Great Lakes Forecast
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FZUS63 KDTX 172047
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
347 PM EST Sun Dec 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...A weak front just south of Lake Erie will move back
northward tonight as weak low pressure, 29.90 inches, moves through
the central Great Lakes. A larger low pressure system over central
Canada Monday will move through Hudson Bay Monday night and pull a
cold front through the northern Great Lakes through Tuesday. The
strength of this front will make gale force wind gusts possible
Monday night through Tuesday night.

LHZ361-180915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
347 PM EST Sun Dec 17 2017

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to
10 knots after midnight...then veering to the southwest early in
the morning. A chance of drizzle and freezing drizzle in the late
evening and overnight. A chance of showers in the late evening
and overnight. A chance of snow showers after midnight. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. A chance 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.
.MONDAY NIGHT...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 showers. A chance of snow showers
early in the morning. Waves 3 to 5 feet building to 5 to 7 feet
after midnight. Waves occasionally around 10 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots. A
chance of showers early in the morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.TUESDAY NIGHT...West winds 20 to 25 knots with gusts to 35 knot
gales. A chance of snow showers until early morning. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...Northwest winds 15 to 20 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 5 to 7 feet subsiding to
1 to 3 feet. Waves occasionally around 10 feet.
.THURSDAY...East winds 5 to 10 knots increasing to 15 to
20 knots. A chance of snow showers...then snow showers likely
after midnight. Waves 1 to 3 feet building to 3 to 5 feet until
early morning.
.FRIDAY...East winds 15 to 20 knots becoming northeast 10 to
15 knots in the late evening and early morning. Snow showers.
Showers likely early in the evening. Waves 4 to 6 feet.


$$

LHZ362-363-462-180915-
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-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
347 PM EST Sun Dec 17 2017

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...Southeast winds 10 to 15 knots veering to the
southwest early in the morning. A chance of drizzle and freezing
drizzle after midnight. A chance of rain and snow showers after
midnight. Waves 2 to 4 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 in
the afternoon. A chance 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 building to 2 to 4 feet late in the
afternoon.
.MONDAY NIGHT...Southwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to 35 knot gales in the late evening
and overnight. A chance of snow showers after midnight. Waves
4 to 6 feet building to 8 to 12 feet in the late evening and
overnight. 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 20 to 25 knots with gusts to 35 knot
gales. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots with gusts to
30 knots decreasing to 10 to 15 knots late in the afternoon...
then becoming light and variable late in the evening. 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...Light and variable winds becoming east 5 to 10 knots
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...
then snow showers likely until early morning. Waves 1 to 3 feet
building to 3 to 5 feet until early morning.
.FRIDAY...East winds 15 to 20 knots becoming southeast 20 to
25 knots in the late evening and early morning. Rain and snow
showers. Waves 4 to 6 feet.


$$

LHZ463-464-180915-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
347 PM EST Sun Dec 17 2017

.TONIGHT...South winds 10 to 15 knots veering to the southwest
early in the morning. Patchy fog. A chance of drizzle after
midnight. Waves 1 to 3 feet building to 2 to 4 feet in the late
evening and early morning...then subsiding to 1 to 3 feet early
in the morning.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. A chance of drizzle early in the
morning. Patchy fog in the morning. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 15 to 20 knots with gusts to
30 knots increasing to 20 to 25 knots with gusts to 30 knots
after midnight. Waves 3 to 5 feet building to 4 to 6 feet after
midnight. Waves occasionally around 8 feet.
.TUESDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and afternoon. Gusts to 30 knots.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and early morning...then decreasing
to 15 to 20 knots after midnight. Gusts to 30 knots. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming light and
variable. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the
evening. Waves occasionally around 8 feet.
.THURSDAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and early afternoon...then
increasing to 10 to 15 knots until early morning. A chance of
showers in the afternoon and evening. A chance of snow showers.
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. Rain and snow showers
likely. Waves 2 to 4 feet.


$$

LHZ461-180915-
MAFOR 1722/
HURON NORTH 12310 11410 11500 12600 11500 11510. A chance of
showers drizzle and freezing drizzle this evening. A chance of
showers drizzle freezing drizzle and snow showers overnight. A
chance of showers and freezing drizzle Monday morning. Waves 1 to
3 feet. 220203.

HURON SOUTH 12310 11410 11510 12600 12510. A chance of
showers drizzle freezing drizzle and snow showers overnight. A
chance of freezing drizzle and snow showers Monday morning. Waves
1 to 3 feet. 220103.

$$

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)



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