259  
FZUS51 KLWX 072357  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
757 PM EDT MON SEP 7 2026  
 
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.  
 
ANZ500-080800-  
757 PM EDT MON SEP 7 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL DRIFT OFFSHORE THROUGH MID WEEK SHIFTING WINDS TO  
THE SOUTH. WINDS MAY BRIEFLY INCREASE TO NEAR SMALL CRAFT ADVISORY  
LEVELS EARLY WEDNESDAY, BUT ARE MORE LIKELY TO REACH SUCH LEVELS  
WEDNESDAY AFTERNOON AND NIGHT. GUSTY WINDS COULD CONTINUE THROUGH  
THURSDAY AS WINDS SHIFT TO THE WEST AND NORTHWEST AS A COLD FRONT  
CROSSES. LIGHTER WINDS ARE CURRENTLY EXPECTED ON FRIDAY.  
 

 
 
ANZ535-080800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE  
OF SHOWERS.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-080800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
THU NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
SAT
 
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-080800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT. WAVES 2 FT.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...NE WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.  
 

 
 
ANZ530-080800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 

 
 
ANZ531-080800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
E WINDS 5 KT. WAVES FLAT.    
TUE...W WINDS 5 KT
 
BECOMING S LATE. WAVES 1 FT OR LESS.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.  
WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 

 
 
ANZ538-080800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
NE WINDS 5 KT. WAVES FLAT.    
TUE...W WINDS 5 KT
 
BECOMING SE LATE. WAVES 1 FT OR LESS.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.  
WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU
 
SW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI
 
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT.  
 

 
 
ANZ539-080800-  
CHESTER RIVER TO QUEENSTOWN MD-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES FLAT.    
TUE
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
THROUGH THE NIGHT.  
 

 
 
ANZ532-080800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE...SW WINDS 5 KT
 
BECOMING S LATE. WAVES 1 FT.    
TUE NIGHT
 
S WINDS 10 KT. WAVES 1 FT.    
WED
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A  
CHANCE OF SHOWERS.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...NE WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT  
OR LESS.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS  
THROUGH THE NIGHT.  
 

 
 
ANZ540-080800-  
EASTERN BAY-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES FLAT.    
TUE
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ533-080800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE...SW WINDS 5 KT
 
BECOMING SE LATE. WAVES 1 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU...SW WINDS 15 TO 20 KT
 
DIMINISHING TO 10 KT IN THE AFTERNOON.  
WAVES 2 FT. A CHANCE OF SHOWERS.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...NE WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 TO  
2 FT.    
SAT
 
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.  
 

 
 
ANZ541-080800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU...SW WINDS 15 TO 20 KT
 
DIMINISHING TO 5 TO 10 KT IN THE  
AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ542-080800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
WED
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE  
OF SHOWERS.    
THU NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...NE WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 

 
 
ANZ534-080800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT...NE WINDS 5 KT
 
BECOMING SE LATE THIS EVENING AND EARLY  
MORNING, THEN BECOMING S LATE. WAVES 1 FT.    
TUE...W WINDS 5 KT
 
BECOMING SE LATE. WAVES 1 FT.   
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 2 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.    
THU
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF  
SHOWERS.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 TO  
2 FT.    
SAT
 
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.  
 

 
 
ANZ543-080800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
757 PM EDT MON SEP 7 2026  
   
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
TUE
 
W WINDS AROUND 5 KT. WAVES FLAT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
WED
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
WED NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO  
3 FT.    
THU
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.    
THU NIGHT...W WINDS 10 TO 15 KT
 
BECOMING NW 5 TO 10 KT AFTER  
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI...N WINDS 5 TO 10 KT
 
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 

 
 
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