Great Lakes Forecast
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240
FZUS63 KDTX 182038
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
338 PM EST Sat Nov 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...Low pressure, 29.20 inches, will lift across Lake Erie
tonight. High pressure, 30.30 inches, then builds across the Ohio
Valley for the latter half of the weekend.

LHZ361-190915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
338 PM EST Sat Nov 18 2017

...GALE WARNING IN EFFECT THROUGH SUNDAY EVENING...

.TONIGHT...North winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 35 knot gales in the late evening and
overnight. Showers early in the evening...then a chance of
showers late in the evening. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.SUNDAY...Northwest winds 20 to 25 knots decreasing to 15 to
20 knots late in the morning...then increasing to 20 to 25 knots
in the afternoon. Gusts to 30 knots. A chance of snow showers
until late afternoon. Waves 5 to 7 feet. Waves occasionally
around 10 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 5 to 7 feet. Waves
occasionally around 10 feet.
.MONDAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots becoming southwest
20 to 25 knots with gusts to 30 knots after midnight. Waves 3 to
5 feet.
.TUESDAY...Southwest winds 15 to 20 knots with gusts to 30 knots
becoming west 20 to 25 knots with gusts to 35 knot gales late in
the morning...then becoming northwest 15 to 20 knots late in the
evening. A chance of showers. A chance of snow showers early in
the afternoon. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.WEDNESDAY...West winds 10 to 15 knots. Waves 3 to 5 feet
subsiding to 1 to 3 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots until early evening...then becoming northwest 10 to
15 knots in the late evening and early morning. Waves 2 to 4 feet
building to 4 to 6 feet. Waves occasionally around 8 feet.


$$

LHZ362-363-190915-
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-
338 PM EST Sat Nov 18 2017

...GALE WARNING IN EFFECT THROUGH SUNDAY EVENING...

.TONIGHT...North winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots with gusts to 40 knot gales after
midnight. Rain and snow showers in the evening...then a chance of
snow showers and showers after midnight. Waves 8 to 12 feet
building to 12 to 16 feet early in the morning. Waves
occasionally around 20 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales in the
afternoon. A chance of snow showers until late afternoon. Waves
10 to 14 feet. Waves occasionally around 18 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots after midnight. A chance of snow
showers until early morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.MONDAY NIGHT...Southwest winds 20 to 25 knots with gusts to
30 knots increasing to 30 knots with gusts to 40 knot gales in
the late evening and overnight. Waves 6 to 9 feet building to
10 to 14 feet after midnight. Waves occasionally around 18 feet.
.TUESDAY...Southwest winds to 30 knots decreasing to 20 to
25 knots late in the morning...then veering to the northwest late
in the evening. Gusts to 35 knot gales. A chance of showers late
in the morning. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 5 to 7 feet subsiding to 2 to 4 feet until early
morning. Waves occasionally around 10 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming west 20 to
25 knots with gusts to 30 knots early in the evening...then
decreasing to 15 to 20 knots with gusts to 30 knots in the late
evening and early morning. Waves 3 to 5 feet building to 5 to
7 feet until early morning. Waves occasionally around 10 feet.


$$

LHZ462>464-190915-
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-
338 PM EST Sat Nov 18 2017

...GALE WARNING IN EFFECT THROUGH SUNDAY EVENING...

.TONIGHT...North winds 20 to 25 knots with gusts to 30 knots
becoming northwest at 35 knot gales with gusts to 40 knot gales.
Showers and a chance of snow showers early in the evening...then
snow showers and a chance of showers in the late evening and
early morning. A chance of snow showers early in the morning.
Waves 8 to 12 feet building to 12 to 16 feet after midnight.
Waves occasionally around 20 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales in the
late morning and afternoon. A chance of snow showers until late
afternoon. Waves 10 to 14 feet. Waves occasionally around
18 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 6 to 9 feet. Waves
occasionally around 12 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Waves 3 to 5 feet.
.MONDAY NIGHT...Southwest winds 20 to 25 knots increasing to
30 knots after midnight. Gusts to 35 knot gales. Waves 5 to
7 feet building to 6 to 9 feet after midnight. Waves occasionally
around 12 feet.
.TUESDAY...Southwest winds to 30 knots with gusts to 35 knot
gales decreasing to 20 to 25 knots with gusts to 35 knot gales
late in the morning...then becoming west 15 to 20 knots late in
the evening. A chance of showers late in the morning. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the evening...then increasing to 10 to 15 knots
in the late evening and early morning. Waves 4 to 6 feet
subsiding to 1 to 3 feet. Waves occasionally around 8 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Waves 2 to 4 feet building to 4 to 6 feet until early
morning. Waves occasionally around 8 feet.


$$

LHZ461-190915-
MAFOR 1822/
HURON NORTH...Gale Warning in effect...12836 11830 11830 19850
12730 19750 12730. A chance of snow showers. Waves 2 to 4 feet
building to 5 to 7 feet. Occasional wave height around 10 feet
tonight. Waves 6 to 9 feet. Occasional wave height around 12 feet
Sunday. 210305 210406.

HURON SOUTH...Gale Warning in effect...11836 11847 11847 19857
11840 19850 12740 19750 11730 19750 11730. A chance of showers
overnight. A chance of snow showers Sunday. Waves 1 to 3 feet
building to 10 to 14 feet. Occasional wave height around 18 feet
tonight. Waves 10 to 14 feet subsiding to 8 to 12 feet.
Occasional wave height around 18 feet Sunday. 210406 210609.

$$

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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