 35 knot gales. snow and rain showers likely. waves 3 to 5 feet
building to 11 to 15 feet. waves occasionally around 19 feet. 

$$

fzus61 kcle 091951
glfle 
expires:202603100215;;915714

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon mar 9 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 ridge averaging 30.00 inches will persist across the mid-
atlantic while low pressure of 29.30 inches passes north of the 
great lakes into quebec. a stationary front will settle south
and stall across lake erie late tuesday as low pressure of 29.60 
inches slides east into the midwest. this low will continue 
northeast through the central great lakes on wednesday, first
lifting a warm front north, then pulling a cold front back south across
the area wednesday afternoon. a ridge averaging 30.20 inches will
build into the area on thursday, followed by a stronger low 
pressure system 29.40 inches moving east through the great lakes 
on friday.


lez162-163-100215-
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-
351 pm edt mon mar 9 2026

.tonight...south winds 10 to 15 knots becoming southwest. a
slight chance of showers after midnight. a slight chance of
showers and thunderstorms late. waves in ice free areas 2 feet or
less. 
.tuesday...south winds around 10 knots becoming southeast. a
chance of showers with a slight chance of thunderstorms. waves
1 foot or less. 
.tuesday night...east winds 10 to 15 knots becoming south.
showers with a chance of thunderstorms. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms in the morning,
then showers in the afternoon. waves 1 to 3 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest.
rain showers in the evening, then a chance of rain and snow
showers overnight. waves 1 to 3 feet. 
.thursday...northwest winds 15 to 25 knots becoming south. a
chance of rain and snow thursday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday...south winds to 30 knots becoming west and diminishing
to 15 to 20 knots. a chance of rain and snow during the day.
waves 3 to 6 feet subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming east and increasing
to 15 to 25 knots. a chance of rain and snow saturday night.
waves 2 feet or less building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

wave heights are for ice free areas.

$$

fzus61 kcle 091951
glfle 
expires:202603100215;;915715

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon mar 9 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 ridge averaging 30.00 inches will persist across the mid-
atlantic while low pressure of 29.30 inches passes north of the 
great lakes into quebec. a stationary front will settle south
and stall across lake erie late tuesday as low pressure of 29.60 
inches slides east into the midwest. this low will continue 
northeast through the central great lakes on wednesday, first
lifting a warm front north, then pulling a cold front back south across
the area wednesday afternoon. a ridge averaging 30.20 inches will
build into the area on thursday, followed by a stronger low 
pressure system 29.40 inches moving east through the great lakes 
on friday.


lez164>167-100215-
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-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
351 pm edt mon mar 9 2026

.tonight...south winds 10 to 15 knots. a slight chance of showers
after midnight. waves in ice free areas 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots. a chance of showers with a
slight chance of thunderstorms. waves 2 feet or less. 
.tuesday night...southeast winds 5 to 15 knots. a chance of
showers in the evening, then showers with a chance of
thunderstorms overnight. waves 2 feet or less. 
.wednesday...south winds 15 to 20 knots becoming southwest.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday night...west winds 15 to 20 knots. rain showers in the
evening, then a chance of rain and snow showers overnight. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...northwest winds 15 to 25 knots becoming south. a
chance of snow thursday night. waves 2 to 4 feet. 
.friday...southwest winds to 30 knots becoming west. rain and 
snow likely during the day. waves 5 to 9 feet subsiding to 4 to 7 
feet. waves occasionally around 11 feet. 
.saturday...west winds 15 to 20 knots becoming east. a chance of
rain and snow saturday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

wave heights are for ice free areas.

$$

fzus61 kcle 091951
glfle 
expires:202603100215;;915716

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon mar 9 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 ridge averaging 30.00 inches will persist across the mid-
atlantic while low pressure of 29.30 inches passes north of the 
great lakes into quebec. a stationary front will settle south
and stall across lake erie late tuesday as low pressure of 29.60 
inches slides east into the midwest. this low will continue 
northeast through the central great lakes on wednesday, first
lifting a warm front north, then pulling a cold front back south across
the area wednesday afternoon. a ridge averaging 30.20 inches will
build into the area on thursday, followed by a stronger low 
pressure system 29.40 inches moving east through the great lakes 
on friday.


lez061-168-169-100215-
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-
351 pm edt mon mar 9 2026

