Great Lakes Forecast
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641
FZUS63 KDTX 200743
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
343 AM EDT Thu Jul 20 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...Weak low pressure...29.80 inches...will track along a
front stalled between western Lake Erie and southern Lake Huron
today and then move to the east tonight. Thunderstorms will be
possible with this system before weak high pressure develops Friday.
The next low pressure system is then projected to approach the
region Friday night and bring another round of stormy weather for
much of the weekend. Winds will be light with little impact on waves
outside of thunderstorms.

LHZ361-202015-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
343 AM EDT Thu Jul 20 2017

.TODAY...Southeast winds 5 to 10 knots in the morning becoming
light and variable. A chance of showers and thunderstorms in the
morning. Waves 2 feet or less.
.TONIGHT...West winds 5 to 10 knots becoming northwest 10 to
15 knots after midnight...then decreasing to 5 to 10 knots early
in the morning. Waves 2 feet or less.
.FRIDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots early in the
evening becoming light and variable. Waves 2 feet or less.
.SATURDAY...East winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 2 feet or less.
.SUNDAY...East winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then becoming northeast 10 to 15 knots in
the late evening and early morning. A chance of showers and
thunderstorms. Waves 1 to 3 feet.
.MONDAY...Northeast winds 10 to 15 knots until afternoon becoming
light and variable...then becoming west 5 to 10 knots in the late
evening and early morning. Waves 1 to 3 feet.


$$

LHZ362-363-202015-
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-
343 AM EDT Thu Jul 20 2017

.TODAY...Southeast winds 5 to 10 knots until late afternoon
becoming light and variable. A chance of thunderstorms in the
morning. A chance of showers late in the morning. Waves 2 feet or
less.
.TONIGHT...North winds 5 to 10 knots backing to the northwest
after midnight...then increasing to 10 to 15 knots early in the
morning. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots backing to the east. A
chance of showers and thunderstorms. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots backing to the north early in
the evening...then becoming northeast 10 to 15 knots in the late
evening and early morning. Showers likely early in the morning. A
chance of thunderstorms. A chance of showers early in the
evening. Waves 1 to 3 feet.
.MONDAY...Northeast winds 15 to 20 knots becoming light and
variable. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and early morning.


$$

LHZ462>464-202015-
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-
343 AM EDT Thu Jul 20 2017

.TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots
late in the morning...then decreasing to 5 to 10 knots in the
afternoon. A chance of showers and thunderstorms in the late
morning and early afternoon. Waves 1 to 3 feet.
.TONIGHT...West winds 5 to 10 knots veering to the northwest in
the late evening and overnight. Waves 2 feet or less.
.FRIDAY...Northwest winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 feet or less.
.FRIDAY NIGHT...Light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. A chance of showers
after midnight. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots backing to the east
late in the evening. A chance of showers. A chance of
thunderstorms. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots becoming north 10 to 15 knots.
A chance of showers and thunderstorms. Waves 1 to 3 feet.
.MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
in the late evening and early morning. Waves 1 to 3 feet building
to 2 to 4 feet until early evening...then subsiding to 1 to
3 feet in the late evening and early morning.


$$

LHZ461-202015-
MAFOR 2009/
HURON NORTH 11500 13400 11600 11700 12710. A chance of
showers and thunderstorms this morning. Waves 1 to 3 feet.
220101.

HURON SOUTH 14400 11700 11800 12700. A chance of showers and
thunderstorms today. Waves 2 feet or less. 220101.

$$

DRK

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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