Great Lakes Forecast
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770
FZUS63 KDTX 182058
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
358 PM EST Mon Dec 18 2017

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 pressure, 29.90 inches, will move from central
Canada through Hudson Bay tonight. This low will drag a cold front
across the northern Great Lakes on Tuesday. The strength of this
front will make gale force wind gusts possible late tonight
through Tuesday night. Winds will ease as high pressure builds
into the region Wednesday.

LHZ361-190915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
358 PM EST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY
NIGHT...

.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. A chance of rain and snow
showers after midnight. Waves 3 to 5 feet building to 5 to 7 feet
early in the morning. Waves occasionally around 10 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 35 knot gales.
A chance of showers. A chance of snow showers in the afternoon.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.TUESDAY NIGHT...West winds to 30 knots becoming northwest 20 to
25 knots after midnight. Gusts to 40 knot gales. A chance of
showers early in the evening. A chance of snow showers until
early morning. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots with gusts to
30 knots decreasing to 5 to 10 knots. Waves 5 to 7 feet subsiding
to 1 to 3 feet early in the afternoon. Waves occasionally around
10 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots early in the
evening becoming light and variable. A chance of snow showers
after midnight. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. A chance of snow showers in the morning...
then snow showers likely. Waves 2 feet or less building to 4 to
6 feet. Waves occasionally around 8 feet.
.FRIDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots
until early morning. Snow showers. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SATURDAY...North winds 10 to 15 knots backing to the west with
gusts to 30 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots with gusts to 35 knot gales until
early morning. Snow showers likely early in the morning...then a
chance of snow showers until early evening. Waves 4 to 6 feet
building to 6 to 9 feet. Waves occasionally around 12 feet.


$$

LHZ362-363-462-190915-
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-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
358 PM EST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 35 knot gales. Waves 3 to 5 feet building
to 6 to 9 feet after midnight. Waves occasionally around 12 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 35 knot gales.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.TUESDAY NIGHT...West winds to 30 knots decreasing to 20 to
25 knots after midnight. Gusts to 40 knot gales. A chance of snow
showers early in the evening. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots. Waves 8 to 12 feet subsiding to 4
to 6 feet early in the afternoon. Waves occasionally around 15
feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots decreasing to
5 to 10 knots in the late evening and early morning...then
becoming light and variable after midnight. A chance of snow
showers early in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.THURSDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. A chance of snow showers in the morning...
then snow showers likely. Waves 1 to 3 feet building to 5 to
7 feet. Waves occasionally around 10 feet.
.FRIDAY...East winds 15 to 20 knots. Snow showers. Showers
likely. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...South winds 15 to 20 knots with gusts to 30 knots
becoming southwest 20 to 25 knots with gusts to 40 knot gales
until early evening...then becoming west 15 to 20 knots with
gusts to 35 knot gales in the late evening and early morning.
Snow showers likely early in the morning. A chance of showers
until afternoon. A chance of snow showers until early evening.
Waves 8 to 12 feet. Waves occasionally around 15 feet.


$$

LHZ463-464-190915-
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 Mon Dec 18 2017

.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. Waves 2 to 4 feet building to
3 to 5 feet in the late evening and overnight.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots.
Waves 4 to 6 feet.
.TUESDAY NIGHT...West winds 20 to 25 knots decreasing to 15 to
20 knots after midnight. Gusts to 30 knots. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots until early
morning becoming light and variable. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight.
.THURSDAY...Light and variable winds becoming southeast 10 to
15 knots. A chance of snow showers. A chance of showers after
midnight. Waves 1 to 3 feet building to 3 to 5 feet late in the
evening.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and early morning. A chance of snow
showers and showers early in the morning...then rain and snow
showers. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.SATURDAY...South winds 15 to 20 knots becoming southwest 20 to
25 knots until early evening...then becoming west 15 to 20 knots
in the late evening and early morning. Gusts to 35 knot gales.
Rain and snow showers likely early in the morning...then a chance
of rain and snow showers in the late morning and early afternoon.
Waves 5 to 7 feet. Waves occasionally around 10 feet.


$$

LHZ461-190915-
MAFOR 1822/
HURON NORTH...Gale Warning in effect...11510 12520 11530
11630 13640 19650. A chance of rain and snow showers overnight.
Waves 1 to 3 feet building to 5 to 7 feet. Occasional wave height
around 10 feet tonight. Waves 6 to 9 feet. Occasional wave height
around 12 feet Tuesday. 220103.

HURON SOUTH...Gale Warning in effect...12520 11530 12540 19550
13630 19650. Waves 2 to 4 feet building to 5 to 7 feet.
Occasional wave height around 10 feet tonight. Waves 6 to 9 feet.
Occasional wave height around 12 feet Tuesday. 220204.


$$

BT

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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