Great Lakes Forecast
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672
FZUS63 KMKX 200208
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
908 PM CDT Sun May 19 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...

Light and variable winds continue this evening as high pressure
around 30.0 inches moves northeast across lake Michigan. Winds
will predominately be southeasterly by Monday morning and shift
more southerly Monday afternoon as a weak area of low pressure
around 29.7 inches tracks over WI and Lake Michigan through the
afternoon and early evening. Expect to see more west to
southwesterly component of the winds briefly overnight Monday.
Winds will turn more south to southeasterly and increase for
Tuesday as a deepening low pressure around 29.4 inches approaches
the Upper Great Lakes Region and tracks northeast into Wednesday.
There looks to be periods of thunderstorms over the lake,
especially southern Portions Monday through Wednesday morning.

LMZ261-362-364-366-563-565-567-868-200945-
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-
908 PM CDT Sun May 19 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...South winds 5 to 10 kt becoming southeast.
Waves 1 to 2 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt.
Chance of showers and slight chance of thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon. Waves 2 to 4 ft.
.MONDAY NIGHT...South winds 10 to 20 kt becoming southwest 10 to
15 kt late in the evening, then becoming west after midnight
diminishing to 5 to 10 kt late. Showers likely with a chance of
thunderstorms in the evening, then chance of showers and
thunderstorms overnight. Waves 2 to 4 ft.
.TUESDAY...Northeast winds 10 to 15 kt becoming east 10 to 20 kt.
Chance of showers and thunderstorms. Waves 1 to 2 ft.
.TUESDAY NIGHT...Southeast winds 15 to 25 kt becoming south to
30 kt. Chance of showers and thunderstorms in the evening, then
showers and thunderstorms overnight. Waves 4 to 6 ft occasionally
to 8 ft building to 7 to 10 ft occasionally to 13 ft.
.WEDNESDAY...Southwest winds to 30 kt. Chance of showers. Waves
7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft
occasionally to 12 ft.
.WEDNESDAY NIGHT...Southwest winds to 30 kt becoming west. Waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.THURSDAY...West winds to 30 kt becoming southwest 15 to 25 kt.
Waves 3 to 5 ft.
.FRIDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-200945-
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-
908 PM CDT Sun May 19 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...North winds 10 to 15 kt veering to southeast.
Waves 1 to 2 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon. Waves 2 to
4 ft.
.MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.TUESDAY...South winds 10 to 15 kt becoming southeast 10 to
20 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.
.TUESDAY NIGHT...South winds to 30 kt. Showers and thunderstorms
likely. Waves 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY...Southwest 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.
.WEDNESDAY NIGHT...West winds 10 to 20 kt. Waves 4 to 6 ft
occasionally to 8 ft.
.THURSDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.
.FRIDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ761-200945-
MAFOR 2004/
MICHIGAN NORTH 11300 13310 11326 11320 11426 11516. A chance of
thunderstorms Monday afternoon and Monday evening. Waves 1 foot
or less overnight. Waves 1 to 3 feet Monday and Monday evening.

MICHIGAN SOUTH 11200 13310 11320 11420 11426 11410. A chance of
thunderstorms Monday afternoon and Monday evening. Waves 2 feet
or less overnight. Waves 1 to 3 feet Monday and Monday evening.

$$


Wagner

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

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