.tonight...southwest winds 5 to 15 knots becoming south. a slight
chance of rain showers late. waves in ice free areas 1 foot or
less. 
.tuesday...south winds 5 to 10 knots becoming east. a chance of
rain showers through early afternoon, then a chance of rain
showers with a slight chance of thunderstorms late. waves 1 foot
or less. 
.tuesday night...east winds 5 to 15 knots. a chance of rain
showers in the evening, then rain showers with a chance of
thunderstorms overnight. waves 1 foot or less. 
.wednesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers with a chance of thunderstorms. waves 1 foot or
less. 
.wednesday night...southwest winds 15 to 20 knots becoming west.
rain showers with a chance of thunderstorms in the evening, then
rain showers likely overnight. waves 1 foot or less. 
.thursday...west winds 15 to 20 knots becoming south 10 to
15 knots. waves 1 foot or less. 
.friday...south winds 15 to 25 knots becoming west to 30 knots.
rain and snow likely during the day. waves 1 foot or less. 
.saturday...west winds 15 to 20 knots becoming east 5 to
15 knots. a chance of rain and snow saturday night. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

wave heights are for ice free areas.

$$

fzus63 kdtx 091401
glfsc 
expires:202603092215;;900791

lake st clair forecast
national weather service detroit/pontiac mi
1001 am edt mon mar 9 2026

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

.synopsis...low pressure, 29.20 inches, tracks through northern
ontario today bringing moderate to strong southwesterly winds to
the central great lakes this morning. a brief break in the active
pattern develops late monday through tuesday before deepening
plains low pressure reaches the great lakes midweek.


lcz460-092215-
lake st clair-
1001 am edt mon mar 9 2026

.rest of today...southwest winds around 20 knots. sunny.
.tonight...southwest winds 10 to 15 knots becoming south 5 to 10
knots in the late evening and overnight. mostly clear.
.tuesday...south winds 5 to 10 knots. mostly cloudy. a chance of
light rain early in the afternoon.
.tuesday night...northeast winds 5 to 10 knots becoming east 10 to
15 knots in the late evening and overnight. light rain likely in the
evening. a chance of thunderstorms. rain after midnight.
.wednesday...south winds 10 to 15 knots becoming west 15 to 20 knots
in the afternoon and evening. a chance of thunderstorms in the
morning. rain...then a chance of light rain and snow in the evening.
.thursday...west winds 20 to 25 knots. partly cloudy.
.friday...west at 35 knot gales with gusts to 40 knot gales. partly
cloudy. light rain and snow likely.  a gale warning may be needed.

waves omitted due to ice coverage.

$$

fzus63 kdtx 091358
glflh 
expires:202603092200;;900616

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt mon mar 9 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure, 29.20 inches, tracks through northern
ontario today bringing moderate to strong southwesterly winds to
the central great lakes this morning. a brief break in the active
pattern develops late monday through tuesday before deepening
plains low pressure reaches the great lakes midweek.


lhz361-092200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
958 am edt mon mar 9 2026

.rest of today...southwest winds 20 to 25 knots with gusts to
around 30 knots becoming west 15 to 20 knots 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 becoming north 5 to
10 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.tuesday...northeast winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots increasing to
20 to 25 knots. snow likely in the evening...then snow and
freezing rain likely after midnight. waves 1 to 3 feet building
to 5 to 7 feet in the late evening and overnight. waves
occasionally around 10 feet. 
.wednesday...northeast winds 20 to 25 knots decreasing to 15 to
20 knots late in the morning...then becoming north 20 to 25 knots
late in the afternoon. freezing rain likely. snow likely...then a
chance of snow late in the evening. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then becoming southeast 20 to
25 knots with gusts to around 30 knots by midnight. waves 4 to
6 feet subsiding to 1 to 3 feet early in the evening...then
building to 5 to 7 feet by midnight. waves occasionally around
10 feet. 
.friday...southeast winds to 30 knots increasing to 35 knot gales
in the late morning and early afternoon...then becoming northeast
to 30 knots early in the evening backing to the northwest by
midnight. snow likely until afternoon...then a chance of snow
early in the evening. waves 14 to 18 feet subsiding to 10 to
14 feet by midnight. waves occasionally around 23 feet. a gale
warning may be needed. 

