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358
FZUS63 KDTX 051349
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
949 AM EDT Fri Sep 5 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...Low pressure, 29.20 inches, will track through the
Straits today dragging a cold front through the Central Great
Lakes. Gale force winds are expected over Lake Huron, with winds
just under gales over Lake St. Clair and Lake Erie. A cold
airmass over the weekend will bring a chance of waterspouts and
isolated thunderstorms over Lake Huron.

LHZ361-052200-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
949 AM EDT Fri Sep 5 2025

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...South winds to 30 knots becoming southwest 20 to
25 knots in the afternoon. Gusts to 35 knot gales. Showers. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots with gusts to around
30 knots after midnight. Showers in the evening...then showers
likely after midnight. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. Showers likely in the
morning...then a chance of showers in the afternoon. Waves 3 to
5 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. A chance of showers.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.SUNDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots late in the afternoon...then decreasing to 5 to 10 knots
late in the evening. Waves 1 to 3 feet building to 3 to 5 feet.
.MONDAY...West winds 5 to 10 knots backing to the southwest until
early morning. Waves 2 feet or less.
.TUESDAY...South winds 10 to 15 knots. A chance of showers. Waves
2 to 4 feet building to 4 to 6 feet. Waves occasionally around
8 feet.

$$

LHZ362-363-052200-
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-
949 AM EDT Fri Sep 5 2025

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...South at 35 knot gales with gusts to 40 knot
gales becoming southwest to 30 knots with gusts to 40 knot gales
early in the afternoon...then becoming west 20 to 25 knots with
gusts to around 30 knots late in the afternoon. A chance of
showers. Waves 10 to 14 feet. Waves occasionally around 18 feet.
.TONIGHT...West winds 20 to 25 knots. Gusts to 30 knots early in
the evening. A chance of showers. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. A chance of showers. Waves 4 to
6 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots. A chance of showers.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight. Waves occasionally around 8 feet.
.SUNDAY...Northwest winds 10 to 15 knots. A chance of waterspouts
in the morning. A chance of showers. Waves 3 to 5 feet.
.MONDAY...West winds 10 to 15 knots becoming south 5 to 10 knots
early in the evening...then increasing to 10 to 15 knots in the
late evening and early morning. Waves 2 to 4 feet subsiding to
1 to 3 feet until early evening...then building to 2 to 4 feet in
the late evening and early morning.
.TUESDAY...South winds 15 to 20 knots. Gusts to 30 knots until
early evening. Waves 3 to 5 feet building to 5 to 7 feet. Waves
occasionally around 10 feet.

$$

LHZ462>464-052200-
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-
949 AM EDT Fri Sep 5 2025

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Southwest winds to 30 knots becoming west 20 to
25 knots late in the afternoon. Gusts to 40 knot gales. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late evening and
overnight. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots. A chance of showers.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.SUNDAY...West winds 10 to 15 knots. A chance of showers. Waves
2 to 4 feet.
.MONDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
southwest early in the evening becoming south 10 to 15 knots in
the late evening and early morning. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LHZ461-052200-
MAFOR 0515/
HURON NORTH...Gale Warning in effect...11546 19556 11646 12636
12626 11526 11620. Waves 8 to 12 feet. Occasional wave height
around 15 feet this afternoon. Waves 5 to 7 feet. Occasional wave
height around 10 feet tonight. Waves 3 to 5 feet Saturday
morning.

HURON SOUTH...Gale Warning in effect...11540 19550 11640 19650
11630 14620 11620. A chance of showers this afternoon this
evening and Saturday morning. Waves 8 to 12 feet. Occasional
wave height around 15 feet this afternoon. Waves 5 to 7 feet.
Occasional wave height around 10 feet tonight and Saturday
morning.

$$

AM

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)