521
WHUS71 KLWX 121857
MWWLWX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
157 PM EST WED NOV 12 2025
ANZ536-542-130300-
/O.CON.KLWX.SC.Y.0161.000000T0000Z-251112T2300Z/
/O.NEW.KLWX.SC.Y.0163.251113T1100Z-251113T2200Z/
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-
PATUXENT RIVER TO BROOMES ISLAND MD-
157 PM EST WED NOV 12 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO 5 PM EST
THURSDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, WEST WINDS 10 TO 15
KT WITH GUSTS UP TO 30 KT. FOR THE SECOND SMALL CRAFT
ADVISORY, WEST WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT
EXPECTED.
* WHERE...TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD AND
PATUXENT RIVER TO BROOMES ISLAND MD.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL 6 PM EST THIS
EVENING. FOR THE SECOND SMALL CRAFT ADVISORY, FROM 6 AM TO 5
PM EST THURSDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
ANZ535-538-130300-
/O.CON.KLWX.SC.Y.0162.000000T0000Z-251112T2300Z/
/O.EXB.KLWX.SC.Y.0161.251113T1100Z-251113T2200Z/
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
157 PM EST WED NOV 12 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO 5 PM EST
THURSDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, WEST WINDS 10 TO 15
KT WITH GUSTS UP TO 30 KT. FOR THE SECOND SMALL CRAFT
ADVISORY, WEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT
EXPECTED.
* WHERE...TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD AND
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL 6 PM EST THIS
EVENING. FOR THE SECOND SMALL CRAFT ADVISORY, FROM 6 AM TO 5
PM EST THURSDAY.
* 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>534-537-539>541-543-130300-
/O.EXT.KLWX.SC.Y.0161.000000T0000Z-251113T2200Z/
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-
157 PM EST WED NOV 12 2025
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST THURSDAY
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT,
SHIFTING TO WEST WINDS WITH GUSTS UP TO 25 KT BY EARLY THIS
EVENING.
* 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 5 PM EST THURSDAY.
* 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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