wave heights are for ice free areas.

$$

fzus63 kdtx 091358
glflh 
expires:202603092200;;900617

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt mon mar 9 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure, 29.20 inches, tracks through northern
ontario today bringing moderate to strong southwesterly winds to
the central great lakes this morning. a brief break in the active
pattern develops late monday through tuesday before deepening
plains low pressure reaches the great lakes midweek.


lhz362-363-092200-
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-
958 am edt mon mar 9 2026

.rest of today...southwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 10 to 15 knots. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.tonight...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late evening and overnight. waves 3 to 5 feet subsiding to
2 to 4 feet after midnight. 
.tuesday...northeast winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon. 
.tuesday night...northeast winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots after midnight. a
chance of rain and snow in the evening...then rain...freezing
rain and snow after midnight. waves 5 to 7 feet building to 8 to
12 feet after midnight. waves occasionally around 15 feet. 
.wednesday...northeast winds 20 to 25 knots with gusts to around
30 knots backing to the north with gusts to around 30 knots late
in the afternoon. rain...freezing rain and sleet likely. snow
likely. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday...northwest 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 becoming south 20 to 25 knots with gusts to around
30 knots by midnight. a chance of. waves 8 to 12 feet subsiding
to 3 to 5 feet early in the evening...then building to 6 to
9 feet by midnight. waves occasionally around 15 feet. 
.friday...southeast winds to 30 knots increasing to 35 knot gales
in the late morning and early afternoon...then backing to the
east early in the evening becoming west to 30 knots by midnight.
gusts to 40 knot gales. snow and rain likely until afternoon...
then a chance of snow and rain early in the evening. waves 14 to
18 feet. waves occasionally around 23 feet. a gale warning may be
needed. 

wave heights are for ice free areas.

$$

fzus63 kdtx 091358
glflh 
expires:202603092200;;900618

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt mon mar 9 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...low pressure, 29.20 inches, tracks through northern
ontario today bringing moderate to strong southwesterly winds to
the central great lakes this morning. a brief break in the active
pattern develops late monday through tuesday before deepening
plains low pressure reaches the great lakes midweek.


lhz462>464-092200-
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-
958 am edt mon mar 9 2026

.rest of today...south winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tonight...southwest winds 5 to 10 knots veering to the north in
the late evening and overnight. waves 2 to 4 feet subsiding to
2 feet or less in the late evening and overnight. 
.tuesday...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. waves 1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots. rain likely in
the evening...then rain after midnight. waves 3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots backing to the north
late in the morning...then becoming northwest 20 to 25 knots with
gusts to around 30 knots late in the afternoon. rain in the
morning...then rain likely late in the morning. a chance of snow
late in the afternoon. waves 5 to 7 feet building to 8 to 12 feet
late in the afternoon. waves occasionally around 15 feet. 
.thursday...northwest 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 5 to 10 knots early in the
evening becoming south 10 to 15 knots by midnight. a chance of.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.friday...south winds to 30 knots with gusts to 40 knot gales
increasing to 35 knot gales with gusts to 40 knot gales in the
late morning and early afternoon...then becoming southwest to
30 knots with gusts to 35 knot gales early in the evening veering
to the west by midnight. rain and snow likely until afternoon...
then a chance of rain and snow early in the evening. waves 8 to
12 feet. waves occasionally around 15 feet. a gale warning may be
needed. 

wave heights are for ice free areas.

$$

fzus63 kmkx 091935
glflm 
expires:202603100315;;914954

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
235 pm cdt mon mar 9 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 southwest winds will diminish through this evening as high
pressure around 29.9 inches pushes into the upper great lakes.
marine dense fog may develop over far southern lake michigan early
tuesday morning with the lull in the winds. a cold front will 
gradually bring a wind shift to the west- northwest and eventually
north- northeast. this front will accelerate from north to south 
overnight down lake michigan overnight. brisk northeast winds of 
15 to 25 kt developing tuesday morning will persist through 
tuesday night.

low pressure around 29.6 inches then develops in the central great
plains and progresses into northern illinois tuesday night. there
is some potential for isolated thunderstorms across the southern 
third of the lake. low pressure ejects to the lower great lakes 
into wednesday morning, turning winds northwesterly. north to 
northwest gales are possible wednesday morning through wednesday 
afternoon, mainly over the south half of the lake. winds 
gradually diminish into thursday morning.

another round of gales is possible thursday night into friday as a
compact clipper low of 29.2 inches crosses northern lake michigan.


lmz261-362-364-366-563-565-567-868-100315-
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-
235 pm cdt mon mar 9 2026

sheboygan wi to pentwater mi north...

