Great Lakes Forecast
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FZUS63 KLOT 240746
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
246 AM CDT Sun Sep 24 2017

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 of 30.2 inches centered south of Lake
Erie will move little through the remainder of the weekend then
gradually weaken early in the week. Low pressure around 29.6
inches is expected to develop across the Great Lakes region on
Tuesday night and move northeast and deepen through midweek, with
an associated cold front passing across the lake early Wednesday.

LMZ261-362-364-366-563-565-567-868-241530-
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-
246 AM CDT Sun Sep 24 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...South winds 10 to 15 kt. Waves 1 to 3 ft.
.TONIGHT...South winds 10 to 15 kt. Waves 1 to 3 ft.
.MONDAY...South winds 10 to 20 kt becoming southwest 10 to 15 kt.
Waves 1 to 3 ft.
.MONDAY NIGHT...South winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.TUESDAY...South winds 10 to 15 kt becoming southwest. Waves 1 to
2 ft.
.TUESDAY NIGHT...West winds 10 to 20 kt becoming northwest.
Chance of showers and thunderstorms. Waves 1 to 3 ft building to
2 to 4 ft.
.WEDNESDAY...Northwest winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 2 to 4 ft.
.THURSDAY...Northwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-241530-
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-
246 AM CDT Sun Sep 24 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...South winds 10 to 15 kt becoming southeast. Waves 1 to
2 ft.
.TONIGHT...Southeast winds 10 to 15 kt becoming south. Waves 1 to
3 ft.
.MONDAY...South winds 10 to 15 kt. Waves 1 to 2 ft.
.MONDAY NIGHT...Southeast winds 5 to 10 kt becoming south. Waves
1 to 2 ft.
.TUESDAY...South winds 10 to 15 kt. Waves 1 ft or less.
.TUESDAY NIGHT...Southwest winds 10 to 20 kt veering to northwest
15 to 25 kt. Waves 1 to 2 ft building to 2 to 4 ft.
.WEDNESDAY...Northwest winds 15 to 25 kt. Waves 3 to 5 ft.
.THURSDAY...North winds 10 to 20 kt becoming northwest. Waves
2 to 4 ft.

$$

LMZ761-241530-
MAFOR 2409/
MICHIGAN NORTH 16410. Waves 1 to 3 feet.

MICHIGAN SOUTH 11310 12410 14310 11410. Waves 1 to 3 feet.

$$


Lenning

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

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



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