fzus61 kbuf 112003
glflo 
expires:202608120300;;016444

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt tue aug 11 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 weak 29.9 inch high will settle across the lake through wednesday 
morning, before a trough averaging 29.7 inches moves over the lake 
wednesday afternoon where it will linger through thursday. a cold 
front then sweeps across the lake thursday night, with a 30.2 inch 
high pressure ridge building in from the upper great lakes on 
friday, settling over the lower great lakes region on saturday. a 
low averaging 29.8 inches is expected to approaching the lake 
sunday.


loz062-120300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt tue aug 11 2026

.tonight...southwest winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.wednesday...northwest winds 10 knots or less becoming southwest.
a chance of showers and thunderstorms late. waves 1 foot or less.
.wednesday night...west winds 10 knots or less. a chance of
showers and thunderstorms in the evening. waves 1 foot or less. 
.thursday...west winds 5 to 10 knots. waves 1 foot or less. 
.thursday night...west winds 5 to 10 knots becoming north. waves
1 foot or less. 
.friday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.sunday...south winds 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 112003
glflo 
expires:202608120300;;016445

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt tue aug 11 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 weak 29.9 inch high will settle across the lake through wednesday 
morning, before a trough averaging 29.7 inches moves over the lake 
wednesday afternoon where it will linger through thursday. a cold 
front then sweeps across the lake thursday night, with a 30.2 inch 
high pressure ridge building in from the upper great lakes on 
friday, settling over the lower great lakes region on saturday. a 
low averaging 29.8 inches is expected to approaching the lake 
sunday.


loz063>065-120300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt tue aug 11 2026

.tonight...west winds 10 knots or less. waves 2 feet or less. 
.wednesday...west winds 10 knots or less. waves 1 foot or less. 
.wednesday night...west winds 5 to 10 knots. a chance of showers
and thunderstorms in the evening. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.thursday night...west winds 5 to 15 knots becoming north. waves
1 to 2 feet. 
.friday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.saturday...northeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.sunday...south winds 5 to 10 knots becoming west. a chance of
showers and thunderstorms. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111948
glfle 
expires:202608120230;;015922

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt tue aug 11 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 stationary front will continue to waver south of lake erie through
mid week with an area of low pressure 29.80 inches situated over 
the ohio valley. this will move south as a cold front thursday
and high pressure 30.20 inches builds into the region through
saturday evening. low pressure 29.90 inches moves into the region
on sunday with a cold front passing over the lake sunday evening. 


lez165>167-120230-
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 tue aug 11 2026

.tonight...west winds 10 knots or less. a chance of showers and
thunderstorms early, then a slight chance of showers and
thunderstorms late this evening. a slight chance of showers after
midnight. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots becoming west. a
slight chance of showers early. a slight chance of showers and
thunderstorms late. waves 1 foot or less. 
.wednesday night...west winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 
.thursday...east winds 10 knots or less becoming northwest. a
chance of showers. waves 1 foot or less. 
.thursday night...northwest winds 5 to 15 knots becoming
northeast. waves 2 feet or less. 
.friday...northeast winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.saturday...east winds 5 to 10 knots becoming southeast. a chance
of showers saturday night. waves 1 to 2 feet. 
.sunday...south winds 10 to 15 knots becoming northwest. showers
likely with a chance of thunderstorms during the day, then a
chance of showers sunday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111948
glfle 
expires:202608120230;;015923

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt tue aug 11 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 stationary front will continue to waver south of lake erie through
mid week with an area of low pressure 29.80 inches situated over 
the ohio valley. this will move south as a cold front thursday
and high pressure 30.20 inches builds into the region through
saturday evening. low pressure 29.90 inches moves into the region
on sunday with a cold front passing over the lake sunday evening. 


lez061-168-169-120230-
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 tue aug 11 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111948
glfle 
expires:202608120230;;015921

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt tue aug 11 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 stationary front will continue to waver south of lake erie through
mid week with an area of low pressure 29.80 inches situated over 
the ohio valley. this will move south as a cold front thursday
and high pressure 30.20 inches builds into the region through
saturday evening. low pressure 29.90 inches moves into the region
on sunday with a cold front passing over the lake sunday evening. 


lez162>164-120230-
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 tue aug 11 2026

