Great Lakes Forecast
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000
FZUS63 KDTX 190133
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
931 PM EDT Wed Apr 18 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 Pennsylvania Wednesday
afternoon through  Thursday morning. Gusty northwesterly flow
between 20 - 25 knots,  isolated 30 knots, is expected Thursday
afternoon as a pressure  gradient tightens across the lakes.
Pressure will then gradually be  on the rise as a broad surface
high pressure system starts to move  east into the Midwest.
Pressure is expected to average 30.20 inches  by Thursday
afternoon and will increase to 30.40 inches by Friday  afternoon.
High pressure will reside across the Great Lakes region  through
the weekend.

LHZ361-190800-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
931 PM EDT Wed Apr 18 2018

.REST OF TONIGHT...North winds 5 to 10 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.THURSDAY...Northwest winds 15 to 20 knots. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. Waves 3 to
5 feet.
.FRIDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY...Light and variable winds. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming southeast 5 to
10 knots in the late evening and early morning. Waves 2 feet or
less.
.MONDAY...South winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ362-363-190800-
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-
931 PM EDT Wed Apr 18 2018

.REST OF TONIGHT...North winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. Waves 3 to 5 feet building to
5 to 7 feet early in the morning. Waves occasionally around
10 feet.
.THURSDAY...Northwest winds 20 to 25 knots with gusts to
30 knots. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.THURSDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots with gusts to 30 knots in
the late evening and overnight. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.FRIDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon. Waves 3 to 5 feet.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming southwest 5 to 10 knots late
in the evening. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming south 5 to 10 knots
in the late evening and early morning. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots. Waves 1 to 3 feet.


$$

LHZ462>464-190800-
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-
931 PM EDT Wed Apr 18 2018

.REST OF TONIGHT...North winds 5 to 10 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 5 to 7 feet. Waves
occasionally around 10 feet.
.THURSDAY...North winds 20 to 25 knots with gusts to 30 knots. A
chance of snow showers in the morning. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots. Gusts to
30 knots until early morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.FRIDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots early in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.FRIDAY NIGHT...Light and variable winds becoming west 5 to
10 knots after midnight. Waves 1 to 3 feet.
.SATURDAY...Light and variable winds. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots in
the late evening and early morning. Waves 2 feet or less.
.MONDAY...Southeast winds 5 to 10 knots until afternoon becoming
light and variable...then becoming southeast 5 to 10 knots in the
late evening and early morning. Waves 2 feet or less.


$$

LHZ461-190800-
MAFOR 1903/
HURON NORTH 13820 11830 14720. Waves 1 to 3 feet building to 3
to 5 feet overnight. Waves 3 to 5 feet Thursday and Thursday
evening. 220204.

HURON SOUTH 11810 11820 13830 13730. Waves 1 to 3 feet
building to 3 to 5 feet overnight. Waves 6 to 9 feet. Occasional
wave height around 12 feet Thursday and Thursday evening. 210203
210406.

$$

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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