824  
FZUS51 KLWX 041300  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
800 AM EST THU DEC 4 2025  
 
TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY.  
 
FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION  
RELATIVE TO TIDAL CURRENTS. EXPECT HIGHER WAVES WHEN WINDS ARE  
BLOWING AGAINST THE TIDAL FLOW. WAVES FLAT WHERE WATERS ARE ICED OVER.  
 
ANZ500-042100-  
800 AM EST THU DEC 4 2025  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL REMAIN NEARBY EARLY THIS MORNING. A REINFORCING  
COLD FRONT WILL CROSS THE MID-ATLANTIC THIS AFTERNOON. LOW PRESSURE  
WILL LIKELY TRACK OFFSHORE OF THE CAROLINAS INTO THE ATLANTIC OCEAN  
FRIDAY INTO SATURDAY, BUT THERE IS CONSIDERABLE UNCERTAINTY AS TO  
HOW FAR NORTH THE LOW AND ITS ASSOCIATED PRECIPITATION GETS. HIGH  
PRESSURE BRIEFLY BUILDS OVER THE AREA THIS WEEKEND. A COUPLE OF  
CLIPPER-LIKE SYSTEMS MAY AFFECT THE AREA HEADING INTO EARLY NEXT  
WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED ON MONDAY.  
 

 
 
ANZ535-042100-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 FT.    
TONIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
SE WINDS AROUND 5 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO  
3 NM.    
FRI NIGHT
 
LIGHT WINDS. WAVES FLAT.    
SAT
 
LIGHT WINDS. WAVES 1 FT OR LESS.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ536-042100-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
800 AM EST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH THIS  
EVENING...  
   
TODAY
 
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 FT.    
TONIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
E WINDS AROUND 5 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO 3 NM.   
FRI NIGHT
 
N WINDS AROUND 5 KT. WAVES 1 FT.    
SAT
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
MON...N WINDS 10 TO 15 KT
 
DIMINISHING TO 5 KT AFTER MIDNIGHT.  
WAVES 1 FT.  
 

 
 
ANZ537-042100-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
800 AM EST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH LATE  
TONIGHT...  
   
TODAY...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
INCREASING TO  
15 KT WITH GUSTS TO 20 KT LATE. WAVES 1 TO 2 FT.   
TONIGHT...N WINDS 10 TO 15 KT
 
BECOMING NE LATE. GUSTS UP TO  
20 KT. WAVES 2 FT.    
FRI
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN. VSBY 1 TO  
3 NM.    
FRI NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN...N WINDS 5 TO 10 KT
 
INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
MON...N WINDS 15 TO 20 KT
 
DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. WAVES 2 TO 3 FT.  
 

 
 
ANZ530-042100-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
BECOMING NW 15 KT  
WITH GUSTS TO 20 KT THIS AFTERNOON. WAVES 1 FT.    
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE  
5 TO 10 KT LATE. WAVES 1 FT.    
FRI
 
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SNOW. VSBY 1 TO  
3 NM.    
FRI NIGHT
 
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SNOW AND  
RAIN.    
SAT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
MON...N WINDS 10 TO 15 KT
 
DIMINISHING TO 5 KT AFTER MIDNIGHT.  
WAVES 1 FT.  
 

 
 
ANZ531-042100-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE  
5 TO 10 KT LATE. WAVES 1 TO 2 FT.    
FRI
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO 3 NM.   
FRI NIGHT
 
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AND  
SNOW.    
SAT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN...N WINDS 5 TO 10 KT
 
INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
MON...N WINDS 15 TO 20 KT
 
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.  
 

 
 
ANZ538-042100-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
BECOMING NW 15 KT  
WITH GUSTS TO 20 KT THIS AFTERNOON. WAVES 1 FT OR LESS.    
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE  
5 KT AFTER MIDNIGHT. WAVES 1 FT.    
FRI
 
SE WINDS 5 KT. WAVES FLAT. SNOW LIKELY. VSBY 1 TO 3 NM.    
FRI NIGHT
 
N WINDS AROUND 5 KT. WAVES FLAT.    
SAT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES FLAT.    
SUN...N WINDS AROUND 5 KT
 
INCREASING TO 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 FT OR LESS.    
MON...N WINDS 10 TO 15 KT
 
DIMINISHING TO 5 KT AFTER MIDNIGHT.  
WAVES 1 FT OR LESS.  
 

