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Georgian Bay/Simcoe

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fzus63 kdtx 301949
glflh 
expires:202607310400;;350828

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt thu jul 30 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, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lhz362-363-310400-
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-
349 pm edt thu jul 30 2026

.tonight...light and variable winds becoming east 5 to 10 knots
late in the evening...then veering to the south after midnight.
waves 2 feet or less. 
.friday...south winds 5 to 10 knots backing to the southeast late
in the afternoon. a chance of showers in the afternoon. waves
2 feet or less. 
.friday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. a chance of showers.
waves 2 feet or less. 
.saturday...light and variable winds. showers likely. waves
2 feet or less. 
.saturday night...north winds 5 to 10 knots. showers likely in
the evening...then a chance of showers after midnight. waves
2 feet or less. 
.sunday...northeast winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the evening. 
.monday...northeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots by midnight. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots. waves 2 feet or less. 


$$
fzus63 kdtx 301949
glflh 
expires:202607310400;;350829

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt thu jul 30 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, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lhz462>464-310400-
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-
349 pm edt thu jul 30 2026

.tonight...light and variable winds becoming south 5 to 10 knots
early in the morning. waves 2 feet or less. 
.friday...light and variable winds becoming south 5 to 10 knots
late in the morning...then becoming light and variable early in
the afternoon becoming southeast 5 to 10 knots late in the
afternoon. waves 2 feet or less. 
.friday night...light and variable winds becoming northeast 5 to
10 knots in the late evening and overnight. a chance of showers
after midnight. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots. showers likely. waves
2 feet or less. 
.saturday night...northeast winds 5 to 10 knots. showers likely.
waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. waves 1 to 3 feet building to 3 to 5 feet. 
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots backing to the northeast
. waves 2 feet or less. 


$$
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