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163
FZUS63 KDTX 010159
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
959 PM EDT Wed Apr 30 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...Deepening low pressure, dropping to around 29.50
inches, lifts directly over the central Great Lakes Thursday
leading to widespread showers. A few thunderstorms, which could
be strong, are possible Thursday evening mainly focused towards
the southern Great Lakes. A weak secondary cold front, 29.70
inches, drops through Friday and is quickly followed by high
pressure of 30.00 inches.

LHZ361-011000-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
959 PM EDT Wed Apr 30 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Waves 1 to
3 feet.
.THURSDAY...East winds 10 to 15 knots. Showers likely in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots backing to the
northwest after midnight. Showers likely. Waves 2 to 4 feet.
.FRIDAY...North winds 5 to 10 knots backing to the west in the
late morning and afternoon. A chance of showers. Waves 1 to
3 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots backing to the east in the
late evening and early morning. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
until early evening...then becoming southeast 5 to 10 knots in
the late evening and early morning. Waves 1 to 3 feet.

$$

LHZ362-363-011000-
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-
959 PM EDT Wed Apr 30 2025

.REST OF TONIGHT...East winds 5 to 10 knots. A chance of showers
after midnight. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots increasing to 15 to
20 knots. Showers likely in the morning...then showers in the
afternoon. Waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots becoming north
10 to 15 knots in the late evening and early morning...then
backing to the west after midnight. Showers likely. Waves 3 to
5 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. A chance of showers.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots veering to the northeast in
the late evening and early morning. Waves 2 feet or less.
.MONDAY...East winds 10 to 15 knots. Waves 1 to 3 feet.

$$

LHZ462>464-011000-
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-
959 PM EDT Wed Apr 30 2025

.REST OF TONIGHT...Light and variable winds becoming east 5 to
10 knots early in the morning. A chance of showers after
midnight. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. A chance of showers in the morning...then
showers and a chance of thunderstorms in the afternoon. Waves
2 feet or less building to 2 to 4 feet late in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots veering to the
southwest in the late evening and overnight. Showers and a chance
of thunderstorms in the evening...then showers likely after
midnight. Waves 2 to 4 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. A chance of showers.
Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Waves 2 feet or
less.
.SATURDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 10 knots becoming north 10 to
15 knots early in the evening...then becoming northeast 5 to
10 knots in the late evening and early morning. Waves 1 to
3 feet.
.MONDAY...East winds 10 to 15 knots veering to the southeast in
the late evening and early morning. A chance of rain. Waves 1 to
3 feet.

$$

LHZ461-011000-
MAFOR 0103/
HURON NORTH 13300 12216 12226 11126. Waves 2 feet or less
overnight. Waves 2 feet or less building to 2 to 4 feet Thursday.
Waves 3 to 5 feet Thursday evening.

HURON SOUTH 13200 11206 13216 11416. A chance of thunderstorms
Thursday afternoon and Thursday evening. Waves 2 feet or less
overnight. Waves 1 to 3 feet Thursday. Waves 2 to 4 feet Thursday
evening.

$$

AA

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)