Great Lakes Forecast
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FZUS63 KDTX 181350
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
950 AM EDT Fri Aug 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...29.50 inches will lift from the Straits
to central Quebec by Saturday. High pressure...30.10 inches will
build across the upper Ohio River Valley Saturday night into Sunday.

LHZ361-182030-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
950 AM EDT Fri Aug 18 2017

.REST OF TODAY...West winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the afternoon. A chance of
showers in the late morning and early afternoon. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
becoming northwest 15 to 20 knots after midnight. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.SATURDAY...West winds 10 to 15 knots. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming southeast 5 to
10 knots early in the evening...then becoming north 10 to
15 knots in the late evening and early morning. A chance of
showers and thunderstorms. Waves 2 feet or less building to 2 to
4 feet in the late evening and early morning.


$$

LHZ362-363-182030-
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-
950 AM EDT Fri Aug 18 2017

.REST OF TODAY...Southwest winds 15 to 25 knots. A chance of
showers in the late morning and early afternoon. Waves 6 to 9
feet. Waves occasionally around 12 feet.
.TONIGHT...West winds 15 to 20 knots. Gusts to 30 knots in the
evening. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 to
3 feet.
.SUNDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. A chance of showers and
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet in the
late morning and early afternoon...then subsiding to 1 to 3 feet
until early morning.
.TUESDAY...Southwest winds 5 to 10 knots backing to the southeast
early in the evening...then becoming west 15 to 20 knots in the
late evening and early morning. A chance of showers and
thunderstorms early in the morning...then showers and
thunderstorms likely in the afternoon and evening. A chance of
showers and thunderstorms in the late evening and early morning.
Waves 2 feet or less building to 3 to 5 feet in the late evening
and early morning.


$$

LHZ462>464-182030-
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-
950 AM EDT Fri Aug 18 2017

.REST OF TODAY...Southwest winds 15 to 20 knots. A chance of
showers late in the morning. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.TONIGHT...West winds 15 to 20 knots decreasing to 10 to 15 knots
after midnight. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.SATURDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots early in the afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...Light and variable winds becoming southwest
5 to 10 knots in the late evening and overnight. Waves 2 feet or
less.
.SUNDAY...West winds 5 to 10 knots backing to the south late in
the afternoon...then increasing to 10 to 15 knots late in the
evening. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms until early morning. Waves 1 to 3 feet.
.TUESDAY...South winds 5 to 10 knots becoming west 10 to 15 knots
in the late evening and early morning. A chance of showers and
thunderstorms early in the morning...then showers and
thunderstorms in the afternoon and evening. A chance of showers
and thunderstorms in the late evening and early morning. Waves
2 feet or less building to 3 to 5 feet in the late evening and
early morning.


$$

LHZ461-182030-
MAFOR 1815/
HURON NORTH 11620 14630 12720 11710. A chance of showers this
afternoon. Waves 3 to 5 feet building to 5 to 7 feet. Occasional
wave height around 10 feet this afternoon. Waves 5 to 7 feet.
Occasional wave height around 9 feet tonight. Waves 4 to 6 feet
subsiding to 2 to 4 feet. Occasional wave height around 8 feet
Saturday morning. 210305 210507.

HURON SOUTH 11530 14620 11620 12610. A chance of showers late
this morning. Waves 5 to 7 feet. Occasional wave height around 10
feet this afternoon. Waves 3 to 5 feet tonight and Saturday
morning. 220507.

$$

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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