Great Lakes Forecast
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FZUS63 KMKX 181453
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
853 AM CST Mon Feb 18 2019

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 30.7 inches will move from the Northern Plains to
the Great Lakes today into Tuesday, bringing gradually decreasing
winds to Lake Michigan. Low pressure of 29.7 inches will then
move from the Southern Plains to southern Lake Michigan Tuesday
night into Wednesday, then into Ontario and Quebec Wednesday Night
and Thursday. Gusty east to southeast winds are expected
Wednesday, with gusty west winds Wednesday night. High pressure of
30.3 inches will move from Missouri into Wisconsin Wednesday
night and Thursday. Lighter winds are expected Thursday with the
high.

LMZ261-362-364-366-563-565-567-868-182230-
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-
853 AM CST Mon Feb 18 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...North winds 10 to 20 kt. Isolated snow showers
through mid morning. Freezing spray. Waves 3 to 5 ft.
.TONIGHT...North winds 10 to 15 kt becoming west. Freezing spray.
Isolated snow showers overnight. Waves 2 to 4 ft subsiding to
1 to 2 ft.
.TUESDAY...West winds 5 to 10 kt becoming southwest. Freezing
spray. Waves 1 to 2 ft.
.TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming south.
Freezing spray in the evening. Waves 1 to 3 ft.
.WEDNESDAY...Southeast winds to 30 kt becoming east 15 to 25 kt.
Freezing spray in the morning. Snow likely in the morning, then
snow with a chance of light freezing rain in the afternoon. Waves
4 to 6 ft occasionally to 8 ft.
.WEDNESDAY NIGHT...Southeast winds 10 to 20 kt veering to west
15 to 25 kt. Snow, chance of rain and light freezing rain. Waves
3 to 5 ft.
.THURSDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 3 to 5 ft subsiding to 2 to 4 ft.
.FRIDAY...West winds 10 to 15 kt becoming southwest. Waves 1 to
2 ft.

Wave forecast is for ice free areas

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-182230-
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-
853 AM CST Mon Feb 18 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northeast winds 10 to 20 kt becoming north.
Scattered snow showers through mid morning, then isolated snow
showers this afternoon. Waves 3 to 5 ft.
.TONIGHT...North winds 10 to 20 kt becoming northwest 5 to 10 kt.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...Southwest winds 5 to 10 kt becoming south 10 to 15 kt.
Waves 1 to 2 ft.
.TUESDAY NIGHT...Southeast winds 10 to 20 kt increasing to 15 to
25 kt. Chance of snow overnight. Waves 1 to 2 ft building to 2 to
4 ft.
.WEDNESDAY...East winds to 30 kt becoming southeast. Snow and
light freezing rain likely in the morning, then snow with
possible rain and freezing rain likely in the afternoon. Waves
4 to 7 ft occasionally to 9 ft.
.WEDNESDAY NIGHT...Southwest winds 15 to 25 kt becoming west to
30 kt. Chance of rain. Waves 4 to 6 ft occasionally to 8 ft.
.THURSDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
.FRIDAY...Southwest winds 5 to 10 kt backing to southeast 10 to
15 kt. Waves 1 ft or less.

Wave forecast is for ice free areas

$$

LMZ761-182230-
MAFOR 1816/
MICHIGAN NORTH 12820 12810 12700 11600 11610. Waves 3 to 5 ft
this afternoon. Waves 2 to 4 ft subsiding to 1 ft or less
tonight. Waves 1 ft or less Tuesday morning. Wave heights are for
ice free areas.

MICHIGAN SOUTH 12820 12810 12800 11600 11500. Waves 3 to 5 ft
this afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft tonight.
Waves 1 to 3 ft Tuesday morning.

$$
Wood

Experimental modernized open lake forecast is available online at
weather.gov/mkx/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes


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