Great Lakes Forecast
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FZUS63 KDTX 231940
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
340 PM EDT Mon Apr 23 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...Ridge of high pressure, 30.20 inches, extending over
the northern Great Lakes will begin to retreat eastward tonight
as a weak cold front approaches Lake Superior from the north.
Rain showers will spread over the region ahead of the front
before it moves through Lake Huron and Lower Michigan Tuesday
night and early Wednesday. The front will be followed briefly by
high pressure, 29.90 inches, Thursday before the next cold front
arrives Friday.

LHZ361-240815-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
340 PM EDT Mon Apr 23 2018

.TONIGHT...East winds 5 to 10 knots until early morning becoming
light and variable. Waves 2 feet or less.
.TUESDAY...Light and variable winds. A chance of showers. Waves
2 feet or less.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming northwest
10 to 15 knots in the late evening and overnight. A chance of
showers. Waves 1 to 3 feet.
.WEDNESDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots early in the afternoon. A chance of showers until late
afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet early in
the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 5 to 10 knots backing to the
southwest late in the morning...then veering to the west late in
the evening. A chance of rain and snow showers after midnight.
Waves 2 feet or less.
.FRIDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots. A chance of rain and snow showers early in the morning.
Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ362-363-240815-
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-
340 PM EDT Mon Apr 23 2018

.TONIGHT...East winds 5 to 10 knots veering to the south early in
the morning. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots backing to the southeast in
the afternoon. A chance of showers. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots becoming northwest
10 to 15 knots after midnight. A chance of showers. Waves 1 to
3 feet.
.WEDNESDAY...North winds 15 to 20 knots. A chance of showers.
Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. A chance of
showers early in the evening. Waves 3 to 5 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then backing to the south late in
the afternoon becoming southwest 10 to 15 knots late in the
evening. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...Northwest winds 10 to 15 knots decreasing to northwest
in the late evening and early morning. A chance of snow showers
until late afternoon. A chance of showers. Waves 1 to 3 feet.
.SATURDAY...West winds 5 to 10 knots veering to the northwest
5 to 10 knots in the late evening and early morning. Waves 2 to
4 feet.


$$

LHZ462>464-240815-
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-
340 PM EDT Mon Apr 23 2018

.TONIGHT...Southeast winds 5 to 10 knots veering to the south
early in the morning. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots. A chance of showers.
Waves 2 feet or less.
.TUESDAY NIGHT...East winds 5 to 10 knots backing to the north
after midnight. A chance of showers. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots increasing to 20 to
25 knots in the late morning and early afternoon...then
decreasing to 15 to 20 knots early in the afternoon. A chance of
showers. Waves 2 to 4 feet building to 4 to 6 feet in the late
morning and afternoon. Waves occasionally around 8 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. A chance of
showers early in the evening. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then backing to the south late in
the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...West winds 5 to 10 knots veering to the north. A chance
of snow showers early in the morning. A chance of showers. Waves
1 to 3 feet.
.SATURDAY...West winds 5 to 10 knots. Waves 2 to 4 feet subsiding
to 1 to 3 feet until early morning.


$$

LHZ461-240815-
MAFOR 2321/
HURON NORTH 13200 11300 12400 11410 11400. A chance of
showers Tuesday. Waves 2 feet or less. 220101.

HURON SOUTH 11200 12300 13400 12300. A chance of showers
Tuesday. Waves 2 feet or less. 220101.

$$

SF

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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