National Weather Service United States Department of Commerce

Current Regional Radar

Current Hazards

 

 

Current Forecast


804
FZUS63 KDTX 251940
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
340 PM EDT Sat Apr 25 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...Broad high pressure, 30.20 inches, expands over the
Great Lakes from the north tonight through Sunday. The next low,
29.30 inches, lifts into the northern Great Lakes late Monday-
Tuesday bringing stronger southerly winds and the next storm
chances.

LHZ361-260345-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
340 PM EDT Sat Apr 25 2026

.TONIGHT...Light and variable winds. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Patchy fog in the morning. Waves
2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Waves 1 to 3 feet.
.MONDAY...East winds 10 to 15 knots increasing to 20 to 25 knots
with gusts to around 30 knots. Waves 2 to 4 feet building to 6 to
9 feet in the late morning and afternoon. Waves occasionally
around 12 feet.
.MONDAY NIGHT...East winds 20 to 25 knots becoming southeast to
30 knots in the late evening and overnight. A chance of showers
in the evening...then showers after midnight. Waves 10 to 14 feet
building to 12 to 16 feet after midnight. Waves occasionally
around 20 feet.
.TUESDAY...Southeast winds 20 to 25 knots with gusts to around
30 knots becoming south 15 to 20 knots late in the morning...then
becoming west 10 to 15 knots late in the afternoon becoming
northwest 5 to 10 knots late in the evening. A chance of showers.
Waves 12 to 16 feet subsiding to 3 to 5 feet. Waves occasionally
around 20 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots increasing to 10 to
15 knots. Waves 1 to 3 feet building to 2 to 4 feet .
.THURSDAY...Northwest winds 10 to 15 knots increasing to 15 to
20 knots . Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and early afternoon...then building to 3 to 5 feet .


$$

LHZ362-363-260345-
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-
340 PM EDT Sat Apr 25 2026

.TONIGHT...North winds 5 to 10 knots. Waves 2 to 4 feet subsiding
to 1 to 3 feet in the late evening and overnight.
.SUNDAY...North winds 5 to 10 knots veering to the northeast in
the afternoon. Patchy dense fog in the morning. Waves 2 feet or
less.
.SUNDAY NIGHT...North winds 5 to 10 knots veering to the east in
the late evening and overnight. Waves 2 feet or less.
.MONDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon.
.MONDAY NIGHT...East winds 15 to 20 knots becoming southeast to
30 knots with gusts to 35 knot gales. A chance of showers in the
evening...then showers after midnight. Waves 5 to 7 feet building
to 10 to 14 feet in the late evening and overnight. Waves
occasionally around 18 feet.
.TUESDAY...Southeast winds to 30 knots with gusts to 35 knot
gales becoming south 15 to 20 knots with gusts to around 30 knots
late in the morning...then becoming southwest 10 to 15 knots late
in the afternoon becoming west 5 to 10 knots late in the evening.
Showers in the morning...then a chance of showers late in the
morning. Waves 12 to 16 feet subsiding to 3 to 5 feet. Waves
occasionally around 20 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots increasing to 10 to
15 knots. Waves 1 to 3 feet building to 3 to 5 feet .
.THURSDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then increasing to 10 to 15 knots
by midnight. Waves 3 to 5 feet.


$$

LHZ462>464-260345-
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-
340 PM EDT Sat Apr 25 2026

.TONIGHT...North winds 10 to 15 knots becoming northeast 5 to
10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SUNDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots veering to the
southeast after midnight. Waves 2 feet or less.
.MONDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet
building to 3 to 5 feet early in the afternoon.
.MONDAY NIGHT...Southeast winds 15 to 20 knots increasing to
30 knots. Showers after midnight. Waves 6 to 9 feet building to
8 to 12 feet after midnight. Waves occasionally around 15 feet.
.TUESDAY...Southeast winds to 30 knots becoming south 15 to
20 knots late in the morning...then becoming west 10 to 15 knots
late in the afternoon decreasing to 5 to 10 knots late in the
evening. Showers in the morning...then a chance of showers late
in the morning. Waves 8 to 12 feet subsiding to 1 to 3 feet.
Waves occasionally around 15 feet.
.WEDNESDAY...North winds 5 to 10 knots increasing to 10 to
15 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots . Waves 2 to 4 feet subsiding to 1 to 3 feet .


$$

LHZ461-260345-
MAFOR 2521/
HURON NORTH 11800 11700 11800 13100 11200 11300. Waves 2
feet or less.

HURON SOUTH 11110 11810 15100. Waves 1 to 3 feet tonight. Waves
2 feet or less Sunday.

$$

KDK

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)


Forecast Time Series for Southern Lake Huron

Wind Speed Possibilities

 

Wind Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

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f36

 

 

Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

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(click to enlarge)

Wave Heights

Now-15 hours

Significant

Occasional

(top 10%)

Wave Heights

18-60 hours

Significant

Occasional

(top 10%)

Wave Height Frequency Distribution

Significant Wave Probabilities

Water Level

St Clair River Currents

 

 

General Forecast Time Series Days 3-7

(click to enlarge)

 

Prototype: Under Development: Not to be relied on for Operational Decision Making.