National Weather Service United States Department of Commerce

Current Regional Radar

Current Hazards

 

 

Current Forecast


588
FZUS63 KDTX 221938
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
338 PM EDT Wed Apr 22 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...A cold front settled over Lake Erie offers a chance
for a few evening storms. High pressure holds over the region
Thursday before a warm front slowly lifts into the area late
Thursday into Friday. A low will develop along the front and
track across the southern Great Lakes Friday night.

LHZ361-362-230345-
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-
338 PM EDT Wed Apr 22 2026

.TONIGHT...Light and variable winds becoming east 5 to 10 knots
early in the morning. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. Waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon.
.THURSDAY NIGHT...East winds 15 to 20 knots increasing to 20 to
25 knots after midnight. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.FRIDAY...East winds 20 to 25 knots with gusts to around
30 knots. A chance of showers in the afternoon. Waves 8 to
12 feet. Waves occasionally around 15 feet.
.FRIDAY NIGHT...East winds 15 to 20 knots. Showers likely. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...East winds 15 to 20 knots becoming northeast 10 to
15 knots late in the morning...then becoming northwest 5 to
10 knots late in the afternoon. Showers likely in the morning...
then a chance of showers late in the morning. Waves 4 to 6 feet
subsiding to 1 to 3 feet. Waves occasionally around 8 feet.
.SUNDAY...North winds 5 to 10 knots veering to the east by
midnight. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots becoming southeast to 30 knots
with gusts to 35 knot gales. A chance of showers . Waves 1 to
3 feet building to 10 to 14 feet. Waves occasionally around
18 feet.


$$

LHZ363-230345-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
338 PM EDT Wed Apr 22 2026

.TONIGHT...Light and variable winds. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...East winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 3 to 5 feet.
.FRIDAY NIGHT...East winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. Showers in the
evening...then showers likely after midnight. Waves 3 to 5 feet.
.SATURDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. A chance of showers. Waves 2 to
4 feet subsiding to 1 to 3 feet late in the evening.
.SUNDAY...North winds 5 to 10 knots veering to the east by
midnight. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots becoming southeast 20 to
25 knots with gusts to 35 knot gales. A chance of showers . Waves
2 feet or less building to 8 to 12 feet. Waves occasionally
around 15 feet.


$$

LHZ462>464-230345-
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-
338 PM EDT Wed Apr 22 2026

.TONIGHT...North winds 5 to 10 knots early in the evening
becoming light and variable. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots becoming southeast
10 to 15 knots after midnight. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots becoming southeast
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. Showers. Waves 3 to 5 feet.
.SATURDAY...Northeast winds 10 to 15 knots becoming 5 to 10 knots
late in the evening. Showers in the morning...then a chance of
showers late in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.SUNDAY...North winds 5 to 10 knots veering to the northeast by
midnight. Waves 2 feet or less.
.MONDAY...East winds 10 to 15 knots becoming southeast to
30 knots with gusts to 35 knot gales. A chance of showers . Waves
1 to 3 feet building to 8 to 12 feet. Waves occasionally around
15 feet.


$$

LHZ461-230345-
MAFOR 2221/
HURON NORTH 12700 11300 13200 12210. Waves 2 feet or less
tonight. Waves 2 feet or less building to 1 to 3 feet Thursday.

HURON SOUTH 11800 11100 11200 11100 14200. Waves 2 feet or
less.

$$

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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Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

f02

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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.