Great Lakes Forecast
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261
FZUS63 KMKX 011957
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
257 PM CDT Mon Jul 1 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...

With high pressure around 30.3 inches lingering over Lake Michigan,
winds will be light and variable for the rest of today,
predominantly westerly over the northern edge and easterly over
the southern edge. High pressure will continue moving east,
exiting the western Great Lakes Region tonight. Winds will become
southeasterly and increase tonight as low pressure around 29.4
inches moves northeast from Saskatchewan toward James Bay. Winds
will remain south to southeasterly until Tuesday night when a cold
front crosses the lake. Rain and thunderstorms are expected with
the frontal passage. Southwest to west winds are expected behind
the front. Weak high pressure returns to the region Wednesday
night into Thursday bringing a return of light and variable winds.

LMZ261-362-364-366-563-565-567-868-020315-
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-
257 PM CDT Mon Jul 1 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...South winds 5 to 10 kt increasing to 15 to 25 kt.
Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...South winds 15 to 25 kt increasing to 30 kt. Chance of
showers in the morning, then chance of showers and slight chance
of thunderstorms in the afternoon. Waves 3 to 5 ft building to
4 to 7 ft occasionally to 9 ft.
.TUESDAY NIGHT...South winds to 30 kt diminishing to 15 to 25 kt.
Showers. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt. Chance of showers in
the morning. Waves 3 to 5 ft.
.WEDNESDAY NIGHT...Southwest winds 10 to 20 kt becoming west
10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY...West winds 5 to 10 kt becoming south 10 to 15 kt.
Waves 1 to 2 ft.
.THURSDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to
15 kt. Chance of showers. Waves 1 ft or less.
.FRIDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt.
Showers likely. Waves 1 to 3 ft.
.SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-020315-
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-
257 PM CDT Mon Jul 1 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

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

$$

LMZ761-020315-
MAFOR 0122/
MICHIGAN NORTH 11400 11300 11310 12430 13440. A chance of showers
Tuesday. Waves 1 foot or less building to 1 to 3 feet tonight.
Waves 3 to 6 feet building to 4 to 7 feet Tuesday.

MICHIGAN SOUTH 12210 11320 12330 11430 12440. A chance of showers
Tuesday afternoon. Waves 2 feet or less building to 2 to 4 feet
tonight. Waves 3 to 6 feet Tuesday.

$$


Sheppard

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

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