fzus61 kbuf 151402
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expires:202608152100;;234155

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat aug 15 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 30.2 inch ridge will impact lake ontario today before the ridge 
begins to exit eastward tonight. a 29.7 inch low will move southeast 
from the northern great lakes to southern new england tonight 
through monday. a warm front will drift northeast across lake 
ontario late sunday before a cold front sweeps east across the lake 
sunday night. behind the cold front, a trough averaging 29.8 inches 
should linger over lake ontario monday. a 30.o inch high should 
build from the upper midwest monday night and traverse lake ontario 
tuesday. this ridge should exit slowly eastward tuesday night 
through wednesday as a cold front approaches from the northwest.


loz062-152100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sat aug 15 2026

.this afternoon...east winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...east winds 10 to 15 knots becoming southeast. waves
1 to 3 feet. 
.sunday...southeast winds 5 to 15 knots becoming east. a chance
of showers in the afternoon. waves 1 to 3 feet. 
.sunday night...southeast winds 10 knots or less becoming
northwest. a chance of showers. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots. waves 1 foot or less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots becoming northwest.
showers likely. waves 1 to 3 feet. 

$$

fzus61 kbuf 151402
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat aug 15 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 30.2 inch ridge will impact lake ontario today before the ridge 
begins to exit eastward tonight. a 29.7 inch low will move southeast 
from the northern great lakes to southern new england tonight 
through monday. a warm front will drift northeast across lake 
ontario late sunday before a cold front sweeps east across the lake 
sunday night. behind the cold front, a trough averaging 29.8 inches 
should linger over lake ontario monday. a 30.o inch high should 
build from the upper midwest monday night and traverse lake ontario 
tuesday. this ridge should exit slowly eastward tuesday night 
through wednesday as a cold front approaches from the northwest.


loz063>065-152100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sat aug 15 2026

.this afternoon...east winds 5 to 10 knots becoming northeast.
waves 1 foot or less. 
.tonight...northeast winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 15 knots. showers likely with a
chance of thunderstorms in the afternoon. waves 2 feet or less. 
.sunday night...southeast winds 10 to 15 knots becoming
northwest. showers with a chance of thunderstorms in the evening,
then showers overnight. waves 2 feet or less. 
.monday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming west. a chance of
showers during the day, then showers likely wednesday night.
waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151348
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open lake forecast for lake erie
national weather service cleveland oh
948 am edt sat aug 15 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 warm front will lift across the region tonight into sunday as 
low pressure 29.90 inches moves east across the upper great lakes.
this low will push a cold front across lake erie as it moves east
into southern quebec. high pressure 30.10 inches will build across
the region monday and tuesday before the next cold front 
approaches from the west on wednesday.


lez162>164-152015-
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-
948 am edt sat aug 15 2026

.this afternoon...southeast winds 5 to 10 knots becoming east. a
slight chance of showers. waves 1 foot or less. 
.tonight...east winds around 10 knots becoming south. showers
likely with a chance of thunderstorms in the evening, then a
chance of showers with a slight chance of thunderstorms after
midnight. waves 2 feet or less. 
.sunday...west winds 10 to 15 knots. a chance of showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. waves 1 to 2 feet. 
.sunday night...west winds 10 to 15 knots becoming northwest. a
chance of showers and thunderstorms in the evening. waves 1 to
2 feet. 
.monday...north winds 5 to 15 knots becoming southwest less than
10 knots. waves 2 feet or less. 
.tuesday...west winds 5 to 15 knots becoming southwest. waves
1 foot or less. 
.wednesday...southwest winds 10 to 15 knots becoming north. a
chance of showers and thunderstorms during the day, then a chance
of showers wednesday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151348
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open lake forecast for lake erie
national weather service cleveland oh
948 am edt sat aug 15 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 warm front will lift across the region tonight into sunday as 
low pressure 29.90 inches moves east across the upper great lakes.
this low will push a cold front across lake erie as it moves east
into southern quebec. high pressure 30.10 inches will build across
the region monday and tuesday before the next cold front 
approaches from the west on wednesday.


lez165>167-152015-
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-
948 am edt sat aug 15 2026

.this afternoon...east winds 10 knots or less. a slight chance of
showers early. waves 1 foot or less. 
.tonight...east winds 10 to 15 knots becoming southeast. a chance
of showers with a slight chance of thunderstorms in the evening,
then a chance of showers and thunderstorms after midnight. waves
1 to 3 feet. 
.sunday...south winds 10 to 15 knots becoming west. a chance of
showers. waves 1 to 3 feet. 
.sunday night...west winds 10 to 15 knots becoming northwest. a
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. waves 2 to 3 feet. 
.monday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less. 
.wednesday...southwest winds 15 to 20 knots becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers wednesday night. waves 1 to 3 feet building to 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151348
glfle 
expires:202608152015;;233763

open lake forecast for lake erie
national weather service cleveland oh
948 am edt sat aug 15 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 warm front will lift across the region tonight into sunday as 
low pressure 29.90 inches moves east across the upper great lakes.
this low will push a cold front across lake erie as it moves east
into southern quebec. high pressure 30.10 inches will build across
the region monday and tuesday before the next cold front 
approaches from the west on wednesday.


