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fzus61 kbuf 212333
glflo 
839 

open lake forecast for lake ontario
national weather service buffalo ny
633 pm est thu jan 21 2021

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 29.1 inch low south of james bay will move to 
southern quebec by tonight while filling to 29.4 inches. the low 
will weaken further across quebec friday before giving way to 
another 29.4 inch low east of nova scotia friday night. meanwhile 
a 30.4 inch high will build from the upper mississippi valley 
friday night to the central great lakes saturday then to the 
eastern great lakes sunday.

loz062-220430-
lake ontario open waters from the niagara river to hamlin beach-
633 pm est thu jan 21 2021

.tonight...southwest winds 20 to 25 knots becoming west. lake
effect snow showers likely. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.friday...west winds 15 to 25 knots becoming northwest. lake
effect snow showers likely in the morning, then lake effect snow
in the afternoon. waves 4 to 7 feet. waves occasionally around
9 feet. 
.friday night...northwest winds 15 to 25 knots. a chance of snow
showers. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.saturday...northwest winds 15 to 20 knots. a chance of snow
showers. waves 3 to 6 feet. 
.saturday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 6 feet. 
.sunday...northwest winds 5 to 15 knots becoming northeast. waves
2 to 4 feet subsiding to 2 feet or less. 
.monday...northeast winds 10 to 15 knots. a chance of snow
showers. waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots becoming northwest. a
chance of snow showers during the day. waves 1 to 3 feet. 

$$
fzus61 kbuf 212333
glflo 

loz063>065-220430-
lake ontario open waters from hamlin beach to the saint lawrence
river-
633 pm est thu jan 21 2021

.tonight...southwest winds 15 to 25 knots becoming west. lake
effect snow. waves 5 to 9 feet. waves occasionally around
11 feet. 
.friday...west winds 15 to 25 knots increasing to 30 knots. lake
effect snow through early afternoon, then a chance of lake effect
snow showers late. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday night...northwest winds 15 to 25 knots. a chance of lake
effect snow showers. waves 5 to 9 feet subsiding to 4 to 7 feet.
waves occasionally around 11 feet. 
.saturday...northwest winds 15 to 25 knots. a chance of snow
showers. waves 4 to 7 feet. waves occasionally around 9 feet. 
.saturday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of snow showers in the evening. waves
5 to 8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.sunday...northwest winds 5 to 15 knots becoming northeast. waves
3 to 5 feet subsiding to 1 foot or less. 
.monday...northeast winds 5 to 15 knots. a chance of snow
showers. waves 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots becoming northwest. a chance
of snow showers during the day. waves 1 to 3 feet. 

$$
fzus61 kcle 212035
glfle 
504 

open lake forecast for lake erie
national weather service cleveland oh
335 pm est thu jan 21 2021

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...
low pressure of 29.20 inches will move east into southern quebec
tonight while weakening to 29.50 inches. this low will drag a 
cold front eastward across lake erie late tonight. a trough 
averaging 30.00 inches will linger over the great lakes on friday.
over the weekend, a ridge averaging 30.40 inches will build 
eastward over lake erie. on monday, low pressure 29.90 inches will
move from the southern plains towards the lower ohio valley.

lez162>164-220315-
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-
335 pm est thu jan 21 2021

.tonight...west winds 15 to 20 knots. a slight chance of rain and
snow showers after midnight. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.friday...northwest winds 15 to 20 knots becoming west. a slight
chance of snow showers. waves 2 to 4 feet building to 3 to
5 feet, then subsiding to 2 to 4 feet. 
.friday night...northwest winds 15 to 20 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. waves 1 to 3 feet. 
.saturday night...west winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming east. a chance
of snow showers. waves 1 foot or less. 
.monday...northeast winds 10 to 15 knots increasing to 15 to
25 knots. a chance of snow and rain during the day, then a chance
of snow monday night. waves 2 feet or less building to 3 to
5 feet. 
.tuesday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$
fzus61 kcle 212035
glfle 

lez165-166-220315-
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-
335 pm est thu jan 21 2021

.tonight...west winds 20 to 25 knots. a slight chance of rain
showers late this evening. a chance of rain and snow showers
after midnight. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday...northwest winds 15 to 20 knots becoming west. a chance
of rain showers with a slight chance of snow showers early, then
a slight chance of snow showers late in the morning. a chance of
snow showers in the afternoon. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.friday night...northwest winds 15 to 20 knots. waves 3 to
5 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.saturday night...northwest winds 10 knots or less becoming
southeast. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming east. a chance
of snow showers. waves 1 foot or less. 
.monday...east winds 10 to 15 knots becoming northeast and
increasing to 15 to 25 knots. a chance of snow and rain. waves
1 to 3 feet building to 3 to 6 feet. 
.tuesday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 

$$
fzus61 kcle 212035
glfle 

lez061-167>169-220315-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
335 pm est thu jan 21 2021

