427
FZUS63 KDTX 170207
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1007 PM EDT Wed Jul 16 2025

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 compact low pressure system, 29.60 inches, moves
through the Great Lakes tonight and the morning hours with
showers and thunderstorms across most marine areas. North to
northwest winds behind this system will increase tomorrow
afternoon, ranging from 20 to 25 knots. Broad high pressure brings
light and variable winds on Friday before the next low pressure
arrives on Saturday.

LHZ361-362-171015-
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-
1007 PM EDT Wed Jul 16 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight. A chance of showers and
thunderstorms this evening...then showers and a chance of
thunderstorms after midnight. Waves 1 to 3 feet.
.THURSDAY...North winds 15 to 20 knots. A chance of showers in
the morning. Waves 1 to 3 feet building to 3 to 5 feet in the
late morning and afternoon.
.THURSDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. Waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight.
.FRIDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots. A chance of showers. A
chance of thunderstorms late in the morning. Waves 2 feet or
less.
.SUNDAY...Northwest winds 5 to 10 knots backing to the west early
in the evening...then veering to the west 5 to 10 knots in the
late evening and early morning. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ363-171015-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
1007 PM EDT Wed Jul 16 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. A chance of
showers and thunderstorms this evening...then showers and a
chance of thunderstorms after midnight. Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. A chance of showers
and thunderstorms in the morning. Waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 4 to 6 feet subsiding to 2 to 4 feet after
midnight. Waves occasionally around 8 feet.
.FRIDAY...North winds 5 to 10 knots early in the morning becoming
light and variable. Waves 2 feet or less.
.FRIDAY NIGHT...Light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots backing to the east late in
the afternoon...then backing to the east 5 to 10 knots late in
the evening. A chance of showers. A chance of thunderstorms late
in the morning. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots.
Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. Waves 2 feet or less.


$$

LHZ462>464-171015-
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-
1007 PM EDT Wed Jul 16 2025

.REST OF TONIGHT...South winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Showers likely and a chance of
thunderstorms after midnight. Waves 2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots in the late morning and afternoon. A chance of
showers in the morning. Waves 1 to 3 feet building to 3 to 5 feet
in the late morning and afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.FRIDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.FRIDAY NIGHT...North winds 5 to 10 knots veering to the
southeast after midnight. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots. A chance of showers. A
chance of thunderstorms late in the afternoon. Waves 2 feet or
less.
.SUNDAY...North winds 5 to 10 knots. Waves 1 to 3 feet.
.MONDAY...East winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ461-171015-
MAFOR 1703/
HURON NORTH 11106 12116 13820 11810 11700. A chance of
thunderstorms overnight. Waves 2 feet or less overnight. Waves 1
to 3 feet building to 2 to 4 feet Thursday. Waves 1 to 3 feet
Thursday evening.

HURON SOUTH 11400 11406 11616 13720 11820 11810. A chance of
thunderstorms overnight and Thursday morning. Waves 2 feet or
less overnight. Waves 2 feet or less building to 2 to 4 feet...
THEN building to 3 to 5 feet Thursday. Waves 4 to 6 feet
subsiding to 2 to 4 feet. Occasional wave height around 8 feet
Thursday evening.

$$

JA

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)