Great Lakes Forecast
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147
FZUS63 KMKX 211959
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
259 PM CDT Sun Jul 21 2019

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan.

Waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.SYNOPSIS...

Northerly winds have become established across the lake due to
the passage of a cold front. The northerly winds will continue
into early this week as high pressure of 30.2 inches develops
over the northern Great Plains. Dry conditions are expected for
most of the lake this evening, except in the far south where some
showers and storms will linger into the evening hours. Overall
dry conditions are expected for much of the week.

LMZ261-362-364-366-563-565-567-868-221000-
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and north of a line from Charlevoix MI to South
Fox Island 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
259 PM CDT Sun Jul 21 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...North winds 10 to 20 kt. Waves 3 to 5 ft.
.MONDAY...North winds 10 to 20 kt becoming northwest. Waves 2 to
4 ft.
.MONDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.TUESDAY...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...Northwest winds 10 to 15 kt diminishing to less
than 10 kt overnight. Waves 1 to 2 ft.
.WEDNESDAY...West winds 10 to 15 kt. Waves 1 ft or less.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 kt becoming west.
Waves 1 ft or less.
.THURSDAY...Southwest winds 5 to 10 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.
.FRIDAY...Southwest winds 15 to 25 kt increasing to 30 kt. Waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-221000-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
259 PM CDT Sun Jul 21 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...North winds 10 to 20 kt becoming northeast. Waves 4 to
6 ft occasionally to 8 ft.
.MONDAY...North winds 15 to 25 kt increasing to 30 kt. Waves 4 to
7 ft occasionally to 9 ft.
.MONDAY NIGHT...North winds 15 to 25 kt becoming northwest 10 to
15 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft.
.TUESDAY...Northwest winds 10 to 15 kt becoming north 10 to
20 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...North winds 10 to 20 kt becoming northwest 5 to
10 kt overnight. Waves 1 to 3 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt becoming west. Waves 1 ft
or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 kt becoming west.
Waves 1 ft or less.
.THURSDAY...West winds 5 to 10 kt becoming southwest 10 to 20 kt.
Waves 1 to 2 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming south 15 to 25 kt.
Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.

$$

LMZ761-221000-
MAFOR 2121/
MICHIGAN NORTH 14820 11820 11810 12720. Waves 2 to 4 ft building
to 3 to 5 ft tonight. Waves 3 to 5 ft subsiding to 2 to 4 ft
Monday.

MICHIGAN SOUTH 12820 13120 13830. Waves 2 to 4 ft building to 4
to 6 ft occasionally to 8 ft tonight. Waves 4 to 7 ft
occasionally to 9 ft Monday.

$$


Stumpf

Experimental modernized open lake forecast is available online at
weather.gov/mkx/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes



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