fzus61 kbuf 200802
glflo 
expires:202608201500;;037966

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt thu aug 20 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 30.1 inch high over the upper great lakes will build 
southeast across southern ontario and quebec today and tonight, 
before sliding across new england friday, then into the canadian 
maritimes saturday. an elongated 29.7 inch low will slowly make its 
way from the central great lakes to western quebec saturday and 
sunday, then will wobble about western quebec through at least 
monday.


loz062-201500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt thu aug 20 2026

.today...north winds 10 knots or less becoming south. waves
1 foot or less. 
.tonight...west winds less than 10 knots becoming north. waves
1 foot or less. 
.friday...northeast winds 10 knots or less becoming east 10 to
15 knots. waves 2 feet or less. 
.friday night...east winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 
.saturday...southeast winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet building to 2 to 4 feet. 
.monday...west winds 10 to 15 knots. a chance of showers during
the day. waves 2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 200733
glflh 
expires:202608201545;;037003

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt thu aug 20 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>363-201545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
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-
333 am edt thu aug 20 2026

.today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds becoming east 5 to 10 knots
by midnight...then veering to the southeast early in the morning.
waves 2 feet or less. 
.friday...south winds 5 to 10 knots becoming southeast 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. waves 2 to
4 feet. 
.saturday...southwest winds 5 to 10 knots becoming northwest
10 to 15 knots late in the afternoon...then increasing to 15 to
20 knots late in the evening. showers...then a chance of showers
late in the afternoon. waves 1 to 3 feet building to 4 to 6 feet
late in the afternoon. waves occasionally around 8 feet. 
.sunday...northwest winds 15 to 20 knots increasing to 20 to
25 knots early in the evening...then decreasing to 15 to 20 knots
by midnight. gusts to 30 knots. a chance of showers early in the 
morning. waves 6 to 9 feet. waves occasionally around 12 feet.

.monday...northwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. waves 3 to 5 feet. 


$$

fzus63 kdtx 200733
glflh 
expires:202608201545;;037004

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt thu aug 20 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>464-201545-
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-
333 am edt thu aug 20 2026

.today...light and variable winds becoming north 5 to 10 knots.
waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots veering to the east
early in the morning. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.friday night...east winds 5 to 10 knots becoming southeast 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 northwest
late in the afternoon...then increasing to 15 to 20 knots late in
the evening. a chance of showers in the morning...then showers
and a chance of thunderstorms late in the morning. a chance of
showers late in the evening. waves 1 to 3 feet building to 4 to
6 feet late in the evening. waves occasionally around 8 feet. 
.sunday...northwest winds 15 to 20 knots. gusts to 30 knots until
early evening. a chance of showers. a chance of thunderstorms
early in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.monday...northwest winds 10 to 15 knots becoming north 5 to
10 knots . waves 3 to 5 feet subsiding to 1 to 3 feet by
midnight. 


$$

fzus63 kdtx 200149
glflh 
expires:202608201000;;022085

open lake forecast for lake huron
national weather service detroit/pontiac mi
949 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.


lhz362-363-201000-
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-
949 pm edt wed aug 19 2026

.rest of tonight...light and variable winds 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 35 knot gales
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 . 


$$