133  
FZUS51 KLWX 062059  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
459 PM EDT THU AUG 6 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.  
 
ANZ500-070800-  
459 PM EDT THU AUG 6 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
DAILY SHOWER AND THUNDERSTORM CHANCES CONTINUE THROUGH THE WEEKEND,  
WITH GUSTY WINDS POSSIBLE IN THE STRONGEST THUNDERSTORMS. SPECIAL  
MARINE WARNINGS WILL BE A POSSIBILITY EACH DAY, WITH THE HIGHEST  
CHANCES FURTHEST NORTH. HOWEVER, ANYWHERE ON THE WATERS WILL HAVE A  
CHANCE AT STORMS. SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES  
LATER THIS WEEK DUE TO PERIODS OF SOUTHERLY CHANNELING.  
 
 
 
ANZ535-070800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES  
1 FT. A CHANCE OF SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SAT  
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS AROUND 5 KT. WAVES 1 FT.    
SUN  
W WINDS AROUND 5 KT. WAVES 1 FT.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-070800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE  
OF SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ537-070800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT. WAVES 1 FT.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT  
SW WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN...W WINDS 5 TO 10 KT  
BECOMING S. WAVES 1 FT OR LESS.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ530-070800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE  
EVENING. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ531-070800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. A CHANCE OF SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE  
EVENING. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN  
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ538-070800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF  
SHOWERS AND TSTMS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
SAT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN  
W WINDS AROUND 5 KT. WAVES FLAT.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ539-070800-  
CHESTER RIVER TO QUEENSTOWN MD-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SUN  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ532-070800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. A CHANCE OF SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT EARLY IN THE  
EVENING. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ540-070800-  
EASTERN BAY-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES  
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TONIGHT  
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE  
EVENING. WAVES 1 FT. A CHANCE OF SHOWERS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ533-070800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TONIGHT...S WINDS 10 TO 15 KT  
BECOMING SW 5 TO 10 KT LATE. GUSTS  
UP TO 20 KT. WAVES 1 TO 2 FT.    
FRI  
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ541-070800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES  
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
TONIGHT  
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE  
EVENING. WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ542-070800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 10 KT. WAVES 1 FT.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS AROUND 5 KT. WAVES 1 FT.    
MON  
SW WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ534-070800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.   
FRI  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI NIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
SAT  
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ543-070800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
459 PM EDT THU AUG 6 2026  
   
REST OF THIS AFTERNOON  
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES  
2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
FRI  
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
FRI NIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
SAT  
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A  
CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
CHANCE OF SHOWERS AND TSTMS.    
SUN  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
SW 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