Great Lakes Forecast
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FZUS63 KLOT 172005
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
305 PM CDT Sat Jun 17 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 over northeast Ontario will shift to
Quebec tonight while a deepening low of 29.4 inches moves over the
lake tonight and then reaches southeast Ontario Sunday afternoon.
The low will slowly continue north over western Quebec while high
pressure of 30.0 inches spreads over the Plains into early next
week. The high will strengthen to 30.1 inches over the southern
Mississippi Valley early next week while a second high of 30.0
inches moves over the Dakotas. The two highs will merge together
Wednesday and the northern edge of the high pressure ridge will
pass over the lake Wednesday afternoon averaging 29.9 inches.

LMZ261-362-364-366-563-565-180330-
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-
305 PM CDT Sat Jun 17 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.TONIGHT...South winds 10 to 15 kt diminishing to 5 to 10 kt.
Chance of showers and thunderstorms this evening...then showers
and thunderstorms likely overnight. Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west. Showers
likely in the morning...then chance of showers in the afternoon.
Waves 2 to 4 ft.
.SUNDAY NIGHT...West winds 10 to 15 kt. Chance of showers in the
evening. Waves 1 to 3 ft.
.MONDAY...West winds 10 to 15 kt becoming southwest. Chance of
showers. Waves 1 to 2 ft.
.MONDAY NIGHT...West winds 10 to 15 kt. Chance of showers in the
evening. Waves 1 to 2 ft.
.TUESDAY...West winds 10 to 15 kt becoming southwest. Chance of
showers and thunderstorms. Waves 1 to 2 ft.
.TUESDAY NIGHT...West winds 10 to 15 kt becoming northwest 5 to
10 kt. Waves 1 ft or less.
.WEDNESDAY...Southwest winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 ft or less.
.THURSDAY...Southwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-180330-
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-
305 PM CDT Sat Jun 17 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.TONIGHT...South winds 10 to 15 kt increasing to 10 to 20 kt late
this evening...then becoming southwest 15 to 25 kt late. Chance
of showers and thunderstorms. Waves 2 to 4 ft.
.SUNDAY...West winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers in the morning...then slight chance of showers
in the afternoon. Waves 2 to 4 ft.
.SUNDAY NIGHT...West winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY...West winds 10 to 20 kt. Chance of showers in the
afternoon. 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. Chance of showers and
thunderstorms. Waves 1 to 3 ft.
.TUESDAY NIGHT...West winds 10 to 15 kt becoming northwest. Waves
1 to 2 ft.
.WEDNESDAY...West winds 5 to 10 kt backing to south 10 to 20 kt
in the afternoon. Waves 1 ft or less.
.THURSDAY...Southwest winds 10 to 20 kt becoming west. Chance of
showers and thunderstorms. Waves 2 to 4 ft.

$$

LMZ761-180330-
MAFOR 1721/
MICHIGAN NORTH 11500 11410 12400 11419 11526 11536 11630. Chance
of showers and thunderstorms early this evening. Chance of
showers late this evening. Chance of showers Sunday. Waves 1 to 3
feet tonight. Waves 2 to 4 feet Sunday.

MICHIGAN SOUTH 13410 11420 11530 11620 12630. Chance of showers
and thunderstorms tonight. Chance of thunderstorms late Sunday.
Waves 2 to 4 feet tonight. Waves 2 to 4 feet Sunday.


$$


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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