Expires:202507151530;;470510
FZUS63 KMKX 150808
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
308 AM CDT Tue Jul 15 2025

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... 

Southerly winds continue to increase today into Wednesday as 
high pressure over the northern Ohio River Valley slides east to 
the Mid Atlantic States. Then looking at broad low pressure around
29.7 inches and a cold front to track across southern WI and lower
half of Lake Michigan Wednesday through Wednesday night. Will see
showers and thunderstorms accompany this low pressure as it 
pushes through the region. Cold front looks to push southeast of
Lake Michigan later Wednesday turning winds to the north behind
it. Northerly winds will persist into Thursday, but should
gradually weaken and turn more easterly Thursday night into Friday
as high pressure around 30.2 inches builds across the Upper Great
Lakes.


LMZ261-362-364-366-563-565-567-868-151530-
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-
308 AM CDT Tue Jul 15 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...South winds 10 to 20 kt. Waves 2 to 4 ft. 
.TONIGHT...South winds 10 to 20 kt becoming southwest 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft. 
.WEDNESDAY...Southwest winds 5 to 10 kt veering to north 10 to
15 kt. Chance of showers in the afternoon. Waves 1 to 2 ft. 
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming north
10 to 20 kt. Chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
Waves 1 to 3 ft. 
.THURSDAY...North winds 15 to 25 kt increasing to 30 kt. Waves
3 to 5 ft. 
.THURSDAY NIGHT...North winds 15 to 25 kt becoming northeast
10 to 20 kt. Waves 3 to 5 ft. 
.FRIDAY...East winds 10 to 15 kt becoming north. Waves 1 to 3 ft.
.SATURDAY...South winds 10 to 15 kt. Chance of showers. Waves
1 to 2 ft.  

$$