Great Lakes Forecast
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FZUS63 KDTX 120303
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1003 PM EST Mon Dec 11 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 low pressure clipper system averaging 29.60 inches
will continue to push east across Michigan through Monday evening,
and will be positioned across New England by Tuesday afternoon. A
brief increase in pressure up to 29.90 inches is expected across the
Great Lakes by Wednesday afternoon before a second clipper system,
averaging 29.60 inches, drops south of Michigan Wednesday into
Thursday.

LHZ361-120915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1003 PM EST Mon Dec 11 2017

...GALE WARNING IN EFFECT THROUGH TUESDAY EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 AM EST TUESDAY
THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...Southwest winds 10 to 15 knots becoming west
20 to 25 knots with gusts to 40 knot gales after midnight...then
becoming northwest to 30 knots with gusts to 40 knot gales early
in the morning. A chance of snow. Waves 2 to 4 feet building to
6 to 9 feet after midnight. Waves occasionally around 12 feet.
.TUESDAY...North winds to 30 knots with gusts to 40 knot gales
becoming northwest 20 to 25 knots with gusts to 40 knot gales in
the late morning and afternoon. Heavy freezing spray. A chance of
snow showers. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.TUESDAY NIGHT...North winds 20 to 25 knots with gusts to
30 knots decreasing to 10 to 15 knots. Freezing spray early in
the evening. A chance of snow showers. Waves 4 to 6 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Waves occasionally around 8 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet.
.THURSDAY...Northwest winds 5 to 10 knots backing to the
southwest late in the evening. A chance of snow showers late in
the evening. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
west 10 to 15 knots until early morning. A chance of snow
showers. A chance of snow showers after midnight. Waves 1 to
3 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots until early evening...then becoming east 10 to 15 knots
in the late evening and early morning. A chance of snow showers
early in the morning. A chance of snow showers in the afternoon
and evening...then snow showers likely after midnight. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and early
morning.


$$

LHZ362-120915-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
1003 PM EST Mon Dec 11 2017

...GALE WARNING IN EFFECT THROUGH LATE TUESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 AM EST TUESDAY
THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...Southwest winds 15 to 20 knots veering to the
west with gusts to 30 knots after midnight...then becoming
northwest to 30 knots with gusts to 45 knot gales early in the
morning. Snow likely in the late evening and early morning...then
a chance of snow early in the morning. Waves 4 to 6 feet building
to 8 to 12 feet early in the morning. Waves occasionally around
15 feet.
.TUESDAY...Northwest at 35 knot gales decreasing to 30 knots in
the afternoon. Gusts to 45 knot gales. Heavy freezing spray. Snow
showers likely. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.TUESDAY NIGHT...North winds to 30 knots with gusts to 35 knot
gales becoming northwest 15 to 20 knots. Freezing spray. Snow
showers likely early in the evening. A chance of snow showers in
the late evening and overnight. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Freezing spray in
the morning. A chance of snow showers until late afternoon. Waves
4 to 6 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 3 to
5 feet. Waves occasionally around 8 feet.
.THURSDAY...Northwest winds 10 to 15 knots backing to the west
late in the evening. A chance of snow showers until late
afternoon. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots until early evening...then veering to the west in the
late evening and early morning. A chance of snow showers. Waves
3 to 5 feet building to 4 to 6 feet in the late evening and early
morning. Waves occasionally around 8 feet.
.SATURDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots early in the evening becoming northeast
15 to 20 knots in the late evening and early morning. A chance of
snow showers...then snow showers likely until early morning.
Waves 3 to 5 feet.


$$

LHZ363-462-463-120915-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
1003 PM EST Mon Dec 11 2017

