Great Lakes Forecast
Issued by NWS

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491
FZUS63 KDTX 150752 CCA
GLFLH

Open Lake Forecast for Lake Huron...CORRECTED
National Weather Service Detroit/Pontiac MI
352 AM EDT Tue Sep 15 2026

Corrected Synopsis

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, 29.30 inches, tracks across northern
Ontario today which elevates wind gusts to gale force across
central and northern Lake Huron. A Gale Warning is in effect there
through this afternoon. The low pressure system ushers a weak
cold front across the region Tuesday night, then high pressure
passes across northern Ontario on Wednesday.

LHZ361-151600-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
352 AM EDT Tue Sep 15 2026

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...South winds 20 to 25 knots. Gusts to 35 knot gales.
Showers in the morning. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.TONIGHT...Southwest winds 10 to 15 knots veering to the
northwest by midnight...then decreasing to 5 to 10 knots early in
the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet early in
the morning.
.WEDNESDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds. Waves 2 feet or
less.
.THURSDAY...Light and variable winds becoming west 5 to 10 knots
late in the afternoon...then becoming northwest 10 to 15 knots
late in the evening. Waves 2 feet or less.
.FRIDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable early in the evening becoming southeast 10 to
15 knots by midnight. A chance of. Waves 2 feet or less.
.SATURDAY...Southeast winds 15 to 20 knots with gusts to around
30 knots. Showers likely. A chance of showers by midnight. Waves
3 to 5 feet building to 5 to 7 feet. Waves occasionally around
10 feet.


$$

LHZ362-363-151600-
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-
352 AM EDT Tue Sep 15 2026

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...South winds to 30 knots. Gusts to 40 knot gales. Showers
in the morning. Waves 10 to 14 feet. Waves occasionally around 18
feet.
.TONIGHT...Southwest winds 10 to 15 knots veering to the
northwest after midnight...then veering to the northwest 10 to
15 knots early in the morning. Waves 5 to 7 feet subsiding to
2 to 4 feet after midnight. Waves occasionally around 10 feet.
.WEDNESDAY...North winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Light and variable winds. Waves 2 feet or
less.
.THURSDAY...Light and variable winds becoming north 5 to 10 knots
late in the afternoon...then becoming northwest 10 to 15 knots
late in the evening. Waves 2 feet or less.
.FRIDAY...North winds 10 to 15 knots veering to the northeast in
the late morning and early afternoon...then decreasing to 5 to
10 knots early in the evening becoming east 10 to 15 knots by
midnight. A chance of. Waves 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots. Showers likely. A chance
of thunderstorms. A chance of showers by midnight. Waves 2 to
4 feet building to 4 to 6 feet. Waves occasionally around 8 feet.


$$

LHZ462>464-151600-
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 Tue Sep 15 2026

.TODAY...South winds 20 to 25 knots. Gusts to 30 knots. A chance
of showers in the morning. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.TONIGHT...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening...then veering to the west after
midnight becoming west 5 to 10 knots early in the morning. Waves
3 to 5 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.WEDNESDAY...North winds 10 to 15 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. A chance of
showers after midnight. Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots increasing to 10 to
15 knots late in the evening. A chance of showers. Waves 2 feet
or less.
.FRIDAY...North winds 10 to 15 knots veering to the northeast by
midnight. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Showers likely and a chance of thunderstorms. Waves
3 to 5 feet.


$$

LHZ461-151600-
MAFOR 1509/
HURON NORTH...Gale Warning in effect...12446 19456 12440 19450
11520 11610 11710 11700. Waves 6 to 9 feet building to 8 to 12
feet...THEN building to 10 to 14 feet. Occasional wave height
around 18 feet today. Waves 6 to 9 feet subsiding to 3 to 5
feet...THEN subsiding to 1 to 3 feet. Occasional wave height
around 12 feet tonight.

HURON SOUTH...Gale Warning in effect...11430 11436 19456 12430
19450 12510 11710 11810. Waves 5 to 7 feet building to 6 to 9
feet. Occasional wave height around 12 feet today. Waves 3 to 5
feet subsiding to 2 to 4 feet tonight.

$$

BT

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)