205
FZUS63 KMKX 051909
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
209 PM CDT Tue May 5 2026

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...

High pressure around 29.9 inches continues to slide southward
into the central Plains today, bringing light and variable winds
to Lake Michigan throughout today and Wednesday. Thursday, weak
low pressure around 29.7 inches slides southeastward through
Wisconsin, bringing southerly breezes to the Lake. South-
southwest winds continue through the end of the week as high
pressure remains across the central Plains and multiple weak low
pressure systems move eastward through northern Canada. A cold
front will turn winds northwesterly Saturday night into Sunday
as strong high pressure builds into the western Great Lakes
region.

LMZ261-362-364-366-563-565-567-868-060315-
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-
209 PM CDT Tue May 5 2026

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...West winds 10 to 20 kt becoming north 10 to 15 kt late
this evening, then becoming northeast after midnight becoming
northwest 5 to 10 kt late. Waves 1 to 3 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt backing to southwest
10 to 15 kt. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 kt becoming west 5 to
10 kt. Waves 1 to 2 ft.
.THURSDAY...Southwest winds 10 to 15 kt. Waves 1 to 2 ft.
.THURSDAY NIGHT...South winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.FRIDAY...Southwest winds 10 to 15 kt becoming south. Waves 1 to
3 ft.
.FRIDAY NIGHT...South winds 10 to 15 kt becoming southwest. Waves
1 to 3 ft.
.SATURDAY...Southwest winds 10 to 20 kt. Waves 1 to 2 ft.
.SUNDAY...Northwest winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-060315-
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-
209 PM CDT Tue May 5 2026

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...South winds 10 to 15 kt veering to northwest 5 to
10 kt. Waves 1 to 2 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt veering to east 10 to
15 kt. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...South winds 5 to 10 kt veering to west. Waves
1 to 2 ft.
.THURSDAY...West winds 5 to 10 kt becoming southwest 10 to 15 kt.
Waves 1 to 2 ft.
.THURSDAY NIGHT...South winds 10 to 15 kt becoming southwest.
Waves 1 to 3 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming south. Waves 1 to
3 ft.
.FRIDAY NIGHT...Southwest winds 10 to 15 kt. Waves 1 to 3 ft.
.SATURDAY...Southwest winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of rain showers. Waves 1 to 3 ft.

$$

LMZ761-060315-
MAFOR 0522/
MICHIGAN NORTH 11620 11710 11110 11800 11700 11710 11610 11510.
Waves 1 to 3 feet tonight. Waves 2 feet or less Wednesday.

MICHIGAN SOUTH 12410 11600 13700 11810 11110. Waves 2 feet or
less.

$$


Quigley

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

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