fzus61 kbuf 170802
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon aug 17 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 cold front sweeps eastward across lake ontario through this late 
morning. behind the front, a trough averaging 29.8 inches lingers 
over lake ontario today. a high pressure ridge averaging 30.0 inches 
builds from the upper midwest tonight and traverses lake ontario on 
tuesday. the ridge will begin to exit eastward tuesday night before 
a cold front sweeps southeastward across the lake wednesday. behind 
the cold front, a 30.1 inch high will build from the upper midwest 
through this friday.


loz062-171500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon aug 17 2026

.today...west winds 5 to 10 knots. waves 2 feet or less. 
.tonight...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.tuesday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tuesday night...southwest winds 10 to 15 knots. showers likely
overnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming northwest. showers
likely during the day, then a chance of showers wednesday night.
waves 1 to 2 feet. 
.thursday...northwest winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus61 kbuf 170802
glflo 
expires:202608171500;;336481

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon aug 17 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 cold front sweeps eastward across lake ontario through this late 
morning. behind the front, a trough averaging 29.8 inches lingers 
over lake ontario today. a high pressure ridge averaging 30.0 inches 
builds from the upper midwest tonight and traverses lake ontario on 
tuesday. the ridge will begin to exit eastward tuesday night before 
a cold front sweeps southeastward across the lake wednesday. behind 
the cold front, a 30.1 inch high will build from the upper midwest 
through this friday.


loz063>065-171500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon aug 17 2026

.today...southwest winds 5 to 15 knots becoming northwest. a
chance of showers and thunderstorms early, then a chance of
showers. waves 2 feet or less. 
.tonight...northwest winds 10 knots or less becoming north. waves
2 feet or less. 
.tuesday...north winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday night...west winds 5 to 15 knots becoming southwest. a
chance of showers overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming northwest.
showers likely during the day, then a chance of showers wednesday
night. waves 1 to 3 feet. 
.thursday...northwest winds 10 knots or less. waves 1 foot or
less. 
.friday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 170744
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
344 am edt mon aug 17 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...
high pressure 30.00 inches will build from the north today and 
move south of the lake on tuesday. a cold front will cross the 
lake on wednesday. high pressure 30.20 inches will build back over
the lake on thursday and friday.


lez165>167-171415-
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-
344 am edt mon aug 17 2026

.today...north winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.tonight...north winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...north winds 10 knots or less becoming west. waves
2 feet or less. 
.tuesday night...southwest winds 5 to 15 knots. showers likely
overnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming northeast. a
chance of showers. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 10 knots becoming east. waves
around 1 foot. 
.friday...east winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus61 kcle 170744
glfle 
expires:202608171415;;336001

open lake forecast for lake erie
national weather service cleveland oh
344 am edt mon aug 17 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...
high pressure 30.00 inches will build from the north today and 
move south of the lake on tuesday. a cold front will cross the 
lake on wednesday. high pressure 30.20 inches will build back over
the lake on thursday and friday.


lez061-168-169-171415-
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-
344 am edt mon aug 17 2026

.today...northwest winds 15 to 20 knots becoming west 5 to
15 knots. a slight chance of showers early. waves 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots becoming north less than
10 knots. waves 2 feet or less. 
.tuesday...north winds 10 knots or less becoming west. waves
2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots. showers likely
overnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming northeast. showers
likely during the day. waves 1 to 3 feet subsiding to 1 foot or
less. 
.thursday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.friday...east winds less than 10 knots becoming southeast. waves
1 foot or less. 

$$

fzus61 kcle 170744
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
344 am edt mon aug 17 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...
high pressure 30.00 inches will build from the north today and 
move south of the lake on tuesday. a cold front will cross the 
lake on wednesday. high pressure 30.20 inches will build back over
the lake on thursday and friday.


lez162>164-171415-
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-
344 am edt mon aug 17 2026

.today...north winds 5 to 15 knots becoming northwest less than
10 knots. a slight chance of showers this morning. waves 2 feet
or less. 
.tonight...north winds 10 knots or less becoming northwest. waves
1 foot or less. 
.tuesday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots. a chance of
showers overnight. waves 1 to 2 feet. 
.wednesday...west winds 5 to 15 knots becoming northeast. a
chance of showers during the day. waves 2 feet or less. 
.thursday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.friday...east winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus63 kdtx 170738
glflh 
expires:202608171545;;335820

