fzus61 kbuf 120945
glflo 
expires:202603121500;;068498

open lake forecast for lake ontario
national weather service buffalo ny
545 am edt thu mar 12 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...low pressure will deepen to 29.2 inches as it moves from 
southern quebec to the canadian maritimes this evening. a ridge of 
high pressure averaging 30.1 inches will then build into the ohio 
valley and lower great lakes this afternoon and evening before 
drifting to the eastern seaboard friday. a 29.0 inch low will then 
move from the upper great lakes friday morning to the ottawa valley 
friday night while weakening to 29.4 inches. this low will continue 
east to the canadian maritimes saturday as a 30.3 inch high builds 
into the lower great lakes. a 30.3 inch surface high will ridge 
across the lake saturday night, and move east of the lake sunday. 
meanwhile, a 29.5 inch surface low over the mid mississippi valley 
sunday morning will track northeastward and deepen to 28.9 inches 
just to the west of the lake monday morning.


loz062-121500-
lake ontario open waters from the niagara river to hamlin beach-
545 am edt thu mar 12 2026

...gale warning in effect until 11 am edt this morning...
...gale watch in effect from friday afternoon through saturday
morning...

.today...west winds to 30 knots becoming northwest. a chance of
snow showers early this afternoon. waves 9 to 12 feet subsiding
to 5 to 8 feet. waves occasionally around 15 feet. 
.tonight...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 2 feet. 
.friday...southeast winds 15 to 25 knots becoming southwest to
30 knots. snow showers in the morning, then rain and snow showers
in the afternoon. waves 1 to 3 feet building to 5 to 9 feet.
waves occasionally around 11 feet. 
.friday night...southwest winds to 30 knots becoming west and
increasing to 40 knot gales overnight. rain showers with a chance
of snow showers in the evening, then a chance of snow showers
overnight. waves 7 to 10 feet building to 13 to 18 feet. waves
occasionally around 23 feet. 
.saturday...west gales to 35 knots becoming northeast and
diminishing to 10 to 15 knots. a chance of snow showers saturday
night. waves 12 to 16 feet subsiding to 1 to 3 feet. waves
occasionally around 20 feet. 
.sunday...east winds 15 to 20 knots becoming southeast and
increasing to 30 knots. snow showers with rain showers likely.
waves 3 to 5 feet building to 7 to 11 feet. waves occasionally
around 14 feet. 
.monday...south gales to 35 knots becoming west to 40 knots. rain
showers with a chance of snow showers during the day, then a
chance of snow and rain showers monday night. waves 8 to 11 feet
building to 14 to 19 feet. waves occasionally around 24 feet. 

$$

fzus61 kbuf 120945
glflo 
expires:202603121500;;068499

open lake forecast for lake ontario
national weather service buffalo ny
545 am edt thu mar 12 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...low pressure will deepen to 29.2 inches as it moves from 
southern quebec to the canadian maritimes this evening. a ridge of 
high pressure averaging 30.1 inches will then build into the ohio 
valley and lower great lakes this afternoon and evening before 
drifting to the eastern seaboard friday. a 29.0 inch low will then 
move from the upper great lakes friday morning to the ottawa valley 
friday night while weakening to 29.4 inches. this low will continue 
east to the canadian maritimes saturday as a 30.3 inch high builds 
into the lower great lakes. a 30.3 inch surface high will ridge 
across the lake saturday night, and move east of the lake sunday. 
meanwhile, a 29.5 inch surface low over the mid mississippi valley 
sunday morning will track northeastward and deepen to 28.9 inches 
just to the west of the lake monday morning.


loz063>065-121500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
545 am edt thu mar 12 2026

...gale warning in effect until 11 am edt this morning...
...gale watch in effect from friday evening through saturday
afternoon...

.today...west winds to 30 knots. a chance of snow showers this
morning. waves 10 to 14 feet subsiding to 8 to 11 feet. waves
occasionally around 18 feet. 
.tonight...northwest winds to 30 knots becoming west and
diminishing to 5 to 15 knots after midnight. waves 7 to 10 feet
subsiding to 2 to 4 feet. waves occasionally around 13 feet. 
.friday...south winds 15 to 25 knots becoming southwest to
30 knots. snow showers in the morning, then rain and snow showers
in the afternoon. waves 2 feet or less building to 5 to 8 feet.
waves occasionally around 10 feet. 
.friday night...southwest winds to 30 knots becoming west and
increasing to 40 knot gales overnight. rain showers with snow
showers likely. waves 7 to 10 feet building to 16 to 21 feet.
waves occasionally around 27 feet. 
.saturday...west gales to 40 knots becoming north and diminishing
to 5 to 10 knots. snow showers likely during the day. waves 16 to
21 feet subsiding to 2 to 4 feet. waves occasionally around
27 feet. 
.sunday...east winds 15 to 25 knots becoming southeast and
increasing to 40 knot gales. snow showers likely during the day,
then a chance of rain and snow showers likely sunday night. waves
2 to 4 feet building to 9 to 12 feet. waves occasionally around
15 feet. 
.monday...south gales to 40 knots becoming west. rain and snow
showers. waves 9 to 12 feet building to 15 to 19 feet. waves
occasionally around 24 feet. 

