fzus61 kbuf 152002
glflo 
expires:202608160300;;249734

open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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 move east acorss new england 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. a 30.1 inch high will build across the eastern 
great lakes region thursday.


loz062-160300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat aug 15 2026

.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...southeast winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.sunday night...east winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.monday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. a chance of showers tuesday night. waves 2 feet or
less. 
.wednesday...west winds around 10 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.thursday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 152002
glflo 
expires:202608160300;;249735

open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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 move east acorss new england 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. a 30.1 inch high will build across the eastern 
great lakes region thursday.


loz063>065-160300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat aug 15 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151948
glfle 
expires:202608160230;;249373

open lake forecast for lake erie
national weather service cleveland oh
348 pm 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 move north across lake erie late tonight into
sunday morning. low pressure 29.80 inches will move across the
northern great lakes dragging a cold front across lake erie late
sunday night. high pressure 30.00 inches builds into the region
monday through tuesday night. another low pressure 29.80 inches
will move through the region on wednesday. 


lez162>164-160230-
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-
348 pm edt sat aug 15 2026

.tonight...east winds 5 to 15 knots becoming south. a chance of
showers with a slight chance of thunderstorms early, then showers
likely with a slight chance of thunderstorms. a chance of showers
late. waves 2 feet or less. 
.sunday...southwest winds 5 to 15 knots becoming west. a chance
of showers early, then showers likely with a slight chance of
thunderstorms late in the morning. showers 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, then a chance
of showers overnight. waves 1 to 2 feet. 
.monday...north winds 5 to 10 knots becoming northwest. a chance
of showers in the morning. waves 2 feet or less. 
.monday night...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 
.tuesday...west winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms tuesday night. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots becoming northeast.
showers likely with a chance of thunderstorms during the day.
waves 1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming east. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151948
glfle 
expires:202608160230;;249374

open lake forecast for lake erie
national weather service cleveland oh
348 pm 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 move north across lake erie late tonight into
sunday morning. low pressure 29.80 inches will move across the
northern great lakes dragging a cold front across lake erie late
sunday night. high pressure 30.00 inches builds into the region
monday through tuesday night. another low pressure 29.80 inches
will move through the region on wednesday. 


lez165>167-160230-
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-
348 pm edt sat aug 15 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 151948
glfle 
expires:202608160230;;249375

open lake forecast for lake erie
national weather service cleveland oh
348 pm 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 move north across lake erie late tonight into
sunday morning. low pressure 29.80 inches will move across the
northern great lakes dragging a cold front across lake erie late
sunday night. high pressure 30.00 inches builds into the region
monday through tuesday night. another low pressure 29.80 inches
will move through the region on wednesday. 


lez061-168-169-160230-
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-
348 pm edt sat aug 15 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 151959
glfsc 
expires:202608160400;;249568

lake st clair forecast
national weather service detroit/pontiac mi
359 pm 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 of 30.20 inches moves over the northeast
through sunday as low pressure of 29.6 inches moves east across
ontario. as the low tracks east, it will push a cold front across
the central great lakes region late sunday. this cold front
brings in a 6 to 8 hour bout of 20 to 25 knot northwest winds 
sunday evening into early monday morning and chances for 
thunderstorms sunday evening.


lcz460-160400-
lake st clair-
359 pm edt sat aug 15 2026

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

$$

fzus63 kdtx 151958
glflh 
expires:202608160400;;249469

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm 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 of 30.20 inches moves over the northeast
through sunday as low pressure of 29.6 inches moves east across
ontario. as the low tracks east, it will push a cold front across
the central great lakes region late sunday. this cold front
brings in a 6 to 8 hour bout of 20 to 25 knot northwest winds 
sunday evening into early monday morning and chances for 
thunderstorms sunday evening.


lhz462>464-160400-
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-
358 pm edt sat aug 15 2026

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


$$

fzus63 kdtx 151958
glflh 
expires:202608160400;;249468

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm 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 of 30.20 inches moves over the northeast
through sunday as low pressure of 29.6 inches moves east across
ontario. as the low tracks east, it will push a cold front across
the central great lakes region late sunday. this cold front
brings in a 6 to 8 hour bout of 20 to 25 knot northwest winds 
sunday evening into early monday morning and chances for 
thunderstorms sunday evening.


lhz362-363-160400-
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-
358 pm edt sat aug 15 2026

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


$$

fzus63 kdtx 151958
glflh 
expires:202608160400;;249467

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm 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 of 30.20 inches moves over the northeast
through sunday as low pressure of 29.6 inches moves east across
ontario. as the low tracks east, it will push a cold front across
the central great lakes region late sunday. this cold front
brings in a 6 to 8 hour bout of 20 to 25 knot northwest winds 
sunday evening into early monday morning and chances for 
thunderstorms sunday evening.


lhz361-160400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
358 pm edt sat aug 15 2026

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


$$