Great Lakes Forecast
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720
FZUS63 KMKX 150836
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
236 AM CST Fri Feb 15 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...

Low pressure of 29.3 inches near northern lower Michigan will
further deepen as it moves into southern Ontario today. A strong
cold front that has pushed well east of Lake Michigan has resulted
in west to northwest gales behind the front. Heavy freezing spray
will also be a concern, with very cold temperatures. the threat
for gales and the heavy freezing spray should diminish by midday.

High pressure of 30.4 inches will continue to draw closer from
the Dakotas. Low pressure of 29.7 inches will develop over
Missouri on Sunday, causing winds to become easterly across the
lake.

LMZ261-362-364-366-563-565-567-868-151615-
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-
236 AM CST Fri Feb 15 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT UNTIL NOON CST TODAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL NOON CST TODAY...

.TODAY...West gales to 40 kt becoming northwest to 30 kt. Heavy
freezing spray this morning, then freezing spray this afternoon.
Chance of snow this morning, then slight chance of snow this
afternoon. Waves 6 to 9 ft occasionally to 12 ft subsiding to
3 to 5 ft.
.TONIGHT...Northwest winds to 30 kt becoming north 10 to 20 kt.
Slight chance of snow in the evening. Freezing spray. Waves 3 to
5 ft.
.SATURDAY...North winds 10 to 15 kt. Freezing spray. Waves 2 to
4 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming east.
Freezing spray. Waves 2 to 4 ft.
.SUNDAY...Northeast winds 10 to 20 kt. Freezing spray. Waves 1 to
3 ft.
.SUNDAY NIGHT...Northeast winds 10 to 20 kt. Freezing spray.
Chance of snow. Waves 2 to 4 ft.
.MONDAY...Northeast winds 10 to 20 kt becoming north 10 to 15 kt.
Freezing spray. Waves 1 to 3 ft.
.TUESDAY...Southwest winds 10 to 15 kt becoming west. Chance of
snow showers. Waves 1 ft or less.

Wave forecast is for ice free areas

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-151615-
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-
236 AM CST Fri Feb 15 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL NOON CST TODAY...

.TODAY...West winds to 30 kt becoming northwest 15 to 25 kt. A few
gale gusts to 35 knots early. Chance of snow this morning. Heavy
freezing spray this morning, then freezing spray this afternoon.
Waves 8 to 12 ft occasionally to 16 ft subsiding to 6 to 9 ft
occasionally to 12 ft.
.TONIGHT...Northwest winds 15 to 25 kt becoming north late in the
evening, then diminishing to 10 to 20 kt after midnight
diminishing to 10 to 15 kt late. Freezing spray. Waves 4 to 6 ft
occasionally to 8 ft.
.SATURDAY...Northeast winds 10 to 15 kt. Chance of flurries in
the afternoon. Waves 2 to 4 ft.
.SATURDAY NIGHT...East winds 15 to 25 kt. Freezing spray
overnight. Waves 3 to 5 ft.
.SUNDAY...East winds 15 to 25 kt becoming northeast. Freezing
spray in the morning. Snow likely. Waves 3 to 5 ft.
.SUNDAY NIGHT...Northeast winds 10 to 20 kt. Chance of snow
showers. Waves 2 to 4 ft.
.MONDAY...Northeast winds 10 to 20 kt becoming north 10 to 15 kt.
Waves 1 to 3 ft.
.TUESDAY...Southwest winds 10 to 15 kt backing to southeast.
Waves 1 ft or less.

Wave forecast is for ice free areas

$$

LMZ761-151615-
MAFOR 1510/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11652 11752 12750 12740
11730 11820. Scattered snow showers early, then chance of snow
this morning. Waves 7 to 10 ft occasionally to 13 ft subsiding to
4 to 7 ft occasionally to 9 ft today. Waves 3 to 5 ft tonight.
Wave heights are for ice free areas.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11650 11642 11640 11630
12730 11830 11820. Chance of snow this morning. Waves 8 to 12 ft
occasionally to 16 ft subsiding to 4 to 7 ft occasionally to 9 ft
today. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5
ft tonight.

$$
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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