683  
FZUS51 KLWX 080258  
CWFLWX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1058 PM EDT FRI AUG 7 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.  
 
ANZ500-080800-  
1058 PM EDT FRI AUG 7 2026  
 
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...  
 
HIGH PRESSURE WILL BE PERSISTENT OFF THE EAST COAST INTO EARLY NEXT  
WEEK. SHOWER AND THUNDERSTORM CHANCES CONTINUE THROUGH SATURDAY  
AFTERNOON, BEFORE TAKING A BRIEF RESPITE SUNDAY INTO MONDAY. DAILY  
SHOWERS AND STORM RETURN TUESDAY THROUGH MUCH OF NEXT WEEK. GUSTY  
WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY  
THREATS WITH ANY STORMS. 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 THROUGH THE WEEKEND DUE TO  
PERIODS OF SOUTHERLY CHANNELING.  
 

 
 
ANZ535-080800-  
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
SAT
 
SW WINDS 5 TO 10 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.    
SUN NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH THE  
NIGHT. A CHANCE OF SHOWERS.    
WED
 
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH  
THE NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ536-080800-  
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
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
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
SUN NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON
 
W WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS IN THE  
AFTERNOON. A CHANCE OF SHOWERS THROUGH THE NIGHT.    
WED
 
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ537-080800-  
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-  
1058 PM EDT FRI AUG 7 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
 
 
   
REST OF TONIGHT
 
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS LATE THIS EVENING.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS IN THE  
AFTERNOON. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ530-080800-  
CHESAPEAKE BAY NORTH OF POOLES ISLAND-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS. PATCHY FOG WITH VSBY 1 TO 3 NM.    
SAT
 
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
SUN NIGHT
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED
 
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS  
THROUGH THE NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ531-080800-  
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE  
OF SHOWERS AND TSTMS.    
SAT
 
SW WINDS 10 TO 15 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.    
SUN NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH THE  
NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ538-080800-  
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE OF  
TSTMS LATE THIS EVENING. A SLIGHT CHANCE OF SHOWERS.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SUN
 
W WINDS 5 KT. WAVES FLAT.    
SUN NIGHT
 
SW WINDS AROUND 5 KT. WAVES FLAT.    
MON
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
W WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS  
AND TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS THROUGH  
THE NIGHT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ539-080800-  
CHESTER RIVER TO QUEENSTOWN MD-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT  
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.    
SUN NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ532-080800-  
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE  
OF TSTMS LATE THIS EVENING. A SLIGHT CHANCE OF SHOWERS.    
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.    
SUN NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH THE  
NIGHT. A CHANCE OF SHOWERS.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ540-080800-  
EASTERN BAY-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT 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.    
SUN NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.    
MON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS  
THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND  
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ533-080800-  
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON
 
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ541-080800-  
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
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.    
SUN NIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.    
WED
 
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ542-080800-  
PATUXENT RIVER TO BROOMES ISLAND MD-  
1058 PM EDT FRI AUG 7 2026  
   
REST OF TONIGHT
 
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT  
CHANCE OF SHOWERS AND TSTMS.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
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.    
SUN NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
MON
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.    
WED
 
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ534-080800-  
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-  
1058 PM EDT FRI AUG 7 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
 
 
   
REST OF TONIGHT
 
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
SLIGHT CHANCE OF SHOWERS AND TSTMS LATE THIS EVENING.    
SAT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A  
CHANCE OF SHOWERS.    
SUN
 
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.  
 

 
 
ANZ543-080800-  
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-  
1058 PM EDT FRI AUG 7 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SATURDAY
 
 
   
REST OF TONIGHT
 
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A  
SLIGHT CHANCE OF SHOWERS AND TSTMS.    
SAT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.    
SUN
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH  
THE NIGHT.    
WED
 
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.  
 
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