503
FZUS63 KDTX 170757
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
357 AM EDT Fri Jul 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...Canadian wildfire smoke persists today amidst high
pressure influence. The next weak low pressure systems arrive
Friday bringing a round of showers and thunderstorms late in the
day and overnight. This will be followed by a secondary low on
Saturday tracking across The Straits into northern Lake Huron with
additional unsettled weather.

LHZ361-171600-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
357 AM EDT Fri Jul 17 2026

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

.TODAY...Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Areas of smoke in the morning. Patchy
smoke in the afternoon. A chance of showers in the afternoon.
Waves 2 feet or less.
.TONIGHT...East winds 10 to 15 knots veering to the southeast
after midnight...then becoming south 15 to 20 knots early in the
morning. A chance of showers and thunderstorms in the evening...
then showers likely and a chance of thunderstorms after midnight.
Areas of smoke. Waves 1 to 3 feet building to 2 to 4 feet early
in the morning.
.SATURDAY...Southwest winds 15 to 20 knots veering to the
northwest in the late morning and afternoon. Gusts to 30 knots.
Showers in the morning. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.SATURDAY NIGHT...Northwest winds 15 to 20 knots. Waves 4 to
6 feet subsiding to 2 to 4 feet after midnight. Waves
occasionally around 8 feet.
.SUNDAY...North winds 5 to 10 knots in the morning becoming light
and variable...then becoming southwest 5 to 10 knots late in the
afternoon. Waves 2 feet or less.
.MONDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 30 knots by midnight. A chance of
showers early in the morning. Rain showers and a chance of
thunderstorms . Waves 2 to 4 feet building to 4 to 6 feet. Waves
occasionally around 8 feet.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to around
30 knots becoming northwest to 30 knots with gusts to 40 knot
gales. A chance of thunderstorms early in the morning. Waves 6 to
9 feet. Waves occasionally around 12 feet.


$$

LHZ362-363-171600-
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-
357 AM EDT Fri Jul 17 2026

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.TODAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. Smoke. Waves 2 feet or less.
.TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to
20 knots early in the morning. A chance of showers in the
evening...then a chance of showers and thunderstorms after
midnight. Areas of smoke in the evening. Smoke after midnight.
Waves 1 to 3 feet building to 2 to 4 feet after midnight.
.SATURDAY...Southwest winds 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gusts to 35 knot
gales early in the afternoon. A chance of showers and
thunderstorms in the morning...then a chance of showers in the
afternoon. Waves 4 to 6 feet building to 5 to 7 feet early in the
afternoon. Waves occasionally around 10 feet.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
around 30 knots becoming northwest 20 to 25 knots. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.SUNDAY...North winds 5 to 10 knots in the morning becoming light
and variable...then becoming east 5 to 10 knots late in the
afternoon veering to the south. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.MONDAY...South winds 10 to 15 knots increasing to 20 to 25 knots
with gusts to around 30 knots. Showers and a chance of
thunderstorms . Waves 1 to 3 feet building to 4 to 6 feet. Waves
occasionally around 8 feet.
.TUESDAY...Southwest winds 15 to 20 knots becoming northwest
20 to 25 knots early in the evening...then increasing to 30 knots
by midnight. Gusts to 35 knot gales. Showers likely and a chance
of thunderstorms early in the morning...then a chance of showers
until early evening. Waves 6 to 9 feet. Waves occasionally around
12 feet.


$$

LHZ462>464-171600-
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-
357 AM EDT Fri Jul 17 2026

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.TODAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. Smoke. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Smoke in the
evening...then areas of smoke after midnight. Waves 2 feet or
less building to 2 to 4 feet after midnight.
.SATURDAY...Southwest winds 15 to 20 knots veering to the west
with gusts to around 30 knots early in the afternoon. A chance of
showers and thunderstorms. Waves 2 to 4 feet.
.SATURDAY NIGHT...North winds 20 to 25 knots with gusts to
35 knot gales decreasing to 10 to 15 knots. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.SUNDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming light and variable late in
the afternoon becoming south 5 to 10 knots late in the evening.
Waves 3 to 5 feet subsiding to 2 feet or less late in the
afternoon.
.MONDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots . Showers early in the evening.
Rain showers and a chance of thunderstorms by midnight. Waves
1 to 3 feet building to 3 to 5 feet .
.TUESDAY...Southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
west 15 to 20 knots with gusts to 35 knot gales early in the
evening becoming northwest 20 to 25 knots with gusts to 35 knot
gales by midnight. Showers early in the morning. A chance of
thunderstorms. A chance of showers. Waves 3 to 5 feet building to
5 to 7 feet by midnight. Waves occasionally around 10 feet.


$$

LHZ461-171600-
MAFOR 1709/
HURON NORTH 11100 14300 11310 11316 11416. A chance of
thunderstorms overnight. Waves 1 to 3 feet.

HURON SOUTH 12700 11500 12300 11310 11410 11510. Waves 2
feet or less today. Waves 2 feet or less building to 1 to 3 feet
tonight.

$$

DRK

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)