$$

fzus61 kcle 120805
glfle 
expires:202603121415;;064218

open lake forecast for lake erie
national weather service cleveland oh
405 am edt thu mar 12 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 30.10 inches will persist over the lake today. 
strong low pressure 29.00 inches will move east through the great
lakes on friday, extending a cold front across the lake friday 
night. high pressure 30.30 inches will enter the region on 
saturday. a warm front will lift north across the lake on sunday,
followed by another strong low pressure system 29.10 inches and
cold front sunday night into monday.


lez162>164-121415-
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-
405 am edt thu mar 12 2026

...gale warning in effect from friday morning through late friday
night...
...low water advisory in effect from 8 am friday to 4 am edt
saturday...

.today...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain after midnight. a chance of rain and
snow late. waves 1 to 2 feet building to 2 to 4 feet. 
.friday...south winds to 30 knots becoming west and increasing to
35 knot gales in the afternoon. a chance of rain and snow in the
morning, then a chance of rain in the afternoon. waves 5 to
8 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.friday night...west gales to 35 knots diminishing to 15 to
25 knots. waves 5 to 9 feet subsiding to 3 to 6 feet. waves
occasionally around 11 feet. 
.saturday...northwest winds 15 to 20 knots becoming east. snow
likely saturday night. waves 2 to 4 feet. 
.sunday...east winds 15 to 20 knots becoming south and increasing
to 30 knots. a chance of rain and snow during the day, then rain
and snow sunday night. waves 3 to 5 feet building to 5 to 8 feet.
waves occasionally around 10 feet. 
.monday...southwest gales to 35 knots becoming west and
diminishing to 30 knots. a chance of snow and rain during the
day. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 

$$

fzus61 kcle 120805
glfle 
expires:202603121415;;064219

open lake forecast for lake erie
national weather service cleveland oh
405 am edt thu mar 12 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 30.10 inches will persist over the lake today. 
strong low pressure 29.00 inches will move east through the great
lakes on friday, extending a cold front across the lake friday 
night. high pressure 30.30 inches will enter the region on 
saturday. a warm front will lift north across the lake on sunday,
followed by another strong low pressure system 29.10 inches and
cold front sunday night into monday.


lez165>167-121415-
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-
405 am edt thu mar 12 2026

...gale warning in effect from friday morning through late friday
night...

.today...west winds 15 to 20 knots diminishing to 10 to 15 knots.
waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming south 15 to
20 knots. a chance of snow with a slight chance of rain late.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday...south winds to 30 knots becoming southwest and
increasing to 35 knot gales in the afternoon. a chance of snow
and rain in the morning, then a chance of rain in the afternoon.
waves 5 to 8 feet building to 9 to 13 feet. waves occasionally
around 16 feet. 
.friday night...west gales to 40 knots diminishing to 30 knots
overnight. waves 10 to 13 feet subsiding to 6 to 9 feet. waves
occasionally around 16 feet. 
.saturday...west winds 15 to 20 knots becoming east. a chance of
snow saturday night. waves 4 to 7 feet subsiding to 2 to 4 feet.
waves occasionally around 9 feet. 
.sunday...east winds 15 to 20 knots becoming south and increasing
to 35 knot gales. a chance of rain and snow during the day, then
rain sunday night. waves 3 to 6 feet building to 9 to 12 feet.
waves occasionally around 15 feet. 
.monday...southwest gales to 40 knots becoming west to 35 knots.
rain and snow likely during the day, then a chance of snow monday
night. waves 10 to 14 feet subsiding to 6 to 9 feet. waves
occasionally around 18 feet. 

$$

fzus61 kcle 120805
glfle 
expires:202603121415;;064220

open lake forecast for lake erie
national weather service cleveland oh
405 am edt thu mar 12 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 30.10 inches will persist over the lake today. 
strong low pressure 29.00 inches will move east through the great
lakes on friday, extending a cold front across the lake friday 
night. high pressure 30.30 inches will enter the region on 
saturday. a warm front will lift north across the lake on sunday,
followed by another strong low pressure system 29.10 inches and
cold front sunday night into monday.


lez061-168-169-121415-
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-
405 am edt thu mar 12 2026

...gale warning in effect from friday afternoon through late
friday night...

