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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est wed nov 5 2025

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...low pressure over the upper great lakes will deepen from 
29.6 inches to 29.4 inches as it passes along or just north of the 
north shore of the lake this afternoon into this evening, before 
making its way across new england tonight while further 
strengthening to 29.2 inches. in its wake, a 30.2 inch high will 
build from the ohio valley to the mid-atlantic states thursday, then 
will slide out to sea through friday while allowing a 29.4 inch low 
to track from the upper great lakes to quebec and push its trailing 
cold front across the lake friday night. another 29.5 inch surface 
low will then track from the ohio valley to new england sunday and 
monday.


loz062-052200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est wed nov 5 2025

...gale warning in effect through late tonight...

.rest of today...southwest winds 15 to 25 knots becoming west and
increasing to 35 knot gales this afternoon. showers. waves 3 to
5 feet building to 9 to 12 feet. waves occasionally around
15 feet. 
.tonight...northwest gales to 35 knots diminishing to 30 knots.
showers through the early overnight, then a chance of showers
late. waves 10 to 14 feet subsiding to 7 to 11 feet. waves
occasionally around 18 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. waves
5 to 8 feet subsiding to 2 to 4 feet. waves occasionally around
10 feet. 
.thursday night...west winds 10 to 15 knots becoming south. waves
1 to 3 feet. 
.friday...south winds 15 to 25 knots becoming west. showers.
waves 3 to 6 feet. 
.saturday...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. a chance of showers during the day, then showers
likely saturday night. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.sunday...northeast winds 15 to 20 knots becoming northwest. rain
showers likely during the day, then rain showers likely with a
chance of snow showers sunday night. waves 3 to 5 feet. 

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
955 am est wed nov 5 2025

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, 29.60 inches, tracks across northern
lower michigan today. winds shift to the northwest in response,
with gusts increasing to gale this afternoon and evening across
lake huron. gales diminish overnight in favor of high pressure,
30.20 inches, that builds into the ohio valley thursday.


lhz362-363-462-052300-
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-
lake huron from port austin to harbor beach beyond 5nm off shore-
955 am est wed nov 5 2025

...gale warning in effect from 1 pm est this afternoon through
this evening...

.rest of today...northeast winds 10 to 15 knots becoming west
20 to 25 knots with gusts to around 30 knots early in the
afternoon...then becoming northwest to 30 knots with gusts to
35 knot gales late in the afternoon. a chance of showers. a
chance of waterspouts. waves 5 to 7 feet building to 8 to 12 feet
late in the afternoon. waves occasionally around 15 feet. 
.tonight...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots. a chance of rain in the
evening. waves 10 to 14 feet. waves occasionally around 18 feet. 
.thursday...northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the afternoon. waves 5 to 7 feet subsiding to
2 to 4 feet early in the afternoon. waves occasionally around
10 feet. 
.thursday night...south winds 10 to 15 knots increasing to
30 knots. rain likely after midnight. waves 2 to 4 feet building
to 8 to 12 feet in the late evening and overnight. waves
occasionally around 15 feet. 
.friday...south winds to 30 knots becoming southwest 15 to
20 knots late in the morning...then becoming west 20 to 25 knots
late in the afternoon veering to the northwest late in the
evening. rain likely...then a chance of rain late in the
afternoon. waves 10 to 14 feet subsiding to 5 to 7 feet late in
the afternoon. waves occasionally around 18 feet. 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots until early evening...then becoming north 10 to 15 knots
in the late evening and early morning. a chance of rain and snow
until early morning. waves 3 to 5 feet. 
.sunday...north winds 15 to 20 knots becoming northwest 20 to
25 knots until early morning. a chance of rain early in the
morning. a chance of snow until afternoon. snow likely until
early morning. waves 5 to 7 feet building to 8 to 12 feet until
early morning. waves occasionally around 15 feet. 


$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
955 am est wed nov 5 2025

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, 29.60 inches, tracks across northern
lower michigan today. winds shift to the northwest in response,
with gusts increasing to gale this afternoon and evening across
lake huron. gales diminish overnight in favor of high pressure,
30.20 inches, that builds into the ohio valley thursday.


lhz463-464-052300-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
955 am est wed nov 5 2025

...gale warning in effect from 1 pm est this afternoon through
this evening...

.rest of today...southwest winds 15 to 20 knots becoming west
20 to 25 knots with gusts to around 30 knots early in the
afternoon...then becoming northwest to 30 knots with gusts to
35 knot gales late in the afternoon. a chance of rain. waves 5 to
7 feet building to 8 to 12 feet late in the afternoon. waves
occasionally around 15 feet. 
.tonight...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots. waves 10 to 14 feet. waves
occasionally around 18 feet. 
.thursday...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 5 to 7 feet subsiding to 2 to 4 feet early in the
afternoon. waves occasionally around 10 feet. 
.thursday night...south winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. a chance of rain after
midnight. waves 1 to 3 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 
.friday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots with gusts to around
30 knots late in the morning...then veering to the west late in
the evening. a chance of rain...then rain likely late in the
afternoon. a chance of rain late in the evening. waves 6 to
9 feet subsiding to 4 to 6 feet late in the afternoon. waves
occasionally around 12 feet. 
.saturday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the evening becoming
northwest 5 to 10 knots in the late evening and early morning. a
chance of rain...then rain likely in the late evening and early
morning. waves 3 to 5 feet. 
.sunday...northeast winds 15 to 20 knots backing to the north in
the late morning and early afternoon...then becoming northwest
20 to 25 knots until early morning. rain likely. snow likely.
waves 5 to 7 feet building to 8 to 12 feet until early morning.
waves occasionally around 15 feet. 


$$