809  
WHUS71 KLWX 041515  
MWWLWX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1115 AM EDT SUN MAY 4 2025  
 
ANZ533-537-541-042315-  
/O.CON.KLWX.SC.Y.0080.000000T0000Z-250505T0500Z/  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-  
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1115 AM EDT SUN MAY 4 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT MONDAY
 
 
* WHAT...SOUTH WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
 
* WHERE...CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD,  
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA, AND  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER.  
 
* WHEN...UNTIL 1 AM EDT MONDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ534-543-042315-  
/O.CON.KLWX.SC.Y.0079.000000T0000Z-250505T0500Z/  
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH  
ISLAND-  
1115 AM EDT SUN MAY 4 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT MONDAY
 
 
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT.  
 
* WHERE...CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA,  
AND TANGIER SOUND AND THE INLAND WATERS SURROUNDING  
BLOODSWORTH ISLAND.  
 
* WHEN...UNTIL 1 AM EDT MONDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ535-536-041900-  
/O.CON.KLWX.SC.Y.0080.000000T0000Z-250504T1900Z/  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-  
1115 AM EDT SUN MAY 4 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EDT THIS  
AFTERNOON...  
 
* WHAT...SOUTH WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT  
EXPECTED.  
 
* WHERE...TIDAL POTOMAC RIVER FROM KEY BRIDGE TO COBB ISLAND MD.  
 
* WHEN...FROM 9 AM THIS MORNING TO 3 PM EDT THIS AFTERNOON.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ530-531-538>540-542-042100-  
/O.CON.KLWX.SC.Y.0080.000000T0000Z-250504T2100Z/  
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1115 AM EDT SUN MAY 4 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS  
AFTERNOON...  
 
* WHAT...SOUTH WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT  
EXPECTED.  
 
* WHERE...CHESAPEAKE BAY NORTH OF SANDY POINT MD, PATAPSCO RIVER  
INCLUDING BALTIMORE HARBOR, CHESTER RIVER TO QUEENSTOWN MD,  
EASTERN BAY, AND PATUXENT RIVER TO BROOMES ISLAND MD.  
 
* WHEN...FROM 11 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
ANZ532-042315-  
/O.CON.KLWX.SC.Y.0080.000000T0000Z-250505T0200Z/  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD-  
1115 AM EDT SUN MAY 4 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS  
EVENING...  
 
* WHAT...SOUTH TO SOUTHEAST WINDS 10 TO 15 KT WITH GUSTS UP TO  
20 KT EXPECTED.  
 
* WHERE...CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD.  
 
* WHEN...FROM 11 AM THIS MORNING TO 10 PM EDT 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.  
 

 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page