Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 142003
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
403 PM 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...Low pressure averaging 29.60 inches will push northeast from
southern Indiana into the Ohio Valley Saturday afternoon into Sunday
morning. A strong pressure gradient will develop across the Great
Lakes, producing gale to storm force winds over the open water. Low
pressure averaging 29.60 inches will then center across southern
Michigan early Monday morning, and will push northeast across Lake
Huron by by Monday afternoon. Strong winds will persist through
Tuesday morning.

LHZ361-150815-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
403 PM EDT Sat Apr 14 2018

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

.TONIGHT...Northeast winds 20 to 25 knots becoming east to
30 knots in the late evening and overnight. Gusts to 40 knot
gales. A chance of snow showers early in the evening. Snow
showers early in the morning. Waves 8 to 12 feet building to
10 to 14 feet early in the morning. Waves occasionally around
18 feet.
.SUNDAY...East winds to 30 knots increasing to 35 knot gales in
the late morning and afternoon. Gusts to 45 knot gales. A chance
of sleet in the morning. Snow showers. Sleet and a chance of
freezing rain 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 with gusts to 40 knot
gales decreasing to 20 to 25 knots with gusts to 30 knots after
midnight. Sleet in the evening. Snow showers. Showers after
midnight. Waves 12 to 16 feet. Waves occasionally around 20 feet.
.MONDAY...Northeast winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. A chance of freezing
rain in the morning. Snow showers with showers likely. Waves 6 to
9 feet subsiding to 3 to 5 feet early in the afternoon. Waves
occasionally around 12 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots increasing to
15 to 20 knots with gusts to 30 knots in the late evening and
overnight. Rain and snow showers likely early in the evening...
then a chance of showers late in the evening. A chance of snow
showers in the late evening and overnight. Waves 3 to 5 feet.
.TUESDAY...Northwest winds 15 to 20 knots decreasing to 5 to
10 knots. A chance of snow showers early in the morning. Waves
3 to 5 feet subsiding to 2 to 4 feet late in the evening.
.WEDNESDAY...Northwest winds 5 to 10 knots veering to the
northeast in the late morning and early afternoon...then veering
to the east early in the evening becoming northeast 10 to
15 knots in the late evening and early morning. A chance of snow
showers early in the afternoon. A chance of showers. A chance of
snow showers until early morning. Waves 2 feet or less building
to 2 to 4 feet in the late evening and early morning.
.THURSDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. A chance of snow showers until
afternoon. A chance of showers. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and early morning.


$$

LHZ362-363-150815-
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-
403 PM EDT Sat Apr 14 2018

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

.TONIGHT...Northeast winds to 30 knots increasing to 35 knot
gales after midnight. Gusts to 45 knot gales. Snow showers and a
chance of sleet early in the evening...then a chance of snow
showers in the late evening and early morning. Snow showers
likely...freezing rain and possible sleet likely early in the
morning. Waves 12 to 16 feet. Waves occasionally around 20 feet.
.SUNDAY...East at 40 knot gales with storm force gusts to
50 knots. Snow showers likely in the morning. Freezing rain and
sleet. Showers and a chance of snow showers in the afternoon.
Precipitation may be heavy at times early in the afternoon. Waves
15 to 20 feet. Waves occasionally around 25 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 after
midnight. Sleet in the evening. Showers. Snow showers late in the
evening. Waves 14 to 18 feet subsiding to 10 to 14 feet after
midnight. Waves occasionally around 23 feet.
.MONDAY...Northeast winds 10 to 15 knots. Rain and snow showers.
Waves 6 to 9 feet subsiding to 3 to 5 feet early in the
afternoon. Waves occasionally around 12 feet.
.MONDAY NIGHT...West winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. A chance of showers in the evening. A chance of snow
showers. Waves 4 to 6 feet building to 6 to 9 feet after
midnight. Waves occasionally around 12 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots. A chance of snow showers until late
afternoon. A chance of showers early in the morning. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...West 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 becoming northeast 15 to 20 knots
in the late evening and early morning. A chance of showers. A
chance of snow showers 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.
.THURSDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. A chance of snow
showers early in the morning. A chance of showers. Waves 5 to
7 feet. Waves occasionally around 10 feet.


$$

LHZ462-150815-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
403 PM EDT Sat Apr 14 2018

