622
FZUS63 KMKX 160214
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
914 PM CDT Thu Aug 15 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...

No major changes to the forecast since the previous discussion.

Low pressure around 29.7 inches over northwest Minnesota will
slowly move across northern WI Friday afternoon and to Lake Huron
by late Saturday. Breezy south winds will continue tonight and will
weaken for Friday, then becoming westerly Friday night for the
south half and northerly for the north half. The winds will then
transition to breezy north to northwest winds for the weekend. The
winds will gradually weaken early next week as high pressure
arrives over the lake by Tuesday.

LMZ261-362-364-366-563-565-567-868-160330-
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-
914 PM CDT Thu Aug 15 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Southeast winds 10 to 20 kt becoming south to 30 kt.
Chance of showers this afternoon. Waves 2 to 4 ft building to
5 to 8 ft occasionally to 10 ft.
.TONIGHT...South winds to 30 kt. Chance of showers and slight
chance of thunderstorms in the evening, then chance of showers
and thunderstorms overnight. Patchy fog overnight. Waves 6 to
9 ft occasionally to 12 ft.
.FRIDAY...South winds 15 to 25 kt diminishing to 10 to 15 kt.
Patchy fog in the morning. Chance of showers and thunderstorms.
Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.FRIDAY NIGHT...Southwest winds 10 to 15 kt veering to north.
Showers likely with a chance of thunderstorms in the evening,
then chance of showers and thunderstorms overnight. Waves 1 to
3 ft.
.SATURDAY...North winds 10 to 20 kt. Chance of showers and
thunderstorms in the morning, then chance of showers in the
afternoon. Waves 1 to 3 ft.
.SATURDAY NIGHT...North winds 10 to 20 kt. Waves 3 to 5 ft.
.SUNDAY...North winds 15 to 25 kt increasing to 30 kt. Waves 4 to
6 ft occasionally to 8 ft.
.MONDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-160330-
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-
914 PM CDT Thu Aug 15 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...South winds to 30 kt becoming southeast. Scattered
showers this morning, then showers likely with slight chance of
thunderstorms this afternoon. Waves 2 to 4 ft building to 5 to
8 ft occasionally to 10 ft.
.TONIGHT...Southeast winds to 30 kt becoming south 15 to 25 kt.
Chance of showers and slight chance of thunderstorms in the
evening, then chance of showers and thunderstorms overnight.
Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.FRIDAY...South winds 10 to 20 kt diminishing to 10 to 15 kt.
Patchy fog in the morning. Chance of showers and thunderstorms in
the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.FRIDAY NIGHT...Southwest winds 10 to 20 kt becoming west.
Showers likely with a chance of thunderstorms in the evening,
then chance of showers and thunderstorms overnight. Waves 2 to
4 ft.
.SATURDAY...Northwest winds 10 to 20 kt. Chance of showers. Waves
2 to 4 ft.
.SATURDAY NIGHT...Northwest winds 10 to 20 kt becoming north.
Waves 3 to 5 ft.
.SUNDAY...North winds 15 to 25 kt increasing to 30 kt. Waves 5 to
8 ft occasionally to 10 ft.
.MONDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ761-160330-
MAFOR 1510/
MICHIGAN NORTH 11320 11330 11330 19336 13446 12340. A chance of
thunderstorms overnight. Waves 1 to 3 feet building to 4 to 7
feet today. Waves 5 to 8 feet tonight.

MICHIGAN SOUTH 11320 11440 19446 13346 11340 11440 11430. A
chance of thunderstorms overnight. Waves 1 to 2 feet building to
4 to 7 feet today. Waves 5 to 8 feet subsiding to 3 to 6 feet
tonight.

$$


CMiller

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

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