323  
FZUS51 KLWX 020956  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
556 AM EDT WED SEP 2 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.  
 
ANZ500-022100-  
556 AM EDT WED SEP 2 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH  
FRIDAY IN A HOT AND HUMID AIR MASS. SPECIAL MARINE WARNINGS MAY BE  
NEEDED EACH AFTERNOON THROUGH AT LEAST FRIDAY FOR STRONG  
THUNDERSTORMS MOVING OVER THE WATERS. SMALL CRAFT ADVISORIES MAY BE  
NEEDED FRIDAY NIGHT THROUGH SATURDAY.  
 

 
 
ANZ535-022100-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS  
AND TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU...SW WINDS 5 KT
 
BECOMING W LATE. WAVES 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
THU NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
E WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-022100-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
E WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-022100-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
556 AM EDT WED SEP 2 2026  
   
TODAY...NE WINDS 5 KT
 
BECOMING E LATE. WAVES 1 FT OR LESS.  
SCATTERED SHOWERS AND TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-022100-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS  
AND TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ531-022100-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ538-022100-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
THU NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ539-022100-  
CHESTER RIVER TO QUEENSTOWN MD-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ532-022100-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ540-022100-  
EASTERN BAY-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ533-022100-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ541-022100-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ542-022100-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
556 AM EDT WED SEP 2 2026  
   
TODAY
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND  
TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
NW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 5 TO 10 KT
 
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.  
 
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-022100-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
556 AM EDT WED SEP 2 2026  
   
TODAY...N WINDS 5 KT
 
BECOMING E LATE. WAVES 1 FT. SCATTERED  
SHOWERS AND TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 2 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO  
2 FT. A CHANCE OF SHOWERS.    
SAT
 
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-022100-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
556 AM EDT WED SEP 2 2026  
   
TODAY...N WINDS 5 KT
 
BECOMING E LATE. WAVES 1 FT OR LESS.  
SCATTERED SHOWERS AND TSTMS THIS AFTERNOON.    
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND  
TSTMS.    
THU
 
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
THU NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
CHANCE OF SHOWERS.    
SAT
 
N WINDS 10 TO 15 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

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