.tonight...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms early, then a slight chance of
showers and thunderstorms late this evening. a slight chance of
showers after midnight. waves 1 foot or less. 
.wednesday...west winds 5 to 10 knots becoming southwest. a
slight chance of showers and thunderstorms in the afternoon.
waves 1 foot or less. 
.wednesday night...southwest winds 5 to 10 knots becoming
northwest. a chance of showers in the evening. waves 1 foot or
less. 
.thursday...east winds 10 knots or less. a chance of showers and
thunderstorms in the afternoon. waves 1 foot or less. 
.thursday night...southeast winds 5 to 10 knots becoming
northeast. a chance of showers. waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots becoming south. a chance of
showers and thunderstorms saturday night. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers sunday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 111945
glflh 
expires:202608120345;;015803

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt tue aug 11 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...a quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and
thunderstorms across the waters. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable over the next 2 days, but maintain an overall
northerly trend over lake huron and southerly toward western lake
erie.


lhz361-120345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 pm edt tue aug 11 2026

.tonight...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming west 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...northwest winds 5 to 10 knots becoming north
10 to 15 knots in the late evening and overnight. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots in the morning becoming light
and variable. waves 2 feet or less. 
.saturday...southeast winds 5 to 10 knots increasing to 10 to
15 knots . a chance of showers . waves 2 feet or less building to
2 to 4 feet . 
.sunday...southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon...then becoming
west 5 to 10 knots early in the evening becoming northwest 10 to
15 knots by midnight. a chance of showers until afternoon. waves
1 to 3 feet. 


$$

fzus63 kdtx 111945
glfsc 
expires:202608120345;;015801

lake st clair forecast
national weather service detroit/pontiac mi
345 pm edt tue aug 11 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...a quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and
thunderstorms across the waters. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable over the next 2 days, but maintain an overall
northerly trend over lake huron and southerly toward western lake
erie.


lcz460-120345-
lake st clair-
345 pm edt tue aug 11 2026

.tonight...light and variable winds veering to the northwest less
than 10 knots after midnight. mostly cloudy this evening becoming
mostly clear. a chance of showers and thunderstorms early in the 
evening. waves 2 feet or less.
.wednesday...light and variable winds becoming southwest 5 to 10
knots late in the morning...then backing to the south in the
afternoon. partly sunny. a chance of light showers late in the
afternoon. waves 2 feet or less.
.wednesday night...south winds 5 to 10 knots backing to the
northeast by midnight...then becoming light and variable after
midnight. partly cloudy. a chance of light showers early in the
evening. waves 2 feet or less.
.thursday...light and variable winds becoming east 5 to 10 knots
early in the afternoon. partly sunny. waves nearly calm.
.thursday night...northeast winds 5 to 10 knots increasing to 10 to
15 knots after midnight. mostly cloudy early in the evening becoming
partly cloudy. waves 2 feet or less.
.friday...northeast winds 10 to 15 knots increasing to 15 to 20
knots in the evening. mostly clear. waves 2 feet or less.
.saturday...southeast winds 10 to 15 knots. partly cloudy. a chance
of showers. waves 2 feet or less.
.sunday...northwest winds 10 to 15 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 111945
glflh 
expires:202608120345;;015804

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt tue aug 11 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...a quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and
thunderstorms across the waters. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable over the next 2 days, but maintain an overall
northerly trend over lake huron and southerly toward western lake
erie.


lhz362-363-120345-
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-
345 pm edt tue aug 11 2026

.tonight...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds. waves 2 feet or less. 
.wednesday night...light and variable winds becoming west 5 to
10 knots after midnight. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots veering to the north in
the late morning and afternoon. waves 2 feet or less. 
.thursday night...north winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 2 feet or less. 
.friday...north winds 10 to 15 knots becoming light and variable.
waves 2 feet or less. 
.saturday...southeast winds 5 to 10 knots increasing to 10 to
15 knots by midnight. a chance of showers . waves 2 feet or less.
.sunday...south winds 10 to 15 knots becoming west 5 to 10 knots
. a chance of showers. waves 1 to 3 feet. 


$$

fzus63 kdtx 111945
glflh 
expires:202608120345;;015805

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt tue aug 11 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...a quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and
thunderstorms across the waters. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable over the next 2 days, but maintain an overall
northerly trend over lake huron and southerly toward western lake
erie.


lhz462>464-120345-
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-
345 pm edt tue aug 11 2026

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


$$