Great Lakes Forecast
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476
FZUS63 KDTX 220117
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
917 PM EDT Sat Oct 21 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...High pressure, 30.20 inches, is moving off the East
Coast This afternoon. A cold front, 29.90 inches, will then move
through the Central Great Lakes Sunday Night. Deepening low pressure
is then forecast to lift into the area early next week.

LHZ361-220830-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
917 PM EDT Sat Oct 21 2017

...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Waves 3 to
5 feet.
.SUNDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. Showers likely in the afternoon.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.SUNDAY NIGHT...South winds 5 to 10 knots. Showers. Waves 4 to
6 feet.
.MONDAY...Southwest winds 5 to 10 knots veering to the west early
in the afternoon. Showers early in the morning...then a chance of
showers in the late morning and afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. Waves
occasionally around 8 feet.
.MONDAY NIGHT...Northwest winds 5 to 10 knots increasing to 15 to
20 knots. A chance of showers early in the evening...then showers
in the late evening and overnight. Waves 1 to 3 feet.
.TUESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots late in the evening. Showers. Waves 3 to 5 feet building
to 8 to 12 feet. Waves occasionally around 15 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late evening and early morning. Showers likely
early in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet
in the late evening and early morning.
.THURSDAY...North winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southwest 5 to
10 knots early in the evening becoming southeast 10 to 15 knots.
A chance of showers until early morning. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and early morning.


$$

LHZ362-363-220830-
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-
917 PM EDT Sat Oct 21 2017

...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots early in the morning. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.SUNDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. A chance of showers in the
afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.SUNDAY NIGHT...South winds 15 to 20 knots. A chance of showers
until early morning...then showers likely early in the morning.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.MONDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. Showers. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots becoming northeast
15 to 20 knots in the late evening and early morning...then
becoming northwest 20 to 25 knots with gusts to 30 knots after
midnight. Showers. Waves 2 to 4 feet building to 3 to 5 feet
after midnight.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
becoming southwest 15 to 20 knots with gusts to 30 knots.
Showers. Waves 4 to 6 feet building to 10 to 14 feet. Waves
occasionally around 18 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. Showers likely early in the morning...then a chance of
showers in the late morning and early afternoon. Waves 8 to
12 feet subsiding to 2 to 4 feet. Waves occasionally around
15 feet.
.THURSDAY...Northwest winds 5 to 10 knots backing to the west
early in the evening...then becoming south 10 to 15 knots in the
late evening and early morning. Waves 2 to 4 feet.


$$

LHZ462>464-220830-
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-
917 PM EDT Sat Oct 21 2017

...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 3 to 5 feet.
.SUNDAY...South winds 15 to 20 knots. Waves 3 to 5 feet.
.SUNDAY NIGHT...South winds 15 to 20 knots. A chance of showers
after midnight. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.MONDAY...South winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and afternoon. Showers. Waves 3 to 5 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots becoming east
15 to 20 knots in the late evening and early morning...then
backing to the northwest with gusts to 30 knots after midnight.
Showers. Locally heavy rainfall possible in the late evening and
early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and early morning...then building to 3 to 5 feet
after midnight.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
becoming southwest 15 to 20 knots. Showers. Waves 4 to 6 feet
building to 8 to 12 feet. Waves occasionally around 15 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots until early morning. Showers likely early in the
morning...then a chance of showers early in the evening. Waves
8 to 12 feet subsiding to 3 to 5 feet until early morning. Waves
occasionally around 15 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots until early evening...then becoming south 10 to 15 knots
in the late evening and early morning. Waves 2 to 4 feet.


$$

LHZ461-220830-
MAFOR 2203/
HURON NORTH 13410 14420 11420. A chance of showers Sunday
afternoon and Sunday evening. Waves 3 to 5 feet overnight and
Sunday. Waves 5 to 7 feet. Occasional wave height around 10 feet
Sunday evening. 220305.

HURON SOUTH 11420 12410 14420 11420. A chance of showers Sunday
evening. Waves 3 to 5 feet subsiding to 2 to 4 feet overnight.
Waves 2 to 4 feet building to 3 to 5 feet Sunday. Waves 4 to 6
feet. Occasional wave height around 8 feet Sunday evening. 210305
210204.

$$

MANN

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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