437
WHUS71 KLWX 210131
MWWLWX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
931 PM EDT MON APR 20 2026
ANZ532>534-537-541-543-210945-
/O.CON.KLWX.SC.Y.0069.000000T0000Z-260421T0800Z/
/O.NEW.KLWX.SC.Y.0071.260422T0000Z-260422T1200Z/
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-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-
931 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 8 AM EDT
WEDNESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, NORTH WINDS 10 TO
15 KT WITH GUSTS UP TO 25 KT. FOR THE SECOND SMALL CRAFT
ADVISORY, SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT
EXPECTED.
* WHERE...CHESAPEAKE BAY FROM SANDY POINT MD TO SMITH POINT VA,
TIDAL POTOMAC FROM COBB ISLAND 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 FIRST SMALL CRAFT ADVISORY, UNTIL 4 AM EDT
TUESDAY. FOR THE SECOND SMALL CRAFT ADVISORY, FROM 8 PM
TUESDAY TO 8 AM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ540-210945-
/O.NEW.KLWX.SC.Y.0070.260421T0131Z-260421T0800Z/
/O.NEW.KLWX.SC.Y.0071.260422T0000Z-260422T1200Z/
EASTERN BAY-
931 PM EDT MON APR 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT TUESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 8 AM EDT
WEDNESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, NORTH WINDS 10 TO
15 KT WITH GUSTS UP TO 20 KT. FOR THE SECOND SMALL CRAFT
ADVISORY, SOUTH WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT
EXPECTED.
* WHERE...EASTERN BAY.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL 4 AM EDT
TUESDAY. FOR THE SECOND SMALL CRAFT ADVISORY, FROM 8 PM
TUESDAY TO 8 AM EDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ531-538-539-210800-
/O.NEW.KLWX.SC.Y.0070.260421T0131Z-260421T0800Z/
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-
931 PM EDT MON APR 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT TUESDAY
* WHAT...NORTH WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
* WHERE...CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD,
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR AND CHESTER RIVER TO
QUEENSTOWN MD.
* WHEN...UNTIL 4 AM EDT 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.
ANZ542-210945-
/O.NEW.KLWX.SC.Y.0071.260422T0000Z-260422T1200Z/
PATUXENT RIVER TO BROOMES ISLAND MD-
931 PM EDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 8 AM EDT
WEDNESDAY...
* WHAT...SOUTH WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT
EXPECTED.
* WHERE...PATUXENT RIVER TO BROOMES ISLAND MD.
* WHEN...FROM 8 PM TUESDAY TO 8 AM EDT WEDNESDAY.
* 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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