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Current Regional Radar

Current Hazards

 

 

Current Forecast


058
FZUS63 KDTX 160141
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
941 PM EDT Fri May 15 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...Low pressure trough, averaging 29.80 inches, tracks
through the Great Lakes Saturday morning leading to showers and
thunderstorms. Southwest winds become variable with localized
gusty winds over 30 knots possible in any thunderstorm activity.
A shallow cold front stalls south of Lake Huron Saturday night
before high pressure arrives Sunday.

LHZ361-160945-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
941 PM EDT Fri May 15 2026

.REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots after midnight...then decreasing to 10 to 15 knots early
in the morning. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.SATURDAY...South winds 10 to 15 knots veering to the west in the
afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.SUNDAY...Northwest winds 5 to 10 knots veering to the north in
the late morning and early afternoon...then becoming east 10 to
15 knots early in the afternoon. Waves 2 feet or less building to
2 to 4 feet early in the afternoon.
.SUNDAY NIGHT...East winds 15 to 20 knots. Showers likely in the
evening...then a chance of showers after midnight. Waves 4 to
6 feet.
.MONDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots late in the morning...then becoming southwest 5 to
10 knots late in the afternoon becoming south 10 to 15 knots late
in the evening. Showers likely late in the morning. A chance of
thunderstorms. Rain showers late in the afternoon. Waves 3 to
5 feet. Waves occasionally around 8 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest 20 to
25 knots early in the evening...then veering to the northwest by
midnight. Showers likely and a chance of thunderstorms...then a
chance of showers by midnight. Waves 4 to 6 feet building to 6 to
9 feet by midnight. Waves occasionally around 12 feet.
.WEDNESDAY...West winds 20 to 25 knots with gusts to around
30 knots becoming northwest 15 to 20 knots by midnight. Waves
6 to 9 feet. Waves occasionally around 12 feet.


$$

LHZ362-363-160945-
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-
941 PM EDT Fri May 15 2026

.REST OF TONIGHT...South winds 15 to 20 knots. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.SATURDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots in the afternoon. A chance of showers in the morning.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.SATURDAY NIGHT...North winds 5 to 10 knots becoming northwest
10 to 15 knots in the late evening and overnight. Waves 2 to
4 feet.
.SUNDAY...Northwest winds 5 to 10 knots veering to the northeast
early in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast
15 to 20 knots in the late evening and overnight. A chance of
showers. Waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. Waves occasionally around 8 feet.
.MONDAY...South winds 15 to 20 knots. A chance of showers. Rain
showers likely and a chance of thunderstorms late in the
afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.TUESDAY...South winds 15 to 20 knots veering to the southwest by
midnight. Showers likely early in the morning...then a chance of
showers. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Waves 6 to 9 feet.
Waves occasionally around 12 feet.


$$

LHZ462>464-160945-
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-
941 PM EDT Fri May 15 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...South winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then becoming southwest 10 to
15 knots in the afternoon. Showers likely in the morning. Waves
3 to 5 feet.
.SATURDAY NIGHT...West winds 5 to 10 knots veering to the north
in the late evening and overnight. Waves 2 to 4 feet subsiding to
2 feet or less in the late evening and overnight.
.SUNDAY...North winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.
.MONDAY...South winds 15 to 20 knots decreasing to 10 to 15 knots
late in the evening. A chance of showers late in the afternoon.
Waves 3 to 5 feet.
.TUESDAY...South winds 15 to 20 knots. Showers likely and a
chance of thunderstorms. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. A chance of showers
early in the morning. Waves 3 to 5 feet.


$$

LHZ461-160945-
MAFOR 1603/
HURON NORTH 12420 11410 11420 11520 11610 12710. A chance of
showers Saturday morning. Waves 4 to 6 feet. Occasional wave
height around 8 feet overnight. Waves 3 to 5 feet subsiding to 2
to 4 feet Saturday. Waves 2 to 4 feet Saturday evening.

HURON SOUTH 13410 11420 11410 11510 11610 11800. A chance of
showers Saturday morning. Waves 2 to 4 feet.

$$

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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f30

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Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

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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.