Great Lakes Forecast
Issued by NWS

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314
FZUS63 KDTX 090647
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
247 AM EDT Sun Aug 9 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 around 30.00 inches slides east through
the Ohio Valley tonight through Sunday, allowing winds to become
southerly once again for Sunday. Sunday evening through early
next week an active pattern with a stalled frontal boundary
draped over the southern Great Lakes region brings back chances
for organized thunderstorms to the region. By the end of next
week, high pressure around 30.1 inches builds south from central
Canada.

LHZ361-091500-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
247 AM EDT Sun Aug 9 2026

.TODAY...Southwest winds 5 to 10 knots backing to the northeast
late in the afternoon. Waves 2 feet or less.
.TONIGHT...Light and variable winds. A chance of showers after
midnight. Waves 2 feet or less.
.MONDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY NIGHT...West winds 5 to 10 knots  becoming light and
variable. Waves 2 feet or less.
.TUESDAY...Light and variable winds. Waves 2 feet or less.
.WEDNESDAY...Light and variable winds becoming northwest 5 to
10 knots . Waves 2 feet or less.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots early in the evening...then becoming northwest 10 to
15 knots by midnight. Waves 1 to 3 feet building to 3 to 5 feet .


$$

LHZ362-363-091500-
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-
247 AM EDT Sun Aug 9 2026

.TODAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. Waves 1 to 3 feet building to 2 to
4 feet late in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to
10 knots by midnight...then veering to the southwest early in the
morning. A chance of showers. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.MONDAY...West winds 5 to 10 knots. A chance of showers in the
morning. Waves 2 feet or less.
.MONDAY NIGHT...North winds 5 to 10 knots early in the evening
becoming light and variable. Waves 2 feet or less.
.TUESDAY...Light and variable winds. Waves 2 feet or less.
.WEDNESDAY...Light and variable winds becoming north 5 to
10 knots early in the evening...then backing to the northwest by
midnight. Waves 2 feet or less.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet
building to 3 to 5 feet .


$$

LHZ462>464-091500-
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-
247 AM EDT Sun Aug 9 2026

.TODAY...Light and variable winds becoming southwest 5 to
10 knots in the late morning and early afternoon...then backing
to the south late in the afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots
by midnight...then becoming southwest 5 to 10 knots early in the
morning. A chance of showers after midnight. Waves 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots veering to the northwest early
in the afternoon. A chance of showers in the morning. Waves
2 feet or less.
.MONDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.TUESDAY...Light and variable winds in the morning becoming east
5 to 10 knots...then backing to the northeast late in the
afternoon becoming light and variable. A chance of showers. Waves
2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots backing to the west in the
late morning and early afternoon...then veering to the north .
Waves 2 feet or less.
.THURSDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then becoming northwest 5 to
10 knots by midnight. Waves 2 feet or less building to 2 to
4 feet by midnight.


$$

LHZ461-091500-
MAFOR 0909/
HURON NORTH 12500 13410 11400 11500 11600. A chance of
showers overnight. Waves 2 feet or less building to 2 to 4 feet
today. Waves 2 to 4 feet subsiding to 2 feet or less tonight.

HURON SOUTH 12500 14400 12500. A chance of showers tonight.
Waves 2 feet or less.

$$

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)