fzus61 kbuf 202003
glflo 
expires:202607210300;;306730

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon jul 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 30.0 inch area of high pressure will build across the great lakes 
this evening, followed by a warm front crossing the lake late 
tonight and another cold front tuesday night, with these fronts 
attached to a 29.4 inch area of low pressure near james bay. a 
secondary cold front will cross the lake wednesday, with a 30.1 inch 
high building across the lower great lakes region wednesday night 
through friday.


loz062-210300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt mon jul 20 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 210013
glflh 
expires:202607210815;;317790

open lake forecast for lake huron
national weather service detroit/pontiac mi
813 pm edt mon jul 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 influence wanes across the central great
lakes today with dry initial conditions, then a cold front passes
through tonight into tuesday. this leads to periods of showers
and thunderstorms. wet weather could persist on tuesday before
high pressure from alberta/manitoba builds in by tuesday evening
with a drying effect.


lhz362-363-210815-
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-
813 pm edt mon jul 20 2026

.rest of tonight...south winds 15 to 20 knots with gusts to
around 30 knots. patchy smoke this evening. a chance of
thunderstorms this evening...then a chance of showers and
thunderstorms after midnight. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tuesday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
west 15 to 20 knots with gusts to around 30 knots late in the
afternoon. a chance of showers. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tuesday night...northwest winds to 30 knots decreasing to 20 to
25 knots after midnight. 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. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 10 to 15 knots. waves 8 to 12 feet
subsiding to 5 to 7 feet after midnight. waves occasionally
around 15 feet. 
.thursday...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the south late in the
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the evening...then decreasing to 5 to 10 knots
by midnight. waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots becoming south 10 to
15 knots . waves 2 feet or less. 


$$

fzus63 kdtx 210013
glflh 
expires:202607210815;;317791

open lake forecast for lake huron
national weather service detroit/pontiac mi
813 pm edt mon jul 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 influence wanes across the central great
lakes today with dry initial conditions, then a cold front passes
through tonight into tuesday. this leads to periods of showers
and thunderstorms. wet weather could persist on tuesday before
high pressure from alberta/manitoba builds in by tuesday evening
with a drying effect.


lhz462>464-210815-
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-
813 pm edt mon jul 20 2026

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


$$