Great Lakes Forecast
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407
FZUS63 KDTX 190742
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
342 AM EDT Thu Apr 19 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, 29.60 inches, will move off the Mid
Atlantic coast this morning. Meanwhile, high pressure of 30.50
inches will move from the north plains this morning to the Upper
Mississippi Valley by afternoon. This high will expand across the
Great Lakes region on Friday and will linger over the area through
the end of the weekend.

LHZ361-192015-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
342 AM EDT Thu Apr 19 2018

.TODAY...Northwest winds 15 to 20 knots. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.TONIGHT...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 4 to 6 feet subsiding to 2 to
4 feet early in the morning. Waves occasionally around 8 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...Southeast winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ362-363-192015-
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-
342 AM EDT Thu Apr 19 2018

.TODAY...Northwest winds 20 to 25 knots with gusts to 30 knots.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots after midnight. 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...West winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY...West winds 5 to 10 knots in the morning becoming
light and variable. 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...Southeast winds 5 to 10 knots backing to the east in
the late evening and early morning. Waves 1 to 3 feet.


$$

LHZ462>464-192015-
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-
342 AM EDT Thu Apr 19 2018

.TODAY...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.
.TONIGHT...Northwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots late in the
evening...then decreasing to 15 to 20 knots after midnight. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.FRIDAY...Northwest winds 10 to 15 knots. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.FRIDAY NIGHT...Light and variable winds. 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 early in the morning
becoming light and variable...then becoming east 5 to 10 knots in
the late evening and early morning. Waves 2 feet or less.


$$

LHZ461-192015-
MAFOR 1909/
HURON NORTH 11820 11830 14720 11820 11810. Waves 3 to 5 feet.
220305.

HURON SOUTH 13830 13730 12820. Waves 5 to 7 feet building to 6
to 9 feet. Occasional wave height around 12 feet today. Waves 5
to 7 feet. Occasional wave height around 9 feet tonight. 210507
210609.

$$

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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