.today...west winds 15 to 20 knots. a slight chance of snow early
this afternoon. waves in ice free areas 3 to 5 feet subsiding to
2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming south. a slight
chance of snow late. waves 1 to 3 feet. 
.friday...south winds 15 to 25 knots becoming southwest and
increasing to 35 knot gales in the afternoon. snow and rain
likely in the morning, then snow likely with a chance of rain in
the afternoon. waves 2 to 4 feet building to 8 to 11 feet. waves
occasionally around 14 feet. 
.friday night...southwest gales to 35 knots becoming west and
diminishing to 30 knots overnight. a chance of rain in the
evening. waves 7 to 11 feet subsiding to 6 to 9 feet. waves
occasionally around 14 feet. 
.saturday...west winds 15 to 25 knots becoming east 15 to
20 knots. a chance of snow saturday night. waves 4 to 7 feet
subsiding to 2 feet or less. waves occasionally around 9 feet. 
.sunday...east winds 15 to 20 knots becoming south and increasing
to 35 knot gales. a chance of rain and snow during the day, then
rain likely sunday night. waves 1 to 3 feet building to 3 to
6 feet. 
.monday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales. rain and snow likely during the day,
then a chance of snow monday night. waves 7 to 11 feet subsiding
to 5 to 8 feet. waves occasionally around 14 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 120749
glfsc 
expires:202603121600;;063412

lake st clair forecast
national weather service detroit/pontiac mi
349 am edt thu mar 12 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 brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lcz460-121600-
lake st clair-
349 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 10 to 15 knots. mostly sunny. waves 2 feet
or less.
.tonight...west winds 10 to 15 knots becoming southwest 5 to 10
knots late in the evening...then becoming south 10 to 15 knots after
midnight increasing to 20 to 25 knots with gusts to 30 knots early
in the morning. partly cloudy in the evening.. then mostly cloudy
with a chance of light snow after midnight. mostly cloudy with a
light rain and snow likely early in the morning. waves 2 feet or
less.
.friday...southwest winds to 30 knots veering to the west early in
the afternoon. gusts to 45 knot gales. light snow early in the
morning...then a chance of light rain and snow in the late morning
and early afternoon. waves 3 to 5 feet. waves occasionally around 7
feet.
.friday night...west winds to 30 knots with gusts to 40 knot gales
becoming northwest 15 to 20 knots. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.saturday...northwest winds 10 to 15 knots becoming west 5 to 10
knots in the afternoon...then backing to the southeast in the
evening. partly sunny becoming mostly cloudy. a chance of light snow
in the evening. waves 2 feet or less.
.sunday...south winds to 30 knots with gusts to 35 knot gales. light
rain with snow likely. waves 2 to 4 feet. a gale warning may be 
needed.
.monday...west at 35 knot gales with gusts to 40 knot gales. light
rain and snow. waves 4 to 6 feet. waves occasionally around 8 feet.

$$

fzus63 kdtx 120748
glflh 
expires:202603121600;;063407

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt thu mar 12 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 brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lhz462>464-121600-
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-
348 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 20 to 25 knots with gusts to around
30 knots becoming west 10 to 15 knots. waves 8 to 12 feet
subsiding to 4 to 6 feet late in the afternoon. waves
occasionally around 15 feet. 
.tonight...north winds 5 to 10 knots veering to the southeast
after midnight...then becoming south 15 to 20 knots with gusts to
35 knot gales early in the morning. a chance of snow after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight...then building to 4 to 6 feet early in the morning.
waves occasionally around 8 feet. 
.friday...south at 35 knot gales becoming southwest to 30 knots
in the late morning and afternoon. gusts to 45 knot gales. snow
and rain in the morning...then a chance of rain and snow in the
afternoon. waves 10 to 14 feet subsiding to 8 to 12 feet early in
the afternoon. waves occasionally around 18 feet. 
.friday night...west winds to 30 knots with gusts to 40 knot
gales. waves 10 to 14 feet. waves occasionally around 18 feet. 
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the morning...then
becoming northwest 10 to 15 knots late in the afternoon veering
to the east late in the evening. a chance of snow late in the
evening. waves 6 to 9 feet subsiding to 1 to 3 feet. waves
occasionally around 12 feet. 
.sunday...east winds 15 to 20 knots increasing to 35 knot gales
with gusts to 40 knot gales. a chance of snow early in the
morning...then freezing rain until early evening. rain and snow.
waves 4 to 6 feet building to 10 to 14 feet. waves occasionally
around 18 feet. a gale warning may be needed. 
.monday...south at 35 knot gales veering to the west. gusts to 40
knot gales. rain...snow and freezing rain early in the 
morning...then a chance of rain until early evening. a chance of 
snow. heavy freezing spray. waves 12 to 16 feet. waves 
occasionally around 20 feet. 


