(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/12/2025 4:02 PM America/New_York.
Valid through 11/12/2025 11:00 PM America/New_York.
fzus61 kbuf 122102
glflo
expires:202511130400;;305257
open lake forecast for lake ontario
national weather service buffalo ny
402 pm est wed nov 12 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...a 28.2 inch low will slowly advance northwards across
newfoundland tonight, as a 29.5 inch low crosses the great lakes.
another 29.2 inch low will develop south of nova scotia thursday,
then move north across the canadian maritimes friday, remaining in
place through saturday. meanwhile, a 30.1 inch high will build from
northwest ontario province friday to james bay and the lower great
lakes by saturday. a 29.2 inch low will track across the lake and to
new england through the day on sunday.
loz062-130400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est wed nov 12 2025
.tonight...west winds to 30 knots. a chance of showers early,
then showers likely from late evening on. waves 6 to 9 feet.
waves occasionally around 11 feet.
.thursday...west winds 20 to 25 knots. showers likely in the
morning, then a chance of showers in the afternoon. waves 5 to
8 feet. waves occasionally around 10 feet.
.thursday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. showers likely. waves 3 to 6 feet subsiding to
2 to 4 feet.
.friday...northwest winds 10 to 15 knots. a chance of showers in
the morning. waves 1 to 3 feet.
.friday night...north winds 5 to 10 knots becoming east. waves
1 to 2 feet.
.saturday...southeast winds 5 to 15 knots becoming west 15 to
20 knots. a chance of rain during the day, then rain saturday
night. waves 1 foot or less building to 3 to 5 feet.
.sunday...west winds to 30 knots. rain showers likely during the
day, then rain showers likely with a chance of snow showers
sunday night. waves 5 to 9 feet subsiding to 4 to 7 feet. waves
occasionally around 11 feet.
.monday...northwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. a chance of rain and snow showers
during the day. waves 4 to 7 feet subsiding to 2 to 4 feet. waves
occasionally around 9 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/12/2025 3:34 PM America/New_York.
Valid through 11/12/2025 11:45 PM America/New_York.
fzus63 kdtx 122034
glflh
expires:202511130445;;304129
open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est wed nov 12 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...moderate to strong west-northwest winds persist
through the night as colder air filters in. a few sporadic gusts
to gales possible over northern lake huron. high pressure, 30.10
inches, then expands over the region thursday into friday.
lhz361-362-130445-
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-
334 pm est wed nov 12 2025
.tonight...west winds to 30 knots decreasing to 20 to 25 knots
after midnight. sporadic gusts to 35 knot gales. a chance of
showers. waves 8 to 12 feet. waves occasionally around 15 feet.
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. waves 8 to 12 feet. waves occasionally around 15 feet.
.thursday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. waves 5 to
7 feet. waves occasionally around 10 feet.
.friday...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.friday night...east winds 5 to 10 knots becoming southeast 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet.
.saturday...south winds 15 to 20 knots becoming southwest 20 to
25 knots late in the afternoon...then becoming northwest to
30 knots with gusts to 35 knot gales late in the evening. a
chance of rain in the morning...then rain likely. snow likely
late in the evening. waves 5 to 7 feet building to 8 to 12 feet
late in the evening. waves occasionally around 15 feet.
.sunday...northwest winds to 30 knots increasing to 35 knot gales
until early evening...then decreasing to 20 to 25 knots in the
late evening and early morning. gusts to 40 knot gales decreasing
to 30 knots in the late evening and early morning. a chance of
rain and snow early in the morning...then snow likely in the late
morning and early afternoon. a chance of snow until early
morning. waves 10 to 14 feet. waves occasionally around 18 feet.
a gale warning may be needed.
.monday...northwest winds 20 to 25 knots decreasing to 5 to
10 knots. waves 6 to 9 feet subsiding to 3 to 5 feet in the late
evening and early morning. waves occasionally around 12 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/12/2025 3:34 PM America/New_York.
Valid through 11/12/2025 11:45 PM America/New_York.
fzus63 kdtx 122034
glflh
expires:202511130445;;304130
open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est wed nov 12 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...moderate to strong west-northwest winds persist
through the night as colder air filters in. a few sporadic gusts
to gales possible over northern lake huron. high pressure, 30.10
inches, then expands over the region thursday into friday.
lhz363-462-130445-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
334 pm est wed nov 12 2025
.tonight...west winds to 30 knots decreasing to 20 to 25 knots in
the late evening and overnight. a chance of showers. waves 8 to
12 feet. waves occasionally around 15 feet.
.thursday...west 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.
.thursday night...west winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 4 to 6 feet.
waves occasionally around 8 feet.
.friday...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.friday night...northeast winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. waves 1 to
3 feet.
.saturday...south winds 15 to 20 knots increasing to 20 to
25 knots late in the afternoon...then becoming west to 30 knots
late in the evening. rain likely late in the morning. a chance of
rain late in the evening. waves 5 to 7 feet building to 6 to
9 feet late in the evening. waves occasionally around 12 feet.
.sunday...northwest winds to 30 knots increasing to 35 knot gales
until early evening...then decreasing to 30 knots in the late
evening and early morning. gusts to 40 knot gales. a chance of
rain. a chance of snow. waves 10 to 14 feet. waves occasionally
around 18 feet. a gale warning may be needed.
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of snow early in
the morning. waves 8 to 12 feet subsiding to 3 to 5 feet in the
late evening and early morning. waves occasionally around
15 feet.
$$
(4/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/12/2025 3:34 PM America/New_York.
Valid through 11/12/2025 11:45 PM America/New_York.
fzus63 kdtx 122034
glflh
expires:202511130445;;304131
open lake forecast for lake huron
national weather service detroit/pontiac mi
334 pm est wed nov 12 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...moderate to strong west-northwest winds persist
through the night as colder air filters in. a few sporadic gusts
to gales possible over northern lake huron. high pressure, 30.10
inches, then expands over the region thursday into friday.
lhz463-464-130445-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
334 pm est wed nov 12 2025
.tonight...west winds 20 to 25 knots decreasing to 15 to 20 knots
after midnight...then increasing to 20 to 25 knots early in the
morning. gusts to 30 knots. waves 6 to 9 feet. waves occasionally
around 12 feet.
.thursday...west winds 15 to 20 knots. waves 5 to 7 feet. waves
occasionally around 10 feet.
.thursday night...west winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 3 to 5 feet.
.friday...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet.
.friday night...northeast winds 5 to 10 knots veering to the
southeast in the late evening and early morning...then becoming
south 10 to 15 knots after midnight. waves 1 to 3 feet.
.saturday...south winds 15 to 20 knots becoming west 20 to
25 knots with gusts to around 30 knots late in the evening. rain
likely late in the morning. a chance of rain late in the evening.
waves 4 to 6 feet. waves occasionally around 8 feet.
.sunday...northwest winds to 30 knots with gusts to 35 knot
gales. a chance of rain. a chance of snow until early morning.
waves 10 to 14 feet. waves occasionally around 18 feet.
.monday...west winds 20 to 25 knots with gusts to around 30 knots
becoming northwest 10 to 15 knots. a chance of snow early in the
morning. waves 8 to 12 feet subsiding to 4 to 6 feet until early
morning. waves occasionally around 15 feet.
$$
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