fzus61 kbuf 042003
glflo 
expires:202610050300;;534640

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun oct 4 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 29.7 inch low over northwest ontario will deepen to 
29.4 inches as it slides just south of james bay over central quebec 
tonight, while sending a pair of cold fronts across the lake. a 30.2 
inch high over the upper midwest will then build across the great 
lakes monday into tuesday, before sliding into the northeast 
wednesday. a cold front will then pass across the lake thursday. a 
30.1 inch surface high will then ridge north across the lake friday.


loz062-050300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun oct 4 2026

.tonight...southwest winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. waves 1 to 2 feet building to 3 to
6 feet. 
.monday...west winds to 30 knots becoming northwest. waves 5 to
8 feet. waves occasionally around 10 feet. 
.monday night...northwest winds 15 to 25 knots diminishing to
10 to 15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southwest.
waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 

$$

fzus63 kdtx 041947
glflh 
expires:202610050400;;534272

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 pm edt sun oct 4 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...low pressure, 29.50 inches, south of james bay will
track into quebec tonight. this low is driving a cold front
through the region, with west/northwest flow expected tonight
into monday. speeds will increase to around 25 knots this
evening, with gale force gusts to 35 knots still possible. high
pressure, 30.20 inches, will move into the region monday
afternoon, bringing much lighter wind conditions. the next system
to affect the region will be later tuesday with stronger
southwest winds.


lhz361-362-050400-
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-
347 pm edt sun oct 4 2026

...gale watch in effect from 8 pm edt this evening through monday
morning...

.tonight...northwest winds 20 to 25 knots with occasional gusts 
to 35 knot gales. waves 6 to 9 feet. waves occasionally around 12 
feet.
.monday...northwest winds 20 to 25 knots with gusts to 30 knots. 
waves 6 to 9 feet. waves occasionally around 12 feet. 
.monday night...northwest winds 15 to 20 knots becoming light and
variable. waves 4 to 6 feet subsiding to 1 to 3 feet after
midnight. waves occasionally around 8 feet. 
.tuesday...south winds 5 to 10 knots increasing to 15 to 20 knots
with gusts to around 30 knots. waves 1 to 3 feet building to 4 to
6 feet early in the afternoon. waves occasionally around 8 feet. 
.tuesday night...south winds 20 to 25 knots becoming southwest
15 to 20 knots in the late evening and overnight. gusts to
30 knots. a chance of rain. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.wednesday...west winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the afternoon. waves 3 to 5 feet. 
.thursday...west winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots . waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 


$$

fzus63 kdtx 041947
glflh 
expires:202610050400;;534273

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 pm edt sun oct 4 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...low pressure, 29.50 inches, south of james bay will
track into quebec tonight. this low is driving a cold front
through the region, with west/northwest flow expected tonight
into monday. speeds will increase to around 25 knots this
evening, with gale force gusts to 35 knots still possible. high
pressure, 30.20 inches, will move into the region monday
afternoon, bringing much lighter wind conditions. the next system
to affect the region will be later tuesday with stronger
southwest winds.


lhz363-050400-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
347 pm edt sun oct 4 2026

.tonight...northwest winds 15 to 20 knots increasing to 20 to
25 knots early in the morning. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the afternoon. waves
6 to 9 feet. waves occasionally around 12 feet. 
.monday night...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet subsiding to 2 to 4 feet after
midnight. waves occasionally around 8 feet. 
.tuesday...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then increasing to
10 to 15 knots early in the afternoon. waves 1 to 3 feet building
to 2 to 4 feet early in the afternoon. 
.tuesday night...southwest winds 20 to 25 knots with gusts to
around 30 knots. waves 5 to 7 feet. waves occasionally around
10 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 5 to 7 feet subsiding to 2 to 4 feet. waves
occasionally around 10 feet. 
.thursday...west winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet . 
.friday...west winds 10 to 15 knots veering to the northwest by
midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 041947
glflh 
expires:202610050400;;534274

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 pm edt sun oct 4 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...low pressure, 29.50 inches, south of james bay will
track into quebec tonight. this low is driving a cold front
through the region, with west/northwest flow expected tonight
into monday. speeds will increase to around 25 knots this
evening, with gale force gusts to 35 knots still possible. high
pressure, 30.20 inches, will move into the region monday
afternoon, bringing much lighter wind conditions. the next system
to affect the region will be later tuesday with stronger
southwest winds.


lhz462>464-050400-
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-
347 pm edt sun oct 4 2026

.tonight...northwest winds 15 to 20 knots. waves 4 to 6 feet
building to 6 to 9 feet early in the morning. waves occasionally
around 12 feet. 
.monday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots in the afternoon. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.monday night...northwest winds 10 to 15 knots becoming west 5 to
10 knots after midnight. waves 3 to 5 feet. 
.tuesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. waves 1 to 3 feet. 
.tuesday night...south winds 15 to 20 knots becoming southwest
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. waves 4 to 6 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. waves occasionally around 8 feet. 
.thursday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 


$$