Great Lakes Forecast
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000
FZUS63 KDTX 150831
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
426 AM EDT Sun Oct 15 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...Strengthening low pressure averaging 29.40 inches will
move northeast across northern Lake Huron today swinging a cold
front across the region. High pressure will build into the region
averaging 30.20 inches through early next week.

LHZ361-152000-Lake Huron from 5NM east of Mackinac Bridge to Presque
Isle Lt beyond 5 NM off shore-426 AM EDT Sun Oct 15 2017

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS
EVENING...

.TODAY...Northeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots late in the morning...then becoming
north to 30 knots with gusts to 40 knot gales early in the afternoon
decreasing to 20 to 25 knots with gusts to 35 knot gales late in the
afternoon. Showers and a chance of thunderstorms until late
afternoon...then a chance of showers late in the afternoon. Waves 6
to 9 feet building to 10 to 14 feet late in the afternoon. Waves
occasionally around 18 feet.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots
becoming northwest 20 to 25 knots. Waves 8 to 12 feet subsiding to 3
to 5 feet. Waves occasionally around 15 feet.
.MONDAY...Northwest winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon...then increasing to 10 to 15
knots early in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Waves 1 to 3 feet building to 2 to 4 feet
in the late evening and overnight.
.TUESDAY...Southwest winds 15 to 20 knots with gusts to 30 knots
decreasing to 5 to 10 knots. Waves 4 to 6 feet subsiding to 1 to 3
feet late in the evening. Waves occasionally around 8 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20
knots until early morning. Waves 1 to 3 feet building to 2 to 4 feet
until early morning.
.THURSDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
until early morning. Waves 2 to 4 feet subsiding to 2 feet or less
until early morning.


$$

LHZ362-363-152000-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-426 AM EDT Sun Oct 15 2017

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH LATE
TONIGHT...

.TODAY...Southwest winds 20 to 25 knots with gusts to 35 knot
gales becoming northwest at 35 knot gales with gusts to 45 knot
gales late in the afternoon. Showers in the morning. A chance of
thunderstorms until late afternoon. A chance of showers in the
afternoon. Waves 8 to 12 feet building to 12 to 16 feet late in the
afternoon. Waves occasionally around 20 feet.
.TONIGHT...Northwest winds to 30 knots with gusts to 40 knot gales
becoming northwest to 30 knots. A chance of waterspouts. A chance of
showers. Waves 12 to 16 feet subsiding to 8 to 12 feet early in the
morning. Waves occasionally around 20 feet.
.MONDAY...North winds 10 to 15 knots becoming west 5 to 10 knots in
the late morning and afternoon. A chance of showers early in the
morning. A chance of waterspouts until late afternoon. Waves 5 to 7
feet subsiding to 2 to 4 feet early in the afternoon.
Waves occasionally around 10 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Waves 1 to 3 feet
building to 3 to 5 feet in the late evening and overnight.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots. Waves 5 to 7 feet subsiding to 2 to 4
feet late in the evening. Waves occasionally around 10 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 30 knots until early morning. Waves 3 to 5 feet
building to 5 to 7 feet. Waves occasionally around 10 feet.
.THURSDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots.
Waves 4 to 6 feet subsiding to 1 to 3 feet until early morning.
Waves occasionally around 8 feet.


$$

LHZ462>464-152000-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-426 AM EDT Sun Oct 15 2017

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH LATE
TONIGHT...

.TODAY...Southwest winds 20 to 25 knots with gusts to 35 knot
gales becoming west to 30 knots with gusts to 45 knot gales late in
the afternoon. Showers and a chance of thunderstorms until late
afternoon...then a chance of showers late in the afternoon.
Waves 8 to 12 feet building to 10 to 14 feet late in the afternoon.
Waves occasionally around 18 feet.
.TONIGHT...Northwest winds to 30 knots with gusts to 40 knot gales
decreasing to 10 to 15 knots. A chance of waterspouts. A chance of
showers in the late evening and early morning. Waves 10 to 14 feet.
Waves occasionally around 17 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots
early in the afternoon. A chance of waterspouts until late
afternoon. Waves 6 to 9 feet subsiding to 3 to 5 feet early in the
afternoon. Waves occasionally around 12 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Waves 1 to 3 feet building to 3 to 5 feet
after midnight.
.TUESDAY...Southwest winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots late in the evening. Waves 3 to 5 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 20 to 25
knots with gusts to 30 knots. Waves 3 to 5 feet building to 4 to 6
feet in the late evening and early morning. Waves occasionally
around 8 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming west 5 to 10
knots. Waves 3 to 5 feet subsiding to 1 to 3 feet until early
morning.


$$

LHZ461-151400-MAFOR 1509/ HURON NORTH...Gale Warning in
effect...11426 11536 11620 11740 19750 11840 19850 11830 11820
11810. A chance of thunderstorms this morning...then a chance of
showers and thunderstorms this afternoon. A chance of showers
tonight. Waves 6 to 9 feet building to 10 to 14 feet. Occasional
wave height around 18 feet today. Waves 10 to 14 feet subsiding to 4
to 6 feet. Occasional wave height around 18 feet tonight. 220609.

HURON SOUTH...Gale Warning in effect...11436 12536 11740 19750 11750
11840 19850 11830 11820. A chance of waterspouts tonight. A chance
of thunderstorms today. A chance of showers tonight. Waves 6 to 9
feet building to 8 to 12 feet. Occasional wave height around 15 feet
today. Waves 12 to 16 feet subsiding to 8 to 12 feet. Occasional
wave height around 20 feet tonight.
220609.

$$

CB

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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