647
FZUS63 KDTX 301948
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
348 PM EDT Wed Jul 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...A disturbance passes along a stalled frontal boundary
across the southern Great Lakes tonight into Thursday. High
pressure then gradually expands into the region from the north
and west late Thursday into Friday before taking residence
overhead through this weekend.

LHZ361-310400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
348 PM EDT Wed Jul 30 2025

.TONIGHT...Northwest winds 10 to 15 knots becoming northeast
15 to 20 knots early in the morning. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots backing to the
north in the late evening and overnight. Waves 2 feet or less.
.FRIDAY...North winds 5 to 10 knots early in the morning becoming
light and variable. Waves 2 feet or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming light and variable.
Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots
until early morning. Waves 2 feet or less.


$$

LHZ362-363-310400-
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-
348 PM EDT Wed Jul 30 2025

.TONIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. Waves 1 to 3 feet building to 2 to
4 feet early in the morning.
.THURSDAY...Northeast winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. Waves 3 to 5 feet.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.FRIDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY NIGHT...Light and variable winds becoming north 5 to
10 knots in the late evening and early morning...then backing to
the west after midnight. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots becoming light and
variable...then becoming southwest 5 to 10 knots late in the
evening. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots backing to the southeast
until early morning. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots backing to the east until
early morning. Waves 2 feet or less.


$$

LHZ462>464-310400-
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-
348 PM EDT Wed Jul 30 2025

.TONIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. Waves 2 to 4 feet.
.THURSDAY...Northeast winds 15 to 20 knots. Waves 3 to 5 feet.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. Waves 3 to 5 feet.
.FRIDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon.
.FRIDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.SATURDAY...North winds 5 to 10 knots becoming light and
variable...then becoming southwest 5 to 10 knots late in the
evening. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots in the
late evening and early morning. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots backing to the east until
early morning. Waves 2 feet or less.


$$

LHZ461-310400-
MAFOR 3021/
HURON NORTH 11700 11710 11810 11110 12120 11110 11100.
Waves 1 to 3 feet.

HURON SOUTH 13810 11110 14120. Waves 2 to 4 feet.

$$

TF

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)