Great Lakes Forecast
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000
FZUS63 KDTX 220250
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
946 PM EST Wed Feb 21 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...High pressure, 30.80 inches, will continue to build into
the area from the west this evening through Thursday. Low pressure,
30.00 inches, will track through the northern Great Lakes on Friday
before high pressure, 30.30 inches, builds back in from the west on
Saturday.

LHZ361-220900-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
946 PM EST Wed Feb 21 2018

.REST OF TONIGHT...Light and variable winds. Waves 2 feet or
less.
.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 becoming southeast
15 to 20 knots. A chance of snow showers early in the morning.
Waves 1 to 3 feet building to 3 to 5 feet after midnight.
.FRIDAY...Southeast winds 15 to 20 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the south early in the afternoon. Snow showers in the morning.
Freezing rain in the late morning and early afternoon. Showers
early in the afternoon. Waves 3 to 5 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.SATURDAY...Light and variable winds becoming east 5 to 10 knots
late in the morning...then increasing to 10 to 15 knots late in
the afternoon increasing to 15 to 20 knots with gusts to 30 knots
late in the evening. A chance of snow showers late in the
afternoon. Snow showers late in the evening. Showers after
midnight. Waves 1 to 3 feet building to 4 to 6 feet late in the
evening. Waves occasionally around 8 feet.
.SUNDAY...Southeast winds 15 to 20 knots becoming south 20 to
25 knots in the late morning and early afternoon...then veering
to the west early in the evening decreasing to 15 to 20 knots in
the late evening and early morning. Gusts to 35 knot gales. Snow
showers with showers likely early in the morning. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.MONDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots.
A chance of snow showers until early morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet until early morning.

Wave heights are for ice free areas.

$$

LHZ362-363-220900-
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-
946 PM EST Wed Feb 21 2018

.REST OF TONIGHT...North winds 5 to 10 knots. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
early in the afternoon increasing to 10 to 15 knots late in the
afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots increasing to 15 to
20 knots after midnight. A chance of snow showers early in the
morning. Waves 1 to 3 feet building to 3 to 5 feet in the late
evening and overnight.
.FRIDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots in the late morning and afternoon. Freezing rain...snow
showers and a chance of sleet in the morning. Showers. Waves 3 to
5 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. A chance of showers early in the
evening. Waves 2 to 4 feet.
.SATURDAY...Northwest winds 5 to 10 knots veering to the north
late in the morning...then becoming east 10 to 15 knots late in
the afternoon increasing to 20 to 25 knots with gusts to 30 knots
late in the evening. A chance of snow showers and showers late in
the afternoon. Snow showers and showers late in the evening.
Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally
around 8 feet.
.SUNDAY...Southeast winds 20 to 25 knots veering to the south in
the late morning and early afternoon...then veering to the west
early in the evening decreasing to 15 to 20 knots in the late
evening and early morning. Gusts to 35 knot gales. Snow showers
early in the morning. Showers early in the morning. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.MONDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots.
Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally
around 8 feet.

Wave heights are for ice free areas.

$$

LHZ462>464-220900-
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-
946 PM EST Wed Feb 21 2018

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Waves 1 to
3 feet.
.THURSDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots veering to the
east in the late evening and early morning...then increasing to
10 to 15 knots after midnight. Waves 2 to 4 feet.
.FRIDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the afternoon. Showers
likely until late afternoon. A chance of freezing rain late in
the morning. A chance of showers late in the afternoon. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.FRIDAY NIGHT...West winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. A chance of showers early in the
evening. Waves 1 to 3 feet.
.SATURDAY...Light and variable winds becoming northeast 5 to
10 knots late in the morning...then becoming east 10 to 15 knots
late in the afternoon increasing to 15 to 20 knots late in the
evening. A chance of rain and snow showers late in the afternoon.
Showers and snow showers late in the evening. Waves 1 to 3 feet
building to 4 to 6 feet late in the evening. Waves occasionally
around 8 feet.
.SUNDAY...Southeast winds 15 to 20 knots becoming south 20 to
25 knots in the late morning and early afternoon...then veering
to the west early in the evening decreasing to 15 to 20 knots in
the late evening and early morning. Gusts to 35 knot gales.
Showers early in the morning...then a chance of showers in the
morning. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...West 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.

Wave heights are for ice free areas.

$$

LHZ461-220900-
MAFOR 2204/
HURON NORTH 12800 13100 12200 11210. Waves 2 feet or less.
220002.

Wave heights are for ice free areas.

HURON SOUTH 11800 12100 11110 11100 12110 11210. Waves 1 to
3 feet. 220103.

$$

CB

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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