Great Lakes Forecast
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FZUS63 KDTX 210307
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1007 PM EST Tue Feb 20 2018

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 presure, 29.80 inches, will continue to lift through
the Great Lakes into Ontario tonight. A cold front will push
through the region late tonight into Wednesday morning as the low
pressure departs. High pressure, 30.80 inches, will then build
into the area from the west from Wednesday into Thursday.

LHZ361-210915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1007 PM EST Tue Feb 20 2018

.REST OF TONIGHT...West winds 10 to 15 knots becoming northwest
15 to 20 knots early in the morning. Showers likely in the late
evening and early morning. A chance of freezing rain and snow
showers early in the morning. Waves 2 feet or less building to
3 to 5 feet after midnight.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. A chance of snow showers early in
the morning. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots until early morning
becoming light and variable. Waves 1 to 3 feet.
.THURSDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots. A chance of snow
showers after midnight. Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots becoming southeast 5 to
10 knots late in the morning...then veering to the southwest late
in the afternoon becoming west 10 to 15 knots late in the
evening. Snow showers likely until late afternoon. A chance of
snow showers early in the afternoon. A chance of showers early in
the afternoon. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the evening increasing to 10 to 15 knots. Snow showers
after midnight. Waves 1 to 3 feet.
.SUNDAY...East winds 15 to 20 knots backing to the northeast in
the late morning and early afternoon...then backing to the west
early in the evening decreasing to 10 to 15 knots in the late
evening and early morning. Snow showers until afternoon. Showers
likely in the late morning and early afternoon. Waves 3 to
5 feet.


$$

LHZ362-363-210915-
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-
1007 PM EST Tue Feb 20 2018

.REST OF TONIGHT...Southwest winds 10 to 15 knots veering to the
west after midnight...then becoming northwest 15 to 20 knots
early in the morning. Showers. Snow showers likely and a chance
of freezing rain early in the morning. Waves 3 to 5 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots in
the late morning and early afternoon. Showers and a chance of
snow showers early in the morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.THURSDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots late in the morning...then veering to the southwest late
in the afternoon becoming west 10 to 15 knots late in the
evening. A chance of snow showers until late afternoon. Showers
likely late in the morning. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots veering to the north
until early evening...then becoming east 10 to 15 knots in the
late evening and early morning. A chance of rain and snow showers
in the evening. Snow showers and showers after midnight. Waves
2 feet or less building to 2 to 4 feet in the late evening and
early morning.
.SUNDAY...East winds 15 to 20 knots with gusts to 30 knots
veering to the southeast in the late morning and early
afternoon...then veering to the west with gusts to 30 knots early
in the evening decreasing to 10 to 15 knots in the late evening
and early morning. Snow showers early in the morning. Showers
likely in the late morning and early afternoon. Waves 4 to
6 feet. Waves occasionally around 8 feet.


$$

LHZ462>464-210915-
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-
1007 PM EST Tue Feb 20 2018

.REST OF TONIGHT...Southwest winds 10 to 15 knots veering to the
northwest early in the morning. Showers and a chance of
thunderstorms. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots late in the afternoon. Showers...a
chance of snow showers and thunderstorms in the morning...then
snow showers likely in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.THURSDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then veering to the southwest late
in the afternoon. A chance of snow showers in the morning. A
chance of showers. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots early in the evening becoming east 10 to 15 knots. A
chance of snow showers and showers in the evening. Snow showers
and showers after midnight. Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots becoming south 15 to 20 knots
in the late morning and early afternoon...then veering to the
west early in the evening decreasing to 10 to 15 knots in the
late evening and early morning. Snow showers early in the
morning. Showers likely until afternoon. Waves 2 to 4 feet
building to 3 to 5 feet.

Wave heights are for ice free areas.

$$

LHZ461-210915-
MAFOR 2104/
HURON NORTH 11626 11726 11727 12730 11720 12710. A chance of
freezing rain overnight. Waves 2 feet or less building to 2 to 4
feet overnight. Waves 2 to 4 feet Wednesday. Waves 1 to 3 feet
Wednesday evening. 210002 210204.

HURON SOUTH 11606 11716 11726 12720 11710 12810. A chance of
snow showers Wednesday. Waves 2 to 4 feet overnight. Waves 3 to 5
feet Wednesday. Waves 2 to 4 feet Wednesday evening. 220203.

$$

DRK

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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