Marine Weather Message
Issued by NWS Green Bay, WI

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090
WHUS73 KGRB 162051
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
351 PM CDT Thu Oct 16 2025

LMZ541>543-170500-
/O.CON.KGRB.SC.Y.0078.251017T0600Z-251018T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
351 PM CDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM FRIDAY TO
4 PM CDT SATURDAY...

* WHAT...South winds 15 to 25 kts with gusts up to 30 kts and
  waves 7 to 10 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sheboygan.

* WHEN...From 1 AM Friday to 4 PM CDT Saturday.

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

* ADDITIONAL DETAILS...There is potential for a Gale Warning
  late Saturday night into Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ521-522-170500-
/O.CON.KGRB.SC.Y.0078.251017T1200Z-251018T0600Z/
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-
351 PM CDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO
1 AM CDT SATURDAY...

* WHAT...South winds 10 to 20 kts with gusts up to 30 kts and
  waves 2 to 4 ft expected.

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

* WHEN...From 7 AM Friday to 1 AM CDT Saturday.

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

* ADDITIONAL DETAILS...There is potential for a Gale Warning
  late Saturday night into Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$