902
WHUS71 KLWX 201841
MWWLWX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
241 PM EDT WED AUG 20 2025
ANZ535-536-210245-
/O.NEW.KLWX.SC.Y.0118.250821T1300Z-250822T0000Z/
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-
241 PM EDT WED AUG 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 8 PM EDT
THURSDAY...
* WHAT...NORTH WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT EXPECTED.
* WHERE...TIDAL POTOMAC RIVER FROM KEY BRIDGE TO COBB ISLAND MD.
* WHEN...FROM 9 AM TO 8 PM EDT 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.
ANZ534-537-543-210245-
/O.EXT.KLWX.SC.Y.0117.250821T0000Z-250822T1000Z/
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-
241 PM EDT WED AUG 20 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
6 AM EDT FRIDAY...
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 2 TO 4 FT EXPECTED.
* WHERE...CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA,
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA AND
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND.
* WHEN...FROM 8 PM THIS EVENING TO 6 AM EDT 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.
ANZ530>533-538>542-210245-
/O.EXT.KLWX.SC.Y.0117.250821T0300Z-250822T0700Z/
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-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
PATUXENT RIVER TO BROOMES ISLAND MD-
241 PM EDT WED AUG 20 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
3 AM EDT FRIDAY...
* WHAT...NORTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT
EXPECTED.
* WHERE...CHESAPEAKE BAY AND ADJOINING ESTUARIES NORTH OF DRUM
POINT MD.
* WHEN...FROM 11 PM THIS EVENING TO 3 AM EDT 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page