884  
FZUS51 KLWX 282357  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
757 PM EDT MON SEP 28 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.  
 
ANZ500-290800-  
757 PM EDT MON SEP 28 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
WEAK HIGH PRESSURE WILL BUILD INTO THE AREA TONIGHT THROUGH  
WEDNESDAY BEFORE MOVING EASTWARD THURSDAY.  
 

 
 
ANZ535-290800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI...SW WINDS 5 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ536-290800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.   
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ537-290800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS AROUND 5 KT. WAVES FLAT.    
WED...W WINDS AROUND 5 KT
 
BECOMING SE IN THE AFTERNOON. WAVES  
1 FT OR LESS.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.  
 

 
 
ANZ530-290800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE NIGHT
 
NW WINDS AROUND 5 KT. WAVES FLAT.    
WED
 
SE WINDS AROUND 5 KT. WAVES FLAT.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES FLAT.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ531-290800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
WED
 
E WINDS AROUND 5 KT. WAVES FLAT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ538-290800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS AROUND 5 KT. WAVES FLAT.    
TUE
 
NW WINDS 5 KT. WAVES FLAT.    
TUE NIGHT
 
LIGHT WINDS. WAVES FLAT.    
WED
 
W WINDS AROUND 5 KT. WAVES FLAT.    
WED NIGHT
 
S WINDS 5 KT. WAVES FLAT.    
THU
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI...SW WINDS 5 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR  
LESS.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ539-290800-  
CHESTER RIVER TO QUEENSTOWN MD-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
LIGHT WINDS. WAVES 1 FT OR LESS.    
WED
 
W WINDS AROUND 5 KT. WAVES FLAT.    
WED NIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FT.    
THU
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ532-290800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
WED...LIGHT WINDS
 
BECOMING S 5 TO 10 KT IN THE AFTERNOON. WAVES  
1 FT OR LESS.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 FT.    
SAT...NE WINDS 10 TO 15 KT
 
BECOMING E. WAVES 1 TO 2 FT. A CHANCE  
OF SHOWERS THROUGH THE NIGHT.  
 

 
 
ANZ540-290800-  
EASTERN BAY-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
LIGHT WINDS. WAVES FLAT.    
WED
 
W WINDS AROUND 5 KT. WAVES FLAT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.    
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ533-290800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS AROUND 5 KT. WAVES FLAT.    
WED...W WINDS AROUND 5 KT
 
BECOMING S IN THE AFTERNOON. WAVES 1 FT  
OR LESS.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. WAVES 2 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.    
SAT...NE WINDS 10 TO 15 KT
 
BECOMING E. WAVES 1 TO 2 FT. A CHANCE  
OF SHOWERS THROUGH THE NIGHT.  
 

 
 
ANZ541-290800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
W WINDS AROUND 5 KT. WAVES FLAT.    
WED
 
SW WINDS AROUND 5 KT. WAVES FLAT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.  
WAVES 1 FT.    
SAT...NE WINDS 10 TO 15 KT
 
BECOMING E 5 TO 10 KT. WAVES 1 FT. A  
CHANCE OF SHOWERS THROUGH THE NIGHT.  
 

 
 
ANZ542-290800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED NIGHT
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI...SW WINDS 5 TO 10 KT
 
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.   
SAT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.  
 

 
 
ANZ534-290800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
WED...W WINDS AROUND 5 KT
 
BECOMING S IN THE AFTERNOON. WAVES  
1 FT.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 2 FT.    
THU
 
S WINDS 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. WAVES 2 FT.    
FRI
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SAT...NE WINDS 10 TO 15 KT
 
BECOMING E. WAVES 2 FT. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.  
 

 
 
ANZ543-290800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
757 PM EDT MON SEP 28 2026  
   
TONIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
WED
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
WED NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FT.    
THU
 
S WINDS 10 KT. WAVES 1 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page