192
FZUS63 KDTX 190755
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
355 AM EDT Tue Aug 19 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...Low pressure, 29.90 inches, tracks across the central
Great Lakes today, triggering showers and thunderstorms. Gusty
northeast wind will follow the departure of this system on
Wednesday. High pressure builds in from the northern Great Lakes
through the late week.

LHZ361-191600-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
355 AM EDT Tue Aug 19 2025

.TODAY...Southeast winds 10 to 15 knots. Showers likely in the
morning...then a chance of showers in the afternoon. Waves 3 to
5 feet.
.TONIGHT...East winds 5 to 10 knots backing to the northeast
early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and overnight.
.WEDNESDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds becoming north 5 to
10 knots in the late evening and overnight. Waves 2 feet or less.
.THURSDAY...Light and variable winds. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late evening and early morning. A chance of showers in the
late evening and early morning. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots becoming west 10 to
15 knots. A chance of showers. Waves 1 to 3 feet building to 2 to
4 feet until early morning.


$$

LHZ362-363-191600-
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-
355 AM EDT Tue Aug 19 2025

.TODAY...Southeast winds 10 to 15 knots. Showers likely. Waves
3 to 5 feet.
.TONIGHT...Northeast winds 5 to 10 knots becoming north 10 to
15 knots early in the morning. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.THURSDAY...Northeast winds 5 to 10 knots becoming light and
variable. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots.
Waves 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots veering to the west in
the late evening and early morning. A chance of showers. Waves
2 to 4 feet.


$$

LHZ462>464-191600-
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-
355 AM EDT Tue Aug 19 2025

.TODAY...Southeast winds 10 to 15 knots. Showers. Waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon.
.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Showers likely in the evening.
Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 15 to 20 knots. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. Waves 3 to
5 feet.
.THURSDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the evening. Waves 1 to 3 feet.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late evening and early morning. Waves 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then becoming west 10 to 15 knots
in the late evening and early morning. A chance of showers until
early evening. Waves 1 to 3 feet.


$$

LHZ461-191600-
MAFOR 1909/
HURON NORTH 13316 11310 11210 11200 12100. Waves 2 to 4 feet
today. Waves 1 to 3 feet tonight.

HURON SOUTH 14316 11206 11200 12100. Waves 2 to 4 feet today.
Waves 2 feet or less tonight.

$$

BT

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)