162
FZUS63 KMKX 040756
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
256 AM CDT Thu Jul 4 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...

Weak high pressure around 29.9 inches over IL this morning will
continue to slide eastward. Winds will remain lighter and vary
from the west-southwest to the east through the afternoon. Will
see winds begin to pick up into this evening across Lake Michigan
as as low pressure coming in from the Central Plains deepens to
around 29.5 inches over WI tonight. This low pressure will
gradually track eastward across the middle of Lake Michigan into
Friday with south-southwesterly winds over the southern half
while winds across the northern half will be more north-
northeast. These winds will remain fairly breezy with gusts to
20-25 knots. The low will continue to track into eastern
Ontario/Quebec for Saturday bringing breezy northwesterly winds
across Lake Michigan for Saturday before turn back to the south
as an area of high pressure around 30.0 inches slides up the Ohio
River Valley into Sunday.

LMZ261-362-364-366-563-565-567-868-041530-
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-
256 AM CDT Thu Jul 4 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...West winds 5 to 10 kt backing to southeast. Waves 1 to
2 ft.
.TONIGHT...East winds 5 to 10 kt increasing to 10 to 15 kt.
Slight chance of showers in the evening, then chance of showers
and thunderstorms overnight. Waves 1 to 2 ft.
.FRIDAY...East winds 10 to 20 kt increasing to 15 to 25 kt.
Showers likely with a chance of thunderstorms. Waves 2 to 4 ft.
.FRIDAY NIGHT...North winds 10 to 20 kt becoming northwest.
Chance of showers and thunderstorms in the evening. Waves 2 to
4 ft.
.SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 2 to
4 ft.
.SATURDAY NIGHT...Southwest winds 10 to 20 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.SUNDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.
.MONDAY...South winds 10 to 20 kt. Chance of showers. Waves 1 to
2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-041530-
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-
256 AM CDT Thu Jul 4 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Northwest winds 5 to 10 kt veering to east. Waves 1 to
2 ft.
.TONIGHT...East winds 5 to 10 kt becoming southeast 10 to 15 kt.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms overnight. Waves 1 to 2 ft.
.FRIDAY...South winds 10 to 20 kt becoming southwest 15 to 25 kt.
Chance of showers and thunderstorms in the morning, then chance
of showers in the afternoon. Waves 2 to 4 ft.
.FRIDAY NIGHT...West winds 10 to 20 kt becoming northwest. Waves
3 to 5 ft.
.SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 3 to
5 ft.
.SATURDAY NIGHT...Southwest winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.SUNDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.
.MONDAY...South winds 10 to 15 kt. Chance of showers and
thunderstorms. Waves 1 to 2 ft.

$$

LMZ761-041530-
MAFOR 0410/
MICHIGAN NORTH 12600 11500 11400 12200 12210. A chance of showers
and thunderstorms overnight. Waves 2 feet or less.

MICHIGAN SOUTH 12600 11500 14200 11310. A chance of showers and
thunderstorms overnight. Waves 2 feet or less.

$$


Wagner

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

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