Great Lakes Forecast
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FZUS63 KDTX 170257
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
957 PM EST Fri Feb 16 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 will build east
across the Ohio Valley late Friday into Saturday morning, bringing
dry conditions and calm to light winds to the Great Lakes. Southwest
winds gusting between 20 - 30 knots are expected by mid to late
Saturday morning and will continue throughout the day as a pressure
gradient strengthens across Lake Huron. Pressure will also decrease
down to 30.00 inches Saturday evening as an upper-level disturbance
slides across Michigan, before increasing back to 30.40 inches by
Sunday morning as a second high pressure system moves in across the
Ohio Valley.

LHZ361-170915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
957 PM EST Fri Feb 16 2018

.REST OF TONIGHT...Southwest winds 10 to 15 knots. Waves 2 feet
or less.
.SATURDAY...Southwest winds 15 to 20 knots. A chance of snow
showers in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming west
15 to 20 knots after midnight. A chance of snow showers until
early morning. Waves 1 to 3 feet.
.SUNDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
southeast early in the afternoon. A chance of snow showers in the
afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots becoming south
5 to 10 knots after midnight. A chance of snow showers. Waves
2 feet or less.
.MONDAY...South winds 5 to 10 knots backing to the east late in
the morning...then becoming northeast 10 to 15 knots late in the
evening. A chance of showers...snow showers and freezing rain in
the morning...then showers. Snow showers late in the afternoon.
Waves 2 feet or less.
.TUESDAY...North winds 5 to 10 knots. A chance of snow showers. A
chance of showers early in the evening. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots becoming northwest 10 to
15 knots until early morning. A chance of snow showers early in
the morning. A chance of snow showers in the afternoon and
evening. Waves 2 feet or less.

Wave heights are for ice free areas.

$$

LHZ362-363-170915-
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-
957 PM EST Fri Feb 16 2018

.REST OF TONIGHT...West winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Waves 1 to 3 feet building to 2 to
4 feet early in the morning.
.SATURDAY...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.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming west
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 decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
south early in the afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 4 to 6 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. A chance of showers until late afternoon. Showers. A
chance of snow showers late in the evening. Waves 3 to 5 feet
subsiding to 2 to 4 feet late in the evening. Waves occasionally
around 8 feet.
.TUESDAY...North winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. Showers likely early in
the morning. A chance of snow showers. A chance of showers. Waves
2 to 4 feet.
.WEDNESDAY...North winds 10 to 15 knots backing to the northwest
in the late evening and early morning. A chance of snow showers.
A chance of showers early in the morning. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$

LHZ462>464-170915-
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-
957 PM EST Fri Feb 16 2018

.REST OF TONIGHT...Southwest winds 5 to 10 knots increasing to
10 to 15 knots early in the morning.
.SATURDAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots veering to the west
after midnight. A chance of snow showers until early morning.
.SUNDAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon.
.SUNDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots after midnight.
.MONDAY...South winds 10 to 15 knots. A chance of showers in the
morning. Showers.
.TUESDAY...West winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon...then becoming west 10 to
15 knots until early morning. Showers and a chance of
thunderstorms. Snow showers likely until early morning.
.WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. Snow showers and showers likely
early in the morning...then a chance of showers in the late
morning and early afternoon. A chance of snow showers.

Waves omitted due to ice coverage.

$$

LHZ461-170915-
MAFOR 1704/
HURON NORTH 11500 11510 11520 13530 12520. A chance of snow
showers Saturday afternoon and Saturday evening. Waves 2 feet or
less overnight. Waves 2 to 4 feet building to 3 to 5 feet
Saturday. Waves 2 to 4 feet subsiding to 1 to 3 feet Saturday
evening. 220002.

Wave heights are for ice free areas.

HURON SOUTH 11500 12510 11420 12520 11420 11520. A chance of
snow showers Saturday evening. 22MMMM.

Waves omitted due to ice coverage.

$$

MR

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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