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FZUS63 KDTX 180242
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
942 PM EST Fri Nov 17 2017

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...High pressure, 30.30 inches, will continue to move off
to the east tonight while a low pressure system moves into
western portions of the Great Lakes region. This low, 29.40
inches, then pushes eastward across the region and into Saturday.

LHZ361-180915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
942 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...South winds 15 to 20 knots decreasing to 5 to
10 knots. Periods of showers. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots late in the afternoon. Gusts to 35
knot gales. Numerous showers early in the morning...then a chance
of showers late in the morning. Showers in the afternoon. Waves 4
to 6 feet subsiding to 3 to 5 feet in the afternoon. Waves
occasionally around 8 feet.
.SATURDAY NIGHT...North winds 20 to 25 knots with gusts to
35 knot gales. Showers early in the evening...then a chance of
showers in the late evening and early morning. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SUNDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.MONDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming southwest 10 to 15 knots late
in the afternoon increasing to 15 to 20 knots with gusts to
30 knots late in the evening. Waves 3 to 5 feet subsiding to 1 to
3 feet late in the morning...then building to 3 to 5 feet late in
the afternoon.
.TUESDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and early afternoon...then
increasing to 20 to 25 knots early in the evening decreasing to
15 to 20 knots in the late evening and early morning. Gusts to
30 knots. A chance of rain and snow showers in the afternoon.
Waves 5 to 7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. Waves 3 to 5 feet.

$$

LHZ362-363-180915-
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-
942 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...South winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots early in the morning.
Periods of showers. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming 15 to
20 knots with gusts to 35 knot gales late in the afternoon.
Periods of showers early in the morning...then a chance of showers
late in the morning. Showers in the afternoon. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.SATURDAY NIGHT...North winds 20 to 25 knots increasing to
35 knot gales in the late evening and overnight. Gusts to 40 knot
gales. Showers until early morning. Waves 8 to 12 feet building
to 14 to 18 feet in the late evening and overnight. Waves
occasionally around 23 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 40 knot
gales. Waves 12 to 16 feet. Waves occasionally around 20 feet.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
35 knot gales becoming west 15 to 20 knots with gusts to 30 knots
in the late evening and overnight. Waves 10 to 14 feet subsiding
to 5 to 7 feet after midnight. Waves occasionally around 18 feet.
.MONDAY...West winds 15 to 20 knots decreasing to 10 to 15 knots
late in the morning...then becoming southwest 15 to 20 knots with
gusts to 30 knots late in the afternoon increasing to 20 to
25 knots with gusts to 35 knot gales late in the evening. Waves
4 to 6 feet building to 6 to 9 feet late in the evening. Waves
occasionally around 12 feet.
.TUESDAY...West winds 20 to 25 knots. Gusts to 35 knot gales. A
chance of showers in the afternoon. A chance of snow showers late
in the afternoon. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.WEDNESDAY...West winds 15 to 20 knots with gusts to 30 knots
becoming northwest 10 to 15 knots in the late evening and early
morning. Waves 5 to 7 feet. Waves occasionally around 10 feet.

$$

LHZ462>464-180915-
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-
942 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...South winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots early in the morning.
Periods of showers. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.SATURDAY...South winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
north 10 to 15 knots late in the afternoon. Showers. Waves 3 to
5 feet subsiding to 1 to 3 feet early in the afternoon...then
building to 3 to 5 feet late in the afternoon.
.SATURDAY NIGHT...North winds to 30 knots becoming northwest at
35 knot gales in the late evening and overnight. Gusts to 45 knot
gales. Showers until early morning...then a chance of showers
early in the morning. Waves 8 to 12 feet building to 14 to
18 feet in the late evening and overnight. Waves occasionally
around 23 feet. A gale warning may be needed.
.SUNDAY...Northwest winds to 30 knots decreasing to 20 to
25 knots early in the afternoon. Gusts to 40 knot gales. A chance
of showers in the morning. A chance of snow showers until late
afternoon. Waves 12 to 16 feet. Waves occasionally around
20 feet.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots becoming west 15 to 20 knots with gusts to 30 knots in
the late evening and overnight. Waves 8 to 12 feet subsiding to
5 to 7 feet after midnight. Waves occasionally around 15 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
with gusts to 30 knots late in the afternoon increasing to 20 to
25 knots with gusts to 35 knot gales late in the evening. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 35 knot
gales becoming west 15 to 20 knots with gusts to 30 knots until
early morning. A chance of showers in the afternoon. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...West winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LHZ461-180915-
MAFOR 1804/
HURON NORTH...Gale Warning in effect...12436 11516 11700
11806 11826 11836 11840 19850. Waves 6 to 9 feet. Occasional
wave height around 12 feet overnight. Waves 4 to 6 feet subsiding
to 2 to 4 feet. Occasional wave height around 8 feet Saturday.
Waves 4 to 6 feet Saturday evening. 220609.

HURON SOUTH...Gale Warning in effect...12436 11526 11516
11706 11816 11836 11846 19856. Waves 5 to 7 feet. Occasional
wave height around 9 feet overnight. Waves 3 to 5 feet subsiding
to 1 to 3 feet Saturday. Waves 6 to 9 feet building to 8 to 12
feet. Occasional wave height around 15 feet Saturday evening.
220508.

$$

SC

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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