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314
FZUS63 KDTX 181357
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
957 AM EDT Mon May 18 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 warm front lifts across Lake Huron this morning,
with southerly flow expanding across all of the local waters.
Strong to severe thunderstorms are possible this afternoon-
evening and again Tuesday as a cold front sweeps across the
region. High pressure, 30.50 inches, then builds in mid-week.

LHZ361-182200-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
957 AM EDT Mon May 18 2026

.REST OF TODAY...Southeast winds 10 to 15 knots decreasing to
5 to 10 knots in the afternoon. A chance of showers and
thunderstorms in the afternoon. Waves 3 to 5 feet.
.TONIGHT...South winds 5 to 10 knots backing to the southeast in
the late evening and overnight. A chance of showers and
thunderstorms. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight.
.TUESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then veering
to the southwest early in the afternoon. Showers likely and a
chance of thunderstorms in the morning...then showers in the
afternoon. Waves 3 to 5 feet building to 4 to 6 feet early in the
afternoon. Waves occasionally around 8 feet.
.TUESDAY NIGHT...Northwest winds 20 to 25 knots. Gusts to
30 knots in the late evening and overnight. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to around
30 knots becoming north 5 to 10 knots. Waves 5 to 7 feet
subsiding to 2 to 4 feet late in the evening. Waves occasionally
around 10 feet.
.THURSDAY...Light and variable winds becoming east 5 to 10 knots
. Waves 2 feet or less.
.FRIDAY...Southeast winds 5 to 10 knots becoming east 10 to
15 knots. Waves 2 feet or less building to 2 to 4 feet.

$$

LHZ362-363-182200-
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-
957 AM EDT Mon May 18 2026

.REST OF TODAY...South winds 15 to 20 knots. A chance of showers
and thunderstorms in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.TONIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. A chance of showers
and thunderstorms in the evening...then a chance of showers after
midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TUESDAY...South winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and afternoon. A chance of showers
in the afternoon. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots veering to the
northwest in the late evening and overnight. A chance of showers
in the evening. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots veering to the north
late in the afternoon...then decreasing to 10 to 15 knots late in
the evening. Waves 6 to 9 feet subsiding to 4 to 6 feet late in
the evening. Waves occasionally around 12 feet.
.THURSDAY...North winds 5 to 10 knots veering to the northeast by
midnight. Waves 2 to 4 feet subsiding to 2 feet or less.
.FRIDAY...East winds 5 to 10 knots increasing to 10 to 15 knots.
Waves 1 to 3 feet building to 2 to 4 feet by midnight.

$$

LHZ462>464-182200-
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-
957 AM EDT Mon May 18 2026

.REST OF TODAY...South winds 15 to 20 knots. Waves 3 to 5 feet.
.TONIGHT...South winds 10 to 15 knots. Showers likely and a
chance of thunderstorms in the evening...then a chance of showers
after midnight. Waves 3 to 5 feet.
.TUESDAY...South winds 15 to 20 knots. A chance of showers and
thunderstorms in the afternoon. Waves 3 to 5 feet.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots. A chance of
showers and thunderstorms in the evening. Waves 3 to 5 feet.
.WEDNESDAY...North winds 10 to 15 knots. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.FRIDAY...East winds 5 to 10 knots increasing to 10 to 15 knots .
Waves 1 to 3 feet building to 2 to 4 feet by midnight.

$$

LHZ461-182200-
MAFOR 1815/
HURON NORTH 11420 11426 12416 13410 11420. A chance of
thunderstorms. Waves 3 to 5 feet.

HURON SOUTH 12410 11419 11416 14410. Waves 2 to 4 feet.

$$

DRK

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)