253
FZUS63 KMKX 171949
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
249 PM CDT Fri May 17 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 29.8 inches will remain over Lake Michigan through
Saturday. Areas of marine dense fog across the southern half of
the lake will likely linger into tonight. Fog may also redevelop
across the remainder of the lake tonight.

A weak low pressure trough around 29.8 inches will cross Lake
Michigan Saturday night bringing a chance for showers, then high
pressure will strengthen to 30.0 inches overhead on Sunday. Weak
low pressure will bring chances for showers and thunderstorms
Monday and Tuesday, then a stronger low pressure of 29.3 inches
will cross Lake Superior Tuesday night into Wednesday and bring
additional storm chances. South winds will be around 20 knots
Monday and Tuesday night as the lows approach.

LMZ261-362-364-366-563-565-180330-
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-
249 PM CDT Fri May 17 2024

TWO RIVERS WI TO MANISTEE MI NORTH...

.TONIGHT...Southeast winds 5 to 10 kt becoming south. Patchy fog.
Waves 1 ft or less.
.SATURDAY...Southeast winds 5 to 10 kt becoming south 10 to
20 kt. Patchy fog in the morning. Waves 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt veering to west. Chance
of thunderstorms overnight. Waves 1 to 3 ft.
.SUNDAY...Northwest winds 10 to 15 kt becoming west. Waves 1 to
3 ft.
.SUNDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 ft or less.
.MONDAY...South winds 10 to 20 kt. Chance of showers. Waves 2 to
4 ft.
.MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Showers likely with a chance of thunderstorms. Waves 2 to
4 ft.
.TUESDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers and thunderstorms. Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt. Chance of showers.
Waves 3 to 5 ft.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-180330-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 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 Pentwater to Manistee MI 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-
249 PM CDT Fri May 17 2024

TWO RIVERS WI TO MANISTEE MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY...

.TONIGHT...Northeast winds 5 to 10 kt veering to south. Patchy
dense fog. Waves 1 ft or less.
.SATURDAY...Southeast winds 5 to 10 kt increasing to 10 to 20 kt.
Patchy fog in the morning. Waves 1 to 3 ft.
.SATURDAY NIGHT...Southeast winds 10 to 20 kt becoming southwest
10 to 15 kt. Waves 1 to 3 ft.
.SUNDAY...Northwest winds 10 to 15 kt becoming north. Waves 1 to
2 ft.
.SUNDAY NIGHT...Northeast winds 5 to 10 kt veering to southeast
10 to 15 kt. Waves 1 to 2 ft.
.MONDAY...South winds 10 to 20 kt. Chance of showers in the
afternoon. Waves 2 to 4 ft.
.MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Showers likely with a chance of thunderstorms. Waves 2 to
4 ft.
.TUESDAY...South winds 10 to 20 kt. Showers likely. Waves 2 to
4 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt diminishing to 10 to
20 kt. Chance of showers. Waves 3 to 5 ft.

$$

LMZ761-180330-
MAFOR 1722/
MICHIGAN NORTH 11203 11300 12400 11300 13410. Waves 2 feet or
less.

MICHIGAN SOUTH 11104 11200 19204 11300 19304 11400 19404 12300
12410. Waves 2 feet or less.

$$


Marquardt

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

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