$$

fzus63 kdtx 120748
glflh 
expires:202603121600;;063406

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt thu mar 12 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 brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lhz363-121600-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
348 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 20 to 25 knots with gusts to around
30 knots becoming west 10 to 15 knots. waves 8 to 12 feet
subsiding to 5 to 7 feet late in the afternoon. waves
occasionally around 15 feet. 
.tonight...northwest winds 5 to 10 knots backing to the southwest
late in the evening...then becoming southeast 10 to 15 knots
after midnight increasing to 20 to 25 knots with gusts to 35 knot
gales early in the morning. snow after midnight. snow may be
heavy at times after midnight. waves 3 to 5 feet subsiding to
1 to 3 feet after midnight...then building to 5 to 7 feet early
in the morning. waves occasionally around 10 feet. 
.friday...southeast at 35 knot gales with gusts to 45 knot gales
becoming south to 30 knots with gusts to 40 knot gales in the
late morning and early afternoon...then becoming southwest 20 to
25 knots with gusts to 35 knot gales early in the afternoon. snow
with rain likely in the morning...then rain likely and a chance
of snow in the afternoon. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.friday night...west winds to 30 knots becoming northwest 20 to
25 knots after midnight. gusts to 40 knot gales. freezing spray
after midnight. waves 10 to 14 feet. waves occasionally around
18 feet. 
.saturday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the morning...then becoming northwest 10 to
15 knots late in the afternoon veering to the east late in the
evening. freezing spray in the morning. a chance of snow late in
the evening. waves 8 to 12 feet subsiding to 1 to 3 feet. waves
occasionally around 15 feet. 
.sunday...east winds 15 to 20 knots increasing to 35 knot gales
with gusts to 40 knot gales. snow. rain and freezing rain. waves 
3 to 5 feet building to 15 to 20 feet. waves occasionally around 
25 feet. a gale warning may be needed. 
.monday...southeast at 35 knot gales veering to the southwest at
40 knot gales until early evening...then veering to the west at
35 knot gales by midnight. rain...snow and freezing rain early in
the morning...then a chance of rain in the late morning and early
afternoon. a chance of snow. heavy freezing spray. waves 15 to 20
feet. waves occasionally around 25 feet. 


$$

fzus63 kdtx 120748
glflh 
expires:202603121600;;063405

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt thu mar 12 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 brief ridge of high pressure, 30.10 inches, will
fill in across the great lakes this afternoon. a strong low
pressure system, 29.10 inches, then enters northern lower
michigan and northern lake huron tomorrow morning. this will
bring widespread gales to the great lakes. a gale warning is in
effect. the low quickly moves out friday night with high pressure
building back in on saturday.


lhz361-362-121600-
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-
348 am edt thu mar 12 2026

...gale warning in effect from late tonight through late friday
night...

.today...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
afternoon. waves 8 to 12 feet subsiding to 5 to 7 feet late in
the afternoon. waves occasionally around 15 feet. 
.tonight...west winds 5 to 10 knots becoming southeast 10 to
15 knots after midnight...then increasing to 20 to 25 knots with
gusts to 35 knot gales early in the morning. snow after midnight.
snow may be heavy at times after midnight. waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight...then building to 6 to
9 feet early in the morning. waves occasionally around 12 feet. 
.friday...southeast at 35 knot gales with gusts to 45 knot gales
decreasing to 20 to 25 knots with gusts to 35 knots in the late 
morning and early afternoon...then becoming northwest 20 to 30 
knots with gusts to around 40 knots in the afternoon. snow in the 
morning...then snow likely in the afternoon. snow may be heavy at 
times in the morning. waves 12 to 16 feet. waves occasionally 
around 20 feet. 
.friday night...west winds to 30 knots veering to the northwest
by midnight...then decreasing to 20 to 25 knots after midnight.
gusts to 35 knot gales. freezing spray after midnight. waves
10 to 14 feet. waves occasionally around 18 feet. 
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the morning...then
becoming west 5 to 10 knots late in the afternoon backing to the
southeast late in the evening. freezing spray in the morning.
waves 8 to 12 feet subsiding to 1 to 3 feet. waves occasionally
around 15 feet. 
.sunday...east winds 15 to 20 knots becoming northeast at 40 knot
gales with gusts to 45 knot gales. snow, rain. freezing rain by
midnight. freezing spray. waves 3 to 5 feet building to 18 to 23 
feet. waves occasionally around 28 feet. a gale warning may be 
needed. 
.monday...north at 40 knot gales backing to the west. gusts to 45
knot gales. heavy freezing spray. snow and rain early in the 
morning. rain likely in the late morning and early afternoon. a 
chance of snow. waves 20 to 25 feet. waves occasionally around 32 
feet. 

wave heights are for ice free areas.

$$