WHUS71 KLWX 120023

MWWLWX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Baltimore MD/Washington DC

723 PM EST Thu Dec 11 2025



ANZ538-120130-

/O.CAN.KLWX.LO.Y.0002.000000T0000Z-251212T0100Z/

/O.EXP.KLWX.SC.Y.0178.000000T0000Z-251212T0000Z/

Patapsco River including Baltimore Harbor-

723 PM EST Thu Dec 11 2025



...LOW WATER ADVISORY IS CANCELLED...

...SMALL CRAFT ADVISORY HAS EXPIRED...



Winds have decreased this evening. Water levels are increase now

that low tide has passed.



$$



ANZ531-532-539-120830-

/O.CAN.KLWX.LO.Y.0002.000000T0000Z-251212T0100Z/

/O.CON.KLWX.SC.Y.0178.000000T0000Z-251212T0900Z/

Chesapeake Bay from Pooles Island to Sandy Point MD-

Chesapeake Bay from Sandy Point to North Beach MD-

Chester River to Queenstown MD-

723 PM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST FRIDAY...

...LOW WATER ADVISORY IS CANCELLED...



* WHAT...West winds 10 to 15 kt with gusts up to 25 kt.



* WHERE...Chesapeake Bay from Pooles Island MD to North Beach 

  MD, and Chester River to Queenstown MD.



* WHEN...Until 4 AM EST Friday.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



ANZ535-536-542-120130-

/O.EXP.KLWX.SC.Y.0178.000000T0000Z-251212T0000Z/

Tidal Potomac from Key Bridge to Indian Head MD-

Tidal Potomac from Indian Head to Cobb Island MD-

Patuxent River to Broomes Island MD-

723 PM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY HAS EXPIRED...



Winds have decreased this evening.



$$



ANZ530-533-534-537-540-541-543-120830-

/O.CON.KLWX.SC.Y.0178.000000T0000Z-251212T0900Z/

Chesapeake Bay north of Pooles Island 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-Eastern Bay-

Choptank River to Cambridge MD and the Little Choptank River-

Tangier Sound and the inland waters surrounding Bloodsworth

Island-

723 PM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST FRIDAY...



* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt.



* WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, 

  Chesapeake Bay north of Pooles Island MD, Tidal Potomac from 

  Cobb Island MD to Smith Point VA, Eastern Bay, Choptank River 

  to Cambridge MD and the Little Choptank River, and Tangier 

  Sound and the inland waters surrounding Bloodsworth Island.



* WHEN...Until 4 AM EST Friday.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$