Great Lakes Forecast
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FZUS63 KDTX 222038
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
338 PM EST Thu Feb 22 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 migrate from the
northern Great Lakes eastward to New England tonight. Low pressure
of 30.00 inches will then track through the northern Great Lakes
Friday before another high pressure, 30.30 inches, builds back in
from the west on Saturday. Yet another low pressure, around 29.00
inches, will lift northeast into the Great Lakes on Sunday.

LHZ361-230915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
338 PM EST Thu Feb 22 2018

.TONIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots
early in the morning. Snow showers likely early in the morning.
Waves 1 to 3 feet building to 2 to 4 feet early in the morning.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots early in the afternoon...then veering to the west late
in the afternoon. Snow showers...sleet and a chance of freezing
rain in the morning. Showers likely. Waves 3 to 5 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots. A chance of showers
early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet
after midnight.
.SATURDAY...West winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...East winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 35 knot gales. A chance of snow showers in
the evening. Showers and snow showers after midnight. Waves 1 to
3 feet building to 5 to 7 feet in the late evening and overnight.
Waves occasionally around 10 feet.
.SUNDAY...Southeast winds 20 to 25 knots veering to the
southwest. Gusts to 40 knot gales. Showers until late afternoon.
Waves 5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...West winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and early afternoon...then decreasing to 5 to
10 knots early in the evening becoming southwest 10 to 15 knots
in the late evening and early morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet until early morning.
.TUESDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
until early morning. A chance of snow showers after midnight.
Waves 2 feet or less.


$$

LHZ362-363-230915-
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-
338 PM EST Thu Feb 22 2018

.TONIGHT...East winds 10 to 15 knots. A chance of snow showers
early in the morning. Waves 1 to 3 feet building to 2 to 4 feet
early in the morning.
.FRIDAY...Southeast winds 10 to 15 knots veering to the southwest
late in the afternoon. Snow showers...a chance of freezing rain
and sleet in the morning. Showers. Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots veering to the
west in the late evening and overnight. A chance of showers early
in the evening. Waves 2 to 4 feet.
.SATURDAY...North winds 5 to 10 knots veering to the northeast
early in the afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 35 knot gales. A chance of snow showers
and showers in the evening. Snow showers after midnight. Showers
after midnight. Waves 2 to 4 feet building to 5 to 7 feet in the
late evening and overnight. Waves occasionally around 10 feet.
.SUNDAY...Southeast winds 20 to 25 knots becoming southwest to
30 knots late in the morning...then decreasing to 20 to 25 knots
late in the afternoon decreasing to 15 to 20 knots late in the
evening. Gusts to 40 knot gales decreasing to 30 knots late in
the evening. Showers early in the morning...then a chance of
showers early in the morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.MONDAY...West winds 15 to 20 knots with gusts to 30 knots
decreasing to 10 to 15 knots in the late morning and early
afternoon...then becoming southwest 5 to 10 knots early in the
evening increasing to 10 to 15 knots in the late evening and
early morning. Waves 4 to 6 feet subsiding to 1 to 3 feet until
early morning. Waves occasionally around 8 feet.
.TUESDAY...Southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
west 5 to 10 knots until early morning. A chance of rain and snow
showers until early morning. Waves 1 to 3 feet building to 2 to
4 feet.


$$

LHZ462>464-230915-
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-
338 PM EST Thu Feb 22 2018

.TONIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots
early in the morning. A chance of snow showers and sleet early in
the morning. Waves 1 to 3 feet.
.FRIDAY...South winds 10 to 15 knots. Showers until late
afternoon. A chance of showers late in the afternoon. Waves 2 to
4 feet subsiding to 1 to 3 feet late in the 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...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning...then becoming
southeast 20 to 25 knots with gusts to 30 knots after midnight. A
chance of showers early in the evening. A chance of snow showers
in the evening. Showers in the late evening and overnight. Waves
1 to 3 feet building to 3 to 5 feet in the late evening and
overnight.
.SUNDAY...South winds 20 to 25 knots veering to the southwest
late in the morning...then decreasing to 15 to 20 knots late in
the afternoon. Gusts to 35 knot gales. Showers early in the
morning...then a chance of showers early in the morning. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then becoming southwest 10 to 15 knots in
the late evening and early morning. Waves 3 to 5 feet subsiding
to 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then veering to the southwest
5 to 10 knots in the late evening and early morning. A chance of
rain and snow showers until early morning. Waves 1 to 3 feet.

Wave heights are for ice free areas.

$$

LHZ461-230915-
MAFOR 2222/
HURON NORTH 11200 12210 11310 12317 11416 11510. A chance of
snow showers overnight. A chance of freezing rain Friday morning.
Waves 1 to 3 feet tonight. Waves 3 to 5 feet Friday. 220001.

HURON SOUTH 11100 12200 11310 12316 11416 11510. A chance of
freezing rain and snow showers overnight. Waves 2 feet or less
tonight. Waves 1 to 3 feet building to 2 to 4 feet Friday.
220102.

$$

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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