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Latest Great Lakes Marine Forecast by KBUF
Issued 7/13/2026 4:02 AM America/New_York.
Valid through 7/13/2026 11:00 AM America/New_York.
fzus61 kbuf 130802
glflo
expires:202607131500;;888723
open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon jul 13 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 large 30.2 inch high will slide east to eastern new
england today, then shift off the coast tonight and tuesday. this
will allow a warm front to sweep across the lake tuesday, followed
by a cold front pushing south across the lake on wednesday, trailed
by a secondary cold front pushing south across the lake thursday
into friday.
loz062-131500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon jul 13 2026
.today...southwest winds 10 knots or less. waves 1 foot or less.
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet.
.tuesday...southwest winds 15 to 20 knots. waves 2 to 4 feet
building to 3 to 5 feet.
.tuesday night...southwest winds 15 to 20 knots becoming west.
waves 3 to 5 feet subsiding to 2 to 4 feet.
.wednesday...west winds 5 to 15 knots. waves 1 to 3 feet.
.thursday...west winds 5 to 15 knots becoming north. waves 1 to
3 feet.
.friday...north winds 5 to 10 knots. a chance of showers friday
night. waves 1 foot or less.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 7/13/2026 3:32 AM America/New_York.
Valid through 7/13/2026 11:45 AM America/New_York.
fzus63 kdtx 130732
glflh
expires:202607131545;;887802
open lake forecast for lake huron
national weather service detroit/pontiac mi
332 am edt mon jul 13 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...area of high pressure, 30.20 inches, will continue to
influence the quiet weather over much of the great lakes region.
there are slight chances for some unsettled weather over northern
portions of lake huron this morning, otherwise, dry conditions
prevail through at least the middle of week.
lhz362-363-131545-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
332 am edt mon jul 13 2026
.today...southwest winds 10 to 15 knots becoming south 5 to
10 knots in the afternoon. waves 1 to 3 feet.
.tonight...southeast winds 5 to 10 knots veering to the southwest
by midnight...then increasing to 10 to 15 knots early in the
morning. waves 1 to 3 feet.
.tuesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet.
.tuesday night...southwest winds 5 to 10 knots becoming northwest
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet.
.wednesday...northwest winds 5 to 10 knots increasing to
northwest 10 to 15 knots late in the afternoon. waves 1 to 3 feet
building to 3 to 5 feet late in the afternoon.
.thursday...northwest winds 5 to 10 knots. waves 1 to 3 feet.
.friday...northeast winds 5 to 10 knots veering to the southeast
by midnight. a chance of showers . waves 1 to 3 feet.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 7/13/2026 3:32 AM America/New_York.
Valid through 7/13/2026 11:45 AM America/New_York.
fzus63 kdtx 130732
glflh
expires:202607131545;;887803
open lake forecast for lake huron
national weather service detroit/pontiac mi
332 am edt mon jul 13 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...area of high pressure, 30.20 inches, will continue to
influence the quiet weather over much of the great lakes region.
there are slight chances for some unsettled weather over northern
portions of lake huron this morning, otherwise, dry conditions
prevail through at least the middle of week.
lhz462>464-131545-
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-
332 am edt mon jul 13 2026
.today...southwest winds 5 to 10 knots backing to the south late
in the afternoon. waves 1 to 3 feet.
.tonight...south winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet.
.tuesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon.
.tuesday night...southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and overnight. waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.wednesday...north winds 5 to 10 knots becoming light and
variable...then becoming north 5 to 10 knots late in the evening.
waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming north 5 to 10 knots
by midnight. waves 2 feet or less.
.friday...north winds 5 to 10 knots veering to the east by
midnight. a chance of showers by midnight. waves 1 to 3 feet.
$$
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