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FZUS63 KDTX 180854
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
354 AM EST Mon Dec 18 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...A weak area of low pressure...29.90 inches...will drift
across the lower Michigan peninsula today. A much stronger low
pressure system...29.90 inches...will lift from central Canada
through Hudson Bay today and tonight. This low will drag a cold
front across the northern Great Lakes on Tuesday. The strength of
this front will make gale force wind gusts possible Monday night
through Tuesday night. Winds will ease as high pressure builds into
the region Wednesday.

LHZ361-182115-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
354 AM EST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY
NIGHT...

.TODAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Areas of drizzle and freezing drizzle
early in the morning. A chance of rain and snow showers early in
the morning. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 35 knot gales early in
the morning. A chance of showers. A chance of snow showers early
in the morning. Waves 3 to 5 feet building to 5 to 7 feet early
in the morning. Waves occasionally around 10 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 35 knot gales.
A chance of showers. A chance of snow showers in the afternoon.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.TUESDAY NIGHT...West winds to 30 knots becoming northwest 20 to
25 knots after midnight. Gusts to 40 knot gales. A chance of
showers early in the evening. A chance of snow showers until
early morning. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots with gusts to
30 knots in the morning decreasing to 10 to 15 knots...then
decreasing to 5 to 10 knots late in the afternoon becoming light
and variable. A chance of snow showers late in the evening. Waves
6 to 9 feet subsiding to 1 to 3 feet. Waves occasionally around
12 feet.
.THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
until early morning. A chance of snow showers...then snow showers
likely until early morning. Waves 1 to 3 feet building to 4 to
6 feet until early morning. Waves occasionally around 8 feet.
.FRIDAY...East winds 15 to 20 knots becoming northeast 10 to
15 knots in the late evening and early morning. Snow showers.
Showers early in the evening. A chance of snow showers after
midnight. Waves 6 to 9 feet. Waves occasionally around 12 feet.

$$

LHZ362-363-462-182115-
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-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
354 AM EST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY
NIGHT...

.TODAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. A chance of rain and snow showers
early in the morning. Areas of freezing drizzle early in the
morning. Areas of drizzle in the morning. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.
.TONIGHT...Southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 35 knot gales after
midnight. A chance of snow showers after midnight. Waves 4 to
6 feet building to 8 to 12 feet after midnight. Waves
occasionally around 15 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 35 knot gales.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.TUESDAY NIGHT...West winds to 30 knots with gusts to 40 knot
gales. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots with gusts to 35 knot
gales becoming light and variable. A chance of snow showers late
in the evening. Waves 6 to 9 feet subsiding to 3 to 5 feet late
in the afternoon. Waves occasionally around 12 feet.
.THURSDAY...North winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then increasing to 10 to
15 knots early in the evening increasing to 15 to 20 knots in the
late evening and early morning. A chance of snow showers early in
the morning...then snow showers likely. Waves 1 to 3 feet
building to 4 to 6 feet until early morning. Waves occasionally
around 8 feet.
.FRIDAY...East winds 20 to 25 knots with gusts to 30 knots
becoming southeast 15 to 20 knots until early evening...then
veering to the south with gusts to 30 knots in the late evening
and early morning. Snow showers. Showers likely. Waves 6 to
9 feet. Waves occasionally around 12 feet.

$$

LHZ463-464-182115-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
354 AM EST Mon Dec 18 2017

.TODAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. A chance of showers in the morning.
Areas of drizzle and patchy fog in the morning...then patchy
drizzle in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 35 knot gales. Patchy drizzle early in the
evening. Waves 3 to 5 feet building to 4 to 6 feet early in the
morning. Waves occasionally around 8 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 35 knot gales.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TUESDAY NIGHT...West winds 20 to 25 knots with gusts to
30 knots. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 3 to 5 feet.
.THURSDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then backing to the
southeast early in the evening increasing to 10 to 15 knots in
the late evening and early morning. A chance of snow showers. A
chance of showers in the evening. Waves 1 to 3 feet building to
2 to 4 feet in the late evening and early morning.
.FRIDAY...South winds 15 to 20 knots with gusts to 30 knots. A
chance of showers early in the morning. Snow showers likely.
Showers likely. Waves 4 to 6 feet. Waves occasionally around
8 feet.

$$

LHZ461-182115-
MAFOR 1810/
HURON NORTH...Gale Warning in effect...11605 11600 11500
12510 11520 11530 11530 19550. A chance of showers snow
showers areas of drizzle and freezing drizzle early this
morning...then a chance of showers and areas of freezing drizzle
this morning. A chance of rain and snow showers tonight. Waves 1
to 3 feet today. Waves 2 to 4 feet building to 4 to 6 feet.
Occasional wave height around 8 feet tonight. 220203.

HURON SOUTH...Gale Warning in effect...11605 11600 12510
11520 12530 11540 19550. A chance of snow showers showers
areas of drizzle and freezing drizzle early this morning...then a
chance of showers snow showers and areas of freezing drizzle
this morning. Waves 1 to 3 feet today. Waves 3 to 5 feet building
to 5 to 7 feet. Occasional wave height around 10 feet tonight.
220203.

$$

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)
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