Great Lakes Forecast
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258
FZUS63 KDTX 220735
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
335 AM EDT Sat Jul 22 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...A broad area of low pressure...averaging 29.70
inches...will slowly track across Lower Michigan today and Sunday.
The system will exit to the east Sunday night, pulling a cold front
through the central Great Lakes late Sunday and Sunday night. High
pressure...30.20 inches...will build into the area Monday and
Tuesday.

LHZ361-222000-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
335 AM EDT Sat Jul 22 2017

.TODAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots becoming southeast 10 to
15 knots early in the morning. A chance of showers and
thunderstorms early in the morning. Waves 2 feet or less.
.SUNDAY...East winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. Showers and a chance of
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet in the
late morning and afternoon.
.SUNDAY NIGHT...East winds 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. Showers likely
early in the evening. A chance of thunderstorms until early
morning. A chance of showers in the late evening and early
morning. Waves 2 to 4 feet.
.MONDAY...Northeast winds 10 to 15 knots becoming north 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming southeast 5 to
10 knots until early morning. A chance of showers after midnight.
Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots early in the evening...then veering to the northwest in
the late evening and early morning. A chance of showers until
afternoon. Waves 1 to 3 feet.


$$

LHZ362-363-222000-
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-
335 AM EDT Sat Jul 22 2017

.TODAY...East winds 5 to 10 knots. A chance of showers and
thunderstorms until late afternoon. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. A chance of showers and
thunderstorms early in the morning. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. A chance of showers and thunderstorms.
Waves 1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming northeast
15 to 20 knots after midnight. A chance of showers and
thunderstorms. Waves 3 to 5 feet.
.MONDAY...Northeast winds 15 to 20 knots becoming north 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the afternoon backing to the northwest late in the
evening. A chance of showers and thunderstorms early in the
morning. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon.
.TUESDAY...Light and variable winds becoming south 5 to 10 knots
until early evening...then increasing to 10 to 15 knots in the
late evening and early morning. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. A chance of showers.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and early morning.


$$

LHZ462>464-222000-
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-
335 AM EDT Sat Jul 22 2017

.TODAY...Southeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots in
the afternoon. A chance of showers and thunderstorms. Waves
2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...Southeast winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots becoming east 10 to
15 knots in the late evening and early morning...then backing to
the northeast after midnight. A chance of showers and
thunderstorms. Waves 2 feet or less building to 2 to 4 feet after
midnight.
.MONDAY...Northeast winds 10 to 15 knots becoming north 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the afternoon decreasing to 5 to 10 knots late in the
evening. A chance of showers and thunderstorms early in the
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the
evening.
.TUESDAY...Light and variable winds becoming south 5 to 10 knots
in the late evening and early morning. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. A chance of showers. Waves 1 to
3 feet.


$$

LHZ461-221400-
MAFOR 2209/
HURON NORTH 13200 13300 12200. A chance of showers and
thunderstorms this morning. Waves 2 feet or less. 220001.

HURON SOUTH 11400 11500 13300 13200. A chance of showers and
thunderstorms today. Waves 2 feet or less. 220101.

$$

DG

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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