Great Lakes Forecast
Issued by NWS

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981
FZUS63 KMKX 141934
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
234 PM CDT Tue May 14 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...

Low pressure around 29.6 inches over southern IL will continue
to weaken overnight as it tracks along the Ohio River Valley.
Northerly winds up to 30 kt over Lake Michigan will diminish
overnight, but remain northerly into Wednesday evening.
Southerly winds will develop Thursday as a weak low pressure
trough around 29.6 inches tracks into western WI Thursday
afternoon. Scattered showers and thunderstorms are expected
along the trough. Winds will become variable behind the trough
passage Friday as high pressure around 29.8 inches builds over
the Upper Great Lakes. The pattern remains unsettled for the
weekend with chances for showers and thunderstorms, but no
periods of elevated winds are anticipated.

LMZ261-362-364-366-563-565-567-868-150315-
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-
234 PM CDT Tue May 14 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...North winds 15 to 25 kt becoming northeast 10 to
20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft.
.WEDNESDAY...Northeast winds 10 to 20 kt. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt diminishing to
10 to 15 kt late in the evening, then diminishing to 5 to 10 kt
after midnight and becoming east late. Waves 2 to 4 ft subsiding
to 1 to 2 ft.
.THURSDAY...Southeast winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 3 ft.
.THURSDAY NIGHT...Southeast winds 10 to 15 kt becoming south 5 to
10 kt. Chance of showers. Waves 1 to 3 ft.
.FRIDAY...South winds 10 to 15 kt. Chance of showers. Waves 1 to
2 ft.
.FRIDAY NIGHT...Southeast winds 10 to 15 kt becoming east 5 to
10 kt. Waves 1 to 2 ft.
.SATURDAY...East winds 10 to 15 kt becoming south. Waves 1 to
2 ft.
.SUNDAY...Southwest winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-150315-
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-
234 PM CDT Tue May 14 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...North winds to 30 kt becoming northeast 10 to 20 kt.
Isolated rain showers this evening. Waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft.
.WEDNESDAY...Northeast winds 10 to 20 kt becoming north. Waves
2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt becoming northeast
10 to 15 kt, then becoming east late. Waves 2 to 4 ft subsiding
to 1 to 3 ft.
.THURSDAY...Southeast winds 10 to 15 kt. Waves 1 to 2 ft.
.THURSDAY NIGHT...Southeast winds 10 to 15 kt becoming south 5 to
10 kt. Chance of showers. Waves 1 to 2 ft.
.FRIDAY...South winds 10 to 15 kt. Chance of showers. Waves 1 to
2 ft.
.FRIDAY NIGHT...Southeast winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.SATURDAY...East winds 10 to 15 kt becoming northeast. Waves 1 to
2 ft.
.SUNDAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ761-150315-
MAFOR 1422/
MICHIGAN NORTH 11840 11830 11130 12120 11110 11120 11130. Waves 3
to 6 feet subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet
Wednesday.

MICHIGAN SOUTH 11840 12130 12120 13820. Waves 3 to 6 feet
subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet building to 2
to 4 feet Wednesday.

$$


Cronce

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

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