827  
WHUS71 KLWX 201851  
MWWLWX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
151 PM EST THU FEB 20 2025  
 
ANZ535-536-538-542-210400-  
/O.CON.KLWX.GL.W.0008.000000T0000Z-250221T0600Z/  
/O.NEW.KLWX.SC.Y.0035.250221T0600Z-250221T1500Z/  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
151 PM EST THU FEB 20 2025  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY  
   
..SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST FRIDAY  
 
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 15 TO 20 KT WITH  
GUSTS UP TO 35 KT. FOR THE SMALL CRAFT ADVISORY, NORTHWEST  
WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT EXPECTED.  
 
* WHERE...TIDAL POTOMAC RIVER FROM KEY BRIDGE TO COBB ISLAND MD,  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, AND PATUXENT RIVER  
TO BROOMES ISLAND MD.  
 
* WHEN...FOR THE GALE WARNING, UNTIL 1 AM EST FRIDAY. FOR THE  
SMALL CRAFT ADVISORY, FROM 1 AM TO 10 AM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
 
ANZ530>534-537-539>541-543-210400-  
/O.CON.KLWX.GL.W.0008.000000T0000Z-250221T1500Z/  
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-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-  
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-  
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-  
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH  
ISLAND-  
151 PM EST THU FEB 20 2025  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY  
 
* WHAT...NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 TO 40 KT  
AND WAVES 2 TO 4 FT.  
 
* WHERE...CHESAPEAKE BAY MAIN CHANNEL NORTH OF SMITH POINT VA,  
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA, CHESTER  
RIVER TO QUEENSTOWN MD, EASTERN BAY, CHOPTANK RIVER TO  
CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER, AND TANGIER SOUND  
AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND.  
 
* WHEN...UNTIL 10 AM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
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