.tonight...west winds to 30 knots. a slight chance of rain
showers this evening, then a chance of rain and snow showers
after midnight. waves 6 to 10 feet subsiding to 5 to 7 feet.
waves occasionally around 13 feet. 
.friday...west winds 20 to 25 knots. a chance of snow and rain
showers early, then a slight chance of snow showers. a chance of
snow showers late. waves 4 to 7 feet. waves occasionally around
9 feet. 
.friday night...northwest winds 20 to 25 knots. a chance of snow
showers overnight. waves 3 to 6 feet. 
.saturday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.saturday night...northwest winds 5 to 15 knots becoming
northeast. waves 1 to 3 feet. 
.sunday...east winds 5 to 10 knots. a chance of snow showers.
waves 1 foot or less. 
.monday...east winds 10 to 15 knots becoming northeast and
increasing to 15 to 25 knots. a chance of snow and rain during
the day, then a chance of snow monday night. waves 1 to 3 feet
building to 3 to 6 feet. 
.tuesday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 

$$
fzus63 kdtx 212034
glfsc 
307 

lake st clair forecast
national weather service detroit/pontiac mi
334 pm est thu jan 21 2021

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 of 29.20 inches over eastern canada will
dive an arctic front through the central great lakes tonight.
this very cold airmass ushered in by strong northwest winds
around 30 knots, will support snow squalls over lake huron during
the day on friday. otherwise, high pressure of 30.40 inches will
slowly build into the region through saturday night.

lcz460-220930-
lake st clair-
334 pm est thu jan 21 2021

.tonight...west winds 15 to 25 knots. mostly cloudy this evening 
becoming partly cloudy. a chance of snow showers. waves 1 to 3 
feet.
.friday...northwest winds 15 to 25 knots. partly sunny. waves 1 to
3 feet.
.friday night...northwest winds 10 to 15 knots. partly cloudy. waves
2 feet or less.
.saturday...northwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon. mostly sunny. waves 2 feet or less.
.saturday night...light and variable winds becoming southeast 5 to
10 knots after midnight. partly cloudy in the evening becoming
cloudy. waves 2 feet or less.
.sunday...southeast winds 10 to 15 knots diminishing to 5 to 10
knots in the evening. cloudy. a chance of. waves 2 feet or less.
.monday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of snow. waves 2 feet or less.
.tuesday...north winds 15 to 20 knots. partly cloudy. a chance of
snow. waves 2 feet or less.

$$
fzus63 kdtx 212029
glflh 

lhz463-464-220915-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
329 pm est thu jan 21 2021

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


$$
fzus63 kdtx 212029
glflh 

lhz362-363-462-220915-
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-
lake huron from port austin to harbor beach beyond 5nm off shore-
329 pm est thu jan 21 2021

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


$$
fzus63 kdtx 212029
glflh 
749 

open lake forecast for lake huron
national weather service detroit/pontiac mi
329 pm est thu jan 21 2021

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 of 29.20 inches over eastern canada will
dive an arctic front through the central great lakes tonight.
this very cold airmass ushered in by strong northwest winds
around 30 knots, will support snow squalls over lake huron during
the day on friday. otherwise, high pressure of 30.40 inches will
slowly build into the region through saturday night.

lhz361-220915-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
329 pm est thu jan 21 2021

.tonight...west winds 15 to 20 knots becoming northwest 20 to
25 knots in the late evening and overnight. gusts to 30 knots. a
chance of snow showers. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.friday...northwest winds 15 to 20 knots with gusts to around
30 knots. waves 4 to 6 feet. waves occasionally around 8 feet. 
.friday night...northwest winds 15 to 20 knots with gusts to
around 30 knots decreasing to 10 to 15 knots after midnight.
waves 3 to 5 feet. 
.saturday...northwest winds 10 to 15 knots becoming light and
variable. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon. 
.saturday night...light and variable winds becoming southeast
5 to 10 knots in the late evening and overnight. waves 2 feet or
less. 
.sunday...southeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. a chance of snow in the morning.
waves 1 to 3 feet. 
.monday...light and variable winds becoming northeast 10 to
15 knots. waves 1 to 3 feet. 
.tuesday...north winds 10 to 15 knots. waves 1 to 3 feet. 


$$

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