fzus61 kbuf 211403
glflo 
expires:202607212100;;350692

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue jul 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 29.3 inch low will be near james bay with multiple frontal 
boundaries crossing the lake today through tonight. a secondary cold 
front will cross the lake wednesday, with a 30.2 inch high building 
across the lower great lakes region wednesday night through friday. 
the high will move off the east coast saturday.


loz062-212100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt tue jul 21 2026

.rest of today...south winds 15 to 25 knots becoming southwest.
showers with a chance of thunderstorms. some thunderstorms may
produce gusty winds. waves 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms early, then a chance of showers
and thunderstorms late in the evening. some thunderstorms may
produce gusty winds in the evening. waves 3 to 5 feet. 
.wednesday...west winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.thursday...west winds 10 knots or less becoming southwest. waves
2 feet or less. 
.friday...south winds 10 knots or less becoming southeast. waves
1 foot or less. 
.saturday...south winds 10 knots or less becoming southwest.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 211953
glflh 
expires:202607220400;;366473

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt tue jul 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...a cold front tracks across the great lakes tonight
shifting winds to the northwest and diminishing thunderstorm
chances. a brief pop in wind gusts to gales will be possible
along the front. breezy northwest flow through mid-week before
high pressure fills in for the rest of the week.


lhz362-363-220400-
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-
353 pm edt tue jul 21 2026

.tonight...northwest winds to 30 knots decreasing to 20 to
25 knots early in the morning. isolated gusts to 35 knot gales. 
waves 10 to 14 feet. waves occasionally around 18 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots late in the afternoon.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday night...northwest winds 15 to 20 knots with gusts to
around 30 knots decreasing to 10 to 15 knots in the late evening
and overnight. waves 4 to 6 feet. 
.thursday...west winds 5 to 10 knots backing to the south early
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and afternoon. waves occasionally around 8 feet.
.thursday night...south winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. 
.saturday...south winds 5 to 10 knots increasing to 10 to
15 knots . a chance of showers by midnight. waves 1 to 3 feet
building to 2 to 4 feet . 
.sunday...southwest winds 5 to 10 knots backing to the east early
in the evening...then increasing to 10 to 15 knots by midnight. a
chance of showers early in the morning. a chance of showers .
waves 1 to 3 feet. 


$$

fzus63 kdtx 211953
glflh 
expires:202607220400;;366474

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt tue jul 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...a cold front tracks across the great lakes tonight
shifting winds to the northwest and diminishing thunderstorm
chances. a brief pop in wind gusts to gales will be possible
along the front. breezy northwest flow through mid-week before
high pressure fills in for the rest of the week.


lhz462>464-220400-
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-
353 pm edt tue jul 21 2026

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


$$