449
FZUS63 KDTX 200752
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
352 AM EDT Sun Apr 20 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...High pressure builds to 30.50 inches as it drifts
overhead today, allowing benign marine conditions to persist. Low
pressure, 29.60 inches, then tracks across the western Great
Lakes on Monday drawing an occluded front across the local
waters. Shower and thunderstorms are expected in the morning,
with winds and waves increasing through the day.

LHZ361-362-201600-
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-
352 AM EDT Sun Apr 20 2025

.TODAY...North winds 5 to 10 knots early in the morning becoming
light and variable...then becoming east 5 to 10 knots in the
afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.TONIGHT...Southeast winds 5 to 10 knots becoming east 10 to
15 knots late in the evening...then increasing to 15 to 20 knots
with gusts to around 30 knots after midnight. Waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.MONDAY...East winds 20 to 25 knots with gusts to around 30 knots
becoming southeast 15 to 20 knots early in the afternoon. Rain.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.MONDAY NIGHT...South winds 10 to 15 knots becoming southwest
15 to 20 knots with gusts to around 30 knots in the late evening
and early morning...then becoming west 20 to 25 knots with gusts
to around 30 knots after midnight. A chance of rain. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots late in the morning...then
becoming northwest 5 to 10 knots late in the afternoon. Waves
5 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around
10 feet.
.WEDNESDAY...East winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and early afternoon...then becoming
east 5 to 10 knots until early morning. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 5 to 10 knots backing to the east
until early morning. A chance of rain in the late evening and
early morning. Waves 2 feet or less.


$$

LHZ363-462>464-201600-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
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-
352 AM EDT Sun Apr 20 2025

.TODAY...North winds 5 to 10 knots. Waves 2 to 4 feet subsiding
to 1 to 3 feet in the late morning and afternoon.
.TONIGHT...Northeast winds 10 to 15 knots veering to the east
after midnight...then increasing to 15 to 20 knots early in the
morning. A chance of rain after midnight. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning.
.MONDAY...East winds 15 to 20 knots with gusts to around 30 knots
becoming southeast 20 to 25 knots with gusts to around 30 knots
in the late morning and early afternoon...then becoming south
15 to 20 knots early in the afternoon. Rain in the morning...then
a chance of rain in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.MONDAY NIGHT...Southwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late evening and overnight. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.TUESDAY...West winds 15 to 20 knots decreasing to 10 to 15 knots
late in the morning...then becoming northwest 5 to 10 knots late
in the afternoon. Waves 3 to 5 feet subsiding to 2 feet or less
late in the evening.
.WEDNESDAY...East winds 5 to 10 knots veering to the southeast in
the late evening and early morning. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots becoming east 10 to
15 knots. Waves 2 feet or less.


$$

LHZ461-201600-
MAFOR 2009/
HURON NORTH 11800 11100 11200 12300 11200 11210 11220. A
chance of rain overnight. Waves 1 to 3 feet.

HURON SOUTH 11800 13100 12110 12210. A chance of rain
overnight. Waves 2 to 4 feet subsiding to 2 feet or less today.
Waves 2 feet or less tonight.

$$

MR

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)