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509
FZUS63 KDTX 140205
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1005 PM EDT Fri Apr 13 2018

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 large low pressure system over the central Plains at
29.20 inches will reach southern Lake Michigan at 29.50 inches by
Sunday morning while a strengthening high over James Bay reaches
30.70 inches leading to a tight pressure gradient across the
region. The low will then exit east of the eastern Lakes Monday
night.

LHZ361-140830-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1005 PM EDT Fri Apr 13 2018

...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots after midnight...then becoming northeast 20 to 25 knots with
gusts to 35 knots gales early in the morning. Showers this
evening. Snow showers. A chance of showers after midnight. Waves 2
feet or less building to 4 to 6 feet early in the morning. Waves
occasionally around 8 feet.
.SATURDAY...Northeast winds 20 to 25 knots with gusts to
35 knot gales. Freezing rain and snow showers until late
afternoon... then a chance of freezing rain and snow showers late
in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12
feet.
.SATURDAY NIGHT...Northeast winds 20 to 25 knots increasing to
30 knots in the late evening and overnight. Gusts to 40 knot
gales. A chance of freezing rain and snow showers early in the
evening. A chance of thunderstorms...freezing rain and snow
showers after midnight. Waves 8 to 12 feet. Waves occasionally
around 15 feet.
.SUNDAY...East winds to 30 knots increasing to 35 knot gales in
the late morning and early afternoon...then decreasing to
30 knots early in the afternoon. Gusts to 40 knot gales. Freezing
rain...snow showers and a chance of thunderstorms. Waves 10 to
14 feet. Waves occasionally around 18 feet.
.SUNDAY NIGHT...East winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots. A chance of thunderstorms in
the evening. Snow showers and freezing rain. Showers after
midnight. Waves 10 to 14 feet. Waves occasionally around 18 feet.
.MONDAY...Northeast winds 10 to 15 knots becoming northwest 15 to
20 knots late in the afternoon. Freezing rain and snow showers
likely. A chance of showers. A chance of snow showers late in the
afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.TUESDAY...Northwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 3 to 5 feet.
.WEDNESDAY...North winds 5 to 10 knots veering to the northeast
until early evening...then becoming north 10 to 15 knots in the
late evening and early morning. A chance of snow showers. A
chance of showers. Waves 1 to 3 feet.


$$

LHZ362-363-140830-
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-
1005 PM EDT Fri Apr 13 2018

...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...Northeast winds 10 to 15 knots increasing to
20 to 25 knots with gusts to 35 knot gales early in the morning.
Showers...snow showers and a chance of thunderstorms. Waves 4 to 6
feet.
.SATURDAY...Northeast winds to 30 knots with gusts to 40 knot
gales. Sleet until late afternoon. Freezing rain and snow
showers. A chance of sleet late in the afternoon. Waves 12 to
16 feet. Waves occasionally around 20 feet.
.SATURDAY NIGHT...Northeast winds to 30 knots becoming east at
35 knot gales after midnight. Gusts to 40 knot gales. Freezing
rain and sleet with snow showers likely early in the evening. A
chance of thunderstorms...freezing rain and snow showers after
midnight. Waves 10 to 14 feet. Waves occasionally around 18 feet.
.SUNDAY...East at 35 knot gales with gusts to 45 knot gales.
Freezing rain...snow showers and a chance of thunderstorms.
Showers in the afternoon. Waves 12 to 16 feet. Waves occasionally
around 20 feet.
.SUNDAY NIGHT...East winds to 30 knots with gusts to 40 knot
gales decreasing to 15 to 20 knots. A chance of thunderstorms in
the evening. Showers...freezing rain and snow showers. Waves
10 to 14 feet. Waves occasionally around 18 feet.
.MONDAY...Northeast winds 15 to 20 knots backing to the northwest
with gusts to 30 knots late in the afternoon...then increasing to
20 to 25 knots with gusts to 30 knots late in the evening.
Showers...freezing rain likely and a chance of snow showers early
in the morning. A chance of showers. A chance of snow showers
late in the afternoon. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.TUESDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots. A chance of snow showers early in
the morning. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.WEDNESDAY...North winds 5 to 10 knots becoming east 10 to
15 knots until early evening...then becoming west 15 to 20 knots
in the late evening and early morning. A chance of snow showers
until late afternoon. A chance of showers. A chance of snow
showers in the late evening and early morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the evening...then building to
3 to 5 feet in the late evening and early morning.


$$

LHZ462-140830-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
1005 PM EDT Fri Apr 13 2018

...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...Northeast winds 15 to 20 knots increasing to
20 to 25 knots with gusts to 35 knot gales early in the morning.
Showers and a chance of thunderstorms. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.SATURDAY...Northeast 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 40 knot gales.
Showers...a chance of thunderstorms and freezing rain early in
the morning. Snow showers and sleet. Freezing rain in the late
morning and afternoon. Waves 10 to 14 feet. Waves occasionally
around 18 feet.
.SATURDAY NIGHT...Northeast winds to 30 knots with gusts to
35 knot gales. Sleet and a chance of snow showers in the evening.
Freezing rain and a chance of thunderstorms. A chance of sleet
after midnight. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.SUNDAY...East winds to 30 knots decreasing to 20 to 25 knots
early in the afternoon. Gusts to 35 knot gales. Freezing rain
until late afternoon. A chance of thunderstorms. Showers in the
afternoon. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. A chance of thunderstorms early in the
evening. Showers. Waves 10 to 14 feet subsiding to 6 to 9 feet
after midnight. Waves occasionally around 18 feet.
.MONDAY...North winds 10 to 15 knots becoming northwest 15 to
20 knots with gusts to 30 knots late in the afternoon...then
increasing to 20 to 25 knots with gusts to 30 knots late in the
evening. Showers likely early in the morning...then a chance of
showers. A chance of snow showers early in the evening. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.TUESDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 5 to 10 knots. A chance of snow showers. A chance
of showers early in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...North winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then increasing to 10 to
15 knots early in the evening becoming west 15 to 20 knots in the
late evening and early morning. A chance of snow showers until
late afternoon. A chance of showers. A chance of snow showers
after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet until
early morning.


