250
FZUS63 KDTX 301345
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
945 AM EDT Tue Sep 30 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, 30.30 inches, builds across Ontario
today before settling toward New England through the rest of the
week. Extended stretch of dry weather continues with a brief
uptick in NE winds and onshore waves Tuesday afternoon-Wednesday
morning.

LHZ361-302145-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
945 AM EDT Tue Sep 30 2025

.REST OF TODAY...East winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. Waves 3 to 5 feet.
.TONIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and overnight. Waves 1 to 3 feet building to
2 to 4 feet after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots becoming southeast
5 to 10 knots in the late evening and overnight. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.THURSDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots late in the afternoon...then becoming south 5 to
10 knots late in the evening. Waves 1 to 3 feet building to 2 to
4 feet late in the morning...then subsiding to 1 to 3 feet late
in the evening.
.FRIDAY...South winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots in the
late evening and early morning. Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 10 knots. Waves 1 to 3 feet.


$$

LHZ362-363-462-302145-
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-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
945 AM EDT Tue Sep 30 2025

.REST OF TODAY...Northeast winds 15 to 20 knots. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.TONIGHT...Northeast winds 15 to 20 knots. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.WEDNESDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon. Waves 3 to 5 feet subsiding to
2 to 4 feet early in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots veering to the
southeast after midnight. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the evening.
.FRIDAY...South winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.


$$

LHZ463-464-302145-
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 AM EDT Tue Sep 30 2025

.REST OF TODAY...Northeast winds 10 to 15 knots. Waves 1 to
3 feet building to 3 to 5 feet late in the afternoon.
.TONIGHT...Northeast winds 15 to 20 knots becoming east 10 to
15 knots after midnight. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.WEDNESDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming east
10 to 15 knots in the late evening and overnight. Waves 1 to
3 feet.
.THURSDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming south 10 to 15 knots
late in the evening. Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
until early morning. Waves 1 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Waves 1 to 3 feet.


$$

LHZ461-302145-
MAFOR 3015/
HURON NORTH 12220 11210 11110 14210. Waves 3 to 5 feet this
afternoon. Waves 2 to 4 feet tonight and Wednesday morning.

HURON SOUTH 13120 11130 12220 12210. Waves 3 to 5 feet this
afternoon and tonight. Waves 2 to 4 feet Wednesday morning.

$$

KDK

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)