951
WHUS73 KMKX 091557
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
957 AM CST Tue Dec 9 2025

LMZ643-644-100000-
/O.CON.KMKX.SC.Y.0108.000000T0000Z-251209T1800Z/
/O.CON.KMKX.SC.Y.0109.251210T0000Z-251210T1200Z/
/O.CON.KMKX.GL.W.0036.251210T1200Z-251210T1800Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
957 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON CST
WEDNESDAY...

* WHAT...For the first Small Craft Advisory, southwest winds 15
  to 25 kt with gusts up to 30 kt and waves 4 to 6 ft. For the
  second Small Craft Advisory, southwest winds 10 to 20 kt with
  gusts up to 30 kt expected. For the Gale Warning, northwest
  winds 25 to 30 kt with gusts up to 35 kt and waves 4 to 7 ft
  expected.

* WHERE...Nearshore Waters from Sheboygan to North Point
  Lighthouse.

* WHEN...For the first Small Craft Advisory, until noon CST
  today. For the second Small Craft Advisory, from 6 PM this
  evening to 6 AM CST Wednesday. For the Gale Warning, from 6 AM
  to noon CST Wednesday.

* 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.

&&

$$

LMZ080-673-675-777-779-874-876-878-100000-
/O.CON.KMKX.GL.W.0036.251210T0300Z-251211T0000Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
957 AM CST Tue Dec 9 2025

...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
CST WEDNESDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves
  9 to 14 ft expected.

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

* WHEN...From 9 PM this evening to 6 PM CST Wednesday.

* 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.

&&

$$

LMZ366-565-567-669-671-868-870-872-100000-
/O.CON.KMKX.GL.W.0036.251210T1100Z-251211T0000Z/
Lake Michigan from Point Betsie to Manistee MI 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 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 Pentwater to Manistee MI 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-
957 AM CST Tue Dec 9 2025

...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 6 PM CST
WEDNESDAY...

* WHAT...For the first Gale Warning, south winds 20 to 25 kt
  with gusts up to 35 kt and waves 9 to 11 ft. For the second
  Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt
  and waves 7 to 10 ft expected.

* WHERE...Lake Michigan from Point Betsie to Manistee MI 5NM
  offshore to Mid Lake and Lake Michigan from Sturgeon Bay to
  Two Rivers WI 5NM offshore to Mid Lake.

* WHEN...For the first Gale Warning, until 6 AM CST early this
  morning. For the second Gale Warning, from 5 AM to 6 PM CST
  Wednesday.

* 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.

&&

$$

LMZ645-646-100000-
/O.CON.KMKX.SC.Y.0108.000000T0000Z-251209T1800Z/
/O.CON.KMKX.SC.Y.0109.251210T0000Z-251211T0300Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
957 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 PM CST WEDNESDAY...

* WHAT...For the first Small Craft Advisory, southwest winds 15
  to 20 kt with gusts up to 30 kt. For the second Small Craft
  Advisory, west winds 20 to 30 kt with gusts up to 35 kt and
  waves 5 to 8 ft expected.

* WHERE...Nearshore Waters from North Point Lighthouse to
  Winthrop Harbor IL.

* WHEN...For the first Small Craft Advisory, until noon CST
  today. For the second Small Craft Advisory, from 6 PM this
  evening to 9 PM CST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$