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164
FZUS63 KDTX 220147
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
947 PM EDT Wed May 21 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, 29.60 inches, will continue to meander
across Lake Erie through the day. This will reinforce northeast
flow across Lake Huron and northwest across Lake St. Clair and
Lake Erie today. Low pressure will gradually weaken towards the
end of the week as it arrives over Lake Ontario early Friday
before phasing into New England by the weekend.

LHZ361-221000-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
947 PM EDT Wed May 21 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots. A chance of
showers. Waves 1 to 3 feet.
.THURSDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. Showers likely. Waves 1 to
3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. A chance of
showers. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet.
.SATURDAY...Northwest 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.
.SUNDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY...Northwest winds 5 to 10 knots becoming northwest in the
late evening and early morning. Waves 2 feet or less.

$$

LHZ362-363-221000-
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-
947 PM EDT Wed May 21 2025

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Showers
likely. Waves 4 to 6 feet.
.THURSDAY...Northeast winds 15 to 20 knots becoming north 10 to
15 knots in the afternoon. Showers likely. Patchy dense fog.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Showers likely
in the evening...then a chance of showers after midnight. Waves
3 to 5 feet.
.FRIDAY...Northwest winds 10 to 15 knots. A chance of showers.
Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 10 knots veering to the north
until early morning. Waves 1 to 3 feet.
.MONDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.

$$

LHZ462>464-221000-
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-
947 PM EDT Wed May 21 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Showers
likely. Patchy fog. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.THURSDAY...North winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Showers likely. Patchy fog in the
morning. Areas of dense fog in the afternoon. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.THURSDAY NIGHT...North winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. Showers likely
in the evening...then a chance of showers after midnight. Waves
3 to 5 feet.
.FRIDAY...Northwest winds 10 to 15 knots. A chance of showers.
Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY...North winds 5 to 10 knots. Waves 2 feet or less.

$$

LHZ461-221000-
MAFOR 2203/
HURON NORTH 11110 13116 11816 12806 11700. Waves 1 to 3 feet.

HURON SOUTH 11126 11120 11110 11116 11816 11816 19814
11816 11710. Waves 3 to 5 feet overnight. Waves 2 to 4 feet
Thursday and Thursday evening.

$$

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)