.tonight...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...northeast winds to 30 kt. chance of snow showers and
slight chance of rain showers in the afternoon. waves 5 to 8 ft
occasionally to 10 ft. 
.tuesday night...northeast winds to 30 kt diminishing to 15 to
25 kt. rain, snow and light freezing rain likely in the evening,
then rain likely, chance of light freezing rain and snow
overnight. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday...northeast winds to 30 kt becoming north. snow, rain,
light freezing rain and light sleet likely in the morning, then
chance of snow in the afternoon. waves 7 to 10 ft occasionally to
13 ft. 
.wednesday night...northwest winds to 30 kt. waves 7 to 10 ft
occasionally to 13 ft subsiding to 5 to 8 ft occasionally to
10 ft. 
.thursday...northwest winds 10 to 20 kt becoming southwest. waves
3 to 5 ft subsiding to 2 to 4 ft. 
.thursday night...south winds to 30 kt becoming southeast gales
to 40 kt. snow and rain. waves 7 to 10 ft occasionally to 13 ft
building to 12 to 16 ft occasionally to 21 ft. 
.friday...southeast gales to 40 kt veering to northwest. chance
of snow and rain. waves 14 to 18 ft occasionally to 23 ft. 
.saturday...northwest winds 10 to 20 kt backing to southeast.
chance of snow. waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft.  

$$

fzus63 kmkx 091935
glflm 
expires:202603100315;;914955

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
235 pm cdt mon mar 9 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 southwest winds will diminish through this evening as high
pressure around 29.9 inches pushes into the upper great lakes.
marine dense fog may develop over far southern lake michigan early
tuesday morning with the lull in the winds. a cold front will 
gradually bring a wind shift to the west- northwest and eventually
north- northeast. this front will accelerate from north to south 
overnight down lake michigan overnight. brisk northeast winds of 
15 to 25 kt developing tuesday morning will persist through 
tuesday night.

low pressure around 29.6 inches then develops in the central great
plains and progresses into northern illinois tuesday night. there
is some potential for isolated thunderstorms across the southern 
third of the lake. low pressure ejects to the lower great lakes 
into wednesday morning, turning winds northwesterly. north to 
northwest gales are possible wednesday morning through wednesday 
afternoon, mainly over the south half of the lake. winds 
gradually diminish into thursday morning.

another round of gales is possible thursday night into friday as a
compact clipper low of 29.2 inches crosses northern lake michigan.


lmz080-669-671-673-675-777-779-870-872-874-876-878-100315-
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-
235 pm cdt mon mar 9 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 20 kt backing to north 15 to 25 kt.
areas of dense fog overnight. waves 3 to 5 ft building to 4 to
6 ft occasionally to 8 ft. 
.tuesday...north winds to 30 kt becoming northeast 15 to 25 kt.
patchy fog. chance of rain showers and thunderstorms in the
afternoon. waves 5 to 8 ft occasionally to 10 ft. 
.tuesday night...northeast winds 15 to 25 kt becoming north.
rain, chance of showers and thunderstorms in the evening, then
rain with a chance of thunderstorms overnight. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday...north winds to 30 kt becoming northwest gales to
35 kt. rain likely in the morning, then chance of rain, snow and
light sleet in the afternoon. waves 7 to 10 ft occasionally to
13 ft building to 8 to 12 ft occasionally to 16 ft. 
.wednesday night...northwest winds to 30 kt diminishing to 15 to
25 kt. waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.thursday...northwest winds 10 to 20 kt backing to southwest.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.thursday night...south winds to 30 kt increasing to gales to
45 kt. chance of rain and snow. waves 7 to 10 ft occasionally to
13 ft building to 12 to 16 ft occasionally to 21 ft. 
.friday...west gales to 45 kt becoming northwest gales to 40 kt.
waves 14 to 18 ft occasionally to 23 ft. 
.saturday...northeast winds 10 to 20 kt becoming southeast.
chance of snow. waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft.  

$$