fzus61 kbuf 211402
glflo 
expires:202608212100;;109953

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri aug 21 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 southern quebec will slide across new england 
today, 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, while pushing its associated 
warm and cold fronts across the lake between saturday night and 
sunday morning. the low will wobble about western quebec through 
monday, then wil eject northeastward into labrador on tuesday while 
a 30.1 inch high builds eastward across the ohio valley.


loz062-212100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri aug 21 2026

.this afternoon...east winds 10 knots or less. waves 1 foot or
less. 
.tonight...east winds around 10 knots becoming southeast. waves
1 to 2 feet. 
.saturday...southeast winds 5 to 10 knots becoming east. a chance
of showers and thunderstorms in the afternoon. waves 1 foot or
less. 
.saturday night...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 increasing to 15 to 20 knots.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 3 to 5 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet. 
.tuesday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 211358
glflh 
expires:202608212200;;109715

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri aug 21 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, maintains influence
across the central and eastern great lakes today. the next low
pressure system then arrives saturday, dragging a cold front
across the area and increasing shower and thunderstorm chances.
post-frontal northwest flow leads to gusty winds sunday.


lhz361>363-212200-
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-
958 am edt fri aug 21 2026

.rest of today...southeast winds 10 to 15 knots. a chance of
showers in the afternoon. waves 1 to 3 feet building to 3 to
5 feet in the afternoon. 
.tonight...southeast winds 10 to 15 knots. a chance of showers. a
chance of waterspouts after midnight. waves 3 to 5 feet. 
.saturday...southwest winds 5 to 10 knots veering to the west
early in the afternoon. a chance of waterspouts in the morning. a
chance of showers. waves 2 to 4 feet subsiding to 1 to 3 feet
early in the afternoon. 
.saturday night...northwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. a chance of
showers. waves 4 to 6 feet. 
.sunday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots late in the evening. gusts to 30 knots. a chance of
showers in the morning. a chance of waterspouts in the morning.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.monday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet. 
.tuesday...west winds 5 to 10 knots backing to the south . waves
1 to 3 feet. 


$$

fzus63 kdtx 211358
glflh 
expires:202608212200;;109716

open lake forecast for lake huron
national weather service detroit/pontiac mi
958 am edt fri aug 21 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, maintains influence
across the central and eastern great lakes today. the next low
pressure system then arrives saturday, dragging a cold front
across the area and increasing shower and thunderstorm chances.
post-frontal northwest flow leads to gusty winds sunday.


lhz462>464-212200-
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-
958 am edt fri aug 21 2026

.rest of today...southeast winds 5 to 10 knots. waves 1 to
3 feet. 
.tonight...southeast winds 10 to 15 knots. a chance of showers
after midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.saturday...south winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. a chance of showers
in the morning...then showers and a chance of thunderstorms in
the afternoon. a chance of waterspouts. waves 1 to 3 feet. 
.saturday night...northwest winds 5 to 10 knots increasing to
15 to 20 knots in the late evening and overnight. showers likely.
waves 1 to 3 feet building to 5 to 7 feet in the late evening and
overnight. waves occasionally around 10 feet. 
.sunday...northwest winds 15 to 20 knots with gusts to around
30 knots increasing to 20 to 25 knots with gusts to around
30 knots late in the morning...then decreasing to 15 to 20 knots
with gusts to around 30 knots late in the afternoon. a chance of
waterspouts. showers likely in the morning. a chance of showers.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.monday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. a chance of showers early in the morning. waves 3 to
5 feet subsiding to 1 to 3 feet by midnight. 
.tuesday...west winds 5 to 10 knots backing to the south early in
the evening...then increasing to 10 to 15 knots by midnight.
waves 2 feet or less. 


$$