206  
FZUS51 KLWX 230833  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
433 AM EDT WED OCT 23 2024  
 
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.  
 
ANZ500-232300-  
433 AM EDT WED OCT 23 2024  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL SLOWLY DRIFT OFFSHORE THIS MORNING INTO MIDDAY. A  
COLD FRONT LOOKS TO CROSS THE WATERS LATE TONIGHT INTO EARLY  
THURSDAY WITH HIGH PRESSURE BRIEFLY RETURNING FRIDAY. A STRONGER  
COLD FRONT IS EXPECTED TO CROSS THE REGION SATURDAY WITH A MORE  
EXPANSIVE HIGH PRESSURE SYSTEM BUILDING IN SUNDAY INTO EARLY NEXT  
WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED LATE TONIGHT INTO  
THURSDAY, AND SATURDAY NIGHT INTO SUNDAY MORNING.  
 

 
 
ANZ535-232300-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT...SW WINDS 5 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
FRI NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
SAT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
N WINDS AROUND 5 KT. WAVES 1 FT.  
 

 
 
ANZ536-232300-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT.    
THU
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...NW WINDS 10 TO 15 KT
 
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.   
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ537-232300-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 FT.    
THU
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
FRI...NW WINDS 5 TO 10 KT
 
BECOMING SW IN THE AFTERNOON. WAVES  
1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING N. WAVES 1 TO 2 FT.    
SUN...N WINDS 10 TO 15 KT
 
DIMINISHING TO 5 KT. WAVES 1 TO 2 FT.  
 

 
 
ANZ530-232300-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT.    
THU
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW. WAVES 1 FT.    
SUN
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ531-232300-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 10 KT
 
BECOMING NW WITH GUSTS TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
THU
 
N WINDS 15 TO 20 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING SW IN THE AFTERNOON. WAVES  
1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW. WAVES 1 TO 2 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 

 
 
ANZ538-232300-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 5 KT. WAVES FLAT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TONIGHT...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT.    
THU
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
W WINDS 5 KT. WAVES FLAT.    
FRI NIGHT
 
SW WINDS 5 KT. WAVES FLAT.    
SAT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 

 
 
ANZ539-232300-  
CHESTER RIVER TO QUEENSTOWN MD-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
THU
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING SW IN THE AFTERNOON. WAVES 1 FT  
OR LESS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.  
 

 
 
ANZ532-232300-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 10 KT. WAVES 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 10 KT
 
BECOMING NW WITH GUSTS TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
THU
 
N WINDS 15 TO 20 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING SW IN THE AFTERNOON. WAVES  
1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW. WAVES 1 TO 2 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 

 
 
ANZ540-232300-  
EASTERN BAY-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT.    
THU
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING SW IN THE AFTERNOON. WAVES 1 FT  
OR LESS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW. WAVES 1 FT.    
SUN...N WINDS 10 TO 15 KT
 
DIMINISHING TO 5 KT. WAVES 1 FT.  
 

 
 
ANZ533-232300-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 10 KT. WAVES 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 10 KT
 
BECOMING NW WITH GUSTS TO 20 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
THU
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING SW IN THE AFTERNOON. WAVES  
1 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW. WAVES 1 TO 2 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 

 
 
ANZ541-232300-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
THU
 
N WINDS 15 TO 20 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING W IN THE AFTERNOON. WAVES 1 FT.   
FRI NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING NW. WAVES 1 TO 2 FT.    
SUN...N WINDS 10 TO 15 KT
 
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO  
2 FT.  
 

 
 
ANZ542-232300-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...S WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES  
1 FT.    
THU
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
N WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-232300-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SW WINDS 10 KT
 
BECOMING NW WITH GUSTS TO 20 KT LATE.  
WAVES 1 TO 2 FT.    
THU
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO  
3 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING W IN THE AFTERNOON. WAVES 1 TO  
2 FT.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING N 15 TO 20 KT. WAVES 2 TO  
3 FT.    
SUN...N WINDS 10 TO 15 KT. WAVES 2 TO 3 FT
 
SUBSIDING TO 1 FT.  
 

 
 
ANZ543-232300-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
433 AM EDT WED OCT 23 2024  
   
REST OF THE OVERNIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT LATE. WAVES 1 FT.    
THU
 
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING W IN THE AFTERNOON. WAVES 1 FT.   
FRI NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT...W WINDS 10 TO 15 KT
 
BECOMING N 15 TO 20 KT. WAVES 1 TO  
2 FT.    
SUN
 
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.  
 

 
 
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