Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS63 KMKX 220136
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
836 PM CDT Sun Apr 21 2019

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 of 29.6 inches will slowly, but steadily move from
south central Nebraska to southeastern Ontario tonight into
Tuesday. Southerly winds will linger and remain gusty at times
tonight into Monday, with the gusty winds becoming northwest later
Monday night after a cold front moves through the region. These
winds should weaken Tuesday night into Wednesday, with weak high
pressure of 30.1 inches moving from the central Plains into
Wisconsin.

LMZ261-362-364-366-563-565-567-868-220930-
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-
836 PM CDT Sun Apr 21 2019

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Southeast winds 10 to 20 kt becoming south.
Waves 2 to 4 ft.
.MONDAY...South winds 10 to 20 kt becoming southeast 15 to 25 kt.
Chance of rain showers. Waves 3 to 5 ft.
.MONDAY NIGHT...East winds 10 to 20 kt backing to northwest 15 to
25 kt. Rain showers with a chance of thunderstorms in the
evening, then rain showers overnight. Waves 4 to 6 ft
occasionally to 8 ft.
.TUESDAY...Northwest winds to 30 kt becoming north 15 to 25 kt.
Chance of rain showers. Waves 4 to 7 ft occasionally to 9 ft.
.TUESDAY NIGHT...North winds 15 to 25 kt becoming northwest 10 to
15 kt overnight. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.WEDNESDAY...West winds 10 to 15 kt becoming southwest 10 to
20 kt. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...South winds 10 to 20 kt becoming southwest.
Waves 2 to 4 ft.
.THURSDAY...Southwest winds 10 to 20 kt becoming west 10 to
15 kt. Waves 2 to 4 ft.
.FRIDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-220930-
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-
836 PM CDT Sun Apr 21 2019

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...South winds 10 to 20 kt. Waves 2 to 4 ft.
.MONDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of rain showers in the afternoon. Waves 3 to 5 ft.
.MONDAY NIGHT...South winds 10 to 20 kt veering to west 15 to
25 kt. Chance of rain showers and thunderstorms. Waves 4 to 6 ft
occasionally to 8 ft.
.TUESDAY...Northwest winds 15 to 25 kt becoming north. Waves 4 to
7 ft occasionally to 9 ft.
.TUESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt backing to south 10 to
20 kt in the afternoon. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...South winds 10 to 20 kt. Waves 1 to 2 ft.
.THURSDAY...Southwest winds 10 to 20 kt becoming south. Waves
1 to 3 ft.
.FRIDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 1 to 3 ft.

$$

LMZ761-220930-
MAFOR 2203/
MICHIGAN NORTH 12330 12420 12330 11230 11226. Chance of rain
showers Monday. Chance of thunderstorms Monday evening. Waves 2
to 4 ft overnight. Waves 2 to 4 ft building to 3 to 5 ft Monday.
Waves 3 to 5 ft Monday evening.

MICHIGAN SOUTH 12430 13420 12430 11426. Chance of showers Monday
afternoon. Chance of thunderstorms Monday evening. Waves 2 to 4
ft overnight. Waves 2 to 4 ft building to 3 to 5 ft Monday. Waves
3 to 5 ft building to 4 to 6 ft occasionally to 8 ft Monday
evening.

$$


Davis

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.