Great Lakes Forecast
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000
FZUS63 KDTX 190149
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
949 PM EDT Wed Oct 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 over James Bay, 29.91 inches, will drag a
cold front through Lake Huron and lower Michigan overnight through
Thursday morning. The front will weaken as it moves south of Lake
Erie by evening followed by weak high pressure through Friday. A
larger low pressure system will then develop over the Plains and
produce moderate south wind over marine areas through the weekend.

LHZ361-190815-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
949 PM EDT Wed Oct 18 2017

.REST OF TONIGHT...Southwest winds 20 to 25 knots. Gusts to
30 knots in the late evening and early morning. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.THURSDAY...West winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the afternoon. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. Waves 4 to 6 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots in the late morning and afternoon. Waves 1 to 3 feet.
Waves occasionally around 8 feet.
.FRIDAY NIGHT...South winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and early morning...then decreasing
to 5 to 10 knots after midnight. Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to
15 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SUNDAY...South winds 10 to 15 knots becoming west 5 to 10 knots
in the late evening and early morning. Showers likely in the
afternoon and evening. A chance of showers in the late evening
and early morning. Waves 2 to 4 feet.
.MONDAY...Southwest winds 5 to 10 knots. A chance of showers in
the afternoon and evening. Rain showers likely after midnight.
Waves 1 to 3 feet.


$$

LHZ362-363-190815-
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-
949 PM EDT Wed Oct 18 2017

.REST OF TONIGHT...Southwest winds to 30 knots decreasing to
20 to 25 knots early in the morning. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.THURSDAY...West winds 15 to 20 knots. Gusts to 30 knots early in
the morning. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 4 to 6 feet.
.FRIDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and early
afternoon...then building to 2 to 4 feet early in the afternoon.
Waves occasionally around 8 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning...then decreasing
to 10 to 15 knots after midnight. Waves 3 to 5 feet.
.SATURDAY...South winds 10 to 15 knots increasing to 15 to
20 knots. Waves 3 to 5 feet.
.SUNDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots in the late evening and early morning. A chance of
showers in the afternoon and evening. Rain showers likely late in
the evening...then a chance of showers after midnight. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.MONDAY...Southwest winds 10 to 15 knots. A chance of showers.
Waves 3 to 5 feet.


$$

LHZ462>464-190815-
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-
949 PM EDT Wed Oct 18 2017

.REST OF TONIGHT...Southwest winds 20 to 25 knots. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots in the afternoon. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 3 to 5 feet.
.FRIDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
until early evening...then becoming southwest 10 to 15 knots in
the late evening and early morning. A chance of showers in the
afternoon. Rain showers likely until early morning. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.MONDAY...South winds 10 to 15 knots. A chance of showers. Waves
1 to 3 feet building to 2 to 4 feet until early morning.


$$

LHZ461-190815-
MAFOR 1903/
HURON NORTH 11540 11530 12620 12630 12620. Waves 6 to 9 feet.
Occasional wave height around 12 feet overnight. Waves 4 to 6
feet Thursday and Thursday evening. 220609.

HURON SOUTH 13530 14620 11610. Waves 5 to 7 feet. Occasional
wave height around 9 feet overnight. Waves 5 to 7 feet subsiding
to 3 to 5 feet. Occasional wave height around 10 feet Thursday.
Waves 2 to 4 feet Thursday evening. 220507.

$$

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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