$$

LHZ463-140830-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
1005 PM EDT Fri Apr 13 2018

...GALE WARNING IN EFFECT FROM 5 AM EDT SATURDAY THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Showers and a
chance of thunderstorms. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.SATURDAY...Northeast winds 20 to 25 knots increasing to 30 knots
in the late morning and afternoon. Gusts to 35 knot gales. A
chance of thunderstorms and freezing rain in the morning.
Showers...sleet and a chance of snow showers. Freezing rain in
the afternoon. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.SATURDAY NIGHT...Northeast winds 20 to 25 knots with gusts to
30 knots. Sleet in the evening. Freezing rain and a chance of
thunderstorms. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.SUNDAY...East winds to 30 knots decreasing to 20 to 25 knots in
the late morning and afternoon. Freezing rain in the morning.
Showers and a chance of thunderstorms. A chance of freezing rain
in the afternoon. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.SUNDAY NIGHT...East winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots in the late evening and overnight. A
chance of thunderstorms early in the evening. Showers. Waves 6 to
9 feet subsiding to 3 to 5 feet after midnight. Waves
occasionally around 12 feet.
.MONDAY...Southeast winds 5 to 10 knots becoming northwest 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
with gusts to 30 knots late in the afternoon becoming west 20 to
25 knots with gusts to 30 knots late in the evening. Showers
likely early in the morning...then a chance of showers. A chance
of snow showers early in the evening. Waves 3 to 5 feet building
to 6 to 9 feet late in the afternoon. Waves occasionally around
12 feet.
.TUESDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 5 to 10 knots. A chance of snow showers early in
the morning. A chance of showers early in the afternoon. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...North winds 5 to 10 knots becoming east 10 to
15 knots until early evening...then becoming west 15 to 20 knots
in the late evening and early morning. A chance of snow showers
until late afternoon. A chance of showers. A chance of snow
showers after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet.


$$

LHZ464-140830-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
1005 PM EDT Fri Apr 13 2018

.REST OF TONIGHT...Northeast winds 10 to 15 knots increasing to
15 to 20 knots early in the morning. Showers and a chance of
thunderstorms. Waves 3 to 5 feet.
.SATURDAY...Northeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. A chance of thunderstorms in the morning. Showers and
sleet. A chance of freezing rain in the afternoon. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.SATURDAY NIGHT...Northeast winds 20 to 25 knots with gusts to
30 knots. Sleet in the evening. Freezing rain and a chance of
thunderstorms. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.SUNDAY...East winds 20 to 25 knots. Gusts to 30 knots early in
the morning then 30 knots early in the afternoon. Freezing rain
in the morning. A chance of thunderstorms. Showers in the late
morning and afternoon. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots decreasing to 5 to
10 knots. A chance of thunderstorms early in the evening. Showers
until early morning...then a chance of showers early in the
morning. Waves 3 to 5 feet.
.MONDAY...Southeast winds 5 to 10 knots becoming west 10 to
15 knots late in the morning...then becoming northwest 15 to
20 knots with gusts to 30 knots late in the afternoon. A chance
of showers. A chance of snow showers early in the evening. Waves
1 to 3 feet building to 5 to 7 feet late in the afternoon. Waves
occasionally around 10 feet.
.TUESDAY...West winds 15 to 20 knots with gusts to 30 knots
becoming northwest 5 to 10 knots until early morning. A chance of
snow showers early in the morning. Waves 4 to 6 feet subsiding to
2 to 4 feet in the late evening and early morning. Waves
occasionally around 8 feet.
.WEDNESDAY...North winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then becoming southeast 10 to
15 knots early in the evening veering to the west in the late
evening and early morning. A chance of showers in the afternoon
and evening. Waves 1 to 3 feet.


$$

LHZ461-140830-
MAFOR 1403/
HURON NORTH...Gale Warning in effect...11807 11127 13137
11130 11130 19150 11140 19150. A chance of freezing rain and
snow showers Saturday evening. Waves 2 feet or less building to 3
to 5 feet overnight. Waves 6 to 9 feet. Occasional wave height
around 12 feet Saturday and Saturday evening. 210002 210103.

HURON SOUTH...Gale Warning in effect...11126 11136 11147 19157
11157 13147 19157 11140 19150. A chance of thunderstorms
Saturday evening. Waves 3 to 5 feet building to 4 to 6 feet.
Occasional wave height around 8 feet overnight. Waves 10 to 14
feet. Occasional wave height around 18 feet Saturday. Waves 8 to
12 feet. Occasional wave height around 15 feet Saturday evening.
220305.

$$

BT

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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