089  
FZUS51 KLWX 060857  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
457 AM 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.  
 
ANZ500-062300-  
457 AM EDT THU AUG 6 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
DAILY SHOWER AND THUNDERSTORM CHANCES RETURN TO THE FORECAST THROUGH  
THE WEEKEND, WITH GUSTY WINDS POSSIBLE IN THE STRONGEST  
THUNDERSTORMS ESPECIALLY LATER THIS WEEK. ADDITIONAL SMALL CRAFT  
ADVISORIES MAY BE NEEDED AT TIMES LATE THIS WEEK DUE TO PERIODS OF  
SOUTHERLY CHANNELING.  
 
 
 
ANZ535-062300-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
S WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY  
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
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 AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND 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  
W WINDS AROUND 5 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ536-062300-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
S WINDS 10 KT. WAVES 1 FT.    
TODAY  
SW WINDS 5 TO 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.    
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.  
 
 
 
ANZ537-062300-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
SW WINDS 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  
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.  
 
 
 
ANZ530-062300-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
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.    
SUN  
W WINDS AROUND 5 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.  
 
 
 
ANZ531-062300-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TONIGHT  
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY  
MORNING. WAVES 1 TO 2 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.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
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.  
 
 
 
ANZ538-062300-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
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.    
FRI NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
SHOWERS AND 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. A CHANCE OF  
SHOWERS.    
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.  
 
 
 
ANZ539-062300-  
CHESTER RIVER TO QUEENSTOWN MD-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
S WINDS 10 KT. WAVES 1 FT.    
TODAY  
S WINDS 5 TO 10 KT. WAVES 1 FT.    
TONIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
FRI NIGHT  
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.    
SAT NIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
SHOWERS.    
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.  
 
 
 
ANZ532-062300-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TONIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.   
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. 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.    
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.  
 
 
 
ANZ540-062300-  
EASTERN BAY-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 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.    
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.  
 
 
 
ANZ533-062300-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.    
TONIGHT...S WINDS 10 TO 15 KT  
BECOMING SW AFTER MIDNIGHT. GUSTS  
UP TO 20 KT. WAVES 1 TO 2 FT.    
FRI  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
FRI NIGHT  
SW WINDS 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.    
SUN  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ541-062300-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 1 FT.    
TODAY  
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
TONIGHT  
S WINDS 10 KT WITH GUSTS TO 20 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.    
SUN  
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON  
SW WINDS 5 TO 10 KT. WAVES 1 FT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 
 
 
ANZ542-062300-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TODAY  
SW WINDS 5 TO 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.  
 
 
 
ANZ534-062300-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 10 KT. WAVES 2 FT.    
TODAY  
S WINDS 10 TO 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. 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 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.  
 
 
 
ANZ543-062300-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
457 AM EDT THU AUG 6 2026  
   
REST OF THE OVERNIGHT  
SW WINDS 15 KT. WAVES 1 FT.    
TODAY  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 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 1 TO  
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. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN  
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON  
SW WINDS 10 TO 15 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