WHUS73 KGRB 042354

MWWGRB



URGENT - MARINE WEATHER MESSAGE

National Weather Service Green Bay WI

654 PM CDT Mon May 4 2026



LMZ543-050300-

/O.EXT.KGRB.SC.Y.0048.000000T0000Z-260505T0300Z/

Two Rivers to Sheboygan WI-

654 PM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS

EVENING...



* WHAT...Southwest winds 15 to 20 kts with gusts up to 30 kts and

  waves 2 to 5 ft.



* WHERE...Lake Michigan nearshore waters from Two Rivers to 

  Sheboygan.



* WHEN...Until 10 PM CDT 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.



&&



$$



LMZ521-522-050300-

/O.EXT.KGRB.SC.Y.0048.000000T0000Z-260505T0300Z/

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-

654 PM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS

EVENING...



* WHAT...West winds 10 to 20 kts with gusts up to 30 kts and 

  waves 1 to 3 ft.



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



* WHEN...Until 10 PM CDT 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.



&&



$$



LMZ541-542-050300-

/O.CON.KGRB.SC.Y.0048.000000T0000Z-260505T0300Z/

Rock Island Passage to Sturgeon Bay WI-

Sturgeon Bay to Two Rivers WI-

654 PM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS

EVENING...



* WHAT...West winds 10 to 20 kts with gusts up to 30 kts and 

  waves 2 to 5 ft.



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

  to Two Rivers.



* WHEN...Until 10 PM CDT 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.



&&



$$



MPC