...GALE WARNING IN EFFECT THROUGH LATE TUESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 AM EST TUESDAY
THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...South winds 10 to 15 knots veering to the west
after midnight...then becoming northwest to 30 knots with gusts
to 45 knot gales early in the morning. A chance of snow. Waves
3 to 5 feet building to 8 to 12 feet early in the morning. Waves
occasionally around 15 feet.
.TUESDAY...Northwest at 35 knot gales decreasing to 30 knots late
in the afternoon. Gusts to 45 knot gales. Freezing spray. Snow
showers likely. Waves 14 to 18 feet. Waves occasionally around
23 feet.
.TUESDAY NIGHT...Northwest winds to 30 knots with gusts to
40 knot gales decreasing to 20 to 25 knots with gusts to 30 knots
after midnight. Freezing spray. Snow showers likely. Waves 10 to
14 feet. Waves occasionally around 18 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots with gusts to 30 knots in
the late morning and afternoon. Freezing spray until late
afternoon. Snow showers likely early in the morning. A chance of
snow showers in the late morning and early afternoon. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. A chance of snow
showers. Waves 3 to 5 feet.
.THURSDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots late in the afternoon...then backing to the west late in
the evening. A chance of snow showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to 30 knots. A chance of snow showers. A
chance of snow showers after midnight. Waves 3 to 5 feet building
to 4 to 6 feet in the late evening and early morning. Waves
occasionally around 8 feet.
.SATURDAY...West winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots until early evening...then backing
to the south in the late evening and early morning. A chance of
snow showers...then showers likely in the evening. Snow showers
likely until early morning. Waves 3 to 5 feet.


$$

LHZ464-120915-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
1003 PM EST Mon Dec 11 2017

...GALE WARNING IN EFFECT THROUGH LATE TUESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 AM EST TUESDAY
THROUGH LATE TUESDAY NIGHT...

.REST OF TONIGHT...South winds 5 to 10 knots veering to the west
after midnight...then becoming northwest 20 to 25 knots with
gusts to 35 knot gales early in the morning. A chance of snow.
Waves 2 feet or less building to 4 to 6 feet early in the
morning. Waves occasionally around 8 feet.
.TUESDAY...Northwest winds to 30 knots increasing to 35 knot
gales in the late morning and early afternoon...then decreasing
to 30 knots late in the afternoon. Gusts to 45 knot gales.
Freezing spray. A chance of snow showers. Waves 10 to 14 feet.
Waves occasionally around 18 feet.
.TUESDAY NIGHT...Northwest winds to 30 knots with gusts to
40 knot gales. Freezing spray. A chance of snow showers. Waves
10 to 14 feet. Waves occasionally around 18 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to
30 knots becoming west 10 to 15 knots. Freezing spray until late
afternoon. A chance of snow showers early in the morning. A
chance of snow showers early in the afternoon. Waves 6 to 9 feet
subsiding to 4 to 6 feet early in the afternoon. Waves
occasionally around 12 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. A chance of snow
showers until early morning. Waves 3 to 5 feet subsiding to 1 to
3 feet in the late evening and overnight.
.THURSDAY...Northwest winds 5 to 10 knots backing to the west
late in the evening. A chance of snow showers late in the
morning. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots. A chance of snow showers. A chance of snow showers
after midnight. Waves 1 to 3 feet building to 2 to 4 feet in the
late evening and early morning.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then backing to the south in the
late evening and early morning. A chance of snow showers...then
showers likely in the evening. Snow showers likely until early
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet until early
morning.


$$

LHZ461-120915-
MAFOR 1204/
HURON NORTH...Gale Warning in effect...11617 11737 19757 11747
19767 11847 19867 11847 19857 12837 19857 11830. Waves 2 to 4
feet building to 5 to 7 feet. Occasional wave height around 10
feet overnight. Waves 6 to 9 feet. Occasional wave height around
12 feet Tuesday. Waves 4 to 6 feet Tuesday evening. 210204
210507.

HURON SOUTH...Gale Warning in effect...11510 11740 19750 13757
11747 19757 12847 19857. A chance of snow overnight. Waves 2 to
4 feet building to 6 to 9 feet. Occasional wave height around 12
feet overnight. Waves 12 to 16 feet. Occasional wave height
around 20 feet Tuesday. Waves 10 to 14 feet. Occasional wave
height around 18 feet Tuesday evening. 210204 210507.

$$

MR

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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