Great Lakes Forecast
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FZUS63 KLOT 160839
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
239 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 is centered over the
Dakotas this morning and 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.

LMZ261-362-364-366-563-565-567-868-161645-
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-
239 AM CST Fri Feb 16 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...North winds 15 to 25 kt becoming west 10 to 20 kt.
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.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-161645-
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-
239 AM CST Fri Feb 16 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...North winds 15 to 25 kt becoming northwest this
morning...then west 10 to 20 kt late this afternoon. Chance of
flurries this morning. Waves 6 to 9 ft occasionally to 12 ft
subsiding to 4 to 6 ft occasionally to 8 ft.
.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.

$$

LMZ761-161645-
MAFOR 1610/
MICHIGAN NORTH 11830 12730 12620 11530 12541. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 2 to 4 ft today. Waves 3 to 5
ft building to 5 to 8 ft occasionally to 10 ft tonight.

MICHIGAN SOUTH 11830 13730 12620 11520 11530. Waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to 8 ft
today. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft
tonight.

$$

BMD

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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