Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 152003
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
303 PM CDT Thu Jun 15 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...Low pressure of 29.4 inches over Manitoba will slowly
move east northeast and reach James Bay with a pressure of around
29.5 inches by early Saturday. A trough of low pressure averaging
29.5 inches will reach the western Great Lakes Saturday. A deeper
low of 29.3 inches will reach Lake Michigan Saturday night, and
then lift northeast to Ontario Sunday morning. As this low slowly
moves to Quebec into early next week, weak high pressure of 30.0
inches will spread across the central Plains.

LMZ261-362-364-366-563-565-160330-
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-
303 PM CDT Thu Jun 15 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...

.TONIGHT...Southwest winds 10 to 20 kt. Areas of dense fog this
evening. Waves 2 to 4 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming south. Slight
chance of showers and thunderstorms in the afternoon. Waves 2 to
4 ft.
.FRIDAY NIGHT...Southwest winds 10 to 20 kt becoming south 10 to
15 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft.
.SATURDAY...South winds 10 to 15 kt. Chance of showers and
thunderstorms. Waves 1 to 3 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming southwest
10 to 20 kt. Showers and thunderstorms likely. Waves 1 to 2 ft
building to 2 to 4 ft.
.SUNDAY...Southwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 3 to 5 ft.
.SUNDAY NIGHT...West winds 10 to 20 kt becoming northwest 10 to
15 kt. Chance of showers. Waves 1 to 3 ft.
.MONDAY...Northwest winds 10 to 15 kt becoming west. Chance of
showers. Waves 1 to 2 ft.
.TUESDAY...Southwest winds 10 to 20 kt. Waves 1 to 2 ft.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-160330-
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-
303 PM CDT Thu Jun 15 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.TONIGHT...South winds 10 to 20 kt becoming southwest. Patchy
dense fog this evening. Slight chance of showers and
thunderstorms this evening...then chance of showers and
thunderstorms overnight. Waves 1 to 3 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming south. Slight
chance of showers in the morning...then slight chance of showers
and thunderstorms in the afternoon. Waves 1 to 3 ft.
.FRIDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.
.SATURDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers and thunderstorms. Waves 1 to 2 ft.
.SATURDAY NIGHT...South winds 15 to 25 kt becoming southwest to
30 kt. Showers and thunderstorms likely in the evening...then
chance of showers and thunderstorms overnight. Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west. Waves 2 to
4 ft.
.SUNDAY NIGHT...West winds 10 to 20 kt becoming northwest. Waves
1 to 3 ft.
.MONDAY...West winds 10 to 20 kt. Waves 1 to 2 ft.
.TUESDAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ761-160330-
MAFOR 1521/
MICHIGAN NORTH 11424 13524 11510 12520 11420. Chance of showers
and thunderstorms late this evening. Waves 2 to 4 feet.

MICHIGAN SOUTH 12420 19414 13520 11420 12520. Chance of showers
and thunderstorms late this evening. Waves 1 to 3 feet.

$$


Rodriguez

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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