Great Lakes Forecast
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000
FZUS63 KDTX 201501
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1001 AM 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 pressure of 29.90 inches will lift into northern
lower Michigan today, forcing a warm front north into northern Lake
Huron. As this low continues into Ontario tonight, a cold front will
drop south through the area. A strong high pressure system averaging
30.80 inches will then build in the area in the wake of this front
from Wednesday into Thursday.

LHZ361-202115-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1001 AM EST Tue Feb 20 2018

.REST OF TODAY...East winds 10 to 15 knots becoming southeast
5 to 10 knots late in the afternoon. Freezing rain likely.
Showers likely in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet late in the afternoon.
.TONIGHT...South winds 5 to 10 knots becoming west 10 to 15 knots
late in the evening...then becoming northwest 15 to 20 knots
after midnight. Showers likely until early morning. Waves 1 to
3 feet building to 3 to 5 feet after midnight.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots until early morning
becoming light and variable. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.THURSDAY...East winds 5 to 10 knots. A chance of snow showers
late in the evening. Waves 2 feet or less.
.FRIDAY...Southeast winds 5 to 10 knots veering to the southwest
early in the evening...then veering to the west in the late
evening and early morning. Snow showers likely early in the
morning. A chance of showers until early evening. Waves 2 feet or
less.
.SATURDAY...Light and variable winds becoming east 5 to 10 knots
early in the evening...then increasing to 15 to 20 knots in the
late evening and early morning. A chance of snow showers in the
evening. Snow showers likely after midnight. Waves 2 feet or less
building to 3 to 5 feet in the late evening and early morning.

Wave heights are for ice free areas.

$$

LHZ362-363-202115-
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-
1001 AM EST Tue Feb 20 2018

.REST OF TODAY...East winds 10 to 15 knots veering to the south
late in the afternoon. Areas of dense fog. Freezing rain in the
late morning and early afternoon. Showers. Waves 2 to 4 feet.
.TONIGHT...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots early in the morning. Areas of dense fog early in
the evening. Showers. A chance of freezing rain and snow showers
early in the morning. Waves 3 to 5 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots with gusts to 30 knots in
the late morning and afternoon. Showers likely and a chance of
snow showers early in the morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Waves 3 to 5 feet subsiding to 1 to
3 feet in the late evening and overnight.
.THURSDAY...Northeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming east 10 to 15 knots
late in the afternoon. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming southwest 5 to
10 knots early in the evening...then veering to the west in the
late evening and early morning. Snow showers and showers likely
in the morning. A chance of showers in the afternoon. Waves 1 to
3 feet.
.SATURDAY...Northwest winds 5 to 10 knots veering to the north in
the late morning and early afternoon...then becoming northeast
10 to 15 knots early in the evening becoming east 15 to 20 knots
in the late evening and early morning. A chance of snow showers
in the evening. A chance of showers until early morning. Snow
showers likely after midnight. Waves 1 to 3 feet building to 4 to
6 feet in the late evening and early morning. Waves occasionally
around 8 feet.


$$

LHZ462>464-202115-
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-
1001 AM EST Tue Feb 20 2018

.REST OF TODAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Areas of dense fog. Showers and a
chance of thunderstorms. Waves 2 to 4 feet.
.TONIGHT...South winds 15 to 20 knots becoming southwest 10 to
15 knots after midnight. Areas of dense fog early in the evening.
Showers and a chance of thunderstorms. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early 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 becoming east 5 to
10 knots late in the evening. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots in the late morning and early afternoon...then veering
to the southwest early in the evening veering to the west in the
late evening and early morning. Snow showers likely early in the
morning. Showers likely in the morning...then a chance of showers
in the afternoon. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots becoming east 10 to
15 knots in the late evening and early morning. A chance of snow
showers in the evening. A chance of showers until early morning.
Snow showers likely after midnight. Waves 1 to 3 feet building to
2 to 4 feet in the late evening and early morning.

Wave heights are for ice free areas.

$$

LHZ461-202115-
MAFOR 2016/
HURON NORTH 11316 11406 11416 11516 11626 11720 12730. A
chance of freezing rain and snow showers overnight. A chance of
snow showers Wednesday morning. Waves 1 to 3 feet this afternoon.
Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 4 to 6
feet building to 5 to 7 feet. Occasional wave height around 10
feet Wednesday morning. 220103.

Wave heights are for ice free areas.

HURON SOUTH 12416 19414 12416 11516 11716 11726 11720. A
chance of snow showers Wednesday morning. Waves 2 to 4 feet this
afternoon and tonight. Waves 3 to 5 feet Wednesday morning.
220203.

$$

AA

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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