fzus61 kbuf 191402
glflo 
expires:202608192100;;993713

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed aug 19 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 will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to new england by friday night. the high will 
then move into the canadian maritimes saturday, while an elongated 
29.7 inch low slowly makes its way from the central great lakes to 
western quebec saturday and sunday.


loz062-192100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed aug 19 2026

.rest of today...southwest winds 5 to 15 knots becoming west. a
chance of showers and thunderstorms late this morning, then a
chance of showers early this afternoon. waves 1 to 2 feet. 
.tonight...northwest winds 5 to 10 knots. waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then showers
likely with a chance of thunderstorms saturday night. waves 1 to
2 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 191402
glflo 
expires:202608192100;;993714

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed aug 19 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 will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to new england by friday night. the high will 
then move into the canadian maritimes saturday, while an elongated 
29.7 inch low slowly makes its way from the central great lakes to 
western quebec saturday and sunday.


loz063>065-192100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed aug 19 2026

.rest of today...southwest winds 10 to 15 knots becoming west.
showers likely with a chance of thunderstorms, then a chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.thursday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.thursday night...west winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers with a chance of thunderstorms saturday night. waves
1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers and thunderstorms sunday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 191947
glfle 
expires:202608200215;;008461

open lake forecast for lake erie
national weather service cleveland oh
347 pm edt wed aug 19 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 cold front will settle south of lake erie this evening as 
high pressure 30.10 inches builds into the region through friday.
low pressure 29.90 inches moves into the great lakes region on 
saturday with a cold front crossing late saturday night into 
sunday.


lez165>167-200215-
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-
347 pm edt wed aug 19 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 191947
glfle 
expires:202608200215;;008460

open lake forecast for lake erie
national weather service cleveland oh
347 pm edt wed aug 19 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 cold front will settle south of lake erie this evening as 
high pressure 30.10 inches builds into the region through friday.
low pressure 29.90 inches moves into the great lakes region on 
saturday with a cold front crossing late saturday night into 
sunday.


lez162>164-200215-
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-
347 pm edt wed aug 19 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 191947
glfle 
expires:202608200215;;008462

open lake forecast for lake erie
national weather service cleveland oh
347 pm edt wed aug 19 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 cold front will settle south of lake erie this evening as 
high pressure 30.10 inches builds into the region through friday.
low pressure 29.90 inches moves into the great lakes region on 
saturday with a cold front crossing late saturday night into 
sunday.


lez061-168-169-200215-
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-
347 pm edt wed aug 19 2026

.tonight...west winds 5 to 10 knots becoming northeast. waves
1 to 3 feet. 
.thursday...east winds 5 to 15 knots becoming northeast. a slight
chance of showers through early afternoon. waves 2 feet or less. 
.thursday night...northeast winds 10 knots or less becoming east.
waves 2 feet or less. 
.friday...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds 5 to 15 knots becoming west. showers with
a chance of thunderstorms. waves 1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming west. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 191950
glfsc 
expires:202608200400;;008568

lake st clair forecast
national weather service detroit/pontiac mi
350 pm edt wed aug 19 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, 30.00 inches, builds into the great
lakes through the end of the work week maintaining light winds. a
cold front then sweeps across the area friday into saturday,
bringing the next opportunity for showers and thunderstorms.


lcz460-200400-
lake st clair-
350 pm edt wed aug 19 2026

.tonight...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.thursday...northeast winds 5 to 10 knots. mostly sunny. waves 2
feet or less.
.thursday night...northeast winds 10 to 15 knots becoming east 5 to
10 knots in the late evening and overnight. clear. waves 2 feet or
less.
.friday...southeast winds 5 to 10 knots. mostly sunny. waves 2 feet
or less.
.friday night...southeast winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.saturday...southwest winds 5 to 10 knots veering to the northwest
in the evening. mostly sunny becoming partly cloudy. a chance of
light showers. a chance of thunderstorms in the afternoon and
evening. waves 2 feet or less.
.sunday...north winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.monday...northeast winds 10 to 15 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 191949
glflh 
expires:202608200400;;008562

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt wed aug 19 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, 30.00 inches, builds into the great
lakes through the end of the work week maintaining light winds. a
cold front then sweeps across the area friday into saturday,
bringing the next opportunity for showers and thunderstorms.


lhz462>464-200400-
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-
349 pm edt wed aug 19 2026

.tonight...light and variable winds. waves 2 feet or less. 
.thursday...light and variable winds becoming north 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.thursday night...northeast winds 5 to 10 knots veering to the
east after midnight. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.friday night...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.saturday...south winds 5 to 10 knots veering to the west late in
the afternoon...then becoming northwest 10 to 15 knots late in
the evening. showers. a chance of thunderstorms. a chance of
showers late in the afternoon. waves 2 feet or less building to
3 to 5 feet late in the evening. 
.sunday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. waves 4 to 6 feet. 
.monday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then veering to the north by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet . waves
occasionally around 8 feet. 


$$

fzus63 kdtx 191949
glflh 
expires:202608200400;;008560

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt wed aug 19 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, 30.00 inches, builds into the great
lakes through the end of the work week maintaining light winds. a
cold front then sweeps across the area friday into saturday,
bringing the next opportunity for showers and thunderstorms.


lhz361-200400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
349 pm edt wed aug 19 2026

.tonight...northwest winds 5 to 10 knots  becoming light and
variable. waves 2 feet or less. 
.thursday...light and variable winds. waves 2 feet or less. 
.thursday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots after midnight. waves 2 feet or less. 
.friday...south winds 10 to 15 knots. a chance of showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet early in the
afternoon. 
.friday night...southeast winds 10 to 15 knots becoming south
5 to 10 knots in the late evening and overnight. a chance of
showers. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.saturday...southwest winds 5 to 10 knots veering to the west
late in the morning...then becoming northwest 15 to 20 knots late
in the afternoon. a chance of showers. a chance of thunderstorms
late in the afternoon. waves 1 to 3 feet building to 3 to 5 feet
late in the afternoon. 
.sunday...northwest winds 15 to 20 knots with gusts to around
30 knots increasing to 20 to 25 knots with gusts to 30 knots 
early in the evening...then decreasing to 10 to 15 knots with 
gusts to around 30 knots by midnight. waves 4 to 6 feet. waves 
occasionally around 8 feet. 
.monday...northwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet.


$$

fzus63 kdtx 191949
glflh 
expires:202608200400;;008561

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt wed aug 19 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, 30.00 inches, builds into the great
lakes through the end of the work week maintaining light winds. a
cold front then sweeps across the area friday into saturday,
bringing the next opportunity for showers and thunderstorms.


lhz362-363-200400-
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-
349 pm edt wed aug 19 2026

.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable...then becoming northwest 5 to
10 knots early in the morning. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.thursday night...east winds 5 to 10 knots veering to the
southeast after midnight. waves 2 feet or less. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. waves 1 to 3 feet building to
3 to 5 feet early in the afternoon. 
.friday night...southeast winds 10 to 15 knots. a chance of
showers after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.saturday...southwest winds 5 to 10 knots becoming west 10 to
15 knots late in the afternoon...then becoming northwest 15 to
20 knots late in the evening. showers likely. a chance of
thunderstorms. waves 1 to 3 feet building to 3 to 5 feet late in
the afternoon. 
.sunday...northwest winds 15 to 20 knots with gusts to around
30 knots increasing to 20 to 25 knots with gusts to 30 knots 
early in the evening...then decreasing to 15 to 20 knots with 
gusts to around 30 knots by midnight. waves 5 to 7 feet. waves 
occasionally around 10 feet. 
.monday...northwest winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet . 


$$