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(1/5)
Latest Great Lakes Marine Forecast by KBUF
Issued 3/17/2026 10:09 PM America/New_York.
Valid through 3/18/2026 5:00 AM America/New_York.
fzus61 kbuf 180209
glflo
expires:202603180900;;875415
open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt tue mar 17 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 30.4 inch surface high centered over the lower ohio
valley will ridge northward, across the lake tonight. the high will
then shift east of the lake wednesday and reach the east coast by
wednesday evening. a 30.2 inch high will move into the great lakes
region thursday. a 29.8 inch low will move from james bay to the
canadian maritimes friday. this may result in a cold front crossing
the lake through friday night while also sending a 29.8 inch sfc low
across the lake through. a 30.2 inch sfc high over the southeast us
will briefly ridge north to the lake saturday into early sunday
before another cold front crosses the region.
loz062-180900-
lake ontario open waters from the niagara river to hamlin beach-
1009 pm edt tue mar 17 2026
.rest of tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers late this evening. waves 4 to
7 feet subsiding to 2 to 4 feet. waves occasionally around
9 feet.
.wednesday...southwest winds 5 to 15 knots becoming south. waves
1 to 3 feet.
.wednesday night...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.thursday...south winds 10 to 15 knots becoming southwest. a
chance of rain showers in the afternoon. waves 1 to 3 feet.
.thursday night...west winds 5 to 10 knots becoming northwest. a
chance of rain showers. waves 1 to 2 feet.
.friday...west winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. a chance of rain showers during the
day, then a chance of rain and snow showers friday night. waves
1 to 3 feet building to 3 to 6 feet.
.saturday...northeast winds 15 to 25 knots becoming west to
30 knots. a chance of rain and snow showers during the day, then
a chance of rain showers saturday night. waves 5 to 8 feet. waves
occasionally around 10 feet.
.sunday...northwest winds to 30 knots. a chance of rain and snow
showers. waves 6 to 9 feet subsiding to 5 to 8 feet. waves
occasionally around 11 feet.
$$
(2/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/17/2026 9:48 PM America/New_York.
Valid through 3/18/2026 6:00 AM America/New_York.
fzus63 kdtx 180148
glflh
expires:202603181000;;874745
open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt tue mar 17 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 ridge of high pressure averaging 30.20 inches will
provide light winds tonight. moderate southerly winds return
tomorrow as a warm front lifts through the central great lakes
region. light winds on thursday as a weakening cold front
approaches and washes out.
lhz361-362-181000-
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-
948 pm edt tue mar 17 2026
.rest of tonight...southwest winds 10 to 15 knots backing to the
south early in the morning. waves 3 to 5 feet subsiding to 1 to
3 feet early in the morning.
.wednesday...south winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. freezing spray in the
afternoon. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 12 feet.
.wednesday night...south winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. waves 6 to 9 feet. waves
occasionally around 12 feet.
.thursday...southwest winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon.
.thursday night...west winds 5 to 10 knots. waves 1 to 3 feet.
.friday...southwest winds 10 to 15 knots backing to the east late
in the afternoon. a chance of snow in the morning...then a chance
of rain and snow. waves 1 to 3 feet building to 2 to 4 feet.
.saturday...north winds 15 to 20 knots veering to the southeast
until early evening...then veering to the south by midnight. a
chance of snow by midnight. waves 4 to 6 feet. waves occasionally
around 8 feet.
.sunday...north winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and early afternoon...then decreasing to
15 to 20 knots . a chance of snow and rain until afternoon. waves
5 to 7 feet. waves occasionally around 10 feet.
wave heights are for ice free areas.
$$
(3/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/17/2026 9:48 PM America/New_York.
Valid through 3/18/2026 6:00 AM America/New_York.
fzus63 kdtx 180148
glflh
expires:202603181000;;874746
open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt tue mar 17 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 ridge of high pressure averaging 30.20 inches will
provide light winds tonight. moderate southerly winds return
tomorrow as a warm front lifts through the central great lakes
region. light winds on thursday as a weakening cold front
approaches and washes out.
lhz363-462>464-181000-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
948 pm edt tue mar 17 2026
.rest of tonight...west winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the morning.
