Great Lakes Forecast
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FZUS63 KLOT 261937
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
237 PM CDT Sat May 26 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 30.0 inches over the southeast Atlantic
coast, and low pressure of 29.5 inches across the Great Plains
through the weekend. High pressure of 30.1 inches will build from
central Canada into the eastern Great Lakes by the middle of next
week as the trough lingers across the Great Plains and Rockies.

LMZ261-362-364-366-563-565-567-868-270315-
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-
237 PM CDT Sat May 26 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...South winds 10 to 15 kt. Chance of rain showers and
thunderstorms this evening. Patchy fog. Waves 1 to 2 ft.
.SUNDAY...South winds 10 to 15 kt. Patchy fog in the morning.
Waves 1 to 2 ft.
.SUNDAY NIGHT...South winds 5 to 10 kt. Waves 1 to 2 ft.
.MONDAY...Southwest winds 5 to 10 kt becoming south. Waves 1 ft
or less.
.MONDAY NIGHT...East winds 5 to 10 kt becoming northeast. Waves
1 ft or less.
.TUESDAY...East winds 10 to 15 kt. Waves 1 to 2 ft.
.TUESDAY NIGHT...Southeast winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 3 ft.
.WEDNESDAY...Southeast winds 10 to 15 kt. Waves 1 to 2 ft.
.THURSDAY...Northeast winds 5 to 10 kt backing to southwest.
Waves 1 ft or less.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-270315-
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-
237 PM CDT Sat May 26 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...South winds 10 to 15 kt. Waves 1 to 2 ft.
.SUNDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.
.SUNDAY NIGHT...South winds 5 to 10 kt. Waves 1 to 2 ft.
.MONDAY...Southeast winds less than 10 kt becoming south. Waves
1 ft or less.
.MONDAY NIGHT...Southeast winds 5 to 10 kt becoming east. Waves
nearly calm.
.TUESDAY...East winds 5 to 10 kt. Waves 1 ft or less.
.TUESDAY NIGHT...East winds 10 to 15 kt becoming southeast 10 to
20 kt. Waves 1 to 3 ft.
.WEDNESDAY...Southeast winds 10 to 15 kt becoming east. Chance of
showers. Waves 1 to 3 ft.
.THURSDAY...West winds 5 to 10 kt becoming southwest. Waves 1 ft
or less.

$$

LMZ761-270315-
MAFOR 2621/
MICHIGAN NORTH 16410. Chance of rain showers and thunderstorms
this evening. Waves 1 to 2 ft.

MICHIGAN SOUTH 15410 11410 11420. Waves 1 to 2 ft.

$$

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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