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000
FZUS63 KMKX 110812
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
312 AM CDT Thu Apr 11 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...

A bit of tricky forecast for winds over the Lake Michigan later
today into Friday. Continue to see a trend delaying the stronger
wind gusts later into early Friday morning now as the surface low
deepens to around 28.9 inches further east than previous
forecast. There continues to be gale potential as this low deepens
and lifts across the eastern Great Lakes, but some questions
remain. Have higher confidence in seeing northwesterly gale force
gusts across the northern third of Lake Michigan and have upgraded
to a Gale Warning for early Friday morning through Friday
afternoon. However, will maintain and have delayed the start of he
Gale Watch for the southern two-thirds given the easterly shift
of the surface low, which favors now favors more of the east side
of the open waters and lower MI lakeshore for gales.

Winds will gradually weaken later Friday night into the weekend
as the low tracks northeast into Quebec. Then broad area of high
pressure around 30.0 inches will fill in behind this system for
Saturday before a weak area of low pressure around 29.7 inches
moves across the middle of Lake Michigan on Sunday.


LMZ261-362-364-563-111545-
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 Rock Island Passage to Sturgeon Bay WI-
312 AM CDT Thu Apr 11 2024

STURGEON BAY WI TO POINT BETSIE MI NORTH...

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

.TODAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Chance of rain showers. Waves 1 to 3 ft.
.TONIGHT...North winds 10 to 20 kt becoming northwest gales to
40 kt. Rain showers. Waves 2 to 4 ft building to 6 to 9 ft
occasionally to 12 ft.
.FRIDAY...Northwest gales to 40 kt. Rain showers likely in the
morning, then chance of rain showers in the afternoon. Waves 8 to
11 ft occasionally to 14 ft building to 10 to 14 ft occasionally
to 18 ft.
.FRIDAY NIGHT...Northwest gales to 40 kt diminishing to 30 kt
overnight. Waves 8 to 11 ft occasionally to 14 ft subsiding to
4 to 7 ft occasionally to 9 ft.
.SATURDAY...Northwest winds to 30 kt becoming southwest 10 to
20 kt in the afternoon. Waves 4 to 6 ft occasionally to 8 ft
subsiding to 3 to 5 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt becoming southeast
10 to 20 kt. Chance of rain showers. Waves 1 to 3 ft.
.SUNDAY...South winds 10 to 20 kt backing to north. Waves 1 to
3 ft.
.MONDAY...East winds 10 to 15 kt. Waves 1 to 2 ft.

$$

LMZ366-565-567-868-111545-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
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-
312 AM CDT Thu Apr 11 2024

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO SHEBOYGAN WI TO
PENTWATER MI...

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

.TODAY...East winds 5 to 10 kt becoming northeast 10 to 15 kt
late this morning, then increasing to 10 to 20 kt early this
afternoon becoming north 15 to 25 kt late. Slight chance of rain
showers this morning, then chance of rain showers this afternoon.
Waves 1 to 2 ft building to 3 to 5 ft.
.TONIGHT...North winds to 30 kt becoming northwest gales to
35 kt. Rain showers. Waves 4 to 7 ft occasionally to 9 ft
building to 6 to 9 ft occasionally to 12 ft.
.FRIDAY...Northwest gales to 40 kt diminishing to gales to 35 kt.
Chance of rain showers in the morning. Waves 8 to 11 ft
occasionally to 14 ft building to 8 to 12 ft occasionally to
16 ft, then subsiding to 7 to 10 ft occasionally to 13 ft.
.FRIDAY NIGHT...Northwest winds 15 to 25 kt. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft.
.SATURDAY...Northwest winds 10 to 20 kt backing to southwest
10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt increasing to 10 to
20 kt. Chance of rain showers. Waves 3 to 5 ft.
.SUNDAY...Southwest winds 10 to 20 kt veering to north. Waves
3 to 5 ft.
.MONDAY...East winds 10 to 15 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-111545-
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-
312 AM CDT Thu Apr 11 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

.TODAY...Northeast winds 10 to 20 kt increasing to 30 kt late
this morning, then becoming north early this afternoon increasing
to gales to 35 kt late. Chance of rain showers this morning, then
rain showers this afternoon. Waves 1 to 3 ft building to 6 to
9 ft occasionally to 12 ft.
.TONIGHT...North winds to 30 kt becoming northwest gales to
35 kt. Chance of rain showers in the evening, then rain showers
likely overnight. Waves 8 to 11 ft occasionally to 14 ft.
.FRIDAY...Northwest gales to 40 kt diminishing to gales to 35 kt.
Chance of rain showers in the morning. Waves 10 to 14 ft
occasionally to 18 ft.
.FRIDAY NIGHT...Northwest winds to 30 kt diminishing to 15 to
25 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to
7 ft occasionally to 9 ft.
.SATURDAY...West winds 10 to 20 kt backing to south. Waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt increasing to 15 to
25 kt. Chance of rain showers. Waves 3 to 5 ft.
.SUNDAY...Southwest winds 15 to 25 kt veering to northwest 10 to
20 kt. Waves 3 to 5 ft.
.MONDAY...East winds 10 to 15 kt increasing to 10 to 20 kt. Waves
1 to 3 ft.

$$

LMZ761-111545-
MAFOR 1110/
MICHIGAN NORTH...GALE WARNING IN EFFECT...12210 11120 11136 11836
11846 11746 11756. Waves 2 feet or less building to 2 to 4 feet
today. Waves 3 to 6 feet building to 5 to 8 feet tonight.

MICHIGAN SOUTH 11120 11136 11846 11856 11846 11740 12756. Waves 1
to 3 feet building to 5 to 9 feet today. Waves 6 to 10 feet
tonight.

$$


Wagner

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

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