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FZUS63 KDTX 211312
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
912 AM EDT Tue Aug 21 2018

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...Seasonably strong low pressure, 29.60 inches, will
track across lower Michigan today. This system will deepen to
29.40 inches as it continues to lift northeast into southern
Ontario tonight. This low will exit into Quebec on Wednesday. In
its wake, pressure will build to 30.20 inches as higher pressure
settles over the east-central United States during the late week
period.

LHZ361-212015-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
912 AM EDT Tue Aug 21 2018

.REST OF TODAY...Northeast winds 5 to 10 knots becoming north
10 to 15 knots late in the afternoon. Showers. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.
.TONIGHT...North winds 15 to 20 knots. A chance of showers early
in the evening. Waves 3 to 5 feet.
.WEDNESDAY...North winds 15 to 20 knots. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming west
5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.THURSDAY...Southwest winds 5 to 10 knots becoming west 10 to
15 knots late in the afternoon. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots until early evening...then increasing to 10 to 15 knots
in the late evening and early morning. A chance of showers until
early morning. Waves 1 to 3 feet building to 2 to 4 feet until
early morning.
.SATURDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots until early morning. A chance of showers. A chance of
thunderstorms. Waves 2 to 4 feet.

$$

LHZ362-363-212015-
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-
912 AM EDT Tue Aug 21 2018

.REST OF TODAY...Northeast winds 10 to 15 knots becoming north
15 to 20 knots late in the afternoon. Showers. Waves 3 to 5 feet.
.TONIGHT...North winds 15 to 20 knots becoming northwest 20 to
25 knots with gusts to 30 knots early in the morning. Showers
likely early in the evening...then a chance of showers in the
late evening and early morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...North winds 20 to 25 knots with gusts to 30 knots
becoming northwest 15 to 20 knots early in the afternoon. A
chance of showers early in the morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. Waves 3 to 5 feet.
.THURSDAY...West winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots until early evening...then increasing to 15 to 20 knots
in the late evening and early morning. A chance of showers after
midnight. Waves 1 to 3 feet building to 3 to 5 feet until early
morning.
.SATURDAY...South winds 15 to 20 knots becoming southwest 5 to
10 knots. A chance of showers. A chance of thunderstorms. Waves
4 to 6 feet. Waves occasionally around 8 feet.

$$

LHZ462>464-212015-
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-
912 AM EDT Tue Aug 21 2018

.REST OF TODAY...Southeast winds 10 to 15 knots. Showers and a
chance of thunderstorms. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 20 knots. Showers likely and a
chance of thunderstorms early in the evening...then a chance of
showers in the late evening and overnight. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to
30 knots becoming north 15 to 20 knots early in the afternoon. A
chance of showers early in the morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.THURSDAY...West winds 5 to 10 knots becoming southwest 10 to
15 knots late in the evening. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.FRIDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots until early morning. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and early morning.
.SATURDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots until early morning. A chance of showers and
thunderstorms. Waves 3 to 5 feet.

$$

LHZ461-212015-
MAFOR 2115/
HURON NORTH 11116 11126 11826 14820 11820. Waves 2 to 4 feet
this afternoon. Waves 3 to 5 feet tonight and Wednesday morning.
220204.

HURON SOUTH 11316 11816 11726 13720 12830. A chance of
showers overnight and Wednesday morning. Waves 2 to 4 feet this
afternoon. Waves 3 to 5 feet building to 5 to 7 feet. Occasional
wave height around 10 feet tonight. Waves 6 to 9 feet. Occasional
wave height around 12 feet Wednesday morning. 220204.

$$

SF

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)

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