Great Lakes Forecast
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768
FZUS63 KDTX 181347
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
947 AM EDT Fri Sep 18 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 tracks north of the Great Lakes today. A
low pressure system follows a stalled front from the central
Plains into the Ohio Valley this weekend. Another area of high
pressure then builds into northern Ontario on Sunday.

LHZ361-182200-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
947 AM EDT Fri Sep 18 2026

.REST OF TODAY...Northeast winds 5 to 10 knots in the late
morning and early afternoon becoming light and variable. Waves
2 feet or less.
.TONIGHT...Light and variable winds becoming east 5 to 10 knots
early in the morning. Waves 2 feet or less.
.SATURDAY...East winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 5 to 10 knots early in the evening
becoming light and variable. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots increasing to 15 to
20 knots with gusts to around 30 knots late in the evening. Waves
2 feet or less building to 3 to 5 feet late in the evening.
.MONDAY...Northeast winds 15 to 20 knots becoming east 10 to
15 knots until early evening...then increasing to 15 to 20 knots
with gusts to around 30 knots by midnight. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the evening...then building to
3 to 5 feet by midnight.
.TUESDAY...East winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the evening...then
increasing to 15 to 20 knots with gusts to around 30 knots by
midnight. Waves 3 to 5 feet.


$$

LHZ362-363-182200-
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 AM EDT Fri Sep 18 2026

.REST OF TODAY...Northeast winds 10 to 15 knots becoming north
5 to 10 knots late in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northeast winds 5 to 10 knots veering to the east
after midnight. Waves 1 to 3 feet.
.SATURDAY...East winds 10 to 15 knots becoming southeast 5 to
10 knots in the late morning and afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots increasing to 20 to
25 knots with gusts to around 30 knots. Waves 1 to 3 feet
building to 5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...Northeast winds 15 to 20 knots. Gusts to 30 knots early
in the evening. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.TUESDAY...East winds 15 to 20 knots becoming northeast 20 to
25 knots with gusts to 35 knot gales. Waves 5 to 7 feet. Waves
occasionally around 10 feet.


$$

LHZ462>464-182200-
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 AM EDT Fri Sep 18 2026

.REST OF TODAY...North winds 10 to 15 knots. Waves 2 to 4 feet.
.TONIGHT...Northeast winds 10 to 15 knots veering to the east
early in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet
after midnight.
.SATURDAY...East winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Waves 1 to 3 feet.
.SUNDAY...Northeast winds 10 to 15 knots increasing to 20 to
25 knots. Waves 1 to 3 feet building to 5 to 7 feet. Waves
occasionally around 10 feet.
.MONDAY...Northeast winds 15 to 20 knots with gusts to around
30 knots becoming east 20 to 25 knots by midnight. Waves 4 to
6 feet.
.TUESDAY...Northeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots . A chance of showers by
midnight. Waves 4 to 6 feet.


$$

LHZ461-182200-
MAFOR 1815/
HURON NORTH 11100 12800 11100 14200. Waves 2 feet or less.

HURON SOUTH 13110 12100 12200 11300. Waves 2 to 4 feet this
afternoon. Waves 1 to 3 feet tonight and Saturday morning.

$$

AM

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)