Great Lakes Forecast
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FZUS63 KMKX 141659
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
1159 AM CDT Thu Mar 14 2024

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...

Dense marine fog has developed across southwestern portions of
Lake Michigan this morning as a warm air and light southerly winds
persist into this evening. A Dense Fog Advisory has been issued
through early this evening for this concern. Away from
southwestern portions of the lake, breezy northeast winds will
continue. Winds shift to northerly late this afternoon and
tonight as low pressure of 29.7 inches tracks from northern
Missouri into north central Indiana. Occasional thunderstorms are
possible over the southern third of the lake through this
afternoon.

Another area of low pressure of 29.3 inches will cross southern
Ontario Saturday, bringing a round of breezy southwest winds
ahead of the associated cold front, and followed by northwest
winds behind the front. Gusts to 30 knots are expected Saturday
through Monday.

LMZ261-362-364-366-563-565-567-868-142115-
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-
1159 AM CDT Thu Mar 14 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northeast winds 15 to 25 kt increasing to 30 kt.
Chance of rain. Waves 4 to 6 ft occasionally to 8 ft building to
4 to 7 ft occasionally to 9 ft.
.TONIGHT...North winds 15 to 25 kt. Slight chance of rain in the
evening. Waves 4 to 7 ft occasionally to 9 ft.
.FRIDAY...North winds 10 to 20 kt becoming northwest. Waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
.FRIDAY NIGHT...South winds 10 to 15 kt becoming southwest 15 to
25 kt overnight. Waves 1 to 3 ft building to 3 to 5 ft.
.SATURDAY...Southwest winds to 30 kt becoming west. Chance of
rain. Waves 5 to 8 ft occasionally to 10 ft.
.SATURDAY NIGHT...Northwest winds to 30 kt. Waves 4 to 7 ft
occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.
.SUNDAY...Northwest winds to 30 kt. Waves 6 to 9 ft occasionally
to 12 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.

$$

LMZ080-669-671-673-870-872-874-876-878-142115-
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 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-
1159 AM CDT Thu Mar 14 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH TO WIND POINT WI TO HOLLAND
MI...

.REST OF TODAY...East winds 15 to 25 kt becoming northeast to
30 kt. Patchy fog. Rain and slight chance of thunderstorms. Waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft.
.TONIGHT...North winds 15 to 25 kt. Patchy fog in the evening.
Chance of rain and slight chance of thunderstorms in the evening,
then slight chance of rain overnight. Waves 5 to 8 ft
occasionally to 10 ft.
.FRIDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.FRIDAY NIGHT...West winds 10 to 15 kt becoming southwest 15 to
25 kt overnight. Waves 3 to 5 ft.
.SATURDAY...Southwest winds to 30 kt becoming west. Waves 6 to
9 ft occasionally to 12 ft.
.SATURDAY NIGHT...Northwest winds to 30 kt. Waves 6 to 9 ft
occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft.
.SUNDAY...Northwest winds to 30 kt. Waves 7 to 10 ft occasionally
to 13 ft subsiding to 6 to 9 ft occasionally to 12 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.

$$

LMZ675-777-779-142115-
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-
1159 AM CDT Thu Mar 14 2024

WIND POINT WI TO HOLLAND MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...East winds 10 to 20 kt becoming northeast 15 to
25 kt. Areas of dense fog. Rain likely with a chance of
thunderstorms late this morning, then chance of rain and
thunderstorms this afternoon. Waves 3 to 5 ft building to 4 to
6 ft occasionally to 8 ft.
.TONIGHT...North winds 15 to 25 kt. Patchy fog. Chance of rain
and slight chance of thunderstorms in the evening, then slight
chance of rain overnight. Waves 5 to 8 ft occasionally to 10 ft.
.FRIDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.FRIDAY NIGHT...West winds 5 to 10 kt becoming southwest 10 to
20 kt overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.SATURDAY...Southwest winds 15 to 25 kt becoming west. Waves 4 to
7 ft occasionally to 9 ft.
.SATURDAY NIGHT...Northwest winds 15 to 25 kt. Waves 4 to 6 ft
occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft.
.SUNDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.MONDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.

$$

LMZ761-142115-
MAFOR 1416 AMD/
MICHIGAN NORTH 12130 13830 12820. A chance of rain this afternoon
and evening. Waves 4 to 7 ft occasionally to 9 ft this afternoon
and tonight. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3
to 5 ft Friday morning.

MICHIGAN SOUTH 11136 19134 11130 19134 14830 11820. Waves 4 to 7
ft occasionally to 9 ft this afternoon. Waves 5 to 8 ft
occasionally to 10 ft tonight. Waves 5 to 8 ft occasionally to 10
ft subsiding to 4 to 7 ft occasionally to 9 ft Friday morning.

$$


MH

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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