Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

512
FZUS63 KDTX 150150
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
950 PM EDT Sat Oct 14 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...Strengthening low pressure averaging 29.50 inches will move
northeast along a frontal boundary settled across the central Great
Lakes late tonight into Sunday morning. The low pressure and frontal
boundary will move east of the region Sunday afternoon as high
pressure averaging 30.20 inches builds into the region through early
next week.

LHZ361-150815-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
950 PM EDT Sat Oct 14 2017

...GALE WARNING IN EFFECT FROM 8 AM EDT SUNDAY THROUGH LATE
SUNDAY NIGHT...

.REST OF TONIGHT...East winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots after midnight...then decreasing
to 10 to 15 knots early in the morning. Periods of showers and
scattered thunderstorms. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.SUNDAY...Northeast winds 15 to 20 knots becoming northwest to
30 knots with gusts to 40 knot gales early in the afternoon...
then increasing to 35 knot gales with gusts to 40 knot gales late
in the afternoon. Showers and a chance of thunderstorms until
late afternoon...then a chance of showers late in the afternoon.
Waves 6 to 9 feet building to 10 to 14 feet late in the
afternoon. Waves occasionally around 18 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots with gusts to 40 knot
gales decreasing to 10 to 15 knots. A chance of showers early in
the evening. Waves 8 to 12 feet subsiding to 4 to 6 feet after
midnight. Waves occasionally around 15 feet.
.MONDAY...Northwest winds 5 to 10 knots backing to the west in
the late morning and afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and overnight.
.TUESDAY...Southwest winds 15 to 20 knots with gusts to 30 knots
decreasing to 5 to 10 knots. Waves 4 to 6 feet subsiding to 1 to
3 feet late in the evening. Waves occasionally around 8 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning. Waves 1 to 3 feet
building to 2 to 4 feet until early morning.
.THURSDAY...West winds 10 to 15 knots decreasing to 5 to
10 knots. Waves 2 to 4 feet subsiding to 2 feet or less until
early morning.


$$

LHZ362-363-462-150815-
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-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
950 PM EDT Sat Oct 14 2017

...GALE WARNING IN EFFECT FROM 8 AM EDT SUNDAY THROUGH LATE
SUNDAY NIGHT...

.REST OF TONIGHT...East winds 15 to 20 knots increasing to 20 to
25 knots after midnight...then veering to the south early in the
morning. Periods of showers and scattered thunderstorms. Waves
5 to 7 feet building to 8 to 12 feet early in the morning. Waves
occasionally around 15 feet.
.SUNDAY...South winds 20 to 25 knots with gusts to 30 knots
becoming southwest to 30 knots with gusts to 40 knot gales late
in the morning...then increasing to 35 knot gales with gusts to
45 knot gales in the afternoon. Showers and a chance of
thunderstorms until late afternoon...then a chance of showers
late in the afternoon. Waves 8 to 12 feet building to 12 to
16 feet late in the afternoon. Waves occasionally around 20 feet.
.SUNDAY NIGHT...Northwest at 35 knot gales with gusts to 45 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots. A
chance of showers early in the evening. Waves 12 to 16 feet.
Waves occasionally around 20 feet. A gale warning may be needed.
.MONDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the afternoon. Waves 5 to 7 feet subsiding to
3 to 5 feet early in the afternoon. Waves occasionally around
10 feet.
.MONDAY NIGHT...West winds 5 to 10 knots becoming southwest 15 to
20 knots. Waves 1 to 3 feet building to 3 to 5 feet in the late
evening and overnight.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 10 to 15 knots. Waves 5 to 7 feet subsiding to 2 to
4 feet late in the evening. Waves occasionally around 10 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 20 to
25 knots. Waves 3 to 5 feet building to 5 to 7 feet. Waves
occasionally around 10 feet.
.THURSDAY...Southwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 4 to 6 feet subsiding to 1 to 3 feet until early
morning. Waves occasionally around 8 feet.


$$

LHZ463-464-150815-
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 PM EDT Sat Oct 14 2017

...GALE WARNING IN EFFECT FROM 8 AM EDT SUNDAY THROUGH LATE
SUNDAY NIGHT...

.REST OF TONIGHT...South winds 15 to 20 knots becoming southeast
20 to 25 knots after midnight. Periods of showers and scattered
thunderstorms. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.SUNDAY...South winds 20 to 25 knots with gusts to 35 knot gales
becoming southwest to 30 knots with gusts to 40 knot gales early
in the afternoon...then becoming west at 35 knot gales with gusts
to 45 knot gales late in the afternoon. Showers and a chance of
thunderstorms until late afternoon...then a chance of showers
late in the afternoon. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.SUNDAY NIGHT...Northwest at 35 knot gales with gusts to 40 knot
gales decreasing to 20 to 25 knots with gusts to 30 knots. A
chance of showers until early morning. Waves 12 to 16 feet. Waves
occasionally around 20 feet. A gale warning may be needed.
.MONDAY...Northwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 6 to 9 feet subsiding to 3 to 5 feet early in the
afternoon. Waves occasionally around 12 feet.
.MONDAY NIGHT...West winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.TUESDAY...Southwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. Waves 3 to 5 feet subsiding to
1 to 3 feet late in the evening.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. Waves 2 to 4 feet building to 3 to 5 feet.
.THURSDAY...Southwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 3 to 5 feet subsiding to 2 feet or less until
early morning.


$$

LHZ461-150815-
MAFOR 1503/
HURON NORTH...Gale Warning in effect...12326 11426 11436 11546
19556 12750 11740 19750. Scattered thunderstorms overnight. A
chance of thunderstorms Sunday. A chance of showers Sunday
evening. Waves 3 to 5 feet building to 5 to 7 feet. Occasional
wave height around 10 feet overnight. Waves 6 to 9 feet building
to 10 to 14 feet. Occasional wave height around 18 feet Sunday.
Waves 10 to 14 feet subsiding to 8 to 12 feet. Occasional wave
height around 18 feet Sunday evening. 210305 210406.

HURON SOUTH...Gale Warning in effect...11336 12436 12546 19556
11650 11750 11740 19760. Scattered thunderstorms overnight. A
chance of thunderstorms Sunday. A chance of showers Sunday
evening. Waves 5 to 7 feet. Occasional wave height around 10 feet
overnight. Waves 6 to 9 feet building to 8 to 12 feet. Occasional
wave height around 15 feet Sunday. Waves 12 to 16 feet.
Occasional wave height around 20 feet Sunday evening. 210406
210508.

$$

SC

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)



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.