Great Lakes Forecast
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FZUS63 KDTX 221349
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
949 AM EDT Tue Apr 22 2025

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, 30.10 inches, will move across the
Great Lakes today. It will then hold nearly stationary over the
eastern Great Lakes tonight through Wednesday night while
strengthening to 30.30 inches. Low pressure is forecast to track
across the Ohio Valley and eastern Great Lakes Friday into Friday
night, brining a chance of rain to the region. High pressure will
then expand across the region from the north this weekend.

LHZ361-362-222200-
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-
949 AM EDT Tue Apr 22 2025

.REST OF TODAY...West winds 10 to 20 knots. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.TONIGHT...North winds 5 to 10 knots early in the evening
becoming light and variable...then becoming northeast 5 to
10 knots early in the morning. Waves 2 to 4 feet subsiding to
2 feet or less in the late evening and overnight.
.WEDNESDAY...East winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. A chance of showers
after midnight. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 5 to 10 knots backing to the north. A
chance of showers in the morning. A chance of showers late in the
evening. Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots until early morning. Showers likely. A chance of rain in
the late evening and early morning. Waves 1 to 3 feet building to
3 to 5 feet.
.SATURDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots. Waves 3 to 5 feet.


$$

LHZ363-462>464-222200-
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-
949 AM EDT Tue Apr 22 2025

.REST OF TODAY...Southwest winds 10 to 15 knots becoming west
5 to 10 knots early in the afternoon...then veering to the north
late in the afternoon. Waves 3 to 5 feet.
.TONIGHT...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots veering to the
southeast in the late evening and overnight. Waves 2 feet or
less.
.THURSDAY...South winds 5 to 10 knots backing to the northeast
late in the afternoon. A chance of showers late in the evening.
Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots until early morning. A chance of showers early in the
morning...then showers likely until early evening. A chance of
rain in the late evening and early morning. Waves 1 to 3 feet
building to 4 to 6 feet. Waves occasionally around 8 feet.
.SATURDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. Waves 4 to 6 feet.


$$

LHZ461-222200-
MAFOR 2215/
HURON NORTH 11720 11710 13800 13200. Waves 5 to 7 feet
subsiding to 3 to 5 feet. Occasional wave height around 10 feet
this afternoon. Waves 1 to 3 feet tonight and Wednesday morning.

HURON SOUTH 11610 11700 11100 13200 11210 11200. Waves 2 to
4 feet this afternoon. Waves 2 feet or less tonight and Wednesday
morning.

$$

SC

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)