WHUS73 KGRB 210711

MWWGRB



URGENT - MARINE WEATHER MESSAGE

National Weather Service Green Bay WI

211 AM CDT Tue Apr 21 2026



LMZ541>543-211515-

/O.CON.KGRB.SC.Y.0044.000000T0000Z-260421T1800Z/

Rock Island Passage to Sturgeon Bay WI-

Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-

211 AM CDT Tue Apr 21 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS

AFTERNOON...



* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and 

  waves 3 to 6 ft.



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

  to Sheboygan.



* WHEN...Until 1 PM CDT this afternoon.



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



* PRECAUTIONARY/PREPAREDNESS ACTIONS...



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



Kurimski