Great Lakes Forecast
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000
FZUS63 KLOT 271328
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
828 AM CDT Sun May 27 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...The western Great Lakes region will remain between
high pressure averaging 29.9 inches over the Atlantic coast, and
low pressure of 29.5 inches across the Great Plains today. High
pressure of 30.1 inches will build from central Canada into the
eastern Great Lakes by the middle of this week as the trough
lingers across the Great Plains and Rockies. Remnants of
Subtropical Storm Alberto are forecast to reach the southern
peninsula of Michigan Wednesday night at around 29.5 inches.

LMZ261-362-364-366-563-565-567-868-272115-
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-
828 AM CDT Sun May 27 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds 10 to 15 kt becoming south.
Patchy fog this morning. Waves 1 to 2 ft.
.TONIGHT...Variable winds 5 to 10 kt becoming south late. Waves 1
ft or less.
.MONDAY...Variable winds 5 to 10 kt. Waves 1 ft or less.
.MONDAY NIGHT...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.TUESDAY...Northeast winds 10 to 20 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...East winds 10 to 20 kt becoming southeast. Waves
1 to 3 ft.
.WEDNESDAY...East winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers. Waves 1 to 2 ft.
.THURSDAY...North winds 10 to 20 kt backing to southwest 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-272115-
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-
828 AM CDT Sun May 27 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...South winds 10 to 15 kt. Patchy fog this
morning. Waves 1 ft or less.
.TONIGHT...South winds 10 to 15 kt becoming southwest 5 to 10 kt
late. Waves 1 to 2 ft.
.MONDAY...South winds 5 to 10 kt becoming variable. Waves 1 ft or
less.
.MONDAY NIGHT...Northeast winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 to 2 ft.
.TUESDAY...Northeast winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.
.TUESDAY NIGHT...East winds 10 to 20 kt. Waves 1 to 3 ft.
.WEDNESDAY...East winds 10 to 20 kt. Chance of showers. Waves
1 to 3 ft.
.THURSDAY...West winds 10 to 15 kt becoming southwest. Waves 1 to
2 ft.

$$
LMZ761-272115-
MAFOR 2715/
MICHIGAN NORTH 11510 12410 13900 12400. Waves 1 to 2 ft today.
Waves 1 ft or less tonight.

MICHIGAN SOUTH 13410 11410 14400. Waves 1 ft or less today. Waves
1 to 2 ft tonight.

$$

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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