424
WHUS71 KLWX 210827
MWWLWX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
427 AM EDT TUE APR 21 2026
ANZ532>534-537-541-543-211630-
/O.EXP.KLWX.SC.Y.0069.000000T0000Z-260421T0800Z/
/O.CON.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-
427 AM EDT TUE APR 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 AM EDT WEDNESDAY...
..SMALL CRAFT ADVISORY HAS EXPIRED
* WHAT...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.
ANZ540-211630-
/O.EXP.KLWX.SC.Y.0070.000000T0000Z-260421T0800Z/
/O.CON.KLWX.SC.Y.0071.260422T0000Z-260422T1200Z/
EASTERN BAY-
427 AM EDT TUE APR 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 8 AM EDT WEDNESDAY...
..SMALL CRAFT ADVISORY HAS EXPIRED
* WHAT...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.
ANZ531-538-539-210930-
/O.EXP.KLWX.SC.Y.0070.000000T0000Z-260421T0800Z/
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-
427 AM EDT TUE APR 21 2026
..SMALL CRAFT ADVISORY HAS EXPIRED
WINDS HAVE DIMINISHED BELOW CRITERIA.
ANZ542-211630-
/O.CON.KLWX.SC.Y.0071.260422T0000Z-260422T1200Z/
PATUXENT RIVER TO BROOMES ISLAND MD-
427 AM EDT TUE APR 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
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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