Great Lakes Forecast
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FZUS63 KDTX 170908
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
402 AM EST Sat Feb 17 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...High pressure averaging 30.30 inches is spread across the
southern Great Lakes and Ohio Valley and will push eastward reaching
the east coast this afternoon. The next low pressure system
averaging 29.40 inches will track slowly across Hudson Bay today
before pulling a weak cold front across the eastern lakes early
tonight. High pressure will again track through the Ohio Valley on
Sunday averaging 30.20 inches across the Great Lakes. Large low
pressure system developing over the plains will then target the
region Monday through mid week.

LHZ361-172100-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
402 AM EST Sat Feb 17 2018

.TODAY...Southwest winds 15 to 20 knots. A chance of snow showers
in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 15 knots becoming west 15 to
20 knots early in the morning. A chance of snow showers until
early morning. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots early in the morning becoming
light and variable...then becoming southeast 10 to 15 knots early
in the afternoon. A chance of snow showers in the afternoon.
Waves 1 to 3 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots becoming south
5 to 10 knots. A chance of snow showers in the evening...then a
chance of showers after midnight. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots in the morning becoming light
and variable...then becoming northeast 10 to 15 knots late in the
afternoon. A chance of snow showers. Showers. Freezing rain late
in the afternoon. Waves 2 feet or less.
.TUESDAY...Northeast winds 10 to 15 knots becoming north 5 to
10 knots. A chance of freezing rain and showers early in the
morning. Freezing rain and showers likely until early evening. A
chance of snow showers until early morning. Waves 2 feet or less.
.WEDNESDAY...Northwest winds 5 to 10 knots. A chance of snow
showers. Waves 2 feet or less.

Wave heights are for ice free areas.

$$

LHZ362-363-172100-
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-
402 AM EST Sat Feb 17 2018

.TODAY...Southwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late morning and early
afternoon...then becoming south 15 to 20 knots with gusts to
30 knots late in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.TONIGHT...Southwest winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. A chance of snow showers until early
morning. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.SUNDAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then becoming
south 10 to 15 knots early in the afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...South winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots after midnight. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.MONDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the east late in the
afternoon becoming northeast 10 to 15 knots late in the evening.
A chance of snow showers. Showers. A chance of freezing rain late
in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet late
in the evening.
.TUESDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then increasing to 10 to 15 knots in the
late evening and early morning. A chance of freezing rain early
in the morning. Showers. Snow showers likely until early morning.
Waves 2 to 4 feet.
.WEDNESDAY...North winds 10 to 15 knots. A chance of snow showers
early in the morning. A chance of snow showers in the afternoon
and evening. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$

LHZ462>464-172100-
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-
402 AM EST Sat Feb 17 2018

.TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon.
.TONIGHT...Southwest winds 10 to 15 knots. A chance of snow
showers until early morning.
.SUNDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon.
.SUNDAY NIGHT...South winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and early morning...then decreasing
to 15 to 20 knots after midnight.
.MONDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then increasing to 10 to 15 knots late in
the evening. A chance of showers in the morning. Showers.
.TUESDAY...Southwest winds 5 to 10 knots increasing to southwest
10 to 15 knots until early morning. A chance of thunderstorms.
Showers. A chance of snow showers in the late evening and early
morning.
.WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning. Showers likely
early in the morning. A chance of snow showers. A chance of
showers until late afternoon.

Waves omitted due to ice coverage.

$$

LHZ461-171500-
MAFOR 1710/
HURON NORTH 11520 13530 12520 12610. A chance of snow showers
this afternoon and tonight. Waves 2 feet or less building to 3 to
5 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight.
210103 210305.

Wave heights are for ice free areas.

HURON SOUTH 11510 11420 12520 11427 12527 11610. 22MMMM.

Waves omitted due to ice coverage.

$$

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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