Great Lakes Forecast
Issued by NWS

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307
FZUS63 KDTX 271947
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
347 PM EDT Mon Jul 27 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 low pressure system tracks through the region this
evening, pulling a cold front southward overnight into Tuesday
morning. The low will stall near the eastern Great Lakes while
high pressure builds into the western Great Lakes Tuesday into
Thursday. This maintains a period of moderate northerly flow
through midweek.

LHZ361-280400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
347 PM EDT Mon Jul 27 2026

.TONIGHT...Light and variable winds becoming north 10 to
15 knots. A chance of showers and thunderstorms in the evening.
Waves 2 feet or less.
.TUESDAY...North winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.WEDNESDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to
10 knots in the late evening and overnight. Waves 2 feet or less.
.THURSDAY...Light and variable winds. Waves 2 feet or less.
.FRIDAY...Light and variable winds. Waves 2 feet or less.
.SATURDAY...Light and variable winds. A chance of showers. Waves
2 feet or less.


$$

LHZ362-363-280400-
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-
347 PM EDT Mon Jul 27 2026

.TONIGHT...Southeast winds 5 to 10 knots veering to the west
after midnight...then becoming west 5 to 10 knots early in the
morning. A chance of showers and thunderstorms in the evening...
then a chance of thunderstorms after midnight. Waves 2 feet or
less building to 2 to 4 feet early in the morning.
.TUESDAY...North winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots in the late morning and
afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.TUESDAY NIGHT...North winds 15 to 20 knots. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots early in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.THURSDAY...North winds 5 to 10 knots becoming light and
variable. Waves 2 feet or less.
.FRIDAY...Light and variable winds. Waves 2 feet or less.
.SATURDAY...Light and variable winds. A chance of showers . Waves
2 feet or less.


$$

LHZ462>464-280400-
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-
347 PM EDT Mon Jul 27 2026

.TONIGHT...South winds 5 to 10 knots becoming north 10 to
15 knots early in the morning. A chance of showers and
thunderstorms in the evening...then showers after midnight. Waves
2 feet or less building to 2 to 4 feet early in the morning.
.TUESDAY...North winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
afternoon. Waves 6 to 9 feet building to 8 to 12 feet late in the
afternoon. Waves occasionally around 15 feet.
.TUESDAY NIGHT...North winds 20 to 25 knots decreasing to 15 to
20 knots in the late evening and overnight. Gusts to 30 knots.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...North winds 20 to 25 knots with gusts to around
30 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots with gusts to
around 30 knots decreasing to 10 to 15 knots in the late evening
and overnight. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.THURSDAY...North winds 5 to 10 knots in the morning increasing
to 10 to 15 knots...then decreasing to 5 to 10 knots late in the
afternoon becoming light and variable. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.FRIDAY...Light and variable winds. Waves 2 feet or less.
.SATURDAY...Light and variable winds becoming east 5 to 10 knots
early in the evening...then becoming light and variable by
midnight. A chance of showers . Waves 2 feet or less.


$$

LHZ461-280400-
MAFOR 2721/
HURON NORTH 11400 11806 11706 11800 14810. A chance of
thunderstorms tonight. Waves 1 to 3 feet.

HURON SOUTH 11400 11506 11706 11800 11810 13820. A chance of
thunderstorms tonight. Waves 2 feet or less tonight. Waves 2 to 4
feet building to 4 to 6 feet. Occasional wave height around 8
feet Tuesday.

$$

TF

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)