276  
FZUS51 KLWX 180238  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1038 PM EDT SUN OCT 17 2021  
 
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.  
 
ANZ500-180800-  
1038 PM EDT SUN OCT 17 2021  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL BUILD OVERHEAD THROUGH THE MIDDLE PORTION OF THE  
WEEK BEFORE A COLD FRONT APPROACHES FOR LATE IN THE WEEK. SMALL  
CRAFT ADVISORIES WILL LIKELY NEED TO BE EXTENDED INTO TUESDAY, AND  
MAY ALSO BE NECESSARY WEDNESDAY NIGHT INTO THURSDAY.  
 

 
 
ANZ535-180800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1038 PM EDT SUN OCT 17 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT MONDAY THROUGH  
MONDAY AFTERNOON...  
   
REST OF TONIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON...W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT
 
INCREASING TO 25 KT  
IN THE AFTERNOON. WAVES 1 FT.    
MON NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ536-180800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT MONDAY THROUGH  
MONDAY AFTERNOON...  
   
REST OF TONIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.  
 

 
 
ANZ537-180800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT
 
W WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
MON
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE
 
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TUE NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ530-180800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT MONDAY THROUGH  
MONDAY AFTERNOON...  
   
REST OF TONIGHT
 
W WINDS 10 KT. GUSTS UP TO 25 KT LATE THIS  
EVENING. WAVES 1 FT.    
MON
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ531-180800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT...W WINDS 10 KT. GUSTS UP TO 30 KT
 
DIMINISHING  
TO 20 KT LATE. WAVES 2 TO 3 FT.    
MON
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 TO 2 FT.    
WED
 
W WINDS 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ538-180800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1038 PM EDT SUN OCT 17 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT MONDAY THROUGH  
MONDAY AFTERNOON...  
   
REST OF TONIGHT
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 FT.    
WED
 
W WINDS 10 KT. WAVES 1 FT.    
WED NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ539-180800-  
CHESTER RIVER TO QUEENSTOWN MD-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT
 
W WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
MON...NW WINDS 15 KT. GUSTS UP TO 25 KT
 
INCREASING TO 30 KT IN  
THE AFTERNOON. WAVES 3 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED
 
W WINDS 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ532-180800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT...W WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
 
 
DIMINISHING TO 20 KT LATE. WAVES 2 TO 3 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 TO 2 FT.    
WED
 
W WINDS 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ540-180800-  
EASTERN BAY-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT...W WINDS 15 KT. GUSTS UP TO 30 KT
 
DIMINISHING  
TO 20 KT LATE. WAVES 2 FT.    
MON...NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT
 
INCREASING TO  
30 KT IN THE AFTERNOON. WAVES 2 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO  
2 FT.    
TUE
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 FT.    
WED
 
W WINDS 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ533-180800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT...W WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
 
 
DIMINISHING TO 20 KT LATE. WAVES 2 TO 3 FT.    
MON
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
TUE
 
W WINDS 10 KT. WAVES 1 TO 2 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 FT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ541-180800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT...W WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
 
 
DIMINISHING TO 20 KT LATE. WAVES 2 FT.    
MON...NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
 
INCREASING TO  
30 KT IN THE LATE MORNING AND AFTERNOON. WAVES 2 TO 3 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 TO 2 FT.    
WED
 
W WINDS 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ542-180800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
MON
 
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TUE
 
W WINDS 10 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS 10 KT. WAVES 1 FT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ534-180800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES  
3 FT.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
TUE
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.    
TUE NIGHT
 
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
FRI...W WINDS 10 TO 15 KT
 
BECOMING N 5 TO 10 KT. WAVES 1 TO 2 FT.  
 
 

 
 
ANZ543-180800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1038 PM EDT SUN OCT 17 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
 
 
   
REST OF TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES  
2 FT.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
TUE
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.    
TUE NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED
 
W WINDS 10 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES 1 FT.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
FRI...W WINDS 10 TO 15 KT
 
BECOMING N 5 TO 10 KT. WAVES 1 FT.  
 

 
 
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