Great Lakes Forecast
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066
FZUS63 KDTX 232027
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
327 PM EST Thu Nov 23 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...Ridge of surface high pressure, 30.00 inches, will
remain over the region through Friday morning. Pressure gradient
will increase ahead of the next low pressure system and lead to
gusty winds Friday afternoon and evening. This low pressure, 29.10
inches, will move eastward across Ontario just north of Lake
Superior and push a cold front through the Great Lakes early on
Saturday. High pressure will build into the region on Sunday.

LHZ361-240915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
327 PM EST Thu Nov 23 2017

.TONIGHT...West winds 15 to 20 knots becoming southwest 10 to
15 knots late in the evening...then increasing to 15 to 20 knots
after midnight. Waves 3 to 5 feet.
.FRIDAY...Southwest winds 15 to 20 knots increasing to 20 to
25 knots late in the morning...then decreasing to 15 to 20 knots
in the afternoon. Showers likely. Waves 4 to 6 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west
20 to 25 knots with gusts to 30 knots after midnight. Showers
until early morning. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.SATURDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots decreasing to 10 to 15 knots. Waves 4 to 6 feet.
.SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to 30 knots late in the morning...then becoming
northwest 10 to 15 knots late in the evening. Waves 2 to 4 feet
building to 4 to 6 feet. Waves occasionally around 8 feet.
.MONDAY...North winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then becoming south 10 to
15 knots early in the evening increasing to 15 to 20 knots in the
late evening and early morning. A chance of showers after
midnight. Waves 1 to 3 feet building to 3 to 5 feet until early
morning.
.TUESDAY...West winds 15 to 20 knots. A chance of showers early
in the morning. A chance of showers until early morning. Waves
4 to 6 feet. Waves occasionally around 8 feet.


$$

LHZ362-363-240915-
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-
327 PM EST Thu Nov 23 2017

...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

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


$$

LHZ462>464-240915-
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-
327 PM EST Thu Nov 23 2017

...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...

.TONIGHT...Southwest winds 15 to 20 knots. Waves 3 to 5 feet.
.FRIDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming south to 30 knots with gusts to 35 knot gales late in
the afternoon. Waves 5 to 7 feet building to 8 to 12 feet in the
afternoon. Waves occasionally around 15 feet.
.FRIDAY NIGHT...South winds to 30 knots with gusts to 40 knot
gales becoming southwest 15 to 20 knots. A chance of showers.
Waves 6 to 9 feet. Waves occasionally around 11 feet.
.SATURDAY...West winds 15 to 20 knots. Gusts to 30 knots early in
the afternoon. A chance of showers early in the morning. Waves
4 to 6 feet. Waves occasionally around 8 feet.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
35 knot gales decreasing to 15 to 20 knots after midnight. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.SUNDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots. Waves 4 to 6 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon...then becoming
south 10 to 15 knots early in the evening increasing to 15 to
20 knots with gusts to 30 knots in the late evening and early
morning. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the
evening...then building to 4 to 6 feet in the late evening and
early morning. Waves occasionally around 8 feet.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots until early morning. Waves 4 to
6 feet.


$$

LHZ461-240915-
MAFOR 2322/
HURON NORTH...Gale Warning in effect...12620 11510 11520
12536 11546 11446 19456. Waves 3 to 5 feet tonight. Waves 6 to
9 feet building to 10 to 14 feet. Occasional wave height around
18 feet Friday. 220305.

HURON SOUTH...Gale Warning in effect...14520 12530 11530 19550
11440 19450. Waves 3 to 5 feet tonight. Waves 6 to 9 feet
building to 8 to 12 feet. Occasional wave height around 15 feet
Friday. 220305.

$$

SF

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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