lez061-168-169-152015-
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-
948 am edt sat aug 15 2026

.this afternoon...east winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.tonight...east winds 5 to 15 knots becoming southeast. a slight
chance of showers after midnight. a slight chance of showers and
thunderstorms late. waves 2 feet or less. 
.sunday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers. waves 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet. 
.tuesday...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers wednesday night. waves 1 to 3 feet building to 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt sat aug 15 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...high pressure, 30.20 inches, currently centered over
northern lake huron will hold most of the day before sliding
southeast through the eastern lakes. the next low pressure system
will pass through the region tonight and sunday bringing the next
thunderstorm chances.


lhz362-363-152145-
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-
944 am edt sat aug 15 2026

.rest of today...east winds 5 to 10 knots. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots increasing to 10 to 15 knots
by midnight...then veering to the southeast early in the morning.
waves 1 to 3 feet building to 2 to 4 feet after midnight. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. a chance of showers in the
afternoon. waves 2 to 4 feet. 
.sunday night...northwest winds 5 to 10 knots increasing to 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet. 
.monday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon becoming west 5 to 10 knots late in the
evening. waves 3 to 5 feet subsiding to 2 feet or less late in
the afternoon. 
.tuesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots until early evening...then becoming southwest 5 to
10 knots by midnight. a chance of showers until early evening.
rain showers likely by midnight. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots by midnight. showers likely early in the morning...
then a chance of showers and thunderstorms until early evening.
waves 1 to 3 feet building to 3 to 5 feet. 


$$

fzus63 kdtx 151344
glflh 
expires:202608152145;;233620

open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt sat aug 15 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...high pressure, 30.20 inches, currently centered over
northern lake huron will hold most of the day before sliding
southeast through the eastern lakes. the next low pressure system
will pass through the region tonight and sunday bringing the next
thunderstorm chances.


lhz361-152145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
944 am edt sat aug 15 2026

.rest of today...east winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 2 feet or less. 
.tonight...southeast winds 10 to 15 knots. waves 2 to 4 feet. 
.sunday...south winds 5 to 10 knots veering to the west early in
the afternoon. a chance of showers. waves 2 to 4 feet. 
.sunday night...northwest winds 10 to 15 knots increasing to
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. waves 3 to 5 feet. 
.monday...northwest winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the west . a chance of showers. rain showers likely by
midnight. waves 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots increasing to 15 to
20 knots. showers likely early in the morning...then a chance of
showers until early evening. waves 1 to 3 feet building to 3 to
5 feet . 


$$

fzus63 kdtx 151344
glflh 
expires:202608152145;;233622

open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt sat aug 15 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...high pressure, 30.20 inches, currently centered over
northern lake huron will hold most of the day before sliding
southeast through the eastern lakes. the next low pressure system
will pass through the region tonight and sunday bringing the next
thunderstorm chances.


lhz462>464-152145-
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-
944 am edt sat aug 15 2026

.rest of today...east winds 5 to 10 knots late in the morning
becoming light and variable...then becoming east 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots becoming southeast 10 to
15 knots late in the evening...then increasing to 15 to 20 knots
after midnight decreasing to 10 to 15 knots early in the morning.
waves 1 to 3 feet building to 2 to 4 feet after midnight. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and afternoon. 
.sunday night...west winds 5 to 10 knots becoming northwest 15 to
20 knots. waves 2 feet or less building to 3 to 5 feet in the
late evening and overnight. 
.monday...northwest winds 10 to 15 knots becoming light and
variable. waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon. 
.tuesday...south winds 5 to 10 knots increasing to 10 to 15 knots
by midnight. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots veering to the north
by midnight. showers likely until afternoon. a chance of
thunderstorms until early evening. waves 1 to 3 feet building to
3 to 5 feet. 


$$

fzus63 kdtx 151344
glfsc 
expires:202608152145;;233624

lake st clair forecast
national weather service detroit/pontiac mi
944 am edt sat aug 15 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...high pressure, 30.20 inches, currently centered over
northern lake huron will hold most of the day before sliding
southeast through the eastern lakes. the next low pressure system
will pass through the region tonight and sunday bringing the next
thunderstorm chances.


lcz460-152145-
lake st clair-
944 am edt sat aug 15 2026

.rest of today...light and variable winds becoming southeast 5 to 10
knots in the afternoon. partly sunny late in the morning becoming
mostly cloudy. waves 2 feet or less.
.tonight...southeast winds 10 to 15 knots becoming south 5 to 10
knots early in the morning. mostly cloudy becoming partly cloudy. a
chance of light showers in the evening. waves 2 feet or less.
.sunday...southwest winds 5 to 10 knots veering to the west early in
the afternoon. partly sunny. a chance of showers and thunderstorms
early in the afternoon. waves 2 feet or less.
.sunday night...northwest winds 5 to 10 knots increasing to 10 to 15
knots in the late evening and overnight. partly cloudy. a chance of
showers and thunderstorms early in the evening. waves 2 feet or
less.
.monday...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the afternoon...then veering to the northeast in the evening. mostly
clear in the morning then clearing. waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. mostly clear. waves 2
feet or less.
.wednesday...northwest winds 15 to 20 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 2 feet or less.

$$