WHUS71 KLWX 042357

MWWLWX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Baltimore MD/Washington DC

757 PM EDT Mon May 4 2026



ANZ530-050800-

/O.CAN.KLWX.SC.Y.0078.000000T0000Z-260505T0000Z/

/O.EXT.KLWX.SC.Y.0079.260504T2357Z-260506T2200Z/

Chesapeake Bay north of Pooles Island MD-

757 PM EDT Mon May 4 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT WEDNESDAY...



* WHAT...South winds 10 to 20 kt with gusts up to 30 kt.



* WHERE...Chesapeake Bay north of Pooles Island MD.



* WHEN...Until 6 PM 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.



&&



$$



ANZ531-539-050800-

/O.CAN.KLWX.SC.Y.0078.000000T0000Z-260505T0000Z/

/O.EXT.KLWX.SC.Y.0079.260504T2357Z-260506T2200Z/

Chesapeake Bay from Pooles Island to Sandy Point MD-

Chester River to Queenstown MD-

757 PM EDT Mon May 4 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT WEDNESDAY...



* WHAT...South winds 10 to 20 kt with gusts up to 30 kt.



* WHERE...Chesapeake Bay from Pooles Island to Sandy Point MD 

  and Chester River to Queenstown MD.



* WHEN...Until 6 PM 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.



&&



$$



ANZ535-536-538-542-050800-

/O.EXP.KLWX.SC.Y.0078.000000T0000Z-260505T0000Z/

/O.EXT.KLWX.SC.Y.0079.260505T1400Z-260506T2200Z/

Tidal Potomac from Key Bridge to Indian Head MD-

Tidal Potomac from Indian Head to Cobb Island MD-

Patapsco River including Baltimore Harbor-

Patuxent River to Broomes Island MD-

757 PM EDT Mon May 4 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM TUESDAY TO 6 PM

EDT WEDNESDAY...

...SMALL CRAFT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...



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



* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, 

  Patapsco River including Baltimore Harbor, and Patuxent River 

  to Broomes Island MD.



* WHEN...From 10 AM Tuesday to 6 PM 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.



&&



$$



ANZ532>534-537-540-541-543-050800-

/O.EXT.KLWX.SC.Y.0078.000000T0000Z-260506T2200Z/

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-Eastern Bay-

Choptank River to Cambridge MD and the Little Choptank River-

Tangier Sound and the inland waters surrounding Bloodsworth

Island-

757 PM EDT Mon May 4 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT WEDNESDAY...



* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and 

  waves 2 to 4 ft.



* WHERE...Chesapeake Bay from Sandy 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, and Tangier Sound and the inland waters surrounding 

  Bloodsworth Island.



* WHEN...Until 6 PM 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.



&&



$$