Great Lakes Forecast
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FZUS63 KDTX 170828
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
328 AM EST Fri Nov 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 low pressure system, 29.60 inches, will continue
to track from southern Ontario into southern Quebec today. High
pressure, 30.30 inches, trailing this system will slide through the
central Great Lakes through tonight. This high then departs on
Friday, with the next low pressure system set to arrive on Saturday.

LHZ361-172115-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
328 AM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TODAY...Southeast winds 5 to 10 knots becoming south 15 to
20 knots. A chance of showers late in the afternoon. Waves 1 to
3 feet building to 5 to 7 feet. Waves occasionally around
10 feet.
.TONIGHT...South winds 15 to 20 knots decreasing to 5 to
10 knots. Snow showers likely early in the evening. Showers.
Waves 5 to 7 feet. Waves occasionally around 10 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots with gusts to 30 knots early in the
afternoon. Showers early in the morning...then a chance of
showers late in the morning. Showers likely in the afternoon.
Waves 3 to 5 feet.
.SATURDAY NIGHT...North winds 20 to 25 knots with gusts to
35 knot gales. Showers likely early in the evening...then a
chance of showers in the late evening and early morning. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots late in
the morning...then becoming west 10 to 15 knots late in the
evening. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then becoming southwest
10 to 15 knots early in the evening increasing to 15 to 20 knots
with gusts to 30 knots in the late evening and early morning.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and early afternoon...then building to 3 to 5 feet until early
morning.
.TUESDAY...West winds 20 to 25 knots becoming northwest 15 to
20 knots in the late evening and early morning. Gusts to 35 knot
gales. Waves 5 to 7 feet. Waves occasionally around 10 feet.


$$

LHZ362-363-172115-
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-
328 AM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TODAY...East winds 5 to 10 knots becoming southeast 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
early in the afternoon increasing to 20 to 25 knots with gusts to
30 knots late in the afternoon. Waves 1 to 3 feet building to
4 to 6 feet in the afternoon. Waves occasionally around 8 feet.
.TONIGHT...South winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots early in the morning. Showers. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...South winds 5 to 10 knots becoming northwest 10 to
15 knots in the late morning and early afternoon...then becoming
north 20 to 25 knots with gusts to 35 knot gales early in the
afternoon. Showers early in the morning...then a chance of
showers late in the morning. Showers in the afternoon. Waves 4 to
6 feet.
.SATURDAY NIGHT...North winds to 30 knots with gusts to 40 knot
gales. Showers until early morning. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 40 knot gales
becoming west 15 to 20 knots. Waves 10 to 14 feet subsiding to
6 to 9 feet late in the evening. Waves occasionally around
18 feet.
.MONDAY...West winds 10 to 15 knots becoming southwest 20 to
25 knots with gusts to 35 knot gales. Waves 5 to 7 feet building
to 8 to 12 feet in the late evening and early morning. Waves
occasionally around 15 feet.
.TUESDAY...Southwest winds 20 to 25 knots veering to the
northwest in the late evening and early morning. Gusts to 40 knot
gales. Waves 8 to 12 feet. Waves occasionally around 15 feet.


$$

LHZ462>464-172115-
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-
328 AM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TODAY...Light and variable winds becoming south 5 to 10 knots
late in the morning...then increasing to 10 to 15 knots early in
the afternoon increasing to 15 to 20 knots late in the afternoon.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and early afternoon...then building to 3 to 5 feet late in the
afternoon.
.TONIGHT...South winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots early in the morning. Showers. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then becoming
north 15 to 20 knots with gusts to 30 knots early in the
afternoon. Showers. Waves 4 to 6 feet subsiding to 2 to 4 feet in
the late morning and early afternoon...then building to 5 to
7 feet early in the afternoon. Waves occasionally around 10 feet.
.SATURDAY NIGHT...North winds to 30 knots increasing to 35 knot
gales in the late evening and early morning...then becoming
northwest to 30 knots after midnight. Gusts to 40 knot gales.
Showers until early morning...then a chance of showers early in
the morning. Waves 10 to 14 feet. Waves occasionally around
18 feet. A gale warning may be needed.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 40 knot
gales becoming west 15 to 20 knots late in the evening. A chance
of showers in the morning. A chance of snow showers early in the
morning. Waves 10 to 14 feet subsiding to 6 to 9 feet late in the
evening. Waves occasionally around 18 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots with gusts to 30 knots early in the
evening increasing to 20 to 25 knots with gusts to 35 knot gales
in the late evening and early morning. Waves 4 to 6 feet building
to 6 to 9 feet in the late evening and early morning. Waves
occasionally around 12 feet.
.TUESDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots in the late evening and early morning. Gusts to 35 knot
gales. Waves 6 to 9 feet. Waves occasionally around 12 feet.


$$

LHZ461-172115-
MAFOR 1710/
HURON NORTH 11200 11310 12420 13436 11426. Waves 2 feet or
less building to 4 to 6 feet. Occasional wave height around 8
feet today. Waves 6 to 9 feet. Occasional wave height around 12
feet tonight. 220102.

HURON SOUTH 11200 11300 11410 11420 13436 11426. Waves 1 to
3 feet building to 3 to 5 feet today. Waves 5 to 7 feet.
Occasional wave height around 10 feet tonight. 220103.

$$

DRC

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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