Great Lakes Forecast
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000
FZUS63 KDTX 181429
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
929 AM EST Sun Feb 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...High pressure, 30.40 inches, will move from the Ohio
Valley this morning to the Mid Atlantic by this evening. A pair of
warm fronts will lift north through the Great Lakes this afternoon
and again Monday evening. A slow moving cold front will then push
into the western Great Lakes Monday night, slowly crossing the
region Tuesday into Wednesday.

LHZ361-182115-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
929 AM EST Sun Feb 18 2018

.REST OF TODAY...West winds 5 to 10 knots backing to the south
early in the afternoon...then becoming southeast 10 to 15 knots
late in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 15 to 20 knots becoming south 5 to
10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.MONDAY...South winds 5 to 10 knots early in the morning becoming
light and variable...then becoming northeast 5 to 10 knots early
in the afternoon. A chance of showers and freezing rain in the
morning. A chance of snow showers. Showers likely in the
afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. A chance of
snow showers early in the evening. Showers in the evening.
Freezing rain. Waves 1 to 3 feet.
.TUESDAY...East winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming west 10 to 15 knots late in
the evening. Showers and freezing rain. Waves 1 to 3 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet until early
morning.
.THURSDAY...Light and variable winds. Waves 2 feet or less.

Wave heights are for ice free areas.

$$

LHZ362-363-182115-
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-
929 AM EST Sun Feb 18 2018

.REST OF TODAY...Southwest winds 5 to 10 knots increasing to
10 to 15 knots early in the afternoon...then becoming south 15 to
20 knots late in the afternoon. Waves 1 to 3 feet building to
3 to 5 feet late in the afternoon.
.TONIGHT...South winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots late in the evening...then decreasing to
20 to 25 knots after midnight decreasing to 15 to 20 knots early
in the morning. Waves 5 to 9 feet.
.MONDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. A chance of showers in the
morning. Showers and a chance of snow showers in the afternoon.
Waves 3 to 5 feet subsiding to 1 to 3 feet early in the
afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Showers. Freezing
rain likely after midnight. Waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight.
.TUESDAY...East winds 10 to 15 knots veering to the southwest
late in the evening. Showers. Freezing rain likely early in the
morning. A chance of freezing rain after midnight. Waves 3 to
5 feet subsiding to 2 to 4 feet late in the evening.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. Showers likely and a chance of
freezing rain early in the morning. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.THURSDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.

Wave heights are for ice free areas.

$$

LHZ462>464-182115-
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-
929 AM EST Sun Feb 18 2018

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

Waves omitted due to ice coverage.

$$

LHZ461-182115-
MAFOR 1816/
HURON NORTH 11500 11420 13430 12420 11410. Waves 2 feet or
less building to 2 to 4 feet this afternoon. Waves 6 to 9 feet.
Occasional wave height around 12 feet tonight. Waves 3 to 5 feet
subsiding to 1 to 3 feet Monday morning. 210001 210103.

Wave heights are for ice free areas.

HURON SOUTH 11500 11410 11420 12430 11420 12410. A chance of
rain and snow showers Monday morning. 22MMMM.

Waves omitted due to ice coverage.

$$

SC

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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