fzus61 kbuf 081502
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon dec 8 2025

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 30.4 inch high will move across the lake this 
afternoon, and slide to the east tonight, and then move off the east 
coast tomorrow. a 29.5 inch low will move across the upper great 
lakes tuesday, then a stronger low averaging 29.3 inches will 
approach the region tuesday night and potentially move northwest of 
the lake wednesday. a 29.9 inch high is expected to move into the 
great lakes region thursday, followed by a 29.6 inch low which may 
approach the lake from the northwest late friday.


loz062-082200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est mon dec 8 2025

.this afternoon...north winds 10 knots or less becoming west.
waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...south winds 15 to 25 knots becoming southwest to
30 knots. snow showers in the afternoon. waves 1 to 3 feet
building to 5 to 9 feet. waves occasionally around 11 feet. 
.tuesday night...southwest winds to 30 knots diminishing to 15 to
25 knots. rain and snow showers. waves 5 to 9 feet subsiding to
3 to 6 feet. waves occasionally around 11 feet. 
.wednesday...south winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. rain showers during the day, then
snow and rain showers wednesday night. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow showers.
waves 3 to 6 feet subsiding to 2 to 3 feet. 
.friday...west winds 15 to 20 knots. a chance of snow showers
during the day, then snow showers likely friday night. waves 2 to
4 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 081502
glflo 
expires:202512082200;;224148

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est mon dec 8 2025

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 30.4 inch high will move across the lake this 
afternoon, and slide to the east tonight, and then move off the east 
coast tomorrow. a 29.5 inch low will move across the upper great 
lakes tuesday, then a stronger low averaging 29.3 inches will 
approach the region tuesday night and potentially move northwest of 
the lake wednesday. a 29.9 inch high is expected to move into the 
great lakes region thursday, followed by a 29.6 inch low which may 
approach the lake from the northwest late friday.


loz063-082200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est mon dec 8 2025

.this afternoon...north winds 5 to 10 knots becoming west. waves
1 to 3 feet subsiding to 1 foot or less. 
.tonight...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.tuesday...south winds 15 to 25 knots. snow showers in the
afternoon. waves 2 to 4 feet building to 3 to 6 feet. 
.tuesday night...southwest winds to 30 knots diminishing to 15 to
25 knots. snow and rain showers. waves 3 to 6 feet building to
4 to 7 feet, then subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.wednesday...south winds to 30 knots becoming northwest. rain
showers during the day, then snow and rain showers wednesday
night. waves 3 to 6 feet building to 6 to 10 feet. waves
occasionally around 13 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. a
chance of snow showers. waves 5 to 8 feet subsiding to 3 to
5 feet. waves occasionally around 10 feet. 
.friday...west winds 15 to 25 knots. a chance of snow showers
during the day, then snow showers likely friday night. waves 3 to
6 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
952 am est mon dec 8 2025

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...
high pressure 30.40 over the great lakes region today will slide 
quickly eastward tonight. low pressure of 29.50 inches tracks 
through the northern great lakes on tuesday, lifting a warm front 
across lake erie. strong low pressure of 29.10 inches tracks 
through the central great lakes on wednesday, dragging a strong 
cold front eastward across lake erie during the afternoon. behind 
the front, a trough averaging 29.90 inches lingers across the 
southern great lakes through friday.


lez164>167-082200-
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-
952 am est mon dec 8 2025

.this afternoon...northeast winds 15 to 20 knots becoming east
10 to 15 knots. waves 2 to 4 feet. 
.tonight...east winds 10 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...southwest winds 15 to 25 knots increasing to 30 knots.
snow in the morning, then snow with rain likely in the afternoon.
waves 3 to 6 feet building to 8 to 11 feet. waves occasionally
around 14 feet. 
.tuesday night...southwest winds to 30 knots becoming south and
increasing to 35 knot gales overnight. a chance of rain and snow
in the evening, then rain overnight. waves 7 to 11 feet building
to 9 to 12 feet. waves occasionally around 15 feet. 
.wednesday...west gales to 40 knots becoming northwest. rain
during the day, then a chance of snow and rain likely wednesday
night. waves 10 to 14 feet subsiding to 6 to 9 feet. waves
occasionally around 18 feet. 
.thursday...west winds 15 to 25 knots. a chance of snow. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.friday...west winds 15 to 25 knots increasing to 30 knots. snow
likely. waves 3 to 6 feet building to 8 to 11 feet. waves
occasionally around 14 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
952 am est mon dec 8 2025

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...
high pressure 30.40 over the great lakes region today will slide 
quickly eastward tonight. low pressure of 29.50 inches tracks 
through the northern great lakes on tuesday, lifting a warm front 
across lake erie. strong low pressure of 29.10 inches tracks 
through the central great lakes on wednesday, dragging a strong 
cold front eastward across lake erie during the afternoon. behind 
the front, a trough averaging 29.90 inches lingers across the 
southern great lakes through friday.


lez061-168-169-082200-
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-
952 am est mon dec 8 2025

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

$$

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open lake forecast for lake erie
national weather service cleveland oh
952 am est mon dec 8 2025

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...
high pressure 30.40 over the great lakes region today will slide 
quickly eastward tonight. low pressure of 29.50 inches tracks 
through the northern great lakes on tuesday, lifting a warm front 
across lake erie. strong low pressure of 29.10 inches tracks 
through the central great lakes on wednesday, dragging a strong 
cold front eastward across lake erie during the afternoon. behind 
the front, a trough averaging 29.90 inches lingers across the 
southern great lakes through friday.


