Great Lakes Forecast
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FZUS63 KDTX 211957
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
357 PM EDT Sun Apr 21 2024

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...Upper level trough holds over the Great Lakes for the
remainder of the weekend maintaining cooler, moderate west to
northwest flow. High pressure, 30.30 inches, then briefly works
across the region tonight through the first half of Monday.
Northern Plains low pressure, 29.50 inches, then reaches the
Great Lakes by Tuesday.

LHZ361-362-220400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
357 PM EDT Sun Apr 21 2024

.TONIGHT...Northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 5 to 10 knots. Waves 4 to 6 feet.
.MONDAY...South winds 5 to 10 knots increasing to 15 to 20 knots.
Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves
occasionally around 8 feet.
.MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Showers after midnight. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots in the late morning and afternoon. A chance of showers.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots becoming north
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. A chance of rain and snow showers in the evening.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...North winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the morning...then
becoming west 5 to 10 knots late in the afternoon. Waves 8 to
12 feet subsiding to 3 to 5 feet late in the afternoon. Waves
occasionally around 15 feet.
.THURSDAY...Southwest winds 5 to 10 knots backing to the
southeast until early morning. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 5 to 10 knots becoming east 15 to
20 knots. A chance of showers in the late evening and early
morning. Waves 1 to 3 feet building to 3 to 5 feet.


$$

LHZ363-462>464-220400-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
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-
357 PM EDT Sun Apr 21 2024

.TONIGHT...West winds 5 to 10 knots becoming north 10 to 15 knots
in the late evening and early morning...then decreasing to 5 to
10 knots early in the morning. Waves 3 to 5 feet.
.MONDAY...Light and variable winds becoming south 10 to 15 knots
in the late morning and afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and early afternoon...then
building to 2 to 4 feet late in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots after midnight. A chance of showers after midnight.
Waves 3 to 5 feet building to 6 to 9 feet after midnight. Waves
occasionally around 12 feet.
.TUESDAY...Southwest winds 15 to 20 knots. A chance of showers in
the morning...then showers likely in the afternoon. Waves 8 to
12 feet. Waves occasionally around 15 feet.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming north
15 to 20 knots with gusts to around 30 knots in the late evening
and early morning...then increasing to 30 knots with gusts to
35 knot gales after midnight. Showers likely in the evening...
then a chance of showers after midnight. Waves 5 to 7 feet
building to 10 to 14 feet after midnight. Waves occasionally
around 18 feet.
.WEDNESDAY...North winds 20 to 25 knots with gusts to around
30 knots decreasing to 5 to 10 knots. Waves 10 to 14 feet
subsiding to 5 to 7 feet late in the afternoon. Waves
occasionally around 18 feet.
.THURSDAY...North winds 5 to 10 knots veering to the east in the
late morning and early afternoon...then backing to the east 5 to
10 knots early in the evening veering to the east in the late
evening and early morning. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning. Showers likely in
the late evening and early morning. Waves 1 to 3 feet building to
2 to 4 feet until early morning.


$$

LHZ461-220400-
MAFOR 2121/
HURON NORTH 13720 11700 11600 11510 12420. Waves 3 to 5 feet
subsiding to 2 to 4 feet tonight. Waves 2 feet or less building
to 2 to 4 feet...THEN building to 3 to 5 feet Monday.

HURON SOUTH 11600 11810 11820 11810 11700 11500 12410.
Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 1 to 3
feet Monday.

$$

KGK

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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