Great Lakes Forecast
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FZUS63 KLOT 161946
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
246 PM CDT Fri Jun 16 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...A 29.5 inch low across Ontario will slowly move east
and reach James Bay by early Saturday. A trough of low pressure
averaging 29.5 inches will reach the western Great Lakes Saturday.
Another low of 29.5 inches will reach Lake Michigan Saturday
night, and then lift northeast to Ontario Sunday morning. Behind
the low a cold front will shift east across the lake. As this low
strengthens and slowly moves to Quebec into early next week, weak
high pressure of 30.0 inches will spread across the central
Plains.

LMZ261-362-364-366-563-565-170330-
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-
246 PM CDT Fri Jun 16 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.TONIGHT...South winds increasing to 10 to 20 kt. Chance of
showers and thunderstorms. Waves building to 2 to 4 ft.
.SATURDAY...South winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt. Chance of showers and
thunderstorms in the evening...then showers and thunderstorms
likely overnight. Waves 1 to 2 ft.
.SUNDAY...West winds 10 to 20 kt. Chance of showers. Waves 2 to
4 ft.
.SUNDAY NIGHT...West winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY...West winds 10 to 15 kt. Chance of showers in the
afternoon. Waves 1 to 2 ft.
.MONDAY NIGHT...West winds 10 to 15 kt. Waves 1 to 2 ft.
.TUESDAY...Southwest winds 10 to 15 kt. Chance of showers and
thunderstorms. Waves 1 to 2 ft.
.WEDNESDAY...West winds 10 to 15 kt becoming southwest 10 to
20 kt. Waves 1 ft or less.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-170330-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 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 Pentwater to Manistee MI 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 PM CDT Fri Jun 16 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.TONIGHT...South winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 1 to 3 ft.
.SATURDAY...South winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt becoming southwest
10 to 20 kt. Showers and thunderstorms likely. Waves 1 to 3 ft.
.SUNDAY...West winds 15 to 25 kt. Waves 1 to 3 ft.
.SUNDAY NIGHT...West winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY...West winds 10 to 20 kt. Waves 1 to 2 ft.
.MONDAY NIGHT...West winds 10 to 15 kt. Waves 1 to 2 ft.
.TUESDAY...West winds 10 to 15 kt. Chance of showers. Waves 1 to
2 ft.
.WEDNESDAY...Northwest winds 10 to 15 kt backing to south. Waves
1 to 2 ft.

$$

LMZ761-170330-
MAFOR 1621/
MICHIGAN NORTH 13420 11429 14420. Chance of showers and
thunderstorms early this evening and Saturday. Waves 2 to 4 ft
tonight. Waves 1 to 3 ft Saturday.

MICHIGAN SOUTH 11410 15420. Chance of showers and thunderstorms
late this evening. Chance of showers and thunderstorms Saturday.
Waves 1 to 3 ft.

$$

KMD

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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