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am edt mon aug 17 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...an area of low pressure, 29.80 inches, is tracking
east across ontario this afternoon and will pull a cold front
across the central great lakes region late this evening. this
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early monday morning and chances for
thunderstorms this afternoon and evening. high pressure, 30.20
inches, builds in behind the front for monday and most of
tuesday.


lhz361-171545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
338 am edt mon aug 17 2026

.today...northwest winds 5 to 10 knots backing to the west in the
afternoon. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots early in the evening becoming
light and variable...then becoming southwest 5 to 10 knots early
in the morning. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots veering to the west
early in the afternoon. a chance of showers and thunderstorms in
the afternoon. waves 1 to 3 feet. 
.tuesday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. a chance of showers. waves 1 to
3 feet. 
.wednesday...northwest winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the evening. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots backing to the west
early in the evening...then veering to the west 5 to 10 knots by
midnight. waves 2 feet or less. 
.friday...south winds 5 to 10 knots. a chance of showers by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 170738
glfsc 
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lake st clair forecast
national weather service detroit/pontiac mi
338 am edt mon aug 17 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...an area of low pressure, 29.80 inches, is tracking
east across ontario this afternoon and will pull a cold front
across the central great lakes region late this evening. this
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early monday morning and chances for
thunderstorms this afternoon and evening. high pressure, 30.20
inches, builds in behind the front for monday and most of
tuesday.


lcz460-171545-
lake st clair-
338 am edt mon aug 17 2026

.today...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and afternoon. partly sunny. waves 2 feet or less.
.tonight...northeast winds 5 to 10 knots this evening becoming light
and variable. mostly clear. waves 2 feet or less.
.tuesday...light and variable winds becoming southwest 5 to 10 knots
in the late morning and afternoon. mostly sunny. waves 2 feet or
less.
.tuesday night...southwest winds 10 to 15 knots. partly cloudy. a
chance of light showers ...then light showers likely after midnight.
waves 2 feet or less.
.wednesday...northwest winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon and evening. partly cloudy. light showers
likely in the morning...then a chance of light showers in the
afternoon. waves 2 feet or less.
.thursday...east winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.friday...south winds 5 to 10 knots. clear. waves 2 feet or less.

$$

fzus63 kdtx 170738
glflh 
expires:202608171545;;335821

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am edt mon aug 17 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...an area of low pressure, 29.80 inches, is tracking
east across ontario this afternoon and will pull a cold front
across the central great lakes region late this evening. this
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early monday morning and chances for
thunderstorms this afternoon and evening. high pressure, 30.20
inches, builds in behind the front for monday and most of
tuesday.


lhz362-363-171545-
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-
338 am edt mon aug 17 2026

.today...northwest winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet in the afternoon. 
.tonight...light and variable winds becoming southwest 5 to
10 knots early in the morning. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. a chance of showers
in the afternoon. waves 1 to 3 feet. 
.tuesday night...south winds 5 to 10 knots veering to the west by
midnight...then becoming northwest 10 to 15 knots after midnight.
a chance of showers and thunderstorms in the evening...then a
chance of showers after midnight. waves 1 to 3 feet. 
.wednesday...northwest winds 5 to 10 knots. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots veering to the east by
midnight. waves 2 feet or less. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
. waves 1 to 3 feet. 


$$

fzus63 kdtx 170738
glflh 
expires:202608171545;;335822

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 am edt mon aug 17 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...an area of low pressure, 29.80 inches, is tracking
east across ontario this afternoon and will pull a cold front
across the central great lakes region late this evening. this
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early monday morning and chances for
thunderstorms this afternoon and evening. high pressure, 30.20
inches, builds in behind the front for monday and most of
tuesday.


lhz462>464-171545-
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-
338 am edt mon aug 17 2026

.today...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon. waves 3 to 5 feet subsiding to 2 to 4 feet
late in the afternoon. 
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...south winds 5 to 10 knots becoming west 10 to
15 knots in the late evening and overnight. showers and a chance
of thunderstorms in the evening...then showers likely after
midnight. waves 1 to 3 feet. 
.wednesday...northwest winds 10 to 15 knots becoming north 5 to
10 knots late in the morning...then veering to the northeast late
in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots veering to the northeast by
midnight. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots becoming south 10 to
15 knots by midnight. waves 2 feet or less. 


$$