855
FZUS63 KDTX 300131
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
931 PM EDT Mon Sep 29 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.

LHZ361-300945-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
931 PM EDT Mon Sep 29 2025

.REST OF TONIGHT...Light and variable winds becoming north 5 to
10 knots early in the morning. Waves 2 feet or less.
.TUESDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots late in the afternoon. Waves 1 to
3 feet building to 3 to 5 feet in the late morning and afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Waves 2 to 4 feet.
.WEDNESDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 to
3 feet.
.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.
.FRIDAY...South winds 5 to 10 knots backing to the southeast
early in the evening...then veering to the south in the late
evening and early morning. Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 10 knots. A chance of showers until
early morning. Waves 1 to 3 feet.


$$

LHZ362-363-462-300945-
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-
931 PM EDT Mon Sep 29 2025

.REST OF TONIGHT...Light and variable winds becoming north 5 to
10 knots early in the morning. Waves 2 feet or less.
.TUESDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Waves 2 to 4 feet
building to 5 to 7 feet in the late morning and afternoon. Waves
occasionally around 10 feet.
.TUESDAY NIGHT...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...Northeast winds 5 to 10 knots becoming east
10 to 15 knots in the late evening and early morning...then
veering to the southeast after midnight. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon...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.
Waves 1 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.


$$

LHZ463-464-300945-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
931 PM EDT Mon Sep 29 2025

.REST OF TONIGHT...Light and variable winds. Waves 2 feet or
less.
.TUESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Waves 1 to 3 feet building to 3 to
5 feet late in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots becoming east
10 to 15 knots after midnight. Waves 4 to 6 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. Waves
occasionally around 8 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots veering to the
east in the late evening and overnight. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots. Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots. Waves 1 to 3 feet.


$$

LHZ461-300945-
MAFOR 3003/
HURON NORTH 11700 11800 11110 13220 11210 11110. Waves 2
feet or less overnight. Waves 2 to 4 feet building to 3 to 5 feet
Tuesday. Waves 1 to 3 feet Tuesday evening.

HURON SOUTH 13100 11110 13120 11130. Waves 2 feet or less
overnight. Waves 2 feet or less building to 3 to 5 feet Tuesday.
Waves 4 to 6 feet. Occasional wave height around 8 feet Tuesday
evening.

$$

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)