369  
WHUS71 KLWX 202340  
MWWLWX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
640 PM EST MON JAN 20 2025  
 
ANZ533-534-541-543-210745-  
/O.CON.KLWX.SC.Y.0013.000000T0000Z-250121T1000Z/  
/O.CON.KLWX.UP.Y.0001.000000T0000Z-250121T1500Z/  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-  
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH  
ISLAND-  
640 PM EST MON JAN 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST  
TUESDAY...  
...FREEZING SPRAY ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST  
TUESDAY...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 10 TO 15  
KT WITH GUSTS UP TO 20 KT. FOR THE FREEZING SPRAY ADVISORY,  
MODERATE ACCUMULATION OF FREEZING SPRAY.  
 
* WHERE...CHESAPEAKE BAY FROM NORTH BEACH MD TO SMITH POINT VA,  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER,  
AND TANGIER SOUND AND THE INLAND WATERS SURROUNDING  
BLOODSWORTH ISLAND.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 5 AM EST TUESDAY.  
FOR THE FREEZING SPRAY ADVISORY, UNTIL 10 AM EST TUESDAY.  
 
* IMPACTS...OPERATING A VESSEL IN FREEZING SPRAY IS HAZARDOUS.  
FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC COMPONENTS  
INOPERATIVE. ICE ACCRETION ON DECKS AND SUPERSTRUCTURES MAY  
RESULT IN SOME LOSS OF STABILITY. CONDITIONS WILL BE HAZARDOUS  
TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD PREPARE FOR ICE ACCUMULATION ON THEIR VESSEL AND  
CONSIDER ALTERING PLANS TO AVOID OR MITIGATE THESE HAZARDOUS  
CONDITIONS.  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ530>532-537>540-542-210745-  
/O.CON.KLWX.SC.Y.0013.000000T0000Z-250121T1000Z/  
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD-  
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
640 PM EST MON JAN 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST  
TUESDAY...  
 
* WHAT...NORTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
 
* WHERE...CHESAPEAKE BAY NORTH OF NORTH BEACH MD, TIDAL POTOMAC  
FROM COBB ISLAND MD TO SMITH POINT VA, PATAPSCO RIVER  
INCLUDING BALTIMORE HARBOR, CHESTER RIVER TO QUEENSTOWN MD,  
EASTERN BAY, AND PATUXENT RIVER TO BROOMES ISLAND MD.  
 
* WHEN...UNTIL 5 AM EST TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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