lez162-163-082200-
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-
952 am est mon dec 8 2025

.this afternoon...northeast winds 10 to 15 knots becoming east.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots increasing to 30 knots.
a chance of snow in the morning. waves 2 to 4 feet building to
3 to 5 feet. 
.tuesday night...southwest winds to 30 knots. rain. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.wednesday...southwest winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. rain during the day, then a chance
of snow wednesday night. waves 4 to 7 feet subsiding to 2 to
4 feet. waves occasionally around 9 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.friday...west winds 15 to 25 knots increasing to 30 knots. a
chance of snow. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am est mon dec 8 2025

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...high pressure, 30.40 inches, over the midwest will
build east and reach the central great lakes this morning. the
next low pressure system will track through the northern great
lakes tonight into tuesday. an even stronger low, 29.30 inches,
is on track to move through lower michigan on on wednesday.


lhz361-362-082300-
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-
953 am est mon dec 8 2025

.rest of today...west winds 10 to 15 knots becoming southwest
5 to 10 knots early in the afternoon...then increasing to 10 to
15 knots late in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots increasing to 30 knots. a
chance of snow after midnight. waves 2 to 4 feet building to 8 to
12 feet. waves occasionally around 15 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots early in the
afternoon. snow in the morning...then a chance of snow in the
afternoon. waves 10 to 14 feet. waves occasionally around
18 feet. 
.tuesday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots in the late evening and overnight. a chance of
snow in the evening...then rain and a chance of snow after
midnight. waves 5 to 7 feet. waves occasionally around 10 feet. 
.wednesday...east winds 15 to 20 knots becoming north 20 to
25 knots late in the morning...then backing to the northwest with
gusts to around 30 knots late in the afternoon decreasing to
15 to 20 knots late in the evening. snow and rain likely in the
morning...then a chance of snow late in the morning. waves 6 to
9 feet building to 8 to 12 feet late in the afternoon. waves
occasionally around 15 feet. 
.thursday...west winds 15 to 20 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.friday...west winds 15 to 20 knots increasing to 20 to 25 knots
in the late evening and early morning. a chance of snow. waves
4 to 6 feet building to 6 to 9 feet in the late evening and early
morning. waves occasionally around 12 feet. 


$$

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lake st clair forecast
national weather service detroit/pontiac mi
953 am est mon dec 8 2025

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...high pressure, 30.40 inches, over the midwest will
build east and reach the central great lakes this morning. the
next low pressure system will track through the northern great
lakes tonight into tuesday. an even stronger low, 29.30 inches,
is on track to move through lower michigan on on wednesday.


lcz460-082300-
lake st clair-
953 am est mon dec 8 2025

.rest of today...east winds 5 to 10 knots. partly sunny. scattered
flurries late in the morning. waves 2 feet or less.
.tonight...southeast winds 5 to 10 knots becoming south 10 to 15
knots after midnight...then becoming southwest 15 to 20 knots early
in the morning. partly cloudy. waves 2 feet or less.
.tuesday...southwest winds 20 to 25 knots. light snow until late
afternoon. light freezing rain in the late morning and early
afternoon. waves 2 to 4 feet.
.tuesday night...southwest winds 20 to 25 knots becoming south at 35
knot gales. light snow likely until early morning. rain in the late
evening and overnight. waves 3 to 5 feet. waves occasionally around
7 feet.  a gale warning may be needed.
.wednesday...southwest winds to 30 knots becoming west 20 to 25
knots in the afternoon...then becoming northwest to 30 knots in the
evening. light rain. a chance of light snow in the afternoon and
evening. waves 3 to 5 feet. waves occasionally around 7 feet.
.thursday...west winds 20 to 25 knots. partly cloudy. waves 1 to 3
feet.
.friday...west winds to 30 knots. mostly cloudy with light snow
likely. waves 2 to 4 feet.

$$

fzus63 kdtx 081453
glflh 
expires:202512082300;;223686

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am est mon dec 8 2025

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...high pressure, 30.40 inches, over the midwest will
build east and reach the central great lakes this morning. the
next low pressure system will track through the northern great
lakes tonight into tuesday. an even stronger low, 29.30 inches,
is on track to move through lower michigan on on wednesday.


lhz363-462>464-082300-
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-
953 am est mon dec 8 2025

.rest of today...north winds 5 to 10 knots veering to the south
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet in
the afternoon. 
.tonight...southwest winds 10 to 15 knots becoming south 20 to
25 knots with gusts to around 30 knots. waves 2 to 4 feet
building to 8 to 12 feet. waves occasionally around 15 feet. 
.tuesday...south winds to 30 knots becoming southwest 20 to
25 knots early in the afternoon. snow. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.tuesday night...southwest winds 15 to 20 knots. a chance of snow
in the evening...then rain and snow after midnight. waves 6 to
9 feet. waves occasionally around 12 feet. 
.wednesday...south winds 20 to 25 knots backing to the north with
gusts to around 30 knots late in the morning...then increasing to
30 knots late in the afternoon becoming northwest 20 to 25 knots
late in the evening. rain with snow likely in the morning...then
a chance of rain late in the morning. a chance of snow late in
the morning. waves 8 to 12 feet building to 10 to 14 feet late in
the afternoon. waves occasionally around 18 feet. 
.thursday...west winds 15 to 20 knots. a chance of snow in the
late evening and early morning. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.friday...west winds 15 to 20 knots increasing to 30 knots. a
chance of snow until afternoon...then snow likely until early
morning. waves 4 to 6 feet building to 8 to 12 feet until early
morning. waves occasionally around 15 feet. 


$$