109
FZUS63 KDTX 170820
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
420 AM EDT Tue Jun 17 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...A low pressure system, around 29.50 inches, tracking
across Lake Superior today will pull a warm front up through the
region. A second low will then lift through Lower MI and Lake
Huron on Wednesday bringing a chance of strong to severe storms.
A cold front will stall over the region on Thursday.

LHZ361-362-171630-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
420 AM EDT Tue Jun 17 2025

.TODAY...South winds 10 to 15 knots. A chance of showers and
thunderstorms in the morning...then a chance of showers in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon.
.TONIGHT...North winds 5 to 10 knots in the evening becoming
light and variable. Waves 1 to 3 feet.
.WEDNESDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. A chance of showers. Waves 2 feet or
less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots becoming northeast
10 to 15 knots after midnight. Showers likely and a chance of
thunderstorms in the evening...then a chance of showers and
thunderstorms after midnight. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots veering to the northwest
late in the morning...then becoming west 5 to 10 knots late in
the afternoon. A chance of showers. Waves 2 to 4 feet subsiding
to 1 to 3 feet late in the evening.
.FRIDAY...West winds 5 to 10 knots veering to the east until
early morning. A chance of showers until early morning. A chance
of thunderstorms in the late evening and early morning. Waves
2 feet or less.
.SATURDAY...South winds 10 to 15 knots. Showers likely and a
chance of thunderstorms until afternoon. Waves 1 to 3 feet
building to 2 to 4 feet.


$$

LHZ363-171630-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
420 AM EDT Tue Jun 17 2025

.TODAY...South winds 10 to 15 knots. Waves 1 to 3 feet.
.TONIGHT...South winds 5 to 10 knots until early morning becoming
light and variable. Waves 1 to 3 feet.
.WEDNESDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. A chance of showers in the
morning...then a chance of showers and thunderstorms in the
afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and early morning...then veering to
the south after midnight. Showers likely and a chance of
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.THURSDAY...Southwest winds 10 to 15 knots veering to the
northwest late in the morning...then becoming west 5 to 10 knots
late in the afternoon. A chance of showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.
.FRIDAY...West winds 5 to 10 knots backing to the east until
early morning. A chance of showers and thunderstorms in the late
evening and early morning. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then becoming
southwest 10 to 15 knots until early morning. Showers likely and
a chance of thunderstorms until afternoon...then a chance of
showers until early morning. Waves 1 to 3 feet building to 2 to
4 feet.


$$

LHZ462>464-171630-
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-
420 AM EDT Tue Jun 17 2025

.TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Waves 1 to 3 feet.
.TONIGHT...South winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots veering to the east in the
late morning and afternoon. A chance of showers in the morning...
then a chance of showers and thunderstorms in the afternoon.
Waves 2 feet or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Showers and a
chance of thunderstorms in the evening...then a chance of showers
and thunderstorms after midnight. Waves 1 to 3 feet building to
2 to 4 feet after midnight.
.THURSDAY...Southwest winds 10 to 15 knots veering to the west
late in the morning...then decreasing to 5 to 10 knots late in
the afternoon. A chance of showers. A chance of showers late in
the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late in
the afternoon.
.FRIDAY...West winds 5 to 10 knots backing to the southeast in
the late evening and early morning. A chance of showers early in
the morning. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots veering to the southwest
in the late evening and early morning. A chance of showers and
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet.


$$

LHZ461-171630-
MAFOR 1709/
HURON NORTH 14410 11500 13700. A chance of showers this
afternoon and evening. Waves 2 to 4 feet today. Waves 1 to 3 feet
tonight.

HURON SOUTH 11400 14410 11500 11800 11100. A chance of
showers this evening. Waves 2 feet or less.

$$

AA

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)