Marine Weather Message
Issued by NWS Green Bay, WI

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713
WHUS73 KGRB 100859
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
259 AM CST Wed Dec 10 2025

LMZ542-543-101800-
/O.CON.KGRB.GL.W.0019.000000T0000Z-251210T1800Z/
/O.EXB.KGRB.SC.Y.0095.251210T1800Z-251211T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
259 AM CST Wed Dec 10 2025

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

* WHAT...For the Gale Warning this morning, north winds 20 to 30
  kt with gusts up to 35 kt and waves 5 to 8 ft. For the Small
  Craft Advisory this afternoon into early this evening,
  northwest winds 15 to 25 kt with gusts up to 30 kt and waves 3
  to 6 ft expected.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to
  Sheboygan.

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

* 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 hazardous conditions.

&&

$$

LMZ521-522-101800-
/O.CON.KGRB.SC.Y.0095.000000T0000Z-251211T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
259 AM CST Wed Dec 10 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
  waves 2 to 5 ft.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...Until 6 PM CST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ541-101800-
/O.CON.KGRB.SC.Y.0095.000000T0000Z-251211T0000Z/
Rock Island Passage to Sturgeon Bay WI-
259 AM CST Wed Dec 10 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
  waves 3 to 6 ft.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sturgeon Bay.

* WHEN...Until 6 PM CST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JLA