Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

000
FZUS63 KMKX 211339
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
839 AM CDT Thu Mar 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...

High pressure of 30.4 inches will move over Lake Michigan today,
with light northerly winds eventually becoming east to southeast.
East to southeast winds will then pick up on Friday, as low
pressure of 29.8 inches passes by to the south. Breezy northerly
winds Saturday will become easterly again on Sunday. Winds may
reach gale force at times Monday and Tuesday as a stronger low
pressure system moves through the region.

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-
839 AM CDT Thu Mar 21 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northwest winds 10 to 15 kt becoming west. Waves
1 to 3 ft.
.TONIGHT...Southeast winds 5 to 10 kt increasing to 10 to 15 kt.
Snow overnight. Waves 1 to 2 ft.
.FRIDAY...Southeast winds 10 to 20 kt becoming east 10 to 15 kt.
Snow in the morning, then chance of snow in the afternoon. Waves
1 to 3 ft building to 3 to 5 ft.
.FRIDAY NIGHT...North winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 3 ft building to 3 to 5 ft.
.SATURDAY...North winds 10 to 20 kt. Waves 3 to 5 ft.
.SATURDAY NIGHT...Northeast winds 10 to 15 kt becoming southeast.
Waves 1 to 3 ft subsiding to 1 to 2 ft.
.SUNDAY...Southeast winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 2 to 4 ft building to 3 to 5 ft.
.MONDAY...East gales to 35 kt becoming southeast. Chance of rain
and snow. Waves 6 to 9 ft occasionally to 12 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-
839 AM CDT Thu Mar 21 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...North winds 5 to 10 kt becoming northeast. Waves
1 to 3 ft subsiding to 1 to 2 ft.
.TONIGHT...East winds 10 to 15 kt increasing to 10 to 20 kt. Snow
overnight. Waves 1 to 3 ft.
.FRIDAY...Southeast winds 10 to 20 kt becoming east. Snow in the
morning, then snow and rain in the afternoon. Waves 2 to 4 ft
building to 3 to 5 ft.
.FRIDAY NIGHT...North winds 10 to 20 kt. Waves 3 to 5 ft.
.SATURDAY...North winds 10 to 20 kt. Waves 4 to 7 ft occasionally
to 9 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming east 10 to
15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft.
.SUNDAY...Southeast winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.MONDAY...Southeast gales to 35 kt. Chance of rain and snow.
Waves 6 to 9 ft occasionally to 12 ft.

$$

LMZ761-212115-
MAFOR 2116/
MICHIGAN NORTH 11710 11610 11410 12310 12317 11327. Waves 2 feet
or less this afternoon and tonight. Waves 1 to 3 feet Friday
morning.

MICHIGAN SOUTH 11800 11100 11200 11210 11220 11327 11227 11327.
Waves 2 feet or less this afternoon. Waves 1 to 3 feet tonight.
Waves 2 to 4 feet Friday morning.

$$


Boxell

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

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


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.