Great Lakes Forecast
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FZUS63 KLOT 160736
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
236 AM CDT Mon Apr 16 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...Low pressure of 29.5 inches over the Eastern Ohio
Valley will lift across the eastern Great Lakes today, and
continue to lift into southern Quebec Tuesday. Meanwhile, high
pressure of 30.8 inches centered over Northern Quebec will
continue north. A ridge of high pressure averaging 30.2 inches
over the Plains will spread across the Middle and Upper
Mississippi Valley Tuesday. Low pressure will develop across the
central Plains Tuesday, and then track to the southern Great Lakes
Wednesday.

LMZ261-362-364-366-563-565-161530-
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-
236 AM CDT Mon Apr 16 2018

TWO RIVERS WI TO MANISTEE MI NORTH...

.TODAY...Northeast winds to 30 kt backing to northwest. Snow
showers this morning, then snow showers likely this afternoon.
Waves 7 to 10 ft occasionally to 13 ft.
.TONIGHT...Northwest winds to 30 kt. Snow showers likely in the
evening, then chance of snow showers overnight. Waves 6 to 9 ft
occasionally to 12 ft.
.TUESDAY...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Chance of snow in the morning. Waves 5 to 8 ft occasionally to
10 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.TUESDAY NIGHT...Northwest winds 10 to 20 kt becoming north 10 to
15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.WEDNESDAY...Northeast winds 10 to 20 kt increasing to 15 to
25 kt. Chance of rain and snow in the afternoon. Waves 1 to 3 ft
building to 3 to 5 ft.
.WEDNESDAY NIGHT...Northeast winds to 30 kt becoming north.
Chance of rain. Waves 4 to 6 ft occasionally to 8 ft.
.THURSDAY...North winds 15 to 25 kt. Waves 4 to 6 ft occasionally
to 8 ft.
.FRIDAY...North winds 10 to 15 kt. Waves 1 to 3 ft.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-161530-
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-
236 AM CDT Mon Apr 16 2018

TWO RIVERS WI TO MANISTEE MI SOUTH...

.TODAY...Northwest winds to 30 kt. Snow showers likely this
morning, then chance of snow showers this afternoon. Waves 8 to
11 ft occasionally to 14 ft.
.TONIGHT...Northwest winds to 30 kt. Chance of snow showers.
Waves 8 to 11 ft occasionally to 14 ft.
.TUESDAY...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.TUESDAY NIGHT...North winds 10 to 15 kt becoming northeast.
Waves 3 to 5 ft subsiding to 1 to 3 ft.
.WEDNESDAY...East winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of rain and light freezing rain in the morning, then rain
likely in the afternoon. Waves 3 to 5 ft.
.WEDNESDAY NIGHT...Northwest winds to 30 kt becoming north.
Chance of rain and snow. Waves 4 to 6 ft occasionally to 8 ft
building to 4 to 7 ft occasionally to 9 ft.
.THURSDAY...North winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.FRIDAY...North winds 10 to 15 kt. Waves 1 to 3 ft.

$$

LMZ761-161530-
MAFOR 1609/
MICHIGAN NORTH 11147 13847 13747 11740. Waves 7 to 10 ft
occasionally to 13 ft today. Waves 6 to 9 ft occasionally to 12 ft
tonight.

MICHIGAN SOUTH 13747 14740 11740. Chance of snow showers. Waves 8
to 11 ft occasionally to 14 ft.

$$


JEE

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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