621
FZUS63 KMKX 061948
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
248 PM CDT Mon May 6 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...

East to northeast winds will continue across Lake Michigan this
afternoon and overnight into Tuesday as high pressure of 30.1
inches continues to influence the Great Lakes region. Winds will
begin to accelerate and take on a southerly component by Tuesday
morning, mainly over the southern half of the lake as low pressure
of 29.0 inches across the Great Plains propagates northeastward
towards the Great Lakes. Showers and thunderstorms will accompany
the low Tuesday morning and is expected to impact the open waters
by the afternoon.

Winds will turn southwesterly Tuesday night as the low pressure
moves eastward before becoming northeasterly Wednesday afternoon
as another area of low pressure of 29.5 inches propagates towards
the Great Lakes region. Additional showers and thunderstorms are
possible Wednesday afternoon into Thursday, mainly across the
southern half of the lake as the second area of low pressure moves
eastward, south of Lake Michigan. High pressure then builds in
briefly on Friday before another low propagates eastward across
southern Ontario this weekend.

LMZ261-362-364-366-563-565-567-868-070330-
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-
248 PM CDT Mon May 6 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...Northeast winds 10 to 15 kt becoming southeast 10 to
20 kt. Waves 1 to 3 ft.
.TUESDAY...East winds 15 to 25 kt diminishing to 10 to 20 kt.
Rain showers and slight chance of thunderstorms in the afternoon.
Waves 3 to 5 ft.
.TUESDAY NIGHT...East winds 10 to 20 kt veering to southwest
10 to 15 kt. Chance of rain showers. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.WEDNESDAY...West winds 10 to 15 kt becoming northwest 10 to
20 kt. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt becoming northeast.
Chance of rain showers overnight. Waves 1 to 3 ft building to
3 to 5 ft.
.THURSDAY...Northeast winds 15 to 25 kt becoming north to 30 kt.
Chance of rain showers in the morning. Waves 4 to 6 ft
occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft.
.THURSDAY NIGHT...North winds to 30 kt diminishing to 15 to
25 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.FRIDAY...North winds 10 to 20 kt becoming west. Waves 2 to 4 ft.
.SATURDAY...West winds 10 to 20 kt becoming northwest. Waves 1 to
3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-070330-
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-
248 PM CDT Mon May 6 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...Northeast winds 10 to 15 kt becoming east late this
evening, then becoming southeast 10 to 20 kt after midnight
increasing to 15 to 25 kt late. Waves 2 to 4 ft.
.TUESDAY...Southeast winds 15 to 25 kt diminishing to 10 to
20 kt. Chance of showers and slight chance of thunderstorms in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. Waves 3 to 5 ft building to 4 to 6 ft
occasionally to 8 ft.
.TUESDAY NIGHT...South winds 10 to 15 kt becoming southwest.
Chance of rain showers and thunderstorms in the evening. Waves
2 to 4 ft subsiding to 1 to 3 ft.
.WEDNESDAY...Southwest winds 10 to 15 kt backing to southeast.
Waves 1 to 3 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt. Showers likely.
Waves 1 to 3 ft building to 3 to 5 ft.
.THURSDAY...Northeast winds to 30 kt becoming north. Showers
likely in the morning, then chance of showers in the afternoon.
Waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft
occasionally to 12 ft.
.THURSDAY NIGHT...North winds to 30 kt diminishing to 15 to
25 kt. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
7 ft occasionally to 9 ft.
.FRIDAY...Northwest winds 10 to 20 kt. Waves 4 to 6 ft
occasionally to 8 ft.
.SATURDAY...West winds 10 to 20 kt becoming northwest. Chance of
showers. Waves 1 to 3 ft.

$$

LMZ761-070330-
MAFOR 0622/
MICHIGAN NORTH 11110 11210 11220 11320 11330 12230 11236. Waves 1
to 3 feet tonight. Waves 2 to 4 feet Tuesday.

MICHIGAN SOUTH 11110 11210 11220 11320 12330 12336. A chance of
thunderstorms Tuesday afternoon. Waves 1 to 3 feet tonight. Waves
2 to 4 feet building to 3 to 5 feet Tuesday.

$$


Falkinham

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

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