290
FZUS63 KDTX 210704
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
304 AM EDT Mon Sep 21 2026

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, 30.40 inches, over northern Ontario
will build southeast early this week. This will lead to prolong
moderate northeast winds over the central Great Lakes.

LHZ361-362-211515-
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-
304 AM EDT Mon Sep 21 2026

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


$$

LHZ363-462>464-211515-
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-
304 AM EDT Mon Sep 21 2026

.TODAY...Northeast winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and afternoon. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.TONIGHT...Northeast winds 15 to 20 knots. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.TUESDAY...Northeast winds 15 to 20 knots. Gusts to 30 knots
early in the afternoon. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Waves 4 to
6 feet.
.WEDNESDAY...East winds 15 to 20 knots decreasing to 10 to
15 knots late in the morning...then becoming northeast 15 to
20 knots late in the afternoon becoming east 10 to 15 knots late
in the evening. Waves 3 to 5 feet. Waves occasionally around
8 feet.
.THURSDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots . Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...East winds 5 to 10 knots backing to the north . Waves
2 feet or less.


$$

LHZ461-211515-
MAFOR 2109/
HURON NORTH 12120 14110 11110 11210. Waves 2 to 4 feet.

HURON SOUTH 15120 12220. Waves 3 to 5 feet today. Waves 3 to 5
feet subsiding to 2 to 4 feet tonight.

$$

MR

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)