Great Lakes Forecast
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FZUS63 KDTX 220145
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
945 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.

LHZ361-362-220945-
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-
945 PM EDT Sun Apr 21 2024

.REST OF TONIGHT...Northwest winds 15 to 20 knots becoming west
5 to 10 knots after midnight. 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 4 to 6 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.
.TUESDAY...South winds 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots in the late morning
and afternoon. A chance of showers. Waves 6 to 9 feet. Waves
occasionally around 12 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 3 to 5 feet building to 6 to 9 feet in the late evening and
overnight. 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 6 to
9 feet subsiding to 1 to 3 feet. Waves occasionally around
12 feet.
.THURSDAY...Southwest winds 5 to 10 knots backing to the
southeast until early morning. Waves 2 feet or less.
.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>464-220945-
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-
945 PM EDT Sun Apr 21 2024

.REST OF TONIGHT...North winds 10 to 15 knots becoming northwest
5 to 10 knots early in the morning. Waves 4 to 6 feet.
.MONDAY...Light and variable winds becoming south 10 to 15 knots
in the late morning and afternoon. Waves 2 to 4 feet. Waves
occasionally around 8 feet.
.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.
.TUESDAY...South winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the afternoon. A
chance of showers in the morning...then showers likely in the
afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.TUESDAY NIGHT...South 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 3 to 5 feet building to
8 to 12 feet in the late evening and overnight. Waves
occasionally around 15 feet.
.WEDNESDAY...North winds 20 to 25 knots with gusts to around
30 knots decreasing to 5 to 10 knots. Waves 8 to 12 feet
subsiding to 3 to 5 feet late in the evening. Waves occasionally
around 15 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 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
3 to 5 feet until early morning.


$$

LHZ461-220945-
MAFOR 2203/
HURON NORTH 11720 11700 11600 11510 13420 11410. Waves 4 to
6 feet subsiding to 2 to 4 feet. Occasional wave height around 8
feet overnight. Waves 2 feet or less building to 2 to 4 feet...
THEN building to 3 to 5 feet Monday. Waves 3 to 5 feet Monday
evening.

HURON SOUTH 11820 11710 11600 11500 14410. Waves 3 to 5 feet
overnight. Waves 2 to 4 feet Monday and Monday evening.

$$

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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