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(1/2)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/18/2026 3:20 PM America/New_York.
Valid through 5/18/2026 11:30 PM America/New_York.
fzus63 kdtx 181920
glflh
expires:202605190330;;783255
open lake forecast for lake huron
national weather service detroit/pontiac mi
320 pm edt mon may 18 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...strong to severe thunderstorms are likely this
afternoon-evening and again possible tuesday as a cold front
sweeps across the region. high pressure, 30.50 inches, then
builds in mid-week.
lhz362-363-190330-
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-
320 pm edt mon may 18 2026
...severe thunderstorm watch 221 in effect until 8 pm edt this
evening...
.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. a chance of showers and
thunderstorms in the evening...then a chance of showers after
midnight. waves 4 to 6 feet. waves occasionally around 8 feet.
.tuesday...south winds 15 to 20 knots increasing to 20 to
25 knots early in the afternoon...then decreasing to 15 to
20 knots late in the afternoon. a chance of showers. waves 4 to
6 feet building to 6 to 9 feet in the afternoon. waves
occasionally around 12 feet.
.tuesday night...southwest winds 15 to 20 knots veering to the
northwest with gusts to around 30 knots in the late evening and
overnight. a chance of showers in the evening. waves 6 to 9 feet.
waves occasionally around 12 feet.
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
afternoon. waves 6 to 9 feet. waves occasionally around 12 feet.
.wednesday night...north winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. waves 4 to 6 feet. waves
occasionally around 8 feet.
.thursday...northeast winds 5 to 10 knots becoming light and
variable...then becoming northeast 5 to 10 knots late in the
evening. waves 1 to 3 feet.
.friday...east winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet by midnight.
.saturday...east winds 15 to 20 knots decreasing to 10 to
15 knots . a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet by midnight.
$$
(2/2)
Latest Great Lakes Marine Forecast by KDTX
Issued 5/18/2026 3:20 PM America/New_York.
Valid through 5/18/2026 11:30 PM America/New_York.
fzus63 kdtx 181920
glflh
expires:202605190330;;783256
open lake forecast for lake huron
national weather service detroit/pontiac mi
320 pm edt mon may 18 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...strong to severe thunderstorms are likely this
afternoon-evening and again possible tuesday as a cold front
sweeps across the region. high pressure, 30.50 inches, then
builds in mid-week.
lhz462>464-190330-
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-
320 pm edt mon may 18 2026
...severe thunderstorm watch 221 in effect until 8 pm edt this
evening...
.tonight...south winds 10 to 15 knots. showers likely and a
chance of thunderstorms in the evening...then a chance of showers
after midnight. waves 3 to 5 feet.
.tuesday...south winds 15 to 20 knots. a chance of showers in the
morning...then a chance of showers and thunderstorms in the
afternoon. waves 3 to 5 feet.
.tuesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots in the late evening and overnight. a chance of
showers and thunderstorms in the evening...then a chance of
showers after midnight. waves 3 to 5 feet.
.wednesday...north winds 10 to 15 knots. waves 4 to 6 feet. waves
occasionally around 8 feet.
.wednesday night...north winds 10 to 15 knots. waves 3 to 5 feet.
.thursday...northeast winds 5 to 10 knots becoming north 10 to
15 knots late in the afternoon...then becoming northeast 5 to
10 knots late in the evening. waves 2 to 4 feet subsiding to 1 to
3 feet.
.friday...east winds 5 to 10 knots increasing to 15 to 20 knots.
a chance of showers by midnight. waves 1 to 3 feet building to
2 to 4 feet by midnight.
.saturday...east winds 15 to 20 knots decreasing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet.
$$
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