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Latest Great Lakes Marine Forecast by KBUF
Issued 8/22/2026 1:27 PM America/New_York.
Valid through 8/22/2026 5:15 PM America/New_York.
fzus61 kbuf 221727
glflo
expires:202608222115;;176123
open lake forecast for lake ontario
national weather service buffalo ny
127 pm edt sat aug 22 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 high pressure ridge averaging 30.1 inches exits toward
the canadian maritimes today. elsewhere, a 29.6 inch low should
wobble northeastward from the central great lakes to southwestern
quebec through monday. in response to the low's track, a warm front
drifts northeastward across lake ontario tonight and then a cold
front sweeps eastward across the lake overnight tonight through
sunday. behind the cold front, a trough averaging 29.8 inches
lingers over lake ontario through monday. on tuesday through
wednesday, a ridge averaging 30.1 inches builds from the western and
central great lakes. the ridge should begin to exit eastward on
thursday and allow a warm front to sweep northeastward across lake
ontario.
loz062-222115-
lake ontario open waters from the niagara river to hamlin beach-
127 pm edt sat aug 22 2026
...severe thunderstorm watch 614 in effect until 9 pm edt this
evening...
.this afternoon...east winds 10 knots or less. a chance of showers
and thunderstorms late. waves around 1 foot.
.tonight...east winds 5 to 15 knots becoming south. showers with
a chance of thunderstorms. waves 1 to 2 feet.
.sunday...southwest winds 15 to 20 knots becoming west. showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet building to
3 to 6 feet.
.sunday night...west winds 15 to 20 knots. showers likely with a
chance of thunderstorms in the evening, then a chance of showers
overnight. waves 4 to 6 feet.
.monday...southwest winds 15 to 25 knots becoming west. showers
during the day, then showers likely monday night. waves 5 to
8 feet subsiding to 3 to 5 feet. waves occasionally around
10 feet.
.tuesday...west winds 15 to 20 knots diminishing to 10 knots or
less. waves 2 to 4 feet subsiding to 1 foot or less.
.wednesday...southwest winds 10 knots or less becoming south.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 8/22/2026 3:47 PM America/New_York.
Valid through 8/23/2026 12:00 AM America/New_York.
fzus63 kdtx 221947
glflh
expires:202608230400;;183956
open lake forecast for lake huron
national weather service detroit/pontiac mi
347 pm edt sat aug 22 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...a cold front continues to progress across the great
lake this evening, which will veer wind direction to the
northwest. showers and thunderstorms are expected along the
front. post-frontal northwest flow leads to gusty winds through
the day on sunday and monday.
lhz362-363-230400-
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-
347 pm edt sat aug 22 2026
.tonight...northwest winds 10 to 15 knots increasing to 20 to
25 knots. a chance of showers and thunderstorms in the evening.
waves 4 to 6 feet building to 6 to 9 feet after midnight. waves
occasionally around 12 feet.
.sunday...northwest winds 20 to 25 knots with gusts to around
30 knots. a chance of waterspouts in the morning. waves 8 to
12 feet. waves occasionally around 15 feet.
.sunday night...northwest winds 20 to 25 knots with gusts to
around 30 knots. a chance of waterspouts in the evening. a chance
of showers. waves 8 to 12 feet. waves occasionally around
15 feet.
.monday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots early in the afternoon. gusts to 30 knots. a chance of
showers in the morning. waves 8 to 12 feet. waves occasionally
around 15 feet.
.monday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. waves 4 to
6 feet.
.tuesday...northwest winds 5 to 10 knots becoming light and
variable...then becoming southeast 5 to 10 knots late in the
evening. waves 1 to 3 feet. waves occasionally around 8 feet.
.wednesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots. a chance of showers in the late morning and early
afternoon. rain showers likely . waves 1 to 3 feet building to
2 to 4 feet .
.thursday...south winds 10 to 15 knots becoming southwest 5 to
10 knots until early evening...then becoming northwest 10 to
15 knots by midnight. a chance of showers. waves 2 to 4 feet
subsiding to 1 to 3 feet.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 8/22/2026 3:47 PM America/New_York.
Valid through 8/23/2026 12:00 AM America/New_York.
fzus63 kdtx 221947
glflh
expires:202608230400;;183957
open lake forecast for lake huron
national weather service detroit/pontiac mi
347 pm edt sat aug 22 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...a cold front continues to progress across the great
lake this evening, which will veer wind direction to the
northwest. showers and thunderstorms are expected along the
front. post-frontal northwest flow leads to gusty winds through
the day on sunday and monday.
lhz462>464-230400-
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-
347 pm edt sat aug 22 2026
.tonight...northwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. a chance of waterspouts in the evening.
a chance of showers and thunderstorms in the evening...then a
chance of showers after midnight. waves 1 to 3 feet building to
6 to 9 feet. waves occasionally around 12 feet.
.sunday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots late in the afternoon. a chance of showers in the
morning...then a chance of showers and thunderstorms in the
afternoon. waves 8 to 12 feet. waves occasionally around 15 feet.
.sunday night...northwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. a chance of showers and thunderstorms in the
evening...then a chance of showers after midnight. waves 8 to
12 feet. waves occasionally around 15 feet.
.monday...west winds 20 to 25 knots with gusts to around 30 knots
becoming northwest 15 to 20 knots with gusts to around 30 knots
in the late morning and afternoon. a chance of showers in the
morning. waves 6 to 9 feet. waves occasionally around 12 feet.
.monday night...northwest winds 10 to 15 knots. waves 4 to
6 feet. waves occasionally around 8 feet.
.tuesday...northwest winds 5 to 10 knots becoming light and
variable...then becoming southeast 5 to 10 knots late in the
evening. waves 2 to 4 feet subsiding to 2 feet or less.
.wednesday...south winds 5 to 10 knots increasing to 10 to
15 knots. a chance of showers. waves 1 to 3 feet.
.thursday...south winds 10 to 15 knots becoming southwest 5 to
10 knots until early evening...then veering to the west by
midnight. a chance of showers. waves 1 to 3 feet.
$$
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