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655
FZUS63 KDTX 202058
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
358 PM EST Tue Feb 20 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 presure, 29.80 inches, will continue to lift through
the Great Lakes into Ontario this evening. A cold front will push
through the region late tonight into Wednesday morning as the low
pressure departs. High pressure, 30.80 inches, will then build into
the area from the west from Wednesday into Thursday.

LHZ361-210915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
358 PM EST Tue Feb 20 2018

.TONIGHT...South winds 5 to 10 knots becoming west 10 to 15 knots
late in the evening...then becoming northwest 15 to 20 knots
after midnight. Showers likely until early morning. A chance of
freezing rain and snow showers early in the morning. Waves 1 to
3 feet building to 3 to 5 feet after midnight.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. A chance of snow showers early in
the morning. Waves 4 to 6 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots until early morning
becoming light and variable. Waves 2 to 4 feet subsiding to
2 feet or less in the late evening and overnight. Waves
occasionally around 8 feet.
.THURSDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots. A chance of snow
showers after midnight. Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots becoming southeast 5 to
10 knots late in the morning...then veering to the southwest late
in the afternoon becoming west 10 to 15 knots late in the
evening. Snow showers likely until late afternoon. A chance of
snow showers early in the afternoon. A chance of showers early in
the afternoon. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the evening increasing to 10 to 15 knots. Snow showers
after midnight. Waves 1 to 3 feet.
.SUNDAY...East winds 15 to 20 knots backing to the northeast in
the late morning and early afternoon...then backing to the west
early in the evening decreasing to 10 to 15 knots in the late
evening and early morning. Snow showers until afternoon. Showers
likely in the late morning and early afternoon. Waves 3 to
5 feet.


$$

LHZ362-363-210915-
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-
358 PM EST Tue Feb 20 2018

.TONIGHT...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots early in the morning. Areas of dense fog early in
the evening. Showers. Snow showers likely and a chance of
freezing rain early in the morning. Waves 3 to 5 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots with gusts to 30 knots in
the afternoon. Showers and a chance of snow showers early in the
morning. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.THURSDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots late in the morning...then veering to the southwest late
in the afternoon becoming west 10 to 15 knots late in the
evening. A chance of snow showers until late afternoon. Showers
likely late in the morning. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots veering to the north
until early evening...then becoming east 10 to 15 knots in the
late evening and early morning. A chance of rain and snow showers
in the evening. Snow showers and showers after midnight. Waves
2 feet or less building to 2 to 4 feet in the late evening and
early morning.
.SUNDAY...East winds 15 to 20 knots with gusts to 30 knots
veering to the southeast in the late morning and early
afternoon...then veering to the west with gusts to 30 knots early
in the evening decreasing to 10 to 15 knots in the late evening
and early morning. Snow showers early in the morning. Showers
likely in the late morning and early afternoon. Waves 4 to
6 feet. Waves occasionally around 8 feet.


$$

LHZ462>464-210915-
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-
358 PM EST Tue Feb 20 2018

.TONIGHT...South winds 15 to 20 knots becoming southwest 10 to
15 knots in the late evening and early morning...then veering to
the west early in the morning. Areas of dense fog early in the
evening. Showers and a chance of thunderstorms. Waves 2 to
4 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Showers...a chance
of snow showers and thunderstorms in the morning...then snow
showers likely in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.THURSDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then veering to the southwest late
in the afternoon. A chance of snow showers in the morning. A
chance of showers. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots early in the evening becoming east 10 to 15 knots. A
chance of snow showers and showers in the evening. Snow showers
and showers after midnight. Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots becoming south 15 to 20 knots
in the late morning and early afternoon...then veering to the
west early in the evening decreasing to 10 to 15 knots in the
late evening and early morning. Snow showers early in the
morning. Showers likely until afternoon. Waves 2 to 4 feet
building to 3 to 5 feet.

Wave heights are for ice free areas.

$$

LHZ461-210915-
MAFOR 2022/
HURON NORTH 11406 11506 11626 11726 11737 12730 11720. A
chance of freezing rain overnight. Waves 1 to 3 feet building to
3 to 5 feet tonight. Waves 3 to 5 feet Wednesday. 220002.

HURON SOUTH 11416 19414 11416 11516 11716 11726 13720. A
chance of snow showers Wednesday. Waves 2 to 4 feet tonight.
Waves 3 to 5 feet Wednesday. 220204.

$$

AA

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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