 
 
ANZ539-042100-  
CHESTER RIVER TO QUEENSTOWN MD-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
INCREASING TO  
15 KT WITH GUSTS TO 20 KT THIS AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE  
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
FRI
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SNOW LIKELY. VSBY 1 TO  
3 NM.    
FRI NIGHT
 
N WINDS 5 KT. WAVES FLAT. A CHANCE OF RAIN AND SNOW.    
SAT
 
W WINDS 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES FLAT.    
SUN...N WINDS 10 TO 15 KT. WAVES 1 FT OR LESS
 
BUILDING TO 2 FT  
AFTER MIDNIGHT.    
MON...N WINDS 10 TO 15 KT
 
BECOMING NE 5 KT AFTER MIDNIGHT. WAVES  
1 TO 2 FT.  
 

 
 
ANZ532-042100-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT...N WINDS 10 TO 15 KT
 
BECOMING NE LATE. GUSTS UP TO  
20 KT. WAVES 2 FT.    
FRI
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO 3 NM.    
FRI NIGHT
 
N WINDS 5 KT. WAVES FLAT. A CHANCE OF RAIN AND SNOW.    
SAT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN...N WINDS 5 TO 10 KT
 
INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
MON...N WINDS 20 TO 25 KT
 
DIMINISHING TO 10 TO 15 KT. WAVES 2 TO  
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.  
 

 
 
ANZ540-042100-  
EASTERN BAY-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY...NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
 
INCREASING TO  
15 KT WITH GUSTS TO 20 KT THIS AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING NE  
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
FRI
 
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SNOW LIKELY. VSBY  
1 TO 3 NM.    
FRI NIGHT
 
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AND  
SNOW.    
SAT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES FLAT.    
SUN...N WINDS 5 TO 10 KT
 
INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. WAVES 1 FT OR LESS...BUILDING TO 2 FT AFTER MIDNIGHT.    
MON...N WINDS 15 TO 20 KT
 
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.  
 

 
 
ANZ533-042100-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE.   
TONIGHT...N WINDS 15 TO 20 KT
 
BECOMING NE 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 2 TO 3 FT.    
FRI
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO 3 NM.    
FRI NIGHT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN  
AND SNOW.    
SAT
 
W WINDS 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN...N WINDS 10 TO 15 KT
 
INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT...BUILDING TO 3 FT AFTER MIDNIGHT.    
MON...N WINDS 20 TO 25 KT
 
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.  
WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.  
 

 
 
ANZ541-042100-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
800 AM EST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT...N WINDS 15 TO 20 KT
 
BECOMING NE 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
FRI
 
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO 3 NM.    
FRI NIGHT
 
N WINDS 5 KT. WAVES FLAT. A CHANCE OF RAIN AND SNOW.    
SAT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
SUN...N WINDS 5 KT
 
INCREASING TO 15 TO 20 KT. WAVES 1 TO 2 FT.    
MON...N WINDS 20 TO 25 KT
 
BECOMING NE 10 TO 15 KT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ542-042100-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
800 AM EST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH THIS  
EVENING...  
   
TODAY
 
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 FT.    
TONIGHT
 
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
FRI
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SNOW. VSBY 1 TO 3 NM.    
FRI NIGHT
 
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
SAT NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
MON...N WINDS 15 TO 20 KT
 
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-042100-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
800 AM EST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH LATE  
TONIGHT...  
   
TODAY
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING  
AND AFTERNOON. WAVES 1 TO 2 FT...BUILDING TO 3 FT LATE.   
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
 
BECOMING NE  
10 TO 15 KT LATE. WAVES 3 FT.    
FRI
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SNOW AND RAIN. VSBY  
1 TO 3 NM.    
FRI NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
SAT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
SAT NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN...N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
 
BUILDING TO 3 FT AFTER  
MIDNIGHT.    
MON...N WINDS 20 TO 25 KT
 
DIMINISHING TO 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.  
 

 
 
ANZ543-042100-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
800 AM EST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH LATE  
TONIGHT...  
   
TODAY...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
 
BECOMING 15 KT  
WITH GUSTS TO 20 KT LATE. WAVES 1 TO 2 FT.    
TONIGHT...N WINDS 15 TO 20 KT
 
BECOMING NE 10 TO 15 KT LATE. WAVES  
2 FT.    
FRI
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN. VSBY 1 TO  
3 NM.    
FRI NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.    
SAT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.   
SUN
 
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.    
MON...N WINDS 20 TO 25 KT
 
DIMINISHING TO 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.  
 

 
 
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