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

.TONIGHT...Northeast at 35 knot gales decreasing to 30 knots in
the late evening and overnight. Gusts to 40 knot gales. Snow
showers in the evening. Freezing rain and sleet. A chance of snow
showers after midnight. Waves 12 to 16 feet. Waves occasionally
around 20 feet.
.SUNDAY...East winds to 30 knots with gusts to 40 knot gales. A
chance of sleet in the morning. Freezing rain. Showers in the
afternoon. Waves 12 to 16 feet. Waves occasionally around
20 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots after midnight. Showers. Waves 8 to
12 feet subsiding to 5 to 7 feet after midnight. Waves
occasionally around 15 feet.
.MONDAY...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon...then veering
to the southwest early in the afternoon. Showers likely until
late afternoon. A chance of snow showers early in the afternoon...
then a chance of showers late in the afternoon. Waves 3 to 5 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.MONDAY NIGHT...West winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. A chance of showers until early
morning. A chance of snow showers in the late evening and
overnight. Waves 3 to 5 feet building to 5 to 7 feet after
midnight. Waves occasionally around 10 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots. A chance of snow showers until late
afternoon. A chance of showers late in the morning. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.WEDNESDAY...West winds 5 to 10 knots veering to the north in the
late morning and early afternoon...then becoming northeast 10 to
15 knots until early morning. A chance of showers. A chance of
snow showers in the late evening and early morning. Waves 1 to
3 feet building to 3 to 5 feet in the late evening and early
morning.
.THURSDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. A chance of snow
showers early in the morning. A chance of showers. A chance of
snow showers in the late evening and early morning. Waves 5 to
7 feet. Waves occasionally around 10 feet.


$$

LHZ463-150815-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
403 PM EDT Sat Apr 14 2018

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

.TONIGHT...Northeast winds to 30 knots decreasing to 20 to
25 knots in the late evening and early morning...then becoming
east to 30 knots early in the morning. Gusts to 35 knot gales.
Freezing rain and a chance of sleet. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.SUNDAY...East winds 20 to 25 knots increasing to 35 knot gales.
A chance of sleet early in the morning. Freezing rain until late
afternoon. Showers in the afternoon. Waves 8 to 12 feet building
to 10 to 14 feet late in the afternoon. Waves occasionally around
18 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts to
30 knots becoming east 5 to 10 knots. Showers. Waves 10 to
14 feet subsiding to 4 to 6 feet in the late evening and
overnight. Waves occasionally around 18 feet.
.MONDAY...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Showers likely until
late afternoon. A chance of snow showers early in the afternoon...
then a chance of showers late in the afternoon. Waves 1 to
3 feet.
.MONDAY NIGHT...West winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. A chance of showers until early
morning. A chance of snow showers in the late evening and
overnight. Waves 2 to 4 feet building to 4 to 6 feet in the late
evening and overnight. Waves occasionally around 8 feet.
.TUESDAY...West winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots late in the afternoon. A chance of
snow showers until late afternoon. A chance of showers late in
the morning. Waves 3 to 5 feet subsiding to 2 to 4 feet late in
the evening.
.WEDNESDAY...West winds 5 to 10 knots veering to the north in the
late morning and early afternoon...then increasing to 10 to
15 knots until early morning. 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.
.THURSDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots until early morning. A chance of snow showers early in
the morning. A chance of showers. A chance of snow showers in the
late evening and early morning. Waves 4 to 6 feet.


$$

LHZ464-150815-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
403 PM EDT Sat Apr 14 2018

.TONIGHT...East winds 20 to 25 knots with gusts to 30 knots. A
chance of sleet in the evening. Freezing rain. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.SUNDAY...East winds 20 to 25 knots increasing to 35 knot gales.
Freezing rain in the morning. A chance of freezing rain early in
the afternoon. Showers in the afternoon. Waves 8 to 12 feet
building to 10 to 14 feet late in the afternoon. Waves
occasionally around 18 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Showers. Waves 8 to 12 feet subsiding to
2 to 4 feet. Waves occasionally around 15 feet.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. Showers likely until
late afternoon. A chance of showers late in the afternoon. Waves
1 to 3 feet.
.MONDAY NIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. A chance of showers until early morning. A chance of
snow showers in the late evening and overnight. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.
.TUESDAY...West winds 15 to 20 knots with gusts to 30 knots
decreasing to 5 to 10 knots. A chance of snow showers until late
afternoon. A chance of showers late in the morning. Waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon.
.WEDNESDAY...Light and variable winds becoming northeast 5 to
10 knots in the late morning and early afternoon...then becoming
north 10 to 15 knots until early morning. A chance of showers. A
chance of snow showers after midnight. Waves 1 to 3 feet building
to 2 to 4 feet in the late evening and early morning.
.THURSDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots until early morning. A chance of snow showers early in
the morning. A chance of showers. A chance of snow showers after
midnight. Waves 3 to 5 feet.


$$

LHZ461-150815-
MAFOR 1421/
HURON NORTH...Gale Warning in effect...11137 11140 19150 11240
19250 11250 12257 12250 19270. A chance of freezing rain
Sunday morning. Waves 6 to 9 feet building to 10 to 14 feet.
Occasional wave height around 18 feet tonight. Waves 12 to 16
feet building to 14 to 18 feet. Occasional wave height around 23
feet Sunday. 210508 210609.

HURON SOUTH...Gale Warning in effect...11157 12140 19150 14250
11256. A chance of sleet this evening...then a chance of sleet
and snow showers overnight. A chance of sleet Sunday morning.
Waves 12 to 16 feet. Occasional wave height around 20 feet.
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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