Great Lakes Forecast
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000
FZUS63 KLOT 161410
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
810 AM CST Fri Feb 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...High pressure of 30.4 inches across the central plains
will move across northern Illinois this evening then to the New
England coast Saturday. Low pressure of 29.4 inches will move
across Hudson Bay tonight through Saturday with a trailing cold
front moving across Lake Michigan Saturday evening. A ridge
averaging 30.2 inches will move across Lake Michigan early Sunday.
Low pressure of 29.5 inches will move from Wyoming Sunday to
southern Lake Michigan Monday night.

LMZ261-362-364-366-563-565-567-868-162230-
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-
810 AM CST Fri Feb 16 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northwest winds 15 to 25 kt backing to west.
Chance of flurries this morning. Waves 4 to 7 ft occasionally to 9
ft subsiding to 2 to 4 ft.
.TONIGHT...Southwest winds 15 to 25 kt increasing to 30 kt.
Freezing spray overnight. Waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft.
.SATURDAY...Southwest gales to 35 kt diminishing to 30 kt.
Freezing spray in the morning. Snow likely in the afternoon.
Waves 7 to 10 ft occasionally to 13 ft building to 8 to 12 ft
occasionally to 16 ft.
.SATURDAY NIGHT...West winds to 30 kt diminishing to 15 to 25 kt.
Chance of snow in the evening. Waves 6 to 9 ft occasionally to
12 ft subsiding to 4 to 7 ft occasionally to 9 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming south to 30 kt in
the afternoon. Chance of snow in the afternoon. Waves 2 to 4 ft
building to 5 to 8 ft occasionally to 10 ft.
.SUNDAY NIGHT...South winds to 30 kt becoming southwest 15 to
25 kt. Chance of snow. Waves 5 to 8 ft occasionally to 10 ft
subsiding to 4 to 7 ft occasionally to 9 ft.
.MONDAY...East winds 10 to 20 kt becoming northeast. Rain
showers, chance of snow showers and freezing rain. Waves 3 to
5 ft.
.TUESDAY...North winds 10 to 20 kt. Chance of snow and rain
showers. Waves 3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-162230-
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-
810 AM CST Fri Feb 16 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northwest winds 15 to 25 kt. Chance of flurries
this morning. Waves 6 to 9 ft occasionally to 12 ft subsiding to
4 to 6 ft occasionally to 8 ft late.
.TONIGHT...West winds 10 to 20 kt becoming southwest 15 to 25 kt.
Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.SATURDAY...Southwest winds to 30 kt. Chance of snow in the
afternoon. Waves 4 to 7 ft occasionally to 9 ft building to 5 to
8 ft occasionally to 10 ft.
.SATURDAY NIGHT...Southwest winds to 30 kt becoming west 15 to
25 kt. Chance of snow and rain in the evening. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.SUNDAY...South winds 10 to 20 kt increasing to 30 kt in the
afternoon. Waves 2 to 4 ft building to 5 to 8 ft occasionally to
10 ft.
.SUNDAY NIGHT...South winds to 30 kt. Chance of rain. Waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.MONDAY...South winds 10 to 20 kt increasing to 30 kt in the
afternoon. Rain showers with a chance of freezing rain. Waves 2
to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.TUESDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of rain showers. Waves 3 to 5 ft.

$$
LMZ761-162230-
MAFOR 1616/
MICHIGAN NORTH 11730 12620 11530 13540 11550. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft occasionally to 7 ft
today. Waves 3 to 5 ft occasionally to 7 ft building to 5 to 8 ft
occasionally to 10 ft tonight and to 8 to 11 ft occasionally to 14
ft Saturday morning.

MICHIGAN SOUTH 13730 11620 11520 12530 11540. Waves 6 to 9 ft
occasionally to 11 ft subsiding to 4 to 7 ft occasionally to 9 ft
today. Waves 3 to 5 ft occasionally to 7 ft building to 4 to 6 ft
occasionally to 8 ft tonight into Saturday morning.


$$


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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