.wednesday...south winds 10 to 15 knots increasing to 15 to
25 knots in the late morning and afternoon. waves 1 to 3 feet
building to 4 to 6 feet in the late morning and afternoon. waves
occasionally around 8 feet.
.wednesday night...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 4 to 6 feet.
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. a chance of rain and
snow. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon. waves occasionally around 8 feet.
.thursday night...west winds 5 to 10 knots becoming west after
midnight. waves 2 feet or less.
.friday...southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the morning...then backing to the east late in
the evening. a chance of rain late in the morning. waves 1 to
3 feet.
.saturday...north winds 10 to 15 knots veering to the south until
early evening...then increasing to 15 to 20 knots by midnight.
waves 3 to 5 feet.
.sunday...west winds 15 to 20 knots veering to the north. a
chance of rain and snow until afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet.
$$
(4/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/17/2026 3:58 PM America/New_York.
Valid through 3/18/2026 12:00 AM America/New_York.
fzus63 kdtx 171958
glflh
expires:202603180400;;862358
open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm edt tue mar 17 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, 30.40 inches, tracking through the ohio
valley, with the northern extension reaching the central great
lakes this evening, supporting light winds overnight. moderate
southerly winds return tomorrow as a warm front lifts through.
lhz362-363-462-180400-
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-
lake huron from port austin to harbor beach beyond 5nm off shore-
358 pm edt tue mar 17 2026
.tonight...west winds 10 to 20 knots backing to the southwest
after midnight. waves 4 to 6 feet subsiding to 1 to 3 feet early
in the morning. waves occasionally around 8 feet.
.wednesday...south winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. freezing spray in the
afternoon. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 12 feet.
.wednesday night...south winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet.
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon.
.thursday night...northwest winds 5 to 10 knots. waves 1 to
3 feet.
.friday...southwest winds 10 to 15 knots backing to the south
late in the morning...then backing to the east late in the
evening. a chance of rain and snow late in the morning. waves
1 to 3 feet building to 2 to 4 feet.
.saturday...north winds 15 to 20 knots veering to the southeast
in the late morning and early afternoon...then becoming south
10 to 15 knots early in the evening increasing to 15 to 20 knots
by midnight. waves 4 to 6 feet. waves occasionally around 8 feet.
.sunday...north winds 15 to 20 knots. a chance of rain and snow
until afternoon. waves 5 to 7 feet. waves occasionally around
10 feet.
$$
(5/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/17/2026 3:58 PM America/New_York.
Valid through 3/18/2026 12:00 AM America/New_York.
fzus63 kdtx 171958
glflh
expires:202603180400;;862359
open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm edt tue mar 17 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, 30.40 inches, tracking through the ohio
valley, with the northern extension reaching the central great
lakes this evening, supporting light winds overnight. moderate
southerly winds return tomorrow as a warm front lifts through.
lhz463-464-180400-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
358 pm edt tue mar 17 2026
.tonight...west winds around 15 knots backing to the southwest
early in the morning. a chance of snow showers in the evening.
waves 3 to 5 feet subsiding to 1 to 3 feet after midnight.
.wednesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and afternoon. waves 1 to 3 feet
building to 4 to 6 feet. waves occasionally around 8 feet.
.wednesday night...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 3 to 5 feet.
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. a chance of rain.
waves 1 to 3 feet.
.thursday night...west winds 5 to 10 knots veering to the
northwest after midnight. waves 2 feet or less.
.friday...west winds 5 to 10 knots becoming south 10 to 15 knots
late in the morning...then backing to the southeast late in the
evening. a chance of rain. waves 1 to 3 feet.
.saturday...north winds 10 to 15 knots backing to the south until
early evening...then increasing to 15 to 20 knots by midnight.
waves 2 to 4 feet.
.sunday...west winds 15 to 20 knots becoming north 20 to 25 knots
in the late morning and early afternoon...then becoming west
15 to 20 knots early in the evening veering to the north by
midnight. a chance of rain until afternoon. a chance of snow in
the late morning and early afternoon. waves 4 to 6 feet.
$$
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