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(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 11/4/2025 4:02 PM America/New_York.
Valid through 11/4/2025 11:00 PM America/New_York.
fzus61 kbuf 042102
glflo
expires:202511050400;;852423
open lake forecast for lake ontario
national weather service buffalo ny
402 pm est tue nov 4 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 30.3 inch high stretching from the great lakes to
the southeast u.s. will push off the coast tonight through
wednesday. an area of low pressure will pass to the west and north
of the lake wednesday, deepening from 29.8 inches down to 29.4
inches through the day. following this low, another 30.3 inch
surface high will reestablish over the lake for thursday. the
surface high will then track east off the atlantic coast through
friday allowing for another cold frontal passage. a 29.4 inch low
near james bay will drag its cold front across the lake friday night
into saturday. a 29.7 inch surface low will track from the ohio
valley to new england sunday into early monday, deepening to 29.5
inches.
loz062-050400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est tue nov 4 2025
...gale warning in effect from wednesday afternoon through late
wednesday night...
.tonight...west winds 15 to 25 knots becoming south and
diminishing to 5 to 10 knots after midnight. waves 3 to 6 feet
subsiding to 1 to 3 feet.
.wednesday...south winds 15 to 25 knots becoming west and
increasing to 35 knot gales in the afternoon. showers. waves 1 to
3 feet building to 10 to 13 feet. waves occasionally around
16 feet.
.wednesday night...northwest gales to 35 knots diminishing to
30 knots. showers. waves 11 to 16 feet subsiding to 6 to 9 feet.
waves occasionally around 20 feet.
.thursday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers in the morning. waves 4 to 7 feet
subsiding to 1 to 3 feet. waves occasionally around 9 feet.
.thursday night...west winds 5 to 15 knots becoming south. waves
1 to 2 feet.
.friday...south winds 15 to 25 knots becoming west. showers.
waves 3 to 5 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. waves occasionally around 9 feet.
.saturday...northwest winds 15 to 20 knots becoming east 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
1 to 2 feet.
.sunday...northeast winds 15 to 25 knots becoming northwest. rain
showers likely during the day, then rain and snow showers likely
sunday night. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet.
$$
(2/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/4/2025 3:41 PM America/New_York.
Valid through 11/4/2025 11:45 PM America/New_York.
fzus63 kdtx 042041
glflh
expires:202511050445;;851629
open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est tue nov 4 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...a ridge of high pressure, 30.20 inches, will exit east
into new england through the evening. the next low pressure
system, 29.70 inches, then tracks into the central great lakes
tomorrow, bringing gust to gales across lake huron and the saginaw
bay.
lhz361>363-050445-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
341 pm est tue nov 4 2025
...gale watch in effect from wednesday afternoon through
wednesday evening...
.tonight...southwest winds 5 to 10 knots backing to the south
after midnight. a chance of rain in the evening...then rain
likely after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and early morning...then building to 2 to
4 feet early in the morning.
.wednesday...southeast winds 10 to 15 knots becoming southwest
15 to 20 knots late in the morning...then becoming west 20 to
25 knots with gusts to around 30 knots early in the afternoon
becoming northwest to 30 knots with gusts to 35 knot gales late
in the afternoon. rain. waves 4 to 6 feet building to 8 to
12 feet in the afternoon. waves occasionally around 15 feet.
.wednesday night...northwest winds to 30 knots with gusts to
35 knot gales decreasing to 15 to 20 knots. rain in the evening...
then a chance of rain after midnight. waves 12 to 16 feet. waves
occasionally around 20 feet.
.thursday...northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon...then backing
to the southwest early in the afternoon. waves 6 to 9 feet
subsiding to 2 to 4 feet. waves occasionally around 12 feet.
.thursday night...southwest winds 10 to 15 knots becoming south
to 30 knots. a chance of rain in the evening...then 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 veering to the northwest late
in the evening. rain...then a chance of rain late in the
afternoon. waves 8 to 12 feet. waves occasionally around 15 feet.
.saturday...north winds 10 to 15 knots becoming northwest 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 4 to 6 feet subsiding to 1 to 3 feet
until early morning. waves occasionally around 8 feet.
.sunday...north winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and early afternoon...then increasing to
20 to 25 knots early in the evening decreasing to 15 to 20 knots
in the late evening and early morning. a chance of rain and
snow...then a chance of snow in the late evening and early
morning. waves 4 to 6 feet building to 8 to 12 feet. waves
occasionally around 15 feet.
$$
(3/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 11/4/2025 3:41 PM America/New_York.
Valid through 11/4/2025 11:45 PM America/New_York.
fzus63 kdtx 042041
glflh
expires:202511050445;;851630
open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm est tue nov 4 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...a ridge of high pressure, 30.20 inches, will exit east
into new england through the evening. the next low pressure
system, 29.70 inches, then tracks into the central great lakes
tomorrow, bringing gust to gales across lake huron and the saginaw
bay.
lhz462>464-050445-
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-
341 pm est tue nov 4 2025
...gale watch in effect from wednesday afternoon through
wednesday evening...
.tonight...southwest winds 5 to 10 knots becoming south 15 to
20 knots. a chance of rain after midnight. waves 1 to 3 feet
building to 3 to 5 feet early in the morning.
.wednesday...south winds 15 to 20 knots becoming southwest 20 to
25 knots with gusts to 35 knot gales in the late morning and
early afternoon...then becoming northwest to 30 knots with gusts
to 35 knot gales late in the afternoon. rain. waves 4 to 6 feet
building to 10 to 14 feet. waves occasionally around 18 feet.
.wednesday night...northwest at 35 knot gales with gusts to
40 knot gales decreasing to 20 to 25 knots with gusts to around
30 knots. rain in the evening...then a chance of rain after
midnight. waves 12 to 16 feet. waves occasionally around 20 feet.
a gale warning may be needed.
.thursday...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 6 to 9 feet subsiding to 2 to 4 feet. waves
occasionally around 12 feet.
.thursday night...south winds 10 to 15 knots increasing to
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 northwest late
in the evening. rain...then rain likely late in the afternoon. a
chance of rain late in the evening. waves 6 to 9 feet. 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
northeast 10 to 15 knots in the late evening and early morning. a
chance of rain...then rain likely in the late evening and early
morning. waves 5 to 7 feet subsiding to 2 to 4 feet until early
morning. waves occasionally around 10 feet.
.sunday...northeast winds 15 to 20 knots becoming north 20 to
25 knots with gusts to around 30 knots. rain likely. snow likely
until early morning. waves 4 to 6 feet building to 8 to 12 feet.
waves occasionally around 15 feet.
$$
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