Great Lakes Forecast
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FZUS63 KDTX 162109
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
404 PM EST Thu Nov 16 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...A low pressure system, 29.60 inches, will continue
to track from southern Ontario into southern Quebec today. High
pressure, 30.30 inches, trailing this system will slide through the
central Great Lakes through tonight. This high then departs on
Friday, with the next low pressure system set to arrive on Saturday.

LHZ361-170900-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
404 PM EST Thu Nov 16 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
EVENING...

.TONIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots late in the evening...then becoming northeast 5 to
10 knots after midnight. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 15 to
20 knots with gusts to 30 knots in the late morning and
afternoon. Snow showers likely early in the afternoon. A chance
of showers in the afternoon. Waves 1 to 3 feet building to 6 to
9 feet. Waves occasionally around 12 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots after midnight. Snow showers likely
early in the evening. Showers. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SATURDAY...West winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and early afternoon...then
increasing to 15 to 20 knots early in the afternoon. Showers
likely. Waves 3 to 5 feet.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
35 knot gales. Showers likely early in the evening. A chance of
showers in the late evening and early morning. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots late in
the afternoon. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.MONDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and early
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and early afternoon...then building to 3 to 5 feet until
early morning.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 20 to
25 knots until early morning. Gusts to 35 knot gales. A chance of
showers in the afternoon and evening. A chance of snow showers
until early morning. Waves 5 to 7 feet. Waves occasionally around
10 feet.


$$

LHZ362-363-170900-
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-
404 PM EST Thu Nov 16 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
EVENING...

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


$$

LHZ462>464-170900-
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-
404 PM EST Thu Nov 16 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
EVENING...

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


$$

LHZ461-170300-
MAFOR 1622/
HURON NORTH 11830 11820 11110 11100 11200 11310 11420
11430. A chance of showers this evening and Friday afternoon.
Waves 4 to 6 feet subsiding to 2 feet or less. Occasional wave
height around 8 feet tonight. Waves 2 feet or less building to 4 to
6 feet. Occasional wave height around 8 feet Friday. 220406.

HURON SOUTH 11836 11820 11810 11800 11200 11400 11420
11430. A chance of snow showers this evening. Waves 8 to 12 feet
subsiding to 3 to 5 feet. Occasional wave height around 15 feet
tonight. Waves 1 to 3 feet building to 3 to 5 feet Friday. 210811
210609.

$$

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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