Great Lakes Forecast
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982
FZUS63 KMKX 082050
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
250 PM CST Sat Dec 8 2018

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...

High pressure around 30.6 inches over north central Illinois will
slowly expand eastward to northern Ohio tonight and Sunday.
Meanwhile, low pressure of 29.8 inches will move southeast along
the southern coast of Hudson Bay and into southern Quebec Canada.
This will keep a steady west to northwest wind across Lake
Michigan for the rest of the weekend, and into early next week.
Somewhat stronger winds are expected across the northern half of
the lake.

By the middle of next week, high pressure of 30.4 inches moves
into the southeastern part of the country, and low pressure of
29.6 inches begins to form over the southern Rocky Mountains.
Winds should shift to the south and strengthen on Wednesday
across Lake Michigan.

LMZ261-362-364-366-563-565-567-868-090430-
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-
250 PM CST Sat Dec 8 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...West winds 15 to 25 kt. Waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft.
.SUNDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 3 to 5 ft subsiding to 2 to 4 ft.
.SUNDAY NIGHT...West winds 10 to 20 kt. Waves 2 to 4 ft.
.MONDAY...West winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY NIGHT...West winds 10 to 20 kt. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 20 kt becoming south 10 to 15 kt.
Waves 1 to 3 ft.
.TUESDAY NIGHT...Southeast winds 10 to 20 kt. Waves 1 to 2 ft
building to 2 to 4 ft.
.WEDNESDAY...South winds to 30 kt. Chance of rain. Waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft.
.THURSDAY...Southwest winds 10 to 20 kt. Waves 4 to 6 ft
occasionally to 8 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-090430-
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-
250 PM CST Sat Dec 8 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...Southwest winds 10 to 15 kt becoming west. Waves 1 to
3 ft.
.SUNDAY...West winds 10 to 20 kt becoming northwest. Waves 2 to
4 ft.
.SUNDAY NIGHT...Northwest winds 10 to 20 kt becoming west. Waves
2 to 4 ft.
.MONDAY...West winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY NIGHT...West winds 10 to 20 kt. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.
.TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming south.
Waves 1 to 3 ft.
.WEDNESDAY...South winds to 30 kt. Chance of rain. Waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft.
.THURSDAY...Southwest winds 10 to 20 kt becoming south. Chance of
rain. Waves 3 to 5 ft.

$$

LMZ761-090430-
MAFOR 0822/
MICHIGAN NORTH 11520 14630 11630 12620. Waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft tonight. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft Sunday.

MICHIGAN SOUTH 13510 14610 11720. Waves 2 to 4 ft.

$$
Wood

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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