244  
FZUS51 KLWX 031828  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
228 PM EDT THU SEP 3 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.  
 
ANZ500-040800-  
228 PM EDT THU SEP 3 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 NIGHT.  
 

 
 
ANZ535-040800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-040800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT
 
NE WINDS AROUND 5 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-040800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
W WINDS 5 KT. WAVES FLAT.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
MON...E WINDS 5 TO 10 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-040800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS AND  
SCATTERED 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  
AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ531-040800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
W 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  
AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ538-040800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
W WINDS 5 KT. WAVES FLAT. 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 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
N WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ539-040800-  
CHESTER RIVER TO QUEENSTOWN MD-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
W 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  
AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MON
 
SE WINDS AROUND 5 KT. WAVES FLAT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ532-040800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
W 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  
AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 10 TO 15 KT
 
BECOMING E 5 TO 10 KT. WAVES 1 FT.    
MON...E WINDS 5 TO 10 KT
 
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ540-040800-  
EASTERN BAY-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS  
AND TSTMS.    
FRI
 
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ533-040800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.    
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  
AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 10 TO 15 KT
 
BECOMING E 5 TO 10 KT. WAVES 1 TO  
2 FT.    
MON...E WINDS 5 TO 10 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ541-040800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.  
PATCHY FOG. VSBY 1 NM OR LESS.    
FRI
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON...E WINDS 5 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ542-040800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED  
SHOWERS AND TSTMS.    
TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.    
FRI
 
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT
 
NE WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SE WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-040800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND  
TSTMS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN...NE WINDS 10 TO 15 KT
 
BECOMING E. WAVES 2 FT.    
MON...E WINDS 5 TO 10 KT
 
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-040800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
228 PM EDT THU SEP 3 2026  
   
THIS AFTERNOON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.    
FRI
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT
 
N WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
NE WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
NE WINDS 10 TO 15 KT. WAVES 1 FT.    
MON...E WINDS 5 TO 10 KT
 
BECOMING S AFTER MIDNIGHT. 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