677  
WHUS73 KGRB 211959  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
159 PM CST FRI FEB 21 2025  
 
LMZ541-542-220400-  
/O.NEW.KGRB.SC.Y.0019.250222T0200Z-250222T1200Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-  
159 PM CST FRI FEB 21 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM  
CST SATURDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KTS WITH GUSTS UP TO 25 KTS AND  
WAVES UP TO 3 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO TWO RIVERS.  
 
* WHEN...FROM 8 PM THIS EVENING TO 6 AM CST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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