Great Lakes Forecast
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516
FZUS63 KDTX 202055
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
355 PM EST Sat Jan 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...A weak cold front will stall over northern Lake Huron tonight and
turn into a warm front Sunday as the next low pressure system
approaches from the Plains states. Easterly gales will be possible
over the north half of Lake Huron as this system approaches Monday
and Monday night. The low is then expected to move through central
Lake Huron at 29.30 inches Monday night and Tuesday.

LHZ361-210915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
355 PM EST Sat Jan 20 2018

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.TONIGHT...West winds 5 to 10 knots early in the evening becoming
light and variable. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots in
the afternoon. Areas of fog. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots increasing to 15 to
20 knots. Areas of fog. A chance of showers after midnight. A
chance of snow showers after midnight. Waves 1 to 3 feet building
to 3 to 5 feet after midnight.
.MONDAY...East winds 20 to 25 knots. Gusts to 35 knot gales in
the late morning and afternoon. Areas of fog early in the
morning. Snow showers likely in the morning. Snow showers in the
afternoon. A chance of showers and freezing rain late in the
afternoon. Snow may be heavy at times in the afternoon. Waves
6 to 9 feet building to 8 to 12 feet early in the afternoon.
Waves occasionally around 15 feet.
.MONDAY NIGHT...East winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots in the
late evening and overnight. Snow showers in the evening. Showers
and freezing rain. A chance of snow showers after midnight. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.TUESDAY...North winds 15 to 20 knots with gusts to 30 knots
backing to the northwest with gusts to 30 knots late in the
afternoon...then decreasing to 10 to 15 knots late in the
evening. A chance of freezing rain and showers likely in the
morning. Snow showers...then a chance of snow showers late in the
afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.WEDNESDAY...North winds 5 to 10 knots becoming light and
variable. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...Light and variable winds becoming south 5 to 10 knots
until early morning. Waves 2 feet or less.


$$

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-
355 PM EST Sat Jan 20 2018

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.TONIGHT...Southwest winds 5 to 10 knots early in the evening
becoming light and variable...then becoming south 5 to 10 knots
early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and overnight.
.SUNDAY...South winds 5 to 10 knots backing to the east late in
the afternoon. Areas of fog. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots increasing to 15 to
20 knots. Areas of fog. A chance of showers after midnight. A
chance of freezing rain and snow showers early in the morning.
Waves 1 to 3 feet building to 4 to 6 feet after midnight. Waves
occasionally around 8 feet.
.MONDAY...East winds 20 to 25 knots with gusts to 35 knot gales.
Areas of fog early in the morning. Freezing rain early in the
morning. Showers and snow showers...then a chance of freezing
rain early in the afternoon. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.MONDAY NIGHT...East winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 10 to 15 knots in the late evening and
overnight. Freezing rain and a chance of snow showers early in
the evening. Showers. Snow may be heavy at times early in the
evening. Waves 10 to 14 feet. Waves occasionally around 18 feet.
.TUESDAY...Northeast winds 10 to 15 knots becoming north 15 to
20 knots with gusts to 30 knots late in the morning...then
becoming northwest 20 to 25 knots with gusts to 35 knot gales
late in the afternoon decreasing to 15 to 20 knots with gusts to
30 knots late in the evening. Showers likely...a chance of snow
showers and freezing rain in the morning...then snow showers
likely late in the morning. A chance of snow showers late in the
afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 5 to 7 feet
subsiding to 2 to 4 feet in the late evening and early morning.
Waves occasionally around 10 feet.
.THURSDAY...Light and variable winds becoming west 5 to 10 knots
in the late morning and early afternoon...then backing to the
southwest early in the evening becoming south 10 to 15 knots in
the late evening and early morning. Waves 1 to 3 feet.

Wave heights are for ice free areas.

$$

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-
355 PM EST Sat Jan 20 2018

.TONIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...South winds 5 to 10 knots. Areas of fog. Waves 2 feet
or less.
.SUNDAY NIGHT...East winds 5 to 10 knots. Areas of fog. A chance
of showers. A chance of freezing rain early in the morning. Waves
2 feet or less.
.MONDAY...East winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. Areas of fog early in the morning.
Showers. Waves 3 to 5 feet.
.MONDAY NIGHT...Southeast winds 15 to 20 knots becoming south
10 to 15 knots in the late evening and overnight. Showers. Waves
3 to 5 feet.
.TUESDAY...South winds 10 to 15 knots becoming northwest 15 to
20 knots with gusts to 30 knots late in the afternoon. Showers
likely. Snow showers likely. Waves 2 to 4 feet building to 5 to
7 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots until early morning. A chance of snow showers after
midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet in the late
evening and early morning. Waves occasionally around 8 feet.
.THURSDAY...Light and variable winds becoming west 5 to 10 knots
in the late morning and early afternoon...then backing to the
southwest until early morning. A chance of snow showers early in
the morning. Waves 1 to 3 feet.

Wave heights are for ice free areas.

$$

LHZ461-210915-
MAFOR 2022/
HURON NORTH 11610 12600 11500 11503 12403 11303. Waves 1 to
3 feet tonight. Waves 2 feet or less Sunday. 220103.

HURON SOUTH 14500 11503 13403. Waves 2 feet or less. 220001.

Wave heights are for ice free areas.

$$

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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