Great Lakes Forecast
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378
FZUS63 KDTX 122016
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
316 PM EST Tue Dec 12 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 surface ridge will bring a brief increase in
pressure up to 29.90 inches this afternoon before a second clipper
system, averaging 29.60 inches, drops south of Michigan Wednesday
into Thursday.

LHZ361-130915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
316 PM EST Tue Dec 12 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots after midnight. Freezing spray early
in the evening. Waves 4 to 6 feet subsiding to 2 to 4 feet early
in the morning. Waves occasionally around 8 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon.
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots late in the afternoon. A chance of snow showers. Waves
1 to 3 feet building to 2 to 4 feet late in the evening.
.SATURDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the north until early morning. A chance of snow showers in the
afternoon and evening. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.SUNDAY...North winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and early afternoon...then veering
to the southwest early in the evening veering to the west in the
late evening and early morning. A chance of snow showers. Waves
1 to 3 feet.


$$

LHZ362-363-130915-
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-
316 PM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest winds to 30 knots with gusts to 40 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots.
Freezing spray. A chance of snow showers. Waves 10 to 14 feet
subsiding to 8 to 12 feet early in the morning. Waves
occasionally around 18 feet.
.WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and afternoon. A chance of snow
showers in the morning. A chance of snow in the late morning and
afternoon. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the
afternoon. Waves occasionally around 8 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
15 to 20 knots in the late evening and overnight. Snow showers
likely in the evening. A chance of snow showers after midnight.
Waves 3 to 5 feet building to 4 to 6 feet after midnight. Waves
occasionally around 8 feet.
.THURSDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Waves 4 to 6 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning...then decreasing
to 10 to 15 knots after midnight. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight. Waves occasionally
around 8 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots late in the evening. A chance of snow showers. Waves
3 to 5 feet building to 5 to 7 feet late in the evening. Waves
occasionally around 10 feet.
.SATURDAY...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. A chance of snow showers. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.SUNDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots early in the evening becoming
southwest 10 to 15 knots in the late evening and early morning. A
chance of snow showers. Waves 3 to 5 feet.


$$

LHZ462>464-130915-
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-
316 PM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest at 35 knot gales with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales.
Freezing spray. Snow showers likely early in the evening. A
chance of snow showers in the late evening and overnight. Waves
10 to 14 feet. Waves occasionally around 18 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots early in the morning
becoming west 10 to 15 knots...then decreasing to 5 to 10 knots
early in the afternoon becoming light and variable. A chance of
snow showers in the morning. A chance of snow in the late morning
and early afternoon...then snow likely late in the afternoon.
Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally
around 12 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north
15 to 20 knots in the late evening and overnight. Snow showers.
Waves 2 to 4 feet building to 4 to 6 feet in the late evening and
overnight. Waves occasionally around 8 feet.
.THURSDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Snow showers likely early in the
morning...then a chance of snow showers in the late morning and
early afternoon. Waves 4 to 6 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. Waves
occasionally around 8 feet.
.FRIDAY...Southwest winds 15 to 20 knots. A chance of snow
showers in the morning. Snow showers likely late in the morning...
then a chance of snow showers early in the evening. Waves 2 to
4 feet building to 3 to 5 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 5 to
10 knots. A chance of snow showers. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.SUNDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots early in the evening becoming
southwest 10 to 15 knots in the late evening and early morning.
Waves 2 to 4 feet.


$$

LHZ461-130915-
MAFOR 1222/
HURON NORTH...Gale Warning in effect...11837 19857 11830 11820
12810 13100. A chance of snow showers this evening. Waves 5 to 7
feet subsiding to 2 to 4 feet. Occasional wave height around 10
feet tonight. Waves 1 to 3 feet Wednesday. 220508.

HURON SOUTH...Gale Warning in effect...11747 19757 11847 19857
11737 19757 11730 11727 11717 11700 11100. A chance of snow
Wednesday afternoon. Waves 10 to 14 feet subsiding to 6 to 9
feet. Occasional wave height around 18 feet tonight. Waves 4 to 6
feet subsiding to 2 to 4 feet. Occasional wave height around 8
feet Wednesday. 221014.

$$

JVC

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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