Great Lakes Forecast
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FZUS63 KLOT 260157
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
857 PM CDT Fri May 25 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...Through Sunday, the western Great Lakes will remain
between a high pressure ridge averaging 30.0 inches across the
east coast and a low pressure trough averaging 29.6 inches across
the Great Plains. 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.

LMZ261-362-364-366-563-565-567-868-260915-
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-
857 PM CDT Fri May 25 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...South winds 10 to 20 kt. Scattered showers and
thunderstorms through the early overnight. Patchy fog. Waves 2 to
4 ft.
.SATURDAY...South winds 10 to 20 kt. Patchy fog. Slight chance of
rain showers and thunderstorms, mainly in the afternoon. Waves 1
to 3 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of rain showers and thunderstorms in the evening.
Waves 1 to 2 ft.
.SUNDAY...Southwest winds 10 to 15 kt. Waves 1 to 2 ft.
.SUNDAY NIGHT...Southwest winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.MONDAY...West winds 5 to 10 kt becoming southwest. Waves 1 ft or
less.
.MONDAY NIGHT...Northeast winds 10 to 20 kt. Waves 1 to 2 ft.
.TUESDAY...Northeast winds 10 to 20 kt. Waves 1 to 2 ft.
.WEDNESDAY...South winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-260915-
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-
857 PM CDT Fri May 25 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...South winds 10 to 20 kt becoming southwest.
Patchy fog overnight. Waves 1 to 3 ft.
.SATURDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Patchy fog. Waves 1 to 2 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt becoming southwest.
Waves 1 to 2 ft.
.SUNDAY...Southwest winds 10 to 15 kt becoming south. Waves 1 to
2 ft.
.SUNDAY NIGHT...South winds 10 to 15 kt becoming southwest. Waves
1 ft or less.
.MONDAY...West winds 5 to 10 kt becoming southwest. Waves 1 ft or
less.
.MONDAY NIGHT...North winds 10 to 20 kt becoming northeast. Waves
1 to 2 ft.
.TUESDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.WEDNESDAY...Southeast winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.

$$
LMZ761-260915-
MAFOR 2603/
MICHIGAN NORTH 12420 14410 11420 11310. Chance of showers and
thunderstorms late this evening and Saturday evening. Waves 2 to
4 ft overnight and Saturday. Waves 1 to 3 ft Saturday evening.

MICHIGAN SOUTH 11420 12510 14410 11310. Waves 1 to 3 ft.

$$

Kluber

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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