456
FZUS63 KMKX 211353
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
853 AM CDT Fri Jun 21 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...

Expect light northerly winds over Lake Michigan today as high
pressure weakens over Lake Superior. Light northeast winds this
evening will then shift to modest southerly over the southern half
of the lake as a warm front moves northward. The warm front and
southerly winds will then extend into the northern portion of the
lake for Saturday followed by low pressure around 29.7 inches
tracking east across central Lake Michigan early Saturday evening.
A cold front will quickly follow with modest northwest winds over
the entire lake for Sunday. Rounds of thunderstorms are expected
across the lake at times from this afternoon into Saturday night.

LMZ261-362-364-366-563-565-567-868-212115-
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-
853 AM CDT Fri Jun 21 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...North winds 5 to 10 kt. Slight chance of showers
through mid morning, then chance of showers this afternoon. Waves
1 ft or less.
.TONIGHT...Northeast winds 5 to 10 kt becoming east. Patchy fog.
Chance of showers and thunderstorms in the evening, then showers
likely with a chance of thunderstorms overnight. Waves 1 ft or
less.
.SATURDAY...Southeast winds 10 to 15 kt becoming south 10 to
20 kt. Patchy fog in the morning. Showers with a chance of
thunderstorms. Waves 2 to 4 ft.
.SATURDAY NIGHT...West winds 10 to 20 kt becoming northwest.
Showers with a chance of thunderstorms in the evening. Waves 2 to
4 ft.
.SUNDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.MONDAY...Northwest winds 10 to 15 kt backing to southwest. Waves
1 to 2 ft.
.TUESDAY...South winds 15 to 25 kt becoming southwest. Chance of
showers and thunderstorms. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-212115-
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-
853 AM CDT Fri Jun 21 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...North winds 5 to 10 kt becoming northeast.
Slight chance of showers and thunderstorms. Waves 1 to 2 ft.
.TONIGHT...Northeast winds 5 to 10 kt veering to south. Slight
chance of showers and thunderstorms. Waves 1 to 2 ft.
.SATURDAY...South winds 10 to 20 kt becoming southwest. Chance of
showers and thunderstorms in the morning, then showers with a
chance of thunderstorms in the afternoon. Waves 2 to 4 ft.
.SATURDAY NIGHT...Southwest winds 10 to 20 kt becoming west.
Showers with a chance of thunderstorms in the evening, then
chance of showers and thunderstorms overnight. Waves 2 to 4 ft.
.SUNDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
.SUNDAY NIGHT...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.MONDAY...Northwest winds 10 to 15 kt backing to south. Waves
1 to 3 ft.
.TUESDAY...South winds 10 to 20 kt becoming southwest. Chance of
showers and thunderstorms. Waves 2 to 4 ft.

$$

LMZ761-212115-
MAFOR 2116/
MICHIGAN NORTH 12800 12100 11200 11206 11316 11416. A chance of
thunderstorms tonight and Saturday morning. Waves 2 feet or less.

MICHIGAN SOUTH 11800 12100 11200 11300 12410 11420. A chance of
showers and thunderstorms Saturday morning. Waves 1 foot or less
this afternoon and tonight. Waves 1 to 3 feet Saturday morning.

$$


Wagner

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

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