Great Lakes Forecast
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FZUS63 KDTX 140747
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
347 AM EDT Sat Apr 14 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 beginning to exit the
central Plains at 29.50 inches will weaken slightly while it
tracks east along a warm front draped across the southern Great
Lakes. The center of the low will reach southern Lake Michigan at
29.60 inches by Sunday morning while a strengthening high over
James Bay reaches 30.80 inches leading to a tight pressure
gradient across the region. The low will then exit east of the
eastern Lakes Monday night.

LHZ361-142015-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
347 AM EDT Sat Apr 14 2018

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

.TODAY...Northeast winds 20 to 25 knots with gusts to 30 knots.
Snow showers with freezing rain likely 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.
.TONIGHT...Northeast winds 20 to 25 knots with gusts to 30 knots
becoming east at 35 knot gales with gusts to 40 knot gales. A
chance of freezing rain and snow showers early in the morning.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.SUNDAY...East at 35 knot gales with gusts to 40 knot gales.
Freezing rain...snow showers and a chance of thunderstorms. Sleet
in the afternoon. Precipitation may be heavy at times late in the
afternoon. Waves 12 to 16 feet. Waves occasionally around
20 feet.
.SUNDAY NIGHT...East winds to 30 knots decreasing to 20 to
25 knots in the late evening and overnight. Gusts to 35 knot
gales. A chance of thunderstorms early in the evening. Sleet and
a chance of freezing rain in the evening. Snow showers and
showers. 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. Snow showers with showers and
freezing rain likely...then a chance of rain and snow showers
late in the afternoon. Waves 6 to 9 feet subsiding to 4 to
6 feet. Waves occasionally around 12 feet.
.TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 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...Northwest winds 5 to 10 knots veering to the
northeast in the late morning and early afternoon...then becoming
east 10 to 15 knots until early morning. A chance of snow showers
in the afternoon. A chance of showers. A chance of snow showers
in the late evening and early morning. Waves 1 to 3 feet building
to 2 to 4 feet in the late evening and early morning.


$$

LHZ362-363-142015-
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-
347 AM EDT Sat Apr 14 2018

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

.TODAY...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. Sleet
early in the morning. Freezing rain and snow showers. A chance of
sleet late in the morning. Waves 12 to 16 feet. Waves
occasionally around 20 feet.
.TONIGHT...Northeast at 35 knot gales with gusts to 40 knot
gales. A chance of freezing rain and sleet in the evening. A
chance of snow showers. Freezing rain likely after midnight.
Waves 12 to 16 feet. Waves occasionally around 20 feet.
.SUNDAY...East at 35 knot gales with gusts to 40 knot gales. Snow
showers likely in the morning. Freezing rain...sleet and a chance
of thunderstorms. Showers in the afternoon. Precipitation may be
heavy at times early in the morning. Precipitation may be heavy at
times 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 with gusts to 30 knots. A
chance of thunderstorms...freezing rain and sleet in the evening.
Showers. Snow showers after midnight. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.MONDAY...East winds 10 to 15 knots backing to the west late in
the morning...then increasing to 15 to 20 knots late in the
afternoon increasing to 20 to 25 knots with gusts to 30 knots
late in the evening. Rain and snow showers in the morning. A
chance of showers. A chance of snow showers late in the
afternoon. Waves 6 to 9 feet subsiding to 5 to 7 feet late in the
morning...then building to 8 to 12 feet late in the evening.
Waves occasionally around 15 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
becoming northwest 10 to 15 knots. A chance of snow showers early
in the morning. Waves 6 to 9 feet subsiding to 4 to 6 feet in the
late evening and early morning. Waves occasionally around
12 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots becoming east 10 to
15 knots until early morning. A chance of showers. A chance of
snow showers after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and early afternoon...then building to
2 to 4 feet early in the evening building to 4 to 6 feet in the
late evening and early morning. Waves occasionally around 8 feet.


$$

LHZ462-142015-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
347 AM EDT Sat Apr 14 2018

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

.TODAY...Northeast winds to 30 knots increasing to 35 knot gales
in the late morning and 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.
.TONIGHT...Northeast at 35 knot gales decreasing to 30 knots
after midnight. Gusts to 40 knot gales. A chance of freezing rain
and sleet in the evening. A chance of thunderstorms. Freezing
rain likely 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 40 knot gales. A chance of sleet
in the morning. Freezing rain and 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 in the late evening and overnight. A chance of
thunderstorms early in the evening. Showers. Waves 8 to 12 feet.
Waves occasionally around 15 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming west 15 to
20 knots with gusts to 30 knots late in the morning...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
4 to 6 feet building to 6 to 9 feet late in the evening. Waves
occasionally around 12 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
becoming northwest 10 to 15 knots. A chance of snow showers early
in the morning. Waves 6 to 9 feet subsiding to 3 to 5 feet in the
late evening and early morning. Waves occasionally around
12 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots veering to the north
in the late morning and early afternoon...then becoming east
10 to 15 knots early in the evening veering to the south in the
late evening and early morning. A chance of showers in the
afternoon and evening. Waves 1 to 3 feet building to 4 to 6 feet
in the late evening and early morning. Waves occasionally around
8 feet.


$$

LHZ463-142015-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
347 AM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

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


$$

LHZ464-142015-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
347 AM EDT Sat Apr 14 2018

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


$$

LHZ461-142015-
MAFOR 1409/
HURON NORTH...Gale Warning in effect...11137 12147 11140 11130
19150 11140 19150 11240 19250 11250. A chance of freezing rain
and snow showers overnight. Waves 3 to 5 feet building to 5 to 7
feet. Occasional wave height around 10 feet today. Waves 6 to 9
feet building to 8 to 12 feet. Occasional wave height around 15
feet tonight. 220508.

HURON SOUTH...Gale Warning in effect...12147 19157 12157 13150
11250. A chance of freezing rain snow showers and sleet in the
evening...then a chance of freezing rain overnight. Waves 5 to 7
feet building to 10 to 14 feet. Occasional wave height around 18
feet today. Waves 8 to 12 feet. Occasional wave height around 15
feet tonight. 210710 211013.

$$

SC

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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