592
WHUS73 KMKX 180728
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
228 AM CDT Sat Oct 18 2025

LMZ643>646-181530-
/O.CON.KMKX.SC.Y.0090.000000T0000Z-251018T1500Z/
/O.UPG.KMKX.GL.A.0020.251019T1200Z-251020T0300Z/
/O.NEW.KMKX.GL.W.0025.251019T1200Z-251020T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
228 AM CDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...
...GALE WARNING IN EFFECT FROM 7 AM TO 7 PM CDT SUNDAY...

* WHAT...For the Small Craft Advisory, waves of 4 to 6 feet. For
  the Gale Warning, northwest winds 20 to 30 kt with gusts up to
  35 kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 10 AM CDT this
  morning. For the Gale Warning, from 7 AM to 7 PM CDT Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-181530-
/O.UPG.KMKX.GL.A.0020.251019T1200Z-251020T0300Z/
/O.NEW.KMKX.GL.W.0025.251019T1200Z-251020T0300Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
228 AM CDT Sat Oct 18 2025

...GALE WARNING IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY...

* WHAT...Northwest winds 25 to 35 kt with gusts up to 40 kt and
  waves 10 to 15 ft expected.

* WHERE...Southern Open Waters of Lake Michigan.

* WHEN...From 7 AM to 10 PM CDT Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ261-362-364-366-563-565-567-868-181530-
/O.UPG.KMKX.GL.A.0020.251019T1200Z-251020T0300Z/
/O.NEW.KMKX.GL.W.0025.251019T1200Z-251020T0300Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
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 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
228 AM CDT Sat Oct 18 2025

...GALE WARNING IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and
  waves 5 to 8 ft expected.

* WHERE...Northern Open Waters of Lake Michigan.

* WHEN...From 